CN211041141U - Rotatable stop valve and air conditioning system - Google Patents
Rotatable stop valve and air conditioning system Download PDFInfo
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- CN211041141U CN211041141U CN201922074376.8U CN201922074376U CN211041141U CN 211041141 U CN211041141 U CN 211041141U CN 201922074376 U CN201922074376 U CN 201922074376U CN 211041141 U CN211041141 U CN 211041141U
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Abstract
The utility model discloses a rotatable stop valve and air conditioning system, the stop valve includes: the valve body is used for communicating the pipeline; the pipeline switching device is rotatably arranged on the valve body and is rotated to switch the stop valve to be switched on or switched off. The utility model discloses a stop valve switches on or closes through rotating pipeline auto-change over device in order to switch the stop valve, through setting up two stop valves in the system to set up the indoor set respectively in the middle of two stop valves, thereby can cancel the liquid storage pot, reduce cost realizes that the low refrigerant fills.
Description
Technical Field
The utility model relates to an air conditioning technology field, concretely relates to rotatable stop valve and air conditioning system.
Background
With the increasing influence of greenhouse effect on the environment and the increasing bad climate, the demand of mass consumers on refrigeration air conditioners is increasing, and the multi-connected air conditioner in the market occupies the half-wall river mountain of the air conditioner market at present. The existing multi-split air conditioner outdoor units are provided with liquid storage tanks for controlling the amount of refrigerants in the whole system, when the number of running indoor units is large, the liquid storage tanks obtain information to release the stored refrigerants, when the number of running indoor units is small, the liquid storage tanks obtain information to start storing the refrigerants in the system, but the addition of the liquid storage tanks in pipelines can increase the system cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a rotatable stop valve and air conditioning system has solved prior art and has increased the problem that the liquid storage pot can increase system's cost.
According to an aspect of the utility model, a stop valve is disclosed, include: the valve body is used for communicating the pipeline; the pipeline switching device is rotatably arranged on the valve body and is rotated to switch the stop valve to be switched on or switched off.
Further, the valve body is provided with a first port and a second port which are communicated with each other; the pipeline switching device is rotatably arranged at the second interface position of the valve body, a third interface is arranged on the pipeline switching device, and the pipeline switching device is provided with a first working position and a second working position; in a first working position, the third interface is communicated with the second interface, and the stop valve is communicated; and in a second working position, the third interface and the second interface are staggered and disconnected, and the stop valve is closed.
Furthermore, the number of the second interfaces is multiple, the number of the third interfaces is multiple, and in the first working position, part of the third interfaces are communicated with part of the second interfaces.
Furthermore, a fourth interface is further arranged on the pipeline switching device, and the pipeline switching device is further provided with a third working position; in the third working position, the fourth interface is communicated with the second interface, meanwhile, the third interface and the second interface are staggered and disconnected, and the stop valve is connected.
Further, in the second working position, the third interface and the fourth interface are simultaneously dislocated and disconnected with the second interface, and the stop valve is closed.
Further, the stop valve further comprises: and the stepping motor is in driving connection with the pipeline switching device.
Further, the pipeline switching device is manually controlled.
According to the utility model discloses a second aspect still discloses an air conditioning system, including foretell stop valve.
Further, the refrigerant compression cycle is also included, and the refrigerant compression cycle includes: the outdoor unit, the indoor unit, the first stop valve and the second stop valve, the indoor unit is arranged between the first stop valve and the second stop valve.
Furthermore, the indoor unit set comprises a plurality of indoor units, and the indoor units are arranged in parallel.
Further, the refrigerant compression cycle is also included, and the refrigerant compression cycle includes: the indoor unit comprises an outdoor unit, a first indoor unit, a second indoor unit, a first stop valve and a second stop valve, wherein the first indoor unit is arranged between the first stop valve and the second stop valve, and the second indoor unit is positioned between the first stop valve and the second stop valve; the first shut-off valve includes: the first valve body is provided with a first refrigerant port and a second refrigerant port which are communicated with each other, and the first refrigerant port is communicated with a first end of the outdoor unit; the first pipeline switching device is rotatably arranged at the position of a second refrigerant port of the first valve body, a third refrigerant port and a fourth refrigerant port are arranged on the first pipeline switching device, the third refrigerant port is communicated with the first end of the first indoor unit, and the fourth refrigerant port is communicated with the first end of the second indoor unit; the second stop valve includes: the second valve body is provided with a fifth refrigerant port and a sixth refrigerant port which are communicated with each other, and the fifth refrigerant port is communicated with the second end of the outdoor unit; the second pipeline switching device is rotatably arranged at the position of a sixth refrigerant port of the second valve body, a seventh refrigerant port and an eighth refrigerant port are arranged on the second pipeline switching device, the seventh refrigerant port is communicated with the second end of the first indoor unit, and the eighth refrigerant port is communicated with the second end of the second indoor unit.
Furthermore, the air conditioning system is provided with a first indoor unit conduction state, a refrigerant recovery state and a second indoor unit conduction state; in the on state of the first indoor unit, the second refrigerant port is communicated with the third refrigerant port, and the second refrigerant port and the fourth refrigerant port are staggered and disconnected simultaneously; in the refrigerant recovery state, the second refrigerant port is simultaneously staggered and disconnected with the third refrigerant port and the fourth refrigerant port; in the on state of the second indoor unit, the sixth refrigerant port is communicated with the seventh refrigerant port, and the second refrigerant port and the eighth refrigerant port are staggered and disconnected.
According to a third aspect of the present invention, there is also disclosed a control method for controlling the above-mentioned air conditioning system, comprising the steps of: step S10: switching the air conditioning system to a refrigerant recovery mode, starting a compressor, and closing a first stop valve; step S20: judging whether the refrigerant in the system is recycled into the outdoor unit or not; step S30: and when the judging structure is yes, closing the second stop valve and the compressor.
The utility model discloses a stop valve switches on or closes through rotating pipeline auto-change over device in order to switch the stop valve, during the use, install the both ends of indoor set respectively with the stop valve, when the indoor set obtains the start order, the stop valve is whole to get into the on-state, the unit normally refrigerates, when the unit shuts down, the unit gets into the recovery refrigerant state, the stop valve of indoor set one end is closed earlier, form one and break circuit, the unit compressor continuation operation this moment, force the refrigerant in the system to retrieve in the off-premises station, close the stop valve of indoor set opposite side after retrieving again, all refrigerants can all be stored in the off-premises station this moment, thereby through setting up two stop valves, and set up the indoor set respectively in the middle of two stop valves, thereby can cancel the liquid storage.
Drawings
FIG. 1 is a schematic structural diagram of a stop valve according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air conditioning system according to an embodiment of the present invention;
fig. 3 is an assembly view of a stepper motor according to an embodiment of the present invention;
legend: 10. a valve body; 11. a first interface; 12. a second interface; 20. a pipeline switching device; 21. a third interface; 22. a fourth interface; 30. an outdoor unit; 40. a first indoor unit; 50. a second indoor unit; 60. a first shut-off valve; 61. a first valve body; 611. a first refrigerant port; 612. a second refrigerant port; 62. a first pipeline switching device; 621. a third refrigerant port; 622. a fourth refrigerant port; 70. a second stop valve; 71. a second valve body; 711. a fifth refrigerant port; 712. a sixth refrigerant port; 72. a second pipeline switching device; 721. a seventh refrigerant port; 722. an eighth refrigerant port; 80. a stepper motor.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
The existing multi-split air conditioner outdoor units are provided with liquid storage tanks for controlling the amount of refrigerants in the whole system, when the number of running indoor units is large, the liquid storage tanks obtain information to release the stored refrigerants, and when the number of running indoor units is small, the liquid storage tanks obtain information to start storing the refrigerants in the system. At present, small rooms, such as one-room-one-room type, become mainstream house types in large cities, single users generally cannot simultaneously start air conditioners in living rooms and bedrooms, and users can select to install two sets of air conditioners or use multi-split air conditioners, so that the cost is high.
As shown in fig. 1, according to the first aspect of the present invention, the present invention discloses a stop valve, including: the valve comprises a valve body 10 and a pipeline switching device 20, wherein the valve body 10 is used for communicating pipelines; the pipeline switching device 20 is rotatably arranged on the valve body 10, and the pipeline switching device 20 is rotated to switch the on or off of the stop valve.
It should be noted that, the utility model discloses pipeline auto-change over device 20 of stop valve switches on or closes through rotating pipeline auto-change over device 20 in order to switch over the stop valve, in use, install the both ends of indoor set respectively with the stop valve, when the indoor set obtains the start order, the whole on-state that get into of stop valve, the unit normally refrigerates, when the unit shuts down, the unit gets into the recovery refrigerant state, the stop valve of indoor set one end is closed earlier, form one and break circuit, the unit compressor continues to operate this moment, force the refrigerant in the system to retrieve in the outdoor set, close the stop valve of indoor set opposite side after the recovery is finished, all refrigerants this moment all can be stored in the outdoor set, thereby through setting up two stop valves, and set up the indoor set respectively in the middle of two stop valves, can cancel the.
In the above embodiment, the valve body 10 has the first port 11 and the second port 12 communicating with each other; the pipeline switching device 20 is rotatably arranged at the position of the second port 12 of the valve body 10, a third port 21 is arranged on the pipeline switching device 20, and the pipeline switching device 20 has a first working position and a second working position; in the first working position, the third interface 21 is communicated with the second interface 12, and the stop valve is communicated; in the second operating position, the third port 21 is offset from the second port 12 and disconnected, the shut-off valve is closed, and the line switching device 20 is switched between the first operating position and the second operating position by rotation.
The pipeline switching device 20 of the stop valve of the utility model controls the on and off of the stop valve by switching between the first working position and the second working position through rotation, when in use, the stop valve is respectively arranged at the two ends of the indoor unit, when the indoor unit receives a starting command, the stop valves are all in a conducting state, the unit normally performs refrigeration, when the unit is shut down, the unit enters a state of recovering the refrigerant, a stop valve at one end of the indoor unit is closed first to form an open circuit, a compressor of the unit continues to operate at the moment, the refrigerant in the system is forcibly recovered into the outdoor unit, after the recovery is finished, the stop valve at the other side of the indoor unit is closed, all the refrigerants are stored in the outdoor unit, therefore, by arranging the two stop valves and respectively arranging the indoor unit between the two stop valves, a liquid storage tank can be omitted, the cost is reduced, and low refrigerant filling is realized.
In the above embodiment, there are a plurality of second ports 12 and a plurality of third ports 21, and in the first operating position, a part of the third ports 21 communicates with a part of the second ports 12. The utility model discloses a stop valve can realize "one drags many" through setting up a plurality of second interfaces 12 and third interface 21, a plurality of indoor units of outdoor unit cooperation use promptly to save installation cost, and third interface 21 can be whole intercommunication with second interface 12 intercommunication, also can be 1/4 intercommunication, 1/2 connection or 3/4 intercommunication of interface area, and part third interface 21 and part second interface 12 intercommunication mean, in a plurality of third interfaces 21, one or two communicate with second interface 12.
In the above embodiment, the pipeline switching device 20 is further provided with a fourth interface 22, and the pipeline switching device 20 further has a third working position; in the third working position, the fourth port 22 is communicated with the second port 12, and simultaneously, the third port 21 and the second port 12 are dislocated and disconnected, and the stop valve is communicated. The utility model discloses the stop valve makes the stop valve can connect two interior machines respectively through third interface 21 and fourth interface 22 through setting up third interface 21 and fourth interface 22 on pipeline auto-change over device 20, rotates through pipeline auto-change over device 20 and can control two interior machines and switch on respectively to realize the function that one drags two, avoid setting up the liquid storage pot again, reduce air conditioner manufacturing cost.
In the above embodiment, in the second working position, the third port 21 and the fourth port 22 are simultaneously misaligned and disconnected from the second port 12, and the shutoff valve is closed. The utility model discloses the stop valve can be with third interface 21 and fourth interface 22 disconnection with second interface 12 simultaneously to make the refrigerant retrieve to the off-premises station in, avoid setting up the liquid storage pot again, reduce air conditioner manufacturing cost.
As shown in fig. 3, in the above embodiment, the stop valve further includes: and the stepping motor 80 is in driving connection with the pipeline switching device 20, and the stepping motor 80 is in driving connection with the pipeline switching device 20. The utility model discloses the stop valve makes step motor 80 drive pipeline auto-change over device 20 rotate through setting up step motor 80 to switching on or closing of control stop valve has replaced manual operation, can improve the efficiency and the convenience degree of mediation.
In another embodiment, not shown, the line switching device 20 is manually controlled, which ensures reliability.
As shown in fig. 2, according to the second aspect of the present invention, an air conditioning system is also disclosed, which includes the above-mentioned stop valve.
In the above embodiment, the refrigerant compression cycle further includes: the outdoor unit 30, the indoor unit, the first stop valve 60 and the second stop valve 70, the indoor unit is installed between the first stop valve 60 and the second stop valve 70.
In the above embodiment, the indoor unit group includes a plurality of indoor units, and the plurality of indoor units are arranged in parallel.
As shown in fig. 2, the air conditioning system further includes a refrigerant compression cycle, and the refrigerant compression cycle includes: the outdoor unit 30, the first indoor unit 40, the second indoor unit 50, the first stop valve 60 and the second stop valve 70, wherein the first indoor unit 40 is arranged between the first stop valve 60 and the second stop valve 70, and the second indoor unit 50 is arranged between the first stop valve 60 and the second stop valve 70; the first cut-off valve 60 includes: a first valve body 61 and a first pipeline switching device 62, wherein the first valve body 61 is provided with a first refrigerant port 611 and a second refrigerant port 612 which are communicated with each other, and the first refrigerant port 611 is communicated with a first end of the outdoor unit; the first pipeline switching device 62 is rotatably disposed at the second refrigerant port 612 of the first valve body 61, a third refrigerant port 621 and a fourth refrigerant port 622 are disposed on the first pipeline switching device 62, the third refrigerant port 621 is communicated with the first end of the first indoor unit 40, and the fourth refrigerant port 622 is communicated with the first end of the second indoor unit 50; the second stop valve 70 includes: a second valve body 71 and a second pipeline switching device 72, wherein the second valve body 71 is provided with a fifth refrigerant port 711 and a sixth refrigerant port 712 which are communicated with each other, and the fifth refrigerant port 711 is communicated with a second end of the outdoor unit; the second pipe switching device 72 is rotatably disposed at the sixth refrigerant port 712 of the second valve body 71, the second pipe switching device 72 is provided with a seventh refrigerant port 721 and an eighth refrigerant port 722, the seventh refrigerant port 721 communicates with the second end of the first indoor unit 40, and the eighth refrigerant port 722 communicates with the second end of the second indoor unit 50.
In the above embodiment, the air conditioning system has the first indoor unit 40 on state, the refrigerant recovery state, and the second indoor unit 50 on state; in the on state of the first indoor unit 40, the second refrigerant port 612 is communicated with the third refrigerant port 621, and the second refrigerant port 612 is simultaneously staggered and disconnected from the fourth refrigerant port 622; in the refrigerant recovery state, the second refrigerant port 612 and the third refrigerant port 621 are staggered and disconnected with the fourth refrigerant port 622 at the same time; in the on state of the second indoor unit 50, the sixth refrigerant port 712 communicates with the seventh refrigerant port 721, and the second refrigerant port 612 is offset from and disconnected from the eighth refrigerant port 722.
The utility model discloses an air conditioning system, at the during operation, when first indoor set 40 obtains the start order, the stop valve gets into first indoor set 40 on-state, the unit normally refrigerates, when the unit shuts down, the unit gets into and retrieves the refrigerant state, retrieve the refrigerant and shut down, first stop valve 60 closes, form one and open circuit, the unit compressor continues the operation this moment, in the refrigerant forced recovery off-premises station in the system, close second stop valve 70 after retrieving the end, all refrigerants this moment all can be stored in the off-premises station. If the user requests to open the second indoor unit 50 while the first indoor unit 40 is running, the stop valve is commanded to enter the refrigerant recovery state to recover the refrigerant to the outdoor unit, and then enter the second indoor unit conduction state to normally cool the second indoor unit 50.
The utility model discloses an air conditioning system is through setting up two stop valves to set up two indoor sets respectively in the middle of two stop valves, thereby can cancel the liquid storage pot, reduce cost realizes that the low refrigerant fills.
According to the utility model discloses a third aspect still discloses a control method for controlling air conditioning system, includes following step:
step S10: switching the air conditioning system to a refrigerant recovery mode, starting the compressor, and closing the first stop valve 60;
step S20: judging whether to recycle the refrigerant in the system to the outdoor unit 30;
step S30: when the determination result is yes, the second stop valve 70 and the compressor are closed.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (12)
1. A shut-off valve, comprising:
the valve body (10) is used for communicating the pipeline;
the pipeline switching device (20) is rotatably arranged on the valve body (10), and the pipeline switching device (20) is rotated to switch the on or off of the stop valve.
2. The shut-off valve of claim 1,
the valve body (10) is provided with a first interface (11) and a second interface (12) which are communicated with each other;
the pipeline switching device (20) is rotatably arranged at the position of the second port (12) of the valve body (10), a third port (21) is arranged on the pipeline switching device (20), and the pipeline switching device (20) has a first working position and a second working position;
in the first working position, the third interface (21) is communicated with the second interface (12), and the stop valve is communicated;
in the second working position, the third interface (21) is misaligned with the second interface (12) and disconnected, and the stop valve is closed.
3. The shut-off valve of claim 2,
the number of the second interfaces (12) is multiple, the number of the third interfaces (21) is multiple, and in the first working position, part of the third interfaces (21) are communicated with part of the second interfaces (12).
4. The shut-off valve of claim 2,
the pipeline switching device (20) is also provided with a fourth interface (22), and the pipeline switching device (20) is also provided with a third working position;
in the third working position, the fourth interface (22) is communicated with the second interface (12), meanwhile, the third interface (21) and the second interface (12) are dislocated and disconnected, and the stop valve is communicated.
5. The shut-off valve of claim 4,
in the second working position, the third interface (21) and the fourth interface (22) are simultaneously dislocated with the second interface (12) and disconnected, and the stop valve is closed.
6. The shut-off valve of claim 2, further comprising:
the stepping motor (80), the stepping motor (80) with pipeline auto-change over device (20) drive connection.
7. The shut-off valve of claim 2,
the pipeline switching device (20) is manually controlled.
8. An air conditioning system, characterized in that it comprises a shut-off valve according to any one of claims 1 to 7.
9. The air conditioning system of claim 8, further comprising a refrigerant compression cycle, the refrigerant compression cycle comprising: the air conditioner comprises an outdoor unit (30), an indoor unit, a first stop valve (60) and a second stop valve (70), wherein the indoor unit is arranged between the first stop valve (60) and the second stop valve (70).
10. The air conditioning system of claim 9,
the indoor unit set comprises a plurality of indoor units, and the indoor units are arranged in parallel.
11. The air conditioning system of claim 8, further comprising a refrigerant compression cycle, the refrigerant compression cycle comprising: the outdoor unit (30), a first indoor unit (40), a second indoor unit (50), a first stop valve (60) and a second stop valve (70), wherein the first indoor unit (40) is arranged between the first stop valve (60) and the second stop valve (70), and the second indoor unit (50) is arranged between the first stop valve (60) and the second stop valve (70);
the first shut-off valve (60) includes:
a first valve body (61), the first valve body (61) having a first refrigerant port (611) and a second refrigerant port (612) which are communicated with each other, the first refrigerant port (611) being communicated with a first end of the outdoor unit (30);
the first pipeline switching device (62) is rotatably arranged at the position of a second refrigerant port (612) of the first valve body (61), a third refrigerant port (621) and a fourth refrigerant port (622) are arranged on the first pipeline switching device (62), the third refrigerant port (621) is communicated with a first end of a first indoor unit (40), and the fourth refrigerant port (622) is communicated with a first end of a second indoor unit (50);
the second shut-off valve (70) comprises:
a second valve body (71), wherein the second valve body (71) is provided with a fifth refrigerant port (711) and a sixth refrigerant port (712) which are communicated with each other, and the fifth refrigerant port (711) is communicated with a second end of the outdoor unit (30);
the second pipeline switching device (72) is rotatably arranged at the position of a sixth refrigerant port (712) of the second valve body (71), a seventh refrigerant port (721) and an eighth refrigerant port (722) are arranged on the second pipeline switching device (72), the seventh refrigerant port (721) is communicated with the second end of the first indoor unit (40), and the eighth refrigerant port (722) is communicated with the second end of the second indoor unit (50).
12. The air conditioning system of claim 11,
the air conditioning system is provided with a first indoor unit (40) conduction state, a refrigerant recovery state and a second indoor unit (50) conduction state;
in the on state of the first indoor unit (40), the second refrigerant port (612) is communicated with the third refrigerant port (621), and the second refrigerant port (612) is staggered and disconnected with the fourth refrigerant port (622) at the same time;
in the refrigerant recovery state, the second refrigerant port (612) is simultaneously staggered and disconnected with the third refrigerant port (621) and the fourth refrigerant port (622);
in the on state of the second indoor unit (50), the sixth refrigerant port (712) and the seventh refrigerant port (721) are communicated with each other, and the second refrigerant port (612) and the eighth refrigerant port (722) are offset and disconnected from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074376.8U CN211041141U (en) | 2019-11-26 | 2019-11-26 | Rotatable stop valve and air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074376.8U CN211041141U (en) | 2019-11-26 | 2019-11-26 | Rotatable stop valve and air conditioning system |
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| CN211041141U true CN211041141U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922074376.8U Active CN211041141U (en) | 2019-11-26 | 2019-11-26 | Rotatable stop valve and air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805952A (en) * | 2019-11-26 | 2020-02-18 | 珠海格力电器股份有限公司 | Rotatable stop valve, air conditioning system and control method of air conditioning system |
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2019
- 2019-11-26 CN CN201922074376.8U patent/CN211041141U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805952A (en) * | 2019-11-26 | 2020-02-18 | 珠海格力电器股份有限公司 | Rotatable stop valve, air conditioning system and control method of air conditioning system |
| CN110805952B (en) * | 2019-11-26 | 2023-11-07 | 珠海格力电器股份有限公司 | Rotatable stop valve, air conditioning system and control method of air conditioning system |
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