CN214841173U - Hydraulic module of double-four-way valve multi-connected unit - Google Patents
Hydraulic module of double-four-way valve multi-connected unit Download PDFInfo
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- CN214841173U CN214841173U CN202120521584.2U CN202120521584U CN214841173U CN 214841173 U CN214841173 U CN 214841173U CN 202120521584 U CN202120521584 U CN 202120521584U CN 214841173 U CN214841173 U CN 214841173U
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Abstract
The utility model discloses a hydraulic module of many online units of two cross valves, including off-premises station and at least a set of hydraulic module, the off-premises station passes through liquid pipe, high-low pressure trachea and high-pressurepipe and is connected with every group hydraulic module, every group hydraulic module includes hydraulic heat exchanger and liquid storage pot, first business turn over pipe and second business turn over pipe have been drawn forth to the liquid storage pot, the inner connector of first business turn over pipe and second business turn over pipe all is located liquid storage pot inner chamber bottom position, wherein, the outer connector of first business turn over pipe links to each other with the liquid pipe, the outer connector of second business turn over pipe is connected with hydraulic heat exchanger's refrigerant flow path one end, hydraulic heat exchanger's refrigerant flow path other end all links to each other with high-low pressure trachea and high-pressurepipe.
Description
Technical Field
The utility model belongs to the technical field of the technique of many online air conditioning systems and specifically relates to indicate the hydraulic module of many online of two cross valves.
Background
In the system of the multiple online units and the hydraulic module, when a heat recovery mode is operated, the hydraulic module heats water, an indoor unit of an air conditioner performs refrigeration, at the moment, an outdoor unit heat exchanger serves as a condenser, the hydraulic module also serves as a condenser, the hot water of the hydraulic module is domestic hot water, when the temperature of the hot water is very high, a refrigerant is not sufficiently condensed in the hydraulic module, the refrigerant coming out of the hydraulic module is in a gas-liquid two-phase state, the refrigerant of the outdoor unit can be sufficiently condensed and is in a liquid state, the two refrigerants are still in the gas-liquid two-phase state after being mixed and enter the indoor unit of the air conditioner for evaporation refrigeration, at the moment, the gas-liquid two-phase refrigerant enters the indoor unit for evaporation, the pipeline resistance is increased, the refrigerant bias flow between the multiple online indoor units is easily caused, and the throttling noise of the refrigerant of the multiple online indoor units is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a hydraulic module of two cross valves multi-connected machine.
In order to realize foretell purpose, the utility model provides a pair of cross valve multi-connected machine's water conservancy module, including off-premises station and at least a set of water conservancy module, the off-premises station passes through liquid pipe, high-low pressure trachea and high-pressurepipe and is connected with every group water conservancy module, every group the water conservancy module includes water conservancy heat exchanger and liquid storage pot, first business turn over pipe and second business turn over pipe have been drawn forth to the liquid storage pot, the inner connector of first business turn over pipe and second business turn over pipe all is located liquid storage pot inner chamber bottom position, wherein, the outer connector of first business turn over pipe links to each other with the liquid pipe, the outer connector of second business turn over pipe is connected with water conservancy heat exchanger's refrigerant flow path one end, water conservancy heat exchanger's refrigerant flow path other end all links to each other with high-low pressure trachea and high-pressurepipe.
And furthermore, each group of hydraulic modules further comprises a hydraulic expansion valve arranged between the hydraulic heat exchanger and the liquid storage tank, and the external interface of the second inlet and outlet pipe is connected with one end of a refrigerant flow path of the hydraulic heat exchanger through the hydraulic expansion valve.
Further, the outdoor unit comprises a compressor, a first four-way valve, a second four-way valve and an outdoor heat exchanger, wherein the output end of the compressor is respectively connected with a D interface of the first four-way valve and a D interface of the second four-way valve; the other end of the outdoor heat exchanger is connected with a liquid pipe; the E interface of the second four-way valve is connected with the high-low pressure air pipe; the high-pressure air pipe is connected to the output end of the compressor in a bypass mode.
Further, the gas-liquid separator is arranged at the input end of the compressor.
Further, an oil separator is provided at the output of the compressor.
Further, the throttling unit is a capillary tube.
Furthermore, an expansion valve of the outdoor electronic machine is arranged at one end of the liquid pipe close to the outdoor heat exchanger.
Further, the system comprises two compressors which are arranged in parallel.
The utility model adopts the above technical scheme, its beneficial effect lies in: the two-phase refrigerant is separated by the liquid storage tank, so that the two-phase refrigerant is separated into liquid refrigerants when the hydraulic module operates for heating water or refrigerating water, the refrigerants cannot bias and throttle noise, and the stability of the system is effectively improved.
Drawings
Fig. 1 is a schematic diagram illustrating a connection configuration of a multi-split system.
The system comprises an outdoor unit 100, a hydraulic module 200, a compressor 1, a first four-way valve 2, a second four-way valve 3, an outdoor heat exchanger 4, an oil separator 5, a gas-liquid separator 6, a liquid pipe 7, a high-pressure gas pipe 8, a low-pressure gas pipe 9, an outdoor electronic expansion valve 10, a hydraulic heat exchanger 21, a liquid storage tank 22 and a hydraulic expansion valve 23.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, in the present embodiment, a hydraulic module of a dual four-way valve multi-split air conditioner includes an outdoor unit 100 and at least one set of hydraulic modules 200, wherein for convenience of explanation, the present embodiment is defined to include two sets of hydraulic modules 200 arranged in parallel.
In the present embodiment, the outdoor unit 100 includes a compressor 1, a first four-way valve 2, a second four-way valve 3, an outdoor heat exchanger 4, an oil separator 5, and a gas-liquid separator 6, wherein each of the first four-way valve 2 and the second four-way valve 3 includes C, D, E, S four ports. The output end of the compressor 1 is respectively connected with a D interface of the first four-way valve 2 and a D interface of the second four-way valve 3 through an oil separator 5, the input end of the compressor 1 is connected with an S interface of the first four-way valve 2 and an S interface of the second four-way valve 3 through a gas-liquid separator 6, a C interface of the first four-way valve 2 is connected with one end of an outdoor heat exchanger 4, an E interface of the first four-way valve 2 is connected with the S interface of the second four-way valve 3 through a throttling unit, and a C interface of the second four-way valve 3 is connected with the S interface of the first four-way valve 2 through a throttling unit.
Further, in order to ensure that the compressors 1 have sufficient output power in the multi-split air conditioner, at least two compressors 1 may be provided in parallel, so that the compressors 1 are started as required.
In this embodiment, the outdoor unit 100 is connected to each group of hydraulic modules 200 through a liquid pipe 7, a high-low pressure air pipe 8 and a high-pressure air pipe 9, and specifically, each group of hydraulic modules 200 in this embodiment includes a hydraulic heat exchanger 21, a liquid storage tank 22 and a hydraulic expansion valve 23, where a first inlet and a second inlet are led out from the liquid storage tank 22, two ends of the liquid pipe 7 are respectively connected to the outdoor heat exchanger 4 and an external port of the first inlet and outlet pipe, an external port of the second inlet and outlet pipe is connected to one end of a refrigerant flow path of the hydraulic heat exchanger 21, and an external port of the second inlet and outlet pipe is connected to one end of the refrigerant flow path of the hydraulic heat exchanger 21 through the hydraulic expansion valve 23. The other end of the refrigerant flow of the hydraulic heat exchanger 21 is connected with one end of the high-low pressure air pipe 8 and one end of the high-pressure air pipe 9, the other end of the high-low pressure air pipe 8 is connected with an E interface of the second four-way valve 3, and the other end of the high-pressure air pipe 9 is connected with the output end of the compressor 1 in a bypass mode.
Further, an expansion valve 10 of the outdoor electronic machine is arranged at one end of the liquid pipe 7 adjacent to the outdoor heat exchanger 4.
Further, the inner connectors of the first inlet pipe and the second inlet pipe of the embodiment are located at the bottom of the inner cavity of the liquid storage tank 22, so that the refrigerant (two phases) can be layered when entering the liquid storage tank 22, the liquid refrigerant is at the lower part, and the gaseous refrigerant is at the upper part, so that when the hydraulic module 200 produces hot water, the high-temperature and high-pressure gaseous refrigerant is condensed by the hydraulic heat exchanger 21 and then enters the liquid storage tank 22 through the electronic expansion valve, at this time, the gas-liquid two-phase refrigerant entering the liquid storage tank 22 is separated in the liquid storage tank 22, and finally, only the liquid refrigerant can enter the liquid inlet pipe 7 from the liquid storage tank 22 through the second inlet pipe, so that the pipeline resistance is reduced, the refrigerant is ensured not to be deflected, and the refrigerant throttling noise is not caused.
Secondly, when the hydraulic module 200 is used for refrigerating water, the gas-liquid two-phase refrigerant conveyed by the liquid pipe 7 is separated in the liquid storage tank 22, and finally only the liquid refrigerant can enter the hydraulic heat exchanger 21 from the liquid storage tank 22 through the first inlet and outlet pipe, so that the refrigerant throttling noise of the hydraulic module 200 is avoided, and the effective throttling state of the hydraulic expansion valve 23 is ensured.
For ease of understanding, the following description is further explained in connection with the hydraulic module 200 operating in either a hot water operation or a chilled water operation.
In the present embodiment, the hydro module 200 operates with heating water: at the moment, the first four-way valve 2 is electrified, the second four-way valve 3 is powered off, the outdoor heat exchanger 4 serves as an evaporator, the hydraulic heat exchanger 21 serves as a condenser, a high-temperature and high-pressure refrigerant discharged by the compressor 1 enters the hydraulic heat exchanger 21 through the high-pressure air pipe 9 to be condensed and release heat, the refrigerant after heat release enters the liquid storage tank 22 to be subjected to two-phase separation after being throttled by the hydraulic expansion valve 23, so that a liquid refrigerant is sent out of the liquid storage tank 22 to the liquid pipe 7 and enters the outdoor heat exchanger 4 through the liquid pipe 7 to be evaporated, then flows back to the compressor 1 through the first four-way valve 2 and the gas-liquid separator 6, and the circulating flow path is repeated, so that hot water production operation of the hydraulic module 200 is realized.
In this embodiment, the hydro module 200 operates with chilled water: at this time, the first four-way valve 2 and the second four-way valve 3 are powered off, the outdoor heat exchanger 4 serves as a condenser, and the hydraulic heat exchanger 21 serves as an evaporator. At this time, the high-temperature and high-pressure refrigerant discharged from the compressor 1 enters the outdoor heat exchanger 4 through the oil separator 5 and the first four-way valve 2 to be condensed, and then enters the liquid storage tank 22 through the liquid pipe 7 to be subjected to two-phase separation, so that the separated liquid refrigerant enters the hydraulic heat exchanger 21 to be evaporated and absorb heat after being throttled by the hydraulic expansion valve 23, and then the refrigerant after absorbing heat flows back to the compressor 1 through the high-low pressure gas pipe 8, the second four-way valve 3 and the gas-liquid separator 6, and the refrigerating water operation of the hydraulic module 200 is realized.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (8)
1. The utility model provides a hydraulic module of two cross valve multiplex online, includes off-premises station (100) and at least a set of hydraulic module (200), off-premises station (100) is connected with every hydraulic module (200) through liquid pipe (7), high-low trachea (8) and high-pressurepipe (9), its characterized in that: each group of hydraulic module (200) comprises a hydraulic heat exchanger (21) and a liquid storage tank (22), a first inlet and outlet pipe and a second inlet and outlet pipe are led out of the liquid storage tank (22), inner connectors of the first inlet and outlet pipe and the second inlet and outlet pipe are located at the bottom of an inner cavity of the liquid storage tank (22), wherein an outer connector of the first inlet and outlet pipe is connected with a liquid pipe (7), an outer connector of the second inlet and outlet pipe is connected with one end of a refrigerant flow path of the hydraulic heat exchanger (21), and the other end of the refrigerant flow path of the hydraulic heat exchanger (21) is connected with a high-low pressure air pipe (8) and a high-pressure air pipe (9).
2. The hydraulic module of the double four-way valve multi-split air conditioner according to claim 1, wherein: each group of hydraulic modules (200) further comprises a hydraulic expansion valve (23) arranged between the hydraulic heat exchanger (21) and the liquid storage tank (22), and an external interface of the second inlet and outlet pipe is connected with one end of a refrigerant flow path of the hydraulic heat exchanger (21) through the hydraulic expansion valve (23).
3. The hydraulic module of the double four-way valve multi-split air conditioner according to claim 1, wherein: the outdoor unit (100) comprises a compressor (1), a first four-way valve (2), a second four-way valve (3) and an outdoor heat exchanger (4), wherein the output end of the compressor (1) is respectively connected with a D interface of the first four-way valve (2) and a D interface of the second four-way valve (3), the input end of the compressor (1) is connected with an S interface of the first four-way valve (2) and an S interface of the second four-way valve (3) through a gas-liquid separator (6), a C interface of the first four-way valve (2) is connected with one end of the outdoor heat exchanger (4), an E interface of the first four-way valve (2) is connected with the S interface of the second four-way valve (3) through a throttling unit, and a C interface of the second four-way valve (3) is connected with the S interface of the first four-way valve (2) through a throttling unit; the other end of the outdoor heat exchanger (4) is connected with a liquid pipe (7); the E interface of the second four-way valve (3) is connected with a high-low pressure air pipe (8); the high-pressure air pipe (9) is connected to the output end of the compressor (1) in a bypass mode.
4. The hydraulic module of the double four-way valve multi-split air conditioner according to claim 1, wherein: also comprises a gas-liquid separator (6) arranged at the input end of the compressor (1).
5. The hydraulic module of the double four-way valve multi-split air conditioner according to claim 1, wherein: also comprises an oil separator (5) arranged at the output end of the compressor (1).
6. The hydraulic module of the double four-way valve multi-connected unit according to claim 3, wherein: the throttling unit is a capillary tube.
7. The hydraulic module of the double four-way valve multi-connected unit according to claim 3, wherein: and an expansion valve (10) of an outdoor electronic machine is arranged at one end of the liquid pipe (7) close to the outdoor heat exchanger (4).
8. The hydraulic module of the double four-way valve multi-connected unit according to claim 3, wherein: comprises two compressors (1) which are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120521584.2U CN214841173U (en) | 2021-03-12 | 2021-03-12 | Hydraulic module of double-four-way valve multi-connected unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120521584.2U CN214841173U (en) | 2021-03-12 | 2021-03-12 | Hydraulic module of double-four-way valve multi-connected unit |
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| CN214841173U true CN214841173U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120521584.2U Active CN214841173U (en) | 2021-03-12 | 2021-03-12 | Hydraulic module of double-four-way valve multi-connected unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023206453A1 (en) * | 2022-04-29 | 2023-11-02 | 浙江雪波蓝科技有限公司 | Hydraulic module, and refrigeration system and thermal system comprising same |
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2021
- 2021-03-12 CN CN202120521584.2U patent/CN214841173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023206453A1 (en) * | 2022-04-29 | 2023-11-02 | 浙江雪波蓝科技有限公司 | Hydraulic module, and refrigeration system and thermal system comprising same |
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