CN211120149U - Multi-connected host and multi-connected system - Google Patents
Multi-connected host and multi-connected system Download PDFInfo
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- CN211120149U CN211120149U CN201921676406.6U CN201921676406U CN211120149U CN 211120149 U CN211120149 U CN 211120149U CN 201921676406 U CN201921676406 U CN 201921676406U CN 211120149 U CN211120149 U CN 211120149U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides a many online host computers and many online systems should many online host computers include: a main pipeline; a condenser disposed on the main pipeline; the plate heat exchanger is arranged on the main pipeline and is positioned at the downstream of the condenser, the plate heat exchanger comprises a first heat exchange pipeline and a second heat exchange pipeline, an inlet of the first heat exchange pipeline is communicated with the condenser, and an outlet of the first heat exchange pipeline is communicated with the refrigeration equipment; the auxiliary pipeline is provided with a first end and a second end which are arranged oppositely, the first end of the auxiliary pipeline is communicated with the outlet of the first heat exchange pipeline, and the inlet of the second heat exchange pipeline is communicated with the outlet of the first heat exchange pipeline through the auxiliary pipeline; and the electronic expansion valve is arranged on the auxiliary pipeline and is positioned between the outlet of the first heat exchange pipeline and the inlet of the second heat exchange pipeline. Through the technical scheme provided by the application, the problem that the installation space required by a multi-connected system in the prior art is large can be solved.
Description
Technical Field
The utility model relates to a many technical field of system that ally oneself with particularly, relate to a many host computers that ally oneself with and many system that ally oneself with.
Background
At present, in order to ensure that refrigeration equipment has enough refrigerating capacity, a multi-connected system needs a two-stage system assisted by a pump to exchange heat, and a compressor and a fluorine pump need to be used together. The cold energy generated by the compressor is transmitted to the refrigerant of the secondary system through the plate heat exchanger, and then the refrigerant is sent to the refrigeration equipment through the fluorine pump, so that the working cycle is completed.
However, in the prior art, the compressor and the fluorine pump are used together, so that the occupied area of the multi-connected system is large, and in order to match the use of the fluorine pump, the installation height of the plate heat exchanger has certain requirements, so that the occupied space of the multi-connected system is large. Therefore, the prior art has a problem that the installation space required for the multi-connected system is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a many online host computers and many online systems to solve the many online required problem of installation space of system among the prior art.
According to the utility model discloses an aspect provides a many host computers that ally oneself with more includes: a main pipeline; a condenser disposed on the main pipeline; the plate heat exchanger is arranged on the main pipeline and is positioned at the downstream of the condenser, the plate heat exchanger comprises a first heat exchange pipeline and a second heat exchange pipeline, an inlet of the first heat exchange pipeline is communicated with the condenser, and an outlet of the first heat exchange pipeline is communicated with the refrigeration equipment; the auxiliary pipeline is provided with a first end and a second end which are arranged oppositely, the first end of the auxiliary pipeline is communicated with the outlet of the first heat exchange pipeline, and the inlet of the second heat exchange pipeline is communicated with the outlet of the first heat exchange pipeline through the auxiliary pipeline; and the electronic expansion valve is arranged on the auxiliary pipeline and is positioned between the outlet of the first heat exchange pipeline and the inlet of the second heat exchange pipeline.
Further, the multi-connected main machine further comprises a compressor, the compressor is arranged on the main pipeline, the condenser is located at the downstream of the compressor, the second end of the auxiliary pipeline is communicated with the compressor, and the outlet of the second heat exchange pipeline is communicated with the compressor through the auxiliary pipeline.
Furthermore, a detection assembly is arranged on the auxiliary pipeline and used for detecting parameters of the refrigerant in the auxiliary pipeline.
Further, the detection assembly includes: the temperature sensor is arranged on the auxiliary pipeline and used for detecting the temperature of the refrigerant in the auxiliary pipeline; and the pressure sensor is arranged on the auxiliary pipeline and used for detecting the pressure of the refrigerant in the auxiliary pipeline.
Further, the multi-connected host also comprises: an inlet of the gas-liquid separator is communicated with an outlet of the second heat exchange pipeline, and a gaseous refrigerant outlet of the gas-liquid separator is communicated with an inlet of the compressor; and the oil separator is arranged on the main pipeline and positioned between the compressor and the condenser, and an inlet of the oil separator is communicated with an outlet of the compressor.
Further, the multi-connected host also comprises: the one-way valve is arranged on the main pipeline, is positioned between the compressor and the condenser and is used for controlling the flow direction of the refrigerant in the main pipeline; the liquid path electromagnetic valve is arranged on the main pipeline, is positioned between the condenser and the plate heat exchanger and is used for controlling the communication state of the main pipeline; and the drying filter is arranged on the main pipeline, is communicated with the outlet of the condenser and is used for drying and filtering the refrigerant.
Further, the multi-connected main machine further comprises a liquid sight lens, the liquid sight lens is arranged on the main pipeline and located at the downstream of the plate type heat exchanger, and the liquid sight lens is used for observing the working state of the refrigerant in the main pipeline.
Further, the multi-connected host further comprises a shell, the shell is provided with an installation cavity, components of the multi-connected host are arranged in the installation cavity, and the components are arranged in the height direction of the shell.
Further, components and parts include wave filter, automatically controlled box and converter, and the casing has relative front side and the rear side that sets up, and wave filter, automatically controlled box and converter all set up the front side at the casing.
According to the utility model discloses a on the other hand provides a many system that ally oneself with, many system that ally oneself with include the many host computers that the aforesaid provided that ally oneself with.
Use the technical scheme of the utility model, this many online host computers include main line, condenser, plate heat exchanger, auxiliary line and electronic expansion valve. Wherein, condenser and plate heat exchanger all set up on the main pipeline, and plate heat exchanger is located the low reaches of condenser. Specifically, the plate heat exchanger includes a first heat exchange line and a second heat exchange line, and the auxiliary line has a first end and a second end that are disposed opposite to each other. The inlet of the first heat exchange pipeline is communicated with the condenser, the outlet of the first heat exchange pipeline is communicated with the refrigeration equipment, and the refrigerant after heat exchange through the first heat exchange pipeline can be used for the refrigeration equipment.
The first end of the auxiliary pipeline is communicated with the outlet of the first heat exchange pipeline, the inlet of the second heat exchange pipeline is communicated with the outlet of the first heat exchange pipeline through the auxiliary pipeline, the electronic expansion valve is arranged on the auxiliary pipeline and is positioned between the outlet of the first heat exchange pipeline and the inlet of the second heat exchange pipeline, the electronic expansion valve can be utilized to throttle the refrigerant, the temperature of the refrigerant is reduced again, when the refrigerant cooled again flows through the second heat exchange pipeline, the refrigerant cooled again can be utilized to cool the refrigerant in the first heat exchange pipeline, and therefore the cold quantity of the device can be improved. By adopting the structure, the two-stage system assisted by the pump is cancelled, so that the floor area of the device can be reduced, the space occupied by the device can be reduced, and the installation space required by a multi-connected system can be reduced.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a multi-connected system provided according to an embodiment of the present invention;
fig. 2 is a perspective view illustrating a multi-connected host according to an embodiment of the present invention;
fig. 3 shows a front view of a multi-connected host provided according to an embodiment of the present invention;
fig. 4 shows a left side view of a multi-connected host provided according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a main pipeline; 20. a condenser; 30. a plate heat exchanger; 40. an auxiliary line; 50. an electronic expansion valve; 60. a compressor;
70. a detection component; 71. a temperature sensor; 72. a pressure sensor;
80. a gas-liquid separator; 90. an oil separator; 100. a one-way valve; 110. a liquid path solenoid valve; 120. drying the filter; 130. a liquid viewing mirror;
140. a housing; 150. a filter; 160. an electronic control box; 170. and a frequency converter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a multi-connected host, which includes a main pipeline 10, a condenser 20, a plate heat exchanger 30, an auxiliary pipeline 40, and an electronic expansion valve 50. Wherein, condenser 20 and plate heat exchanger 30 all set up on main line 10, and plate heat exchanger 30 is located the low reaches of condenser 20, and plate heat exchanger 30 can carry out the heat transfer to the refrigerant that flows out from condenser 20 to reduce the temperature of refrigerant. Specifically, the plate heat exchanger 30 includes a first heat exchange pipeline and a second heat exchange pipeline, an inlet of the first heat exchange pipeline is communicated with the condenser 20, an outlet of the first heat exchange pipeline is communicated with the refrigeration equipment, and a refrigerant after heat exchange by the plate heat exchanger 30 can be used by the refrigeration equipment. Specifically, the auxiliary pipeline 40 has a first end and a second end which are oppositely arranged, the first end of the auxiliary pipeline 40 is communicated with the outlet of the first heat exchange pipeline, the inlet of the second heat exchange pipeline is communicated with the outlet of the first heat exchange pipeline through the auxiliary pipeline 40, and the electronic expansion valve 50 is arranged on the auxiliary pipeline 40, so that the electronic expansion valve 50 is located between the outlet of the first heat exchange pipeline and the inlet of the second heat exchange pipeline, the electronic expansion valve 50 can be used for throttling the refrigerant flowing out of the first heat exchange pipeline to reduce the temperature of the refrigerant again, and the refrigerant in the first heat exchange pipeline can be cooled by the refrigerant with the temperature reduced again.
The multi-connected host provided by the embodiment is applied, the first end of the auxiliary pipeline 40 is communicated with the outlet of the first heat exchange pipeline, the inlet of the second heat exchange pipeline is communicated with the outlet of the first heat exchange pipeline through the auxiliary pipeline 40, the electronic expansion valve 50 is arranged on the auxiliary pipeline, the electronic expansion valve 50 is positioned between the outlet of the first heat exchange pipeline and the inlet of the second heat exchange pipeline, the electronic expansion valve 50 can be utilized to throttle the refrigerant, so as to reduce the temperature of the refrigerant again, when the refrigerant cooled again flows through the second heat exchange pipeline, the refrigerant cooled again can be utilized to cool the refrigerant in the first heat exchange pipeline, and therefore the cold quantity of the device can be improved. By adopting the structure, the two-stage system assisted by the pump is cancelled, so that the floor area of the device can be reduced, the space occupied by the device can be reduced, and the installation space required by a multi-connected system can be reduced. In addition, the pump-assisted secondary system is eliminated and can be replaced by a plate heat exchanger with a smaller size, so that the installation space required by the multi-connected system can be further reduced.
After the refrigerant flows out of the condenser 20 and enters the plate heat exchanger 30, the heat exchange process specifically includes:
(1) the first heat exchange pipeline carries out primary heat exchange on the refrigerant, and a part of the refrigerant after the primary heat exchange enters the refrigeration equipment through the main pipeline 10;
(2) the other part of the refrigerant after the first heat exchange enters the electronic expansion valve 50 through the auxiliary pipeline 40, and the refrigerant is throttled by the electronic expansion valve 50 to reduce the temperature again;
(3) the refrigerant with the temperature reduced again enters the second heat exchange line through the auxiliary line 40, and the refrigerant in the second heat exchange line can perform the second heat exchange on the refrigerant in the first heat exchange line, so as to further reduce the temperature of the refrigerant.
In this embodiment, the flow direction of the refrigerant in the second heat exchange pipeline is opposite to that of the refrigerant in the first heat exchange pipeline, so that the refrigerant in the second heat exchange pipeline can be ensured to exchange heat and reduce the temperature of the refrigerant in the first heat exchange pipeline to the maximum extent.
Wherein the multi-connected main machine further comprises a compressor 60, the compressor 60 is disposed on the main pipeline 10, and the condenser 20 is located downstream of the compressor 60. The second end of the auxiliary pipeline 40 is communicated with the compressor 60, the outlet of the second heat exchange pipeline is communicated with the compressor 60 through the auxiliary pipeline 40, the refrigerant which completes heat exchange with the first heat exchange pipeline in the second heat exchange pipeline can enter the compressor 60 through the auxiliary pipeline 40, the refrigerant is compressed into high-pressure high-temperature gaseous refrigerant again, the high-pressure high-temperature gaseous refrigerant enters the condenser 20 to be liquefied into liquid refrigerant with lower temperature than the just gaseous refrigerant, and the liquid refrigerant enters the plate heat exchanger 30 again to complete one cycle. By adopting the structure, the auxiliary pipeline 40 can be utilized to realize the circulation of the refrigerant, the heat exchange efficiency of the device can be improved, and the refrigerant loss of the device can be reduced.
In order to detect the auxiliary line 40, a detection assembly 70 is disposed on the auxiliary line 40, and the detection assembly 70 is used for detecting a parameter of the refrigerant in the auxiliary line 40. The detection module 70 may detect the auxiliary line 40 in real time, or may set a certain detection time to detect the auxiliary line 40. In this embodiment, in order to improve the detection accuracy, the detection component 70 may detect the auxiliary line 40 in real time.
Specifically, the detection assembly 70 includes a temperature sensor 71 and a pressure sensor 72, and the temperature sensor 71 and the pressure sensor 72 are disposed on the auxiliary line 40. The temperature sensor 71 is used for detecting the temperature of the refrigerant in the auxiliary line 40, and the pressure sensor 72 is used for detecting the pressure of the refrigerant in the auxiliary line 40. With the above configuration, it is possible to prevent the temperature of the refrigerant in the auxiliary line 40 from being excessively high or low, and to prevent the pressure of the refrigerant in the auxiliary line 40 from being excessively high or low. Wherein the detection assembly 70 further comprises a flow meter or other detection unit.
In the present embodiment, the multi-connected main unit further includes a gas-liquid separator 80 and an oil separator 90. The gas-liquid separator 80 can separate the liquid refrigerant from the gaseous refrigerant, and prevent the liquid refrigerant from entering the compressor 60. By communicating the inlet of the gas-liquid separator 80 with the outlet of the second heat exchange line and communicating the gaseous refrigerant outlet of the gas-liquid separator 80 with the inlet of the compressor 60, the separated gaseous refrigerant can be compressed again into a high-pressure high-temperature gaseous refrigerant by the compressor 60. Specifically, the oil separator 90 is disposed on the main line 10, the oil separator 90 is located between the compressor 60 and the condenser 20, the oil separator 90 is capable of separating compressor lubrication oil in the refrigerant, and an inlet of the oil separator 90 communicates with an outlet of the compressor 60.
The multi-connected host further comprises a check valve 100, a liquid path electromagnetic valve 110 and a dry filter 120, and the check valve 100, the liquid path electromagnetic valve 110 and the dry filter 120 are all arranged on the main line 10. The check valve 100 is used to control the flow direction of the refrigerant in the main line 10, the liquid line solenoid valve 110 is used to control the communication state of the main line 10, and the filter-drier 120 is used to dry and filter the refrigerant. Specifically, the liquid path solenoid valve 110 is located between the condenser 20 and the plate heat exchanger 30, and whether the refrigerant flowing out of the condenser 20 flows into the plate heat exchanger may be controlled by the liquid path solenoid valve 110. Specifically, the dry filter 120 communicates with the outlet of the condenser 20, so that the dried and filtered refrigerant can flow into the plate heat exchanger.
In order to facilitate observation of the refrigerant, the multi-connected main unit further comprises a liquid observation mirror 130, the liquid observation mirror 130 is arranged on the main pipeline 10, the liquid observation mirror 130 is located downstream of the plate heat exchanger 30, and the liquid observation mirror 130 is used for observing the working state of the refrigerant in the main pipeline 10.
In this embodiment, the multi-connected host further includes a housing 140, the housing 140 has an installation cavity, and the components of the multi-connected host are disposed in the installation cavity, so that the components in the multi-connected host can be protected by the housing 140. The components include a main pipeline 10, a condenser 20, a plate heat exchanger 30, an auxiliary pipeline 40, an electronic expansion valve 50, and the like. In this embodiment, all components of the multi-split master are disposed in the housing 140. And, components and parts are arranged along the direction of height of casing 140, so be convenient for assemble components and parts, can further reduce the required installation space of device. Wherein, the components and parts are arranged along the height direction of the casing 140 and include: the vertical stack arrangement of components, the vertical side by side arrangement of components and the vertical cross arrangement of components as long as the components are arranged along the height mode of casing 140 on the whole.
The external dimension of the multi-connected host is only 600x1100x1944 (width x depth x height) mm, which is the same as the inter-column server cabinet and the air conditioner, while the dimension of the common multi-connected system reaches the astonishing 1800x850x2000 (width x depth x height) mm. In addition, the multi-connected host has smaller size, so that a scheme of arranging the multi-connected host between the columns can be adopted, and the multi-connected host can have common installation and maintenance space as the inter-column equipment.
In this embodiment, the housing 140 has a front side and a rear side which are oppositely disposed, and most components are disposed on the front side of the housing 140, so that the components can be conveniently assembled and maintained. Specifically, more than 90% of components can be maintained from the front, the maintenance space is the same as that of a common air conditioner, and the scheme of a machine room air conditioner with high heat density arrangement is met.
Specifically, the components include a filter 150, an electronic control box 160, and a frequency converter 170, and the filter 150, the electronic control box 160, and the frequency converter 170 are all disposed on the front side of the housing 140. Wherein, the filter 150 can remove the harmonic wave in the circuit, the electric control box 160 mainly uses electric devices to provide the electric machine control, and the frequency converter 170 can control and drive the compressor to do work.
As shown in fig. 1, another embodiment of the present invention provides a multi-connected system, which includes the multi-connected host provided above, and can reduce the occupied area of the multi-connected system and the occupied space of the multi-connected system due to the elimination of the pump-assisted secondary system, thereby reducing the installation space required by the multi-connected system. The multi-connected host is arranged at the position of a dashed line frame at the left side in fig. 1, and a plurality of dashed line frames at the right side in fig. 1 are all refrigeration equipment.
The working process of the device is as follows:
(1) the refrigerant with higher relative temperature from the condenser 20 passes through the liquid path electromagnetic valve 110, enters the plate heat exchanger 30, and then directly enters the refrigeration equipment from the multi-connected host;
(2) one path of the refrigerant from the plate heat exchanger 30 enters the electronic expansion valve 50, and the temperature of the refrigerant is reduced again after the refrigerant is throttled by the electronic expansion valve 50;
(3) the refrigerant with the temperature reduced again enters the second heat exchange pipeline through the auxiliary pipeline 40, and the refrigerant in the second heat exchange pipeline can perform secondary heat exchange on the refrigerant in the first heat exchange pipeline so as to further reduce the temperature of the refrigerant in the first heat exchange pipeline;
(4) the gas-liquid mixed refrigerant which has absorbed heat in the second heat exchange pipeline enters the gas-liquid separator 80 through the auxiliary pipeline 40, and the separated gaseous refrigerant is directly sucked by the compressor 60 and compressed into high-pressure high-temperature gaseous refrigerant again;
(5) the high-pressure and high-temperature refrigerant passes through the oil separator 90 and then enters the condenser 20, is liquefied into a liquid refrigerant having a lower temperature than the gaseous refrigerant, and then enters the plate heat exchanger 30 again to complete a cycle.
Through the device that this embodiment provided, accomplished the precooling before the refrigerant gets into refrigeration plant through less plate heat exchanger, increased the super-cooled rate, reached the same bigger refrigerating output even to reduced the volume through configuration optimization design, made current model size only for the air conditioner size between the row, expanded the range of application of the many online host computers, makeed the transformation of current computer lab and the concentrated heat dissipation of local hotspot in the computer lab obtain optimal solution. Moreover, the device can reduce the failure rate of the system, meanwhile, the cold quantity of the whole system is not reduced, the integration level of the system is higher, and the maintenance space can be shared with inter-train equipment.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a many online host computers which characterized in that, many online host computers include:
a main line (10);
a condenser (20) arranged on the main line (10);
the plate type heat exchanger (30) is arranged on the main pipeline (10), the plate type heat exchanger (30) is located at the downstream of the condenser (20), the plate type heat exchanger (30) comprises a first heat exchange pipeline and a second heat exchange pipeline, an inlet of the first heat exchange pipeline is communicated with the condenser (20), and an outlet of the first heat exchange pipeline is communicated with refrigeration equipment;
an auxiliary line (40) having a first end and a second end disposed opposite to each other, the first end of the auxiliary line (40) being in communication with the outlet of the first heat exchange line, and the inlet of the second heat exchange line being in communication with the outlet of the first heat exchange line through the auxiliary line (40);
and the electronic expansion valve (50) is arranged on the auxiliary pipeline (40), and the electronic expansion valve (50) is positioned between the outlet of the first heat exchange pipeline and the inlet of the second heat exchange pipeline.
2. The multi-split main machine as claimed in claim 1, further comprising a compressor (60), wherein the compressor (60) is disposed on the main pipeline (10), the condenser (20) is located downstream of the compressor (60), the second end of the auxiliary pipeline (40) is communicated with the compressor (60), and the outlet of the second heat exchange pipeline is communicated with the compressor (60) through the auxiliary pipeline (40).
3. The multi-split master according to claim 1, wherein a detection assembly (70) is disposed on the auxiliary line (40), and the detection assembly (70) is used for detecting a parameter of the refrigerant in the auxiliary line (40).
4. The multi-split master according to claim 3, wherein the detection assembly (70) comprises:
a temperature sensor (71) disposed on the auxiliary line (40), the temperature sensor (71) being configured to detect a temperature of refrigerant in the auxiliary line (40);
a pressure sensor (72) disposed on the auxiliary line (40), the pressure sensor (72) for detecting a pressure of refrigerant in the auxiliary line (40).
5. The multi-split host according to claim 2, further comprising:
an inlet of the gas-liquid separator (80) is communicated with an outlet of the second heat exchange pipeline, and a gaseous refrigerant outlet of the gas-liquid separator (80) is communicated with an inlet of the compressor (60);
an oil separator (90) disposed on the main line (10) and between the compressor (60) and the condenser (20), an inlet of the oil separator (90) communicating with an outlet of the compressor (60).
6. The multi-split host according to claim 2, further comprising:
a check valve (100) disposed on the main pipeline (10), the check valve (100) being located between the compressor (60) and the condenser (20), the check valve (100) being used for controlling a flow direction of refrigerant in the main pipeline (10);
the liquid path electromagnetic valve (110) is arranged on the main line (10), the liquid path electromagnetic valve (110) is positioned between the condenser (20) and the plate type heat exchanger (30), and the liquid path electromagnetic valve (110) is used for controlling the communication state of the main line (10);
a dry filter (120) disposed on the main pipeline (10), the dry filter (120) being in communication with an outlet of the condenser (20), the dry filter (120) being for drying and filtering a refrigerant.
7. The multi-connected main unit as claimed in claim 1, further comprising a liquid sight glass (130), wherein the liquid sight glass (130) is disposed on the main pipeline (10), the liquid sight glass (130) is located downstream of the plate heat exchanger (30), and the liquid sight glass (130) is used for observing the working state of the refrigerant in the main pipeline (10).
8. The multi-split host computer as claimed in claim 1, further comprising a housing (140), wherein the housing (140) has a mounting cavity, components of the multi-split host computer are disposed in the mounting cavity, and the components are arranged in a height direction of the housing (140).
9. The multi-split master according to claim 8, wherein the components comprise a filter (150), an electronic control box (160) and a frequency converter (170), the housing (140) has a front side and a rear side which are oppositely arranged, and the filter (150), the electronic control box (160) and the frequency converter (170) are arranged on the front side of the housing (140).
10. A multi-connected system, characterized in that it comprises a multi-connected master as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676406.6U CN211120149U (en) | 2019-10-08 | 2019-10-08 | Multi-connected host and multi-connected system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921676406.6U CN211120149U (en) | 2019-10-08 | 2019-10-08 | Multi-connected host and multi-connected system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211120149U true CN211120149U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921676406.6U Active CN211120149U (en) | 2019-10-08 | 2019-10-08 | Multi-connected host and multi-connected system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211120149U (en) |
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2019
- 2019-10-08 CN CN201921676406.6U patent/CN211120149U/en active Active
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