CN213362716U - Heat exchange unit of cooling water air conditioner - Google Patents
Heat exchange unit of cooling water air conditioner Download PDFInfo
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- CN213362716U CN213362716U CN202022422141.6U CN202022422141U CN213362716U CN 213362716 U CN213362716 U CN 213362716U CN 202022422141 U CN202022422141 U CN 202022422141U CN 213362716 U CN213362716 U CN 213362716U
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- ball valve
- heat exchange
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- water pump
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Abstract
The utility model relates to the technical field of air conditioning, in particular to a heat exchange unit of a cooling water air conditioner, which comprises a fan cavity and a heat exchange main body, wherein the fan is arranged in the fan cavity and is used for driving and forming circulating air flow flowing to the heat exchange main body, the heat exchange main body comprises a water inlet pipe, a first ball valve, a first water pump, a second ball valve, a third ball valve, a second water pump, a fourth ball valve, a first evaporator, a second evaporator and a water outlet pipe, the water inlet pipe is used for obtaining low-temperature cooling water, the water outlet pipe is used for outputting high-temperature cooling water after heat exchange, the water inlet pipe is divided into two, wherein be connected to the outlet pipe after first ball valve, first water pump, second ball valve, first evaporimeter in proper order all the way, another way is connected to after third ball valve, second water pump, fourth ball valve, second evaporimeter in proper order the outlet pipe, the second ball valve links to each other with the one end of fourth ball valve flow direction outlet pipe.
Description
Technical Field
The utility model relates to an air conditioning technology field, concretely relates to heat exchanger unit of cooling water air conditioner.
Background
The pipe-line system of traditional cooling water machine room air conditioner mostly is single pipeline, single water pump and single two-way water valve constitution, provides cooling water and system transmission power through the water pump, controls the cooling water through the pipeline to flow, controls the size of discharge through the size of adjusting two-way water valve aperture, and this set of control system's advantage is simply and the cost is lower.
However, the system is controlled by a single water valve, and is transmitted by a single pipeline, when a unit is subjected to fault maintenance in the process of regular overhaul or unit operation, the whole system is inevitably stopped to operate, and the normal operation of the whole data center is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat exchanger group of cooling water air conditioner can not shut down and maintain or change the water pump of heat exchanger group.
Therefore, the heat exchange unit of the cooling water air conditioner comprises a fan cavity and a heat exchange main body, a fan is installed inside the fan cavity and used for driving to form circulating air flow flowing to the heat exchange main body, the heat exchange main body comprises a water inlet pipe, a first ball valve, a first water pump, a second ball valve, a third ball valve, a second water pump, a fourth ball valve, a first evaporator, a second evaporator and a water outlet pipe, the water inlet pipe is used for obtaining low-temperature cooling water, the water outlet pipe is used for outputting high-temperature cooling water after heat exchange, the water inlet pipe is divided into two paths, the water inlet pipe is connected to the water outlet pipe after passing through the first ball valve, the first water pump, the second ball valve and the first evaporator in sequence, the other path is connected to the water outlet pipe after passing through the third ball valve, the second water pump, the fourth ball valve and the second evaporator, and.
Furthermore, the heat exchanger also comprises a hood which is arranged on one side of the heat exchange main body far away from the fan cavity.
Furthermore, the first evaporator and the second evaporator form two wings of the V-shaped heat exchange main body.
Furthermore, the opening part of the V-shaped heat exchange main body faces the fan cavity, and the closed part faces the hood.
Furthermore, a partition plate is arranged between two wings of the V-shaped heat exchange main body to form the V-shaped heat exchange main body, and the first ball valve, the first water pump, the second ball valve, the third ball valve, the second water pump and the fourth ball valve are all located on the partition plate of the heat exchange main body.
Has the advantages that:
when first water pump damages, first ball valve, the second ball valve is closed, the third ball valve, the fourth ball valve is opened, the second water pump normally works, microthermal cooling water flows into first evaporimeter respectively through the second water pump, the second evaporimeter, at first evaporimeter, the second evaporimeter heaies up the back and flows out through the outlet pipe, maintainer just can maintain the first water pump of damage under the condition that heat exchanger unit does not shut down this moment, the same reason, when the second water pump damages, first ball valve, the second ball valve is opened, the third ball valve, the fourth ball valve is closed, first water pump normally works, maintainer just can maintain the second water pump of damage under the condition that heat exchanger unit does not shut down this moment, avoid heat exchanger unit to shut down and lead to the unable operation of air conditioner to produce harm.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of the heat exchanger unit of the present invention;
fig. 2 is a schematic structural diagram of the heat exchange main body of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
See fig. 1, the utility model discloses a heat exchanger group includes hood 1, fan chamber 2 and as shown in fig. 2 heat transfer main part 3, wherein, fan chamber 2 is used for installing the fan, and the fan is used for driving wind to flow to fan chamber 2 by hood 1 and forms the circulation air current of flowing through whole heat transfer main part 3, and the circulation air current discharges outside cooling after heat transfer main part 3 dispels the heat, and hood 1 is located the heat exchanger group top for strengthen ventilation effect, increase heat exchange efficiency.
Referring to fig. 2, the heat exchange main body 3 of this embodiment includes a water inlet pipe 31, a first ball valve 32, a first water pump 33, a second ball valve 34, a third ball valve 35, a second water pump 36, a fourth ball valve 37, a first evaporator 38, a second evaporator 39 and a water outlet pipe 40, the water inlet pipe 31 is used for connecting an external air conditioning device to obtain low-temperature cooling water cooled by an external air conditioner, the low-temperature cooling water is divided into two paths after flowing in, one path of the low-temperature cooling water sequentially flows into the first evaporator 38 through the first ball valve 32, the first water pump 33 and the second ball valve 34, becomes high-temperature cooling water after the first evaporator 38 absorbs heat and heats up, flows into the water outlet pipe 40 to be sent to the outside for heat dissipation, the other path of the high-temperature cooling water sequentially flows into the second evaporator 39 through the third ball valve 35, the second water pump 36 and the fourth ball valve 37, and also flows into the water outlet pipe 40 to be sent to the outside for heat dissipation after the second evaporator 39, when one of the water pumps is damaged, the cooling water can be supplied from the single water pump to the first evaporator 38 and the second evaporator 39 to dissipate heat.
When the heat exchanger unit normally operates, the first ball valve 32, the second ball valve 34, the third ball valve 35 and the fourth ball valve 37 are all opened, the first water pump 33 and the second water pump 36 normally operate, and the heat exchanger unit 3 can operate at full power.
When first water pump 33 damages, first ball valve 32, second ball valve 34 is closed, third ball valve 35, fourth ball valve 37 is opened, second water pump 36 normally works, cryogenic cooling water flows into second evaporimeter 39 and first evaporimeter 38 respectively behind second water pump 36, simultaneously second evaporimeter 39 and first evaporimeter 38 heat up the back and flow out through outlet pipe 40, maintainer just can not shut down at the heat exchanger group this moment, and under the condition that does not influence heat transfer power, dismantle the maintenance to the first water pump 33 that damages, it leads to the unable operation of air conditioner or heat transfer power reduction to lead to the air conditioner can not provide sufficient refrigerating capacity and produce harm to avoid the heat exchanger group to shut down.
Similarly, when second water pump 36 damages, first ball valve 32, second ball valve 34 are opened, third ball valve 35, fourth ball valve 37 are closed, first water pump 33 normally works, maintainer just can not stop at the heat exchanger group this moment, and do not influence under the condition of heat transfer power, dismantle the maintenance to the second water pump 36 that damages, avoid the heat exchanger group to shut down and lead to the unable operation of air conditioner or heat transfer power to reduce and lead to the air conditioner can not provide sufficient refrigerating output and produce harm.
Referring to fig. 1-2, a first evaporator 38 and a second evaporator 39 form two wings of a V-shaped heat exchange main body 3, a partition plate is arranged between the two wings, an opening part of the V-shaped heat exchange main body 3 faces a fan cavity 2, so that an airflow uniformly passes through the evaporators from a V-shaped closed opening to the opening, flows out after heat exchange, the closed opening part faces a hood 1, so that air to be cooled intensively enters the heat exchange main body 3, then uniformly contacts with the evaporators, and sends out cold air after heat exchange from the V-shaped opening under the suction action of a fan in the fan cavity 2 after sufficient heat exchange, as soon as possible due to the fast wind speed of the heat exchange airflow at the moment, a farther air supply distance can be realized, and a better heat exchange effect can be achieved for a machine room, as shown in fig. 2, a first ball valve 32, a first water pump 33, a second ball valve 34, a third ball valve 35, a second water pump 36 and a fourth ball valve 37 are all arranged on the partition, thereby make the structure compacter, reduced the volume of heat transfer main part 3, and this kind of scheme will arrange the outer water pump in the heat exchanger unit outside in the past and integrate to the heat exchanger unit inboard, reduced the pipeline of water pump to delivery port 40, not only make the power that the water pump consumed reduce, also make the ball valve more accurate to the power regulation that the water pump provided.
It should be finally noted that the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a heat exchanger group of cooling water air conditioner, includes fan chamber (2) and heat transfer main part (3), and fan chamber (2) internally mounted has the fan, and the fan is used for the drive to form the circulation wind air current to heat transfer main part (3), its characterized in that: the heat exchange main body (3) comprises a water inlet pipe (31), a first ball valve (32), a first water pump (33), a second ball valve (34), a third ball valve (35), a second water pump (36), a fourth ball valve (37), a first evaporator (38), a second evaporator (39) and a water outlet pipe (40), wherein the water inlet pipe (31) is used for obtaining low-temperature cooling water, the water outlet pipe (40) is used for outputting high-temperature cooling water after heat exchange, the water inlet pipe (31) is divided into two paths, wherein one way is connected to outlet pipe (40) after first ball valve (32), first water pump (33), second ball valve (34), first evaporimeter (38) in proper order, and another way is connected to outlet pipe (40) after third ball valve (35), second water pump (36), fourth ball valve (37), second evaporimeter (39) in proper order, and second ball valve (34) link to each other with the one end that fourth ball valve (37) flow direction outlet pipe (40).
2. The heat exchange unit of the cooling water air conditioner as claimed in claim 1, wherein: the heat exchanger also comprises a blast cap (1) arranged on one side of the heat exchange main body (3) far away from the fan cavity (2).
3. The heat exchange unit of the cooling water air conditioner as claimed in claim 2, wherein: the first evaporator (38) and the second evaporator (39) form two wings of the V-shaped heat exchange main body (3).
4. The heat exchange unit of the cooling water air conditioner as claimed in claim 3, wherein: the opening part of the V-shaped heat exchange main body (3) faces the fan cavity (2), and the closed part faces the hood (1).
5. The heat exchange unit of the cooling water air conditioner as claimed in claim 3, wherein: a partition plate is arranged between two wings of the V-shaped heat exchange main body (3) to form the V-shaped heat exchange main body, and the first ball valve (32), the first water pump (33), the second ball valve (34), the third ball valve (35), the second water pump (36) and the fourth ball valve (37) are all located on the partition plate of the heat exchange main body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422141.6U CN213362716U (en) | 2020-10-27 | 2020-10-27 | Heat exchange unit of cooling water air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422141.6U CN213362716U (en) | 2020-10-27 | 2020-10-27 | Heat exchange unit of cooling water air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213362716U true CN213362716U (en) | 2021-06-04 |
Family
ID=76133167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022422141.6U Active CN213362716U (en) | 2020-10-27 | 2020-10-27 | Heat exchange unit of cooling water air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213362716U (en) |
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2020
- 2020-10-27 CN CN202022422141.6U patent/CN213362716U/en active Active
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