CN110856430A - Drawer type heat exchange system of server - Google Patents

Abstract

The invention discloses a server drawer type heat exchange system, comprising a casing, the bottom of the casing is provided with baffles, the outer surface of which is welded with reinforcing ribs, the inner bottom of the casing and the two sides of the baffles are respectively slidable Equipped with a drawer box, a heat exchange system for server heat dissipation is installed in the drawer box, which can effectively solve the problem that the heat exchange efficiency cannot be satisfied due to the excessive concentration of server power density and small heat dissipation space.

Description

A server drawer heat exchange system

technical field

The invention relates to the technical field of heat exchangers, in particular to a server drawer type heat exchange system.

Background technique

From the perspective of the development trend of the server, due to the integration of more and more functions, the heating power of the chip is increasing, and the heat dissipation problem is becoming more and more serious. The traditional air cooling can no longer solve the heat problem generated by the high power of the server. , so liquid cooling will be a better way to solve the problem of server heat dissipation in the future, but the power density of the server is too concentrated, the heat dissipation space is small, the heat exchange efficiency of the current heat exchange system cannot meet the needs of the server, and the server can only be shut down. The heat exchange system can only be repaired in the state of the state, which will affect the normal use of the server.

SUMMARY OF THE INVENTION

In order to overcome the above problems, the present invention provides a server drawer heat exchange system, which can effectively solve the problem that the heat exchange efficiency cannot be satisfied due to the excessive concentration of server power density and small heat dissipation space.

The technical solution adopted by the present invention to solve the technical problem is as follows: the present invention provides a server drawer type heat exchange system, which includes a shell, the bottom surface of the shell is provided with a baffle, and the outer surface of the shell is welded with reinforcing ribs. Drawers are installed on the inner bottom surface of the casing and on both sides of the baffle, respectively, and a heat exchange system for heat dissipation of the server is installed in the drawers.

Preferably, the heat exchange system includes a water pump, a plate heat exchanger and a water tank, the water tank is provided with an automatic exhaust valve, and the water pump bolt is installed on the base provided on the bottom surface of the drawer and is located at the front end of the shell, so The water tank is placed at the rear end of the shell and fixed on the fixed block welded on the bottom surface of the drawer by a clamp, and the plate heat exchanger is placed between the water pump and the water tank and communicated with its pipes respectively to form a water circuit circulation.

Preferably, the water tank is provided with a first water inlet, a first water outlet and a return port, the first water outlet of the water tank is communicated with the second water inlet of the water pump through a first water delivery pipe, and the top of the water pump is provided with a first water outlet. The two water outlets are connected with a second water delivery pipe.

Preferably, a pressure sensor and a temperature sensor are respectively provided at both ends of the second water delivery pipe, and a filter is provided between the sensors. The temperature sensor monitors the temperature of the coolant entering and exiting the server, and adjusts the flow rate entering the server by monitoring the temperature to ensure that the server temperature is stable within an acceptable range. The pressure sensor monitors the pressure value of the entire system. When the pressure in the system drops seriously , the system automatically alarms, and switches the standby heat exchange system to work at the same time. The filter can filter impurities with larger particles and ensure the cleanliness of the coolant in the entire system.

Preferably, the return port of the water tank is respectively connected with the two third water inlets provided on the plate heat exchanger through the third water delivery pipe, and the third water delivery pipe is provided with an electric tee between the two third water inlets The plate heat exchanger is provided with a third water outlet and communicated with a fourth water delivery pipe. The electric three-way valve is opened and closed by the command of the control system, so as to adjust the coolant flow into the server.

Preferably, a temperature sensor is provided at the end of the third water delivery pipe.

Preferably, the plate heat exchanger is provided with two or more third water inlets, and is provided with the same number of third water outlets as the third water inlets.

Preferably, the heat exchange system communicates with the server and the cooling tower through installed quick connectors. The heat exchange system can be easily repaired and maintained without stopping and leaking.

Preferably, the plate heat exchanger adopts high-efficiency brazed plates.

Preferably, the cross section of the water tank is cylindrical. It is used to withstand the system pressure to ensure that there is always a sufficient amount of liquid for the pump to absorb the liquid inlet of the pump.

Compared with the prior art, the present invention has the beneficial effects as follows: the heat exchange system is provided with two or more than two, which can be pushed and pulled through the drawer to be installed inside the casing and installed on the server, the structure is simpler and safer It is more reliable, and can effectively solve the problem that the current server power density is too concentrated and the heat dissipation space is small, which leads to the inability to meet the heat exchange efficiency. At the same time, multiple sets of heat exchange systems are placed, and the control system can automatically perform between the two heat exchange systems according to the actual situation. The seamless switching ensures the stable operation of the server for a long time, so that the heat exchange system in one of the drawers can be maintained and repaired without the server being shut down. Effect.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

1 is a schematic diagram of the overall axonometric structure of a server drawer heat exchange system according to the present invention;

2 is a top view of a server drawer heat exchange system according to the present invention;

3 is a schematic diagram of the axonometric structure of a server drawer heat exchange system according to the present invention;

Fig. 4 is a schematic diagram of axonometric structure of a server drawer heat exchange system according to the present invention;

5 is an assembly diagram of a server drawer heat exchange system according to the present invention;

FIG. 6 is a flow chart of the water circuit of a server drawer heat exchange system according to the present invention.

Description of drawings: 1. shell; 2. drawer; 3. heat exchange system; 301, water pump; 302, plate heat exchanger; 303, water tank; 304, automatic exhaust valve; 4, first water inlet; 5 , the first water outlet; 6, the return port; 7, the second water inlet; 8, the first water pipe; 9, the second water outlet; 10, the second water pipe; 11, the pressure sensor; 12, the temperature sensor; 13 , filter; 14, the third water pipe; 15, the third water inlet; 16, the electric three-way valve; 17, the third water outlet; 18, the fourth water pipe; 19, the quick connector.

Detailed ways

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

The specific implementation of the present invention is as follows: a server drawer heat exchange system as shown in Figures 1-6 includes a casing 1, the bottom surface of the casing 1 is provided with a baffle, and the outer surface of the casing is welded with reinforcing ribs. 1 A drawer box 2 is installed on the inner bottom surface and on both sides of the baffle plate. A heat exchange system 3 for server heat dissipation is installed in the drawer box 2. The heat exchange system 3 is provided with two or more than two. The drawer box 2 can be pushed and pulled inside the casing 1 and installed on the server. The structure is simpler, safer and more reliable. It can effectively solve the problem that the current server power density is too concentrated and the heat dissipation space is small, resulting in the inability to meet the heat exchange efficiency. Multiple sets of heat exchange systems 3 are placed at the same time, and the control system 3 can automatically switch seamlessly between the two heat exchange systems 3 according to the actual situation to ensure the long-term stable operation of the server. The cooling tower is connected, which can facilitate the maintenance and maintenance of the heat exchange system 3 without stopping and leaking.

The heat exchange system 3 includes a water pump 301, a plate heat exchanger 302 and a water tank 303. The water tank 303 is provided with an automatic exhaust valve 304. The water pump 301 is bolted to the base set on the bottom surface of the drawer 2 and is located at the front end of the shell 1. 301 adopts an industrial pump or an electronic pump to provide a power source for driving the secondary side coolant circulation. The water tank 303 is placed at the rear end of the shell 1 and fixed on the fixed block welded on the bottom surface of the drawer 2 through a clamp. The cross-section of the water tank 303 is cylindrical The plate heat exchanger 302 is placed between the water pump 301 and the water tank 303, and is connected with its pipes respectively to form a water circuit circulation. The heat exchanger 302 adopts a high-efficiency brazing plate, which can perform water-water heat exchange, and can also use other liquids for heat exchange.

The water tank 303 is provided with a first water inlet 4, a first water outlet 5, and a return port 6. The first water outlet 5 of the water tank 303 is communicated with the second water inlet 7 of the water pump 301 through the first water delivery pipe 8. The top of the water pump 301 is provided with The second water outlet 9 is connected with a second water delivery pipe 10. The two ends of the second water delivery pipe 10 are respectively provided with a pressure sensor 11 and a temperature sensor 12, and a filter 13 is arranged between the sensors. The temperature of the coolant flowing out of the server, by monitoring the temperature, adjusts the flow rate entering the server to ensure that the temperature of the server is stable within an acceptable range. The pressure sensor 11 monitors the pressure value of the entire system. When the pressure in the system drops seriously, the system automatically alarm At the same time, the standby heat exchange system 3 is switched to work. The filter 13 can filter impurities with larger particles and ensure the cleanliness of the coolant in the entire system. The return port 6 of the water tank 303 is connected to the plate heat exchanger 302 through the third water pipe 14 respectively The two third water inlets 15 provided on it are connected, the end of the third water delivery pipe 14 is provided with a temperature sensor 12, and the third water delivery pipe 14 is located between the two third water inlets 15 with an electric three-way valve 16. The three-way valve 16 is opened and closed by the command of the control system, so as to adjust the flow rate of the cooling liquid entering the server. There are two or more third water inlets 15, and there are third water outlets 17 in the same number as the third water inlets 15, and each third water outlet 17 is connected with a fourth water delivery pipe 18, The heat exchange system 3 adopts a plate heat exchanger 302 for water-water heat exchange. The heat inside the server is taken out of the server through the cooling liquid, and is transported to the plate heat exchanger 302 of the heat exchange system 3 for heat exchange. Heater 302 takes heat away from cold water entering plate heat exchanger 302 and is driven by water pump 301 to form a heat exchange cycle.

Taking the above ideal embodiments according to the present invention as inspiration, and through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the contents in the specification, and the technical scope must be determined according to the scope of the claims.

Claims (10)

1. A drawer type heat exchange system of a server is characterized in that: the heat exchanger comprises a shell, wherein a separation blade is arranged on the bottom surface of the shell, reinforcing ribs are welded on the periphery of the outer surface of the shell, drawer boxes are respectively arranged on the bottom surface inside the shell and positioned on two sides of the separation blade in a sliding fit mode, and a heat exchange system used for heat dissipation of a server is arranged in each drawer box.

2. The server drawer type heat exchange system as claimed in claim 1, wherein: the heat exchange system comprises a water pump, a plate heat exchanger and a water tank, an automatic exhaust valve is arranged on the water tank, a water pump bolt is installed on a base arranged on the bottom surface of the drawer box and located at the front end of the shell, the water tank is arranged at the rear end of the shell and fixed on a fixing block welded to the bottom surface of the drawer box through a clamp, and the plate heat exchanger is arranged between the water pump and the water tank and is communicated with a pipeline of the plate heat exchanger to form a water path circulation.

3. The server drawer type heat exchange system as claimed in claim 2, wherein: the water tank is provided with a first water inlet, a first water outlet and a backflow port, the first water outlet of the water tank is communicated with the second water inlet of the water pump through a first water conveying pipe, and the top of the water pump is provided with a second water outlet and communicated with a second water conveying pipe.

4. The server drawer type heat exchange system as claimed in claim 3, wherein: and two ends of the second water conveying pipe are respectively provided with a pressure sensor and a temperature sensor, and a filter is arranged between the sensors.

5. The server drawer type heat exchange system as claimed in claim 2, wherein: the backflow port of the water tank is respectively communicated with two third water inlets formed in the plate heat exchanger through a third water delivery pipe, an electric three-way valve is arranged between the two third water inlets of the third water delivery pipe, and a third water outlet is formed in the plate heat exchanger and is communicated with a fourth water delivery pipe.

6. The server drawer type heat exchange system as recited in claim 5, wherein: and the tail end of the third water conveying pipeline is provided with a temperature sensor.

7. The server drawer type heat exchange system as claimed in claim 2, wherein: and two or more third water inlets are formed in the plate heat exchanger, and third water outlets with the same number as the third water inlets are formed in the plate heat exchanger.

8. The server drawer type heat exchange system as claimed in claim 2, wherein: the heat exchange system is communicated with the server and the cooling tower through the installed quick connectors.

9. The server drawer type heat exchange system as claimed in claim 2, wherein: the plate heat exchanger uses high efficiency brazing plates.

10. The server drawer type heat exchange system as claimed in claim 2, wherein: the section of the water tank is cylindrical.

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