Dummy load device for testing liquid cooling system of data center

By designing a fake load device of L1-L12 control circuit and logic control system, the problem that the existing liquid-cooled data center room test device cannot meet the heat exchange test requirements is solved, and the simulation and verification of different loads is realized, supporting a wide range of stand-alone power, saving labor costs.

CN223205588UActive Publication Date: 2025-08-08CHANGTAI CLOUD TECH SERVICE (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202422311778.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-08-08
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing liquid-cooled data center computer room test fake load devices cannot meet the heat exchange test requirements in different situations, and cannot effectively verify the power consumption and heat exchange performance.

Method used

A fake load device for testing of liquid cooling systems in data center was designed, including L1-L12 control circuits and logic control systems. The circuit structure consisting of a circuit breaker, current relay, pure resistive heating wire and a center-type current transformer was designed, combined with a gear selection device and an AC-DC power supply module to simulate different loads.

Benefits of technology

It meets the testing requirements of the liquid-cooled data center computer room, supports a stand-alone power of 1500W to 30000W, is easy to deploy, saves labor costs, and can effectively simulate the load and heat generation of the liquid-cooled data center.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a dummy load device for testing a liquid cooling system of a data center, which comprises an L1-path control circuit, an L2-path control circuit, an L3-path control circuit, an L4-path control circuit, an L5-path control circuit, an L6-path control circuit, an L7-path control circuit, an L8-path control circuit, an L9-path control circuit, an L10-path control circuit, an L11-path control circuit and an L12-path logic control system circuit. The dummy load device for testing the liquid cooling system of the data center can meet alternating current and direct current test requirements of a liquid cooling data center machine room and various single machine power (from 1500W to 30000W) requirements, is convenient to deploy, and saves a large amount of labor cost.
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Description

Technical Field

[0001] The utility model relates to the technical field of data centers, in particular to a dummy load device for testing a liquid cooling system of a data center. Background Art

[0002] To assess the performance of equipment and system functions in a computer room, many newly built computer rooms use liquid-cooled dummy loads to simulate the heat generation, power consumption, and heat exchange of real liquid-cooled servers. This process is known as comprehensive testing of liquid-cooled data centers. Typically, the dummy loads used in comprehensive computer room testing utilize air-cooled heat exchange, which cannot meet the diverse heat exchange testing requirements of current computer rooms and cannot verify power consumption and heat exchange performance. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a dummy load device for testing a liquid cooling system in a data center.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] A dummy load device for testing a data center liquid cooling system, comprising an L1 control circuit, an L2 control circuit, an L3 control circuit, an L4 control circuit, an L5 control circuit, an L6 control circuit, an L7 control circuit, an L8 control circuit, an L9 control circuit, an L10 control circuit, an L11 control circuit, and an L12 logic control system circuit;

[0006] The L1 control circuit includes: circuit breaker QF1 connected to current relay KA1, current relay KA1 connected to 1500W pure resistive heating wires R1 and R2, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT1, and the circuit breaker QF1 is connected to the power socket through a wire, in which the live wire is disconnected;

[0007] The L2 control circuit includes: circuit breaker QF2 connected to current relay KA2, current relay KA2 connected to 1500W pure resistive heating wires R3 and R4, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT2, and the circuit breaker QF2 is connected to the power socket through a wire, in which the live wire is disconnected;

[0008] The L3 control circuit includes: circuit breaker QF3 connected to current relay KA3, current relay KA3 connected to 1500W pure resistive heating wire R5, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT3, and circuit breaker QF3 is connected to the power socket through a wire, in which the live wire is disconnected;

[0009] The L4 control circuit includes: circuit breaker QF4 connected to current relay KA4, current relay KA4 connected to 1500W pure resistive heating wires R6 and R7, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT4, and the circuit breaker QF4 is connected to the power socket through a wire, in which the live wire is disconnected;

[0010] The L5 control circuit includes: circuit breaker QF5 connected to current relay KA5, current relay KA5 connected to 1500W pure resistive heating wires R8 and R9, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT5, and the circuit breaker QF5 is connected to the power socket through a wire, in which the live wire is disconnected;

[0011] The L6 control circuit includes: circuit breaker QF6 connected to current relay KA6, current relay KA6 connected to 1500W pure resistive heating wire R10, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT6, and the circuit breaker QF6 is connected to the power socket through a wire, in which the live wire is disconnected;

[0012] The L7 control circuit includes: circuit breaker QF7 connected to current relay KA7, current relay KA7 connected to 1500W pure resistive heating wires R11 and R12, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT7, and the circuit breaker QF7 is connected to the power socket through a wire, in which the live wire is disconnected;

[0013] The L8 control circuit includes: circuit breaker QF8 connected to current relay KA8, current relay KA8 connected to 1500W pure resistive heating wires R13 and R14, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT8, and the circuit breaker QF8 is connected to the power socket through a wire, in which the live wire is disconnected;

[0014] The L9 control circuit includes: circuit breaker QF9 connected to current relay KA9, current relay KA9 connected to 1500W pure resistive heating wire R15, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT9, and circuit breaker QF9 is connected to the power socket through a wire, in which the live wire is disconnected;

[0015] The L10 control circuit includes: circuit breaker QF10 connected to current relay KA10, current relay KA10 connected to 1500W pure resistive heating wires R16 and R17, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT10, and the circuit breaker QF10 is connected to the power socket through a wire, in which the live wire is disconnected;

[0016] The L11 control circuit includes: a circuit breaker QF11 connected to a current relay KA11, which is connected to 1500W pure resistive heating wires R18 and R19. The power wire between this current relay and the single-head heating tube passes through a through-type current transformer CT11. The circuit breaker QF11 is connected to a power socket via a wire, with the live wire being disconnected.

[0017] The L12 logic control system circuit includes: circuit breaker QF12 is connected to current relay KA12 and AC / DC rectifier power supply module TB1, current relay KA12 is connected to 1500W pure resistive heating wire R12, the power wire of this current relay and single-head heating tube passes through the through-type current transformer CT12, and circuit breaker QF12 is connected to the power socket through a wire, with the live wire being disconnected.

[0018] As a further technical solution of the present invention: it also includes a gear selection device, the live wire input end of the gear selection device is divided into 12 branch circuits, each of the branch circuits is not connected to live wire No. 1, live wire No. 2, live wire No. 3, live wire No. 4, live wire No. 5, live wire No. 6, live wire No. 7, live wire No. 8, live wire No. 9, live wire No. 10, live wire No. 11, and live wire No. 12, and the 12 branch circuits are respectively controlled by circuit breakers to perform gear selection.

[0019] As a further technical solution of the present invention: an AC / DC power supply module is connected to the L12-way logic control system circuit.

[0020] As a further technical solution of the present invention: the AC / DC power supply module is connected to an HMI human-machine interaction panel for displaying the operating current of the L1-L12 logic control system circuit.

[0021] As a further technical solution of the present invention: the HMI human-machine interaction panel controls the valve opening size of the electric regulating valve through a multi-channel communication module.

[0022] As a further technical solution of the present invention: it also includes a structural part, the structural part includes a chassis, a HMI human-machine interaction interface is fixedly installed on the front of the chassis, 12 circuit breakers are fixedly installed on the front of the chassis, 12 power input sockets are fixedly installed on the front of the chassis, 3 alarm indicator lights are fixedly installed on the front of the chassis, a refrigerant water inlet pipe and a refrigerant water outlet pipe are fixedly installed on the left side of the right side of the chassis, a number of heat dissipation holes are evenly opened on the right side of the chassis, an AC / DC power supply module, a relay, a solenoid valve, a multi-channel signal module, a refrigerant water inlet and outlet pipe fixing bracket and a bracket are installed on the left side of the chassis, 4 water exchange tanks are fixedly installed on the bracket, and a single-head heating pipe is installed in the water exchange tank.

[0023] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0024] The utility model discloses a dummy load device for testing a liquid cooling system in a data center, which can meet the AC and DC testing requirements of a liquid cooling data center computer room and various single-machine power requirements (from 1500W to 30000W). It is easy to deploy and saves a lot of labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a circuit schematic diagram of the data center dummy load test system of the present utility model.

[0026] Figure 2 This is the wiring diagram of the digital display screen of the data center dummy load test system of the utility model.

[0027] Figure 3 This is a structural diagram of the front side of the chassis of the data center dummy load test system of the present invention.

[0028] Figure 4 This is a structural diagram of the right side of the data center dummy load test system chassis of the present invention.

[0029] Figure 5 This is a structural diagram of the left side of the chassis of the data center dummy load test system of the present invention.

[0030] In the figure: 1-circuit breaker, 2-HMI human-machine interaction panel, 3-alarm indicator light, 4-power input socket, 5-refrigeration liquid inlet pipe, 6-refrigeration liquid outlet pipe, 7-heat dissipation hole, 8-heat exchange water tank, 9-AC / DC power supply module, 10-relay, 11-solenoid valve, 12-multi-channel signal module, 13-refrigeration liquid inlet and outlet pipe fixing bracket, 14-bracket. DETAILED DESCRIPTION

[0031] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1-5 ,like Figure 1 、 2The display shows a dummy load device for testing the liquid cooling system of a data center, including: L1 control circuit, L2 control circuit, L3 control circuit, L4 control circuit, L5 control circuit, L6 control circuit, L7 control circuit, L8 control circuit, L9 control circuit, L10 control circuit, L11 control circuit, and L12 logic control system circuit. The L1 control circuit includes: a circuit breaker QF1 connected to a current relay KA1, which is connected to 1500W pure resistive heating wires R1 and R2. The power supply wire of this current relay and the single-head heating tube passes through a through-type current transformer CT1. The circuit breaker QF1 is connected to a power socket through a wire, in which the live wire is disconnected.

[0033] The L2 control circuit includes: the circuit breaker QF2 is connected to the current relay KA2, the current relay KA2 is connected to the 1500W pure resistive heating wires R3 and R4, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT2, the circuit breaker QF2 is connected to the power socket through the wire, and the live wire is disconnected.

[0034] The L3 control circuit includes: the circuit breaker QF3 is connected to the current relay KA3, the current relay KA3 is connected to the 1500W pure resistive heating wire R5, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT3, the circuit breaker QF3 is connected to the power socket through the wire, and the live wire is disconnected.

[0035] The L4 control circuit includes: the circuit breaker QF4 is connected to the current relay KA4, the current relay KA4 is connected to the 1500W pure resistive heating wires R6 and R7, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT4, the circuit breaker QF4 is connected to the power socket through the wire, and the live wire is disconnected.

[0036] The L5 control circuit includes: the circuit breaker QF5 is connected to the current relay KA5, the current relay KA5 is connected to the 1500W pure resistive heating wires R8 and R9, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT5, the circuit breaker QF5 is connected to the power socket through the wire, and the live wire is disconnected.

[0037] The L6 control circuit includes: the circuit breaker QF6 is connected to the current relay KA6, the current relay KA6 is connected to the 1500W pure resistive heating wire R10, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT6, the circuit breaker QF6 is connected to the power socket through the wire, and the live wire is disconnected.

[0038] The L7 control circuit includes: the circuit breaker QF7 is connected to the current relay KA7, the current relay KA7 is connected to the 1500W pure resistive heating wires R11 and R12, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT7, the circuit breaker QF7 is connected to the power socket through the wire, and the live wire is disconnected.

[0039] The L8 control circuit includes: circuit breaker QF8 is connected to current relay KA8, current relay KA8 is connected to 1500W pure resistive heating wires R13 and R14, the power wire of this current relay and single-head heating tube passes through the through-type current transformer CT8, and the circuit breaker QF8 is connected to the power socket through the wire, in which the live wire is disconnected.

[0040] The L9 control circuit includes: the circuit breaker QF9 is connected to the current relay KA9, the current relay KA9 is connected to the 1500W pure resistive heating wire R15, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT9, the circuit breaker QF9 is connected to the power socket through the wire, and the live wire is disconnected.

[0041] The L10 control circuit includes: the circuit breaker QF10 is connected to the current relay KA10, the current relay KA10 is connected to the 1500W pure resistive heating wires R16 and R17, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT10, the circuit breaker QF10 is connected to the power socket through the wire, and the live wire is disconnected.

[0042] The L11 control circuit includes: circuit breaker QF11 is connected to current relay KA11, current relay KA11 is connected to 1500W pure resistive heating wires R18 and R19, the power wire of this current relay and the single-head heating tube passes through the through-type current transformer CT11, and the circuit breaker QF11 is connected to the power socket through a wire, where the live wire is disconnected.

[0043] like Figure 3-5 As shown, the chassis also includes a structural part, which includes a chassis, a HMI human-machine interface 2 is fixedly installed on the front of the chassis, 12 circuit breakers 1 are fixedly installed on the front of the chassis, 12 power input sockets 4 are fixedly installed on the front of the chassis, 3 alarm indicator lights 3 are fixedly installed on the front of the chassis, a refrigerant water inlet pipe 5 and a refrigerant water outlet pipe 6 are fixedly installed on the left side of the right side of the chassis, a number of heat dissipation holes 7 are evenly opened on the right side of the chassis, an AC / DC power supply module 9, a relay 10, a solenoid valve 11, a multi-channel signal module 12, a refrigerant water inlet and outlet pipe fixing bracket 13 and a bracket 14 are installed on the left side of the chassis, 4 hot water exchange tanks 8 are fixedly installed on the bracket 14, and a single-head heating pipe is installed in the hot water exchange tank 8.

[0044] The L12-way logic control system circuit includes: circuit breaker QF12 is connected to current relay KA12 and AC / DC rectifier power module TB1, current relay KA12 is connected to 1500W pure resistive heating wire R12, the power wire of this current relay and single-head heating tube passes through the through-type current transformer CT12, circuit breaker QF12 is connected to the power socket through a wire, where the live wire is broken, and the circuit breaker is used to select the gear to adjust the power, and the heat generation of the data center load is simulated by resistive heating. All equipment in the chassis can be connected to AC or DC power supply. At the same time, the current on each branch control circuit can be displayed on the L12-way logic control system display screen, and the equipment operation status can be intuitively observed to achieve the purpose of data center testing.

[0045] In an embodiment of the present invention, the dummy load device for testing the liquid cooling system is connected to the refrigerant by the cabinet CDU. The opening of the electric regulating valve of the water inlet pipe is adjusted according to the temperature difference between the inlet and outlet water of the running refrigerant, the equipment operating power and flow data, so as to realize the operating environment test of the liquid cooling data center computer room.

[0046] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.

[0047] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment have also been appropriately combined to form other implementation methods that are easy for those skilled in the art to understand.

Claims

1. A dummy load device for testing a data center liquid cooling system, comprising an L1 control circuit, an L2 control circuit, an L3 control circuit, an L4 control circuit, an L5 control circuit, an L6 control circuit, an L7 control circuit, an L8 control circuit, an L9 control circuit, an L10 control circuit, an L11 control circuit, and an L12 logic control system circuit, characterized in that: The L1 control circuit includes: circuit breaker QF1 connected to current relay KA1, current relay KA1 connected to 1500W pure resistive heating wires R1 and R2, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT1, and the circuit breaker QF1 is connected to the power socket through a wire, in which the live wire is disconnected; The L2 control circuit includes: circuit breaker QF2 connected to current relay KA2, current relay KA2 connected to 1500W pure resistive heating wires R3 and R4, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT2, and the circuit breaker QF2 is connected to the power socket through a wire, in which the live wire is disconnected; The L3 control circuit includes: circuit breaker QF3 connected to current relay KA3, current relay KA3 connected to 1500W pure resistive heating wire R5, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT3, and circuit breaker QF3 is connected to the power socket through a wire, in which the live wire is disconnected; The L4 control circuit includes: circuit breaker QF4 connected to current relay KA4, current relay KA4 connected to 1500W pure resistive heating wires R6 and R7, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT4, and the circuit breaker QF4 is connected to the power socket through a wire, in which the live wire is disconnected; The L5 control circuit includes: circuit breaker QF5 connected to current relay KA5, current relay KA5 connected to 1500W pure resistive heating wires R8 and R9, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT5, and the circuit breaker QF5 is connected to the power socket through a wire, in which the live wire is disconnected; The L6 control circuit includes: circuit breaker QF6 connected to current relay KA6, current relay KA6 connected to 1500W pure resistive heating wire R10, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT6, and the circuit breaker QF6 is connected to the power socket through a wire, in which the live wire is disconnected; The L7 control circuit includes: circuit breaker QF7 connected to current relay KA7, current relay KA7 connected to 1500W pure resistive heating wires R11 and R12, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT7, and the circuit breaker QF7 is connected to the power socket through a wire, in which the live wire is disconnected; The L8 control circuit includes: circuit breaker QF8 connected to current relay KA8, current relay KA8 connected to 1500W pure resistive heating wires R13 and R14, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT8, and the circuit breaker QF8 is connected to the power socket through a wire, in which the live wire is disconnected; The L9 control circuit includes: circuit breaker QF9 connected to current relay KA9, current relay KA9 connected to 1500W pure resistive heating wire R15, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT9, and circuit breaker QF9 is connected to the power socket through a wire, in which the live wire is disconnected; The L10 control circuit includes: circuit breaker QF10 connected to current relay KA10, current relay KA10 connected to 1500W pure resistive heating wires R16 and R17, the power wire between this current relay and the single-head heating tube passes through the through-type current transformer CT10, and the circuit breaker QF10 is connected to the power socket through a wire, in which the live wire is disconnected; The L11 control circuit includes: a circuit breaker QF11 connected to a current relay KA11, which is connected to 1500W pure resistive heating wires R18 and R19. The power wire between this current relay and the single-head heating tube passes through a through-type current transformer CT11. The circuit breaker QF11 is connected to a power socket via a wire, with the live wire being disconnected. The L12 logic control system circuit includes: circuit breaker QF12 is connected to current relay KA12 and AC / DC rectifier power supply module TB1, current relay KA12 is connected to 1500W pure resistive heating wire R12, the power wire of this current relay and single-head heating tube passes through the through-type current transformer CT12, and circuit breaker QF12 is connected to the power socket through a wire, with the live wire being disconnected.

2. The dummy load device for testing a data center liquid cooling system according to claim 1, characterized in that: It also includes a gear selection device, the live wire input end of the gear selection device is divided into 12 branch circuits, each of the branch circuits is not connected to live wire No. 1, live wire No. 2, live wire No. 3, live wire No. 4, live wire No. 5, live wire No. 6, live wire No. 7, live wire No. 8, live wire No. 9, live wire No. 10, live wire No. 11, and live wire No. 12, and the 12 branch circuits are controlled by circuit breakers for gear selection.

3. The dummy load device for testing a data center liquid cooling system according to claim 1, characterized in that: The L12 logic control system circuit is connected to an AC / DC power supply module.

4. The dummy load device for testing a data center liquid cooling system according to claim 3, characterized in that: The AC / DC power supply module is connected to an HMI human-machine interaction panel for displaying the operating current of the L1-L12 control circuits.

5. The dummy load device for testing a data center liquid cooling system according to claim 4, characterized in that: The HMI human-machine interaction panel controls the valve opening of the electric regulating valve through the multi-channel communication module.

6. The dummy load device for testing a data center liquid cooling system according to any one of claims 1 to 5, characterized in that: The system also includes a structural part, which includes a chassis, an HMI human-machine interaction interface (2) fixedly installed on the front of the chassis, 12 circuit breakers (1) fixedly installed on the front of the chassis, 12 power input sockets (4) fixedly installed on the front of the chassis, 3 alarm indicator lights (3) fixedly installed on the front of the chassis, a freezing liquid water inlet pipe (5) and a freezing liquid water outlet pipe (6) fixedly installed on the left side of the right side of the chassis, a plurality of heat dissipation holes (7) evenly opened on the right side of the chassis, an AC / DC power supply module (9), a relay (10), a solenoid valve (11), a multi-channel signal module (12), a freezing liquid water inlet and outlet pipe fixing bracket (13) and a bracket (14) installed on the left side of the chassis, 4 heat exchange water tanks (8) fixedly installed on the bracket (14), and a single-head heating pipe installed in the heat exchange water tank (8).

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