CN-224203614-U - Liquid cooling container control system

Abstract

The utility model discloses a liquid cooling container control system, which comprises a cabinet main body and a double-pump circulation module integrated in the cabinet, wherein the double-pump circulation module comprises a main liquid pump and a standby liquid pump, the main liquid pump is driven by a frequency converter, the standby liquid pump can be driven by a power frequency power supply or the frequency converter, and a multi-point temperature acquisition module. The multipoint temperature acquisition and closed-loop control realize accurate temperature control, further reduce the energy consumption, cooperate the weeping to detect the sensor and can take place at the weeping and trigger signal in the twinkling of an eye, cut off the power and report to the police through PLC immediately, millisecond level response effectively avoids electrical short circuit and equipment to damage.

Inventors

• FANG LIANGLIANG
• REN WENJIE

Assignees

• 浙江千云智能技术有限公司

Dates

Publication Date

20260505

Application Date

20250717

Claims (7)

1. 1. The liquid cooling container control system is characterized by comprising a cabinet main body; the double-pump circulation module is integrated in the cabinet and comprises a main liquid pump and a standby liquid pump, wherein the main liquid pump is driven by a frequency converter, and the standby liquid pump can be driven by a power frequency power supply or the frequency converter; The multipoint temperature acquisition module comprises at least six temperature sensors which are respectively arranged at the upper part, the middle part, the lower part, the oil inlet, the oil outlet and the plate water inlet and outlet of the cabinet; The pressure closed-loop control module comprises an inlet pump pressure sensor and an outlet pump pressure sensor, and the sensors output 4-20mA signals; The liquid leakage detection module comprises a pipeline liquid leakage sensor and a liquid leakage sensor at the bottom of the cabinet; the PLC control unit is in communication connection with the frequency converter, the temperature acquisition module, the pressure closed-loop control module and the liquid leakage detection module, and executes redundancy switching logic; And a hierarchical power protection module comprising a multi-stage breaker (QF 1-QF 30) for performing hierarchical short circuit and overload protection on the power source and the DC 24V power source.
2. 2. The liquid cooling container control system of claim 1, wherein the PLC control unit forms a monitoring network with a multi-master-slave structure with an electric energy meter, a frequency converter and a temperature and humidity sensor through an RS-485 hub to realize millisecond fault location.
3. 3. The liquid cooling container control system of claim 1, wherein the multipoint temperature acquisition module is an EMAR08 eight-channel analog quantity expansion module and monitors the temperature of the bearing in a dual-sensor redundancy mode.
4. 4. The liquid cooling container control system of claim 1, wherein the leakage detection module immediately cuts off the power supply of the corresponding liquid pump and triggers an audible and visual alarm through a relay KA when a leakage signal is detected.
5. 5. The liquid-cooled container control system of claim 1, wherein the power lines are disposed in the left side trunking and the weak lines are disposed in the right side trunking, the power lines being physically isolated from the weak lines.
6. 6. The liquid cooling container control system of claim 1, wherein the cabinet is internally provided with an XT series double-layer converging terminal, the upper layer is used for summarizing 24V direct current power supplies, the lower layer is used for external direct current load wiring, and parallel wiring is forbidden between the two layers.
7. 7. The liquid cooling container control system according to any one of claims 1-6, wherein the switching time is less than 200ms by implementing variable frequency-power frequency undisturbed switching between the main liquid pump and the standby liquid pump through KM2 and KM3 contactors.

Description

Liquid cooling container control system Technical Field The utility model relates to the technical field of control systems, in particular to a liquid cooling container control system. Background The technical field of liquid cooling control systems, in particular to a liquid cooling container control system applied to scenes such as a data center, an energy storage power station and the like. Along with the continuous increase of the power density of data center and energy storage power station, traditional forced air cooling system has failed to satisfy high heat and gives off the demand, and the liquid cooling technique gradually becomes mainstream heat dissipation scheme because of its efficient heat conduction performance, and the liquid cooling system takes away the heat through the coolant circulation, can effectively reduce equipment operating temperature, improves system stability. The existing liquid cooling system adopts a single pump and single sensor architecture, and has a plurality of defects: The reliability is low, the single pump failure can cause the shutdown of the whole system, the redundant design is lacking, and the continuous operation of the system can not be ensured; The energy efficiency is low, the traditional liquid cooling system mostly adopts a fixed frequency pump, the flow can not be dynamically regulated according to the actual load, and the energy consumption is high; The monitoring is insufficient, the temperature and pressure monitoring points are fewer, the fine adjustment cannot be realized, the liquid leakage detection is lagged, and the electrical short circuit is easy to be caused; the deployment is complicated, the field wiring is complicated, the debugging period is long, and the deployment can be completed in 3-5 days; The safety risk is high, the power line and the weak current line are mixed, the electromagnetic interference is serious, and the safety level is low due to the lack of grading protection measures; the expansibility is poor, the expansion capability of the system is limited, and the requirements of load increase or function expansion cannot be rapidly met. Therefore, a liquid cooled container control system is proposed. Disclosure of utility model The present utility model is directed to a liquid-cooled container control system, which solves the above-mentioned problems of the prior art. In order to achieve the purpose, the utility model provides the following technical scheme that the liquid cooling container control system comprises a cabinet main body; the double-pump circulation module is integrated in the cabinet and comprises a main liquid pump and a standby liquid pump, wherein the main liquid pump is driven by a frequency converter, and the standby liquid pump can be driven by a power frequency power supply or the frequency converter; The multipoint temperature acquisition module comprises at least six temperature sensors which are respectively arranged at the upper part, the middle part, the lower part, the oil inlet, the oil outlet and the plate water inlet and outlet of the cabinet; The pressure closed-loop control module comprises an inlet pump pressure sensor and an outlet pump pressure sensor, and the sensors output 4-20mA signals; The liquid leakage detection module comprises a pipeline liquid leakage sensor and a liquid leakage sensor at the bottom of the cabinet; the PLC control unit is in communication connection with the frequency converter, the temperature acquisition module, the pressure closed-loop control module and the liquid leakage detection module, and executes redundancy switching logic; And a hierarchical power protection module comprising a multi-stage breaker (QF 1-QF 30) for performing hierarchical short circuit and overload protection on the power source and the DC 24V power source. Preferably, the PLC control unit forms a monitoring network with a multi-master-slave structure through the RS-485 concentrator, the electric energy meter, the frequency converter and the temperature and humidity sensor, and millisecond fault positioning is achieved. Preferably, the multipoint temperature acquisition module adopts an EMAR08 eight-channel analog quantity expansion module, and monitors the temperature of the bearing in a dual-sensor redundancy mode. Preferably, when the leakage detection module detects a leakage signal, the relay KA immediately cuts off the power supply of the corresponding liquid pump and triggers an audible and visual alarm. Preferably, the power line in the cabinet is arranged in the left side wire slot, the weak current line is arranged in the right side wire slot, and the power line is physically isolated from the weak current line. Preferably, an XT series double-layer bus terminal is arranged in the cabinet, the upper layer is used for summarizing 24V direct current power supplies, the lower layer is used for external direct current load wiring, and parallel wiring is forbidden between the two layer