CN115165231A - Leakage detection system applied to VPX liquid cooling case - Google Patents
Leakage detection system applied to VPX liquid cooling case Download PDFInfo
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- CN115165231A CN115165231A CN202211092533.8A CN202211092533A CN115165231A CN 115165231 A CN115165231 A CN 115165231A CN 202211092533 A CN202211092533 A CN 202211092533A CN 115165231 A CN115165231 A CN 115165231A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application discloses be applied to leakage detecting system of VPX liquid cooling machine case, belong to VPX equipment detection technical field, this system is including the leakage detection circuit that detects whether there is the weeping phenomenon in the cooling pipeline of VPX liquid cooling machine case, block the weeping automatic shutdown circuit that outside cooling working medium flowed into the liquid cooling rack, based on the main control board of detection data control weeping automatic shutdown circuit, show the local warning circuit of weeping of warning information and with the long-range warning circuit of weeping of target data transmission to remote monitoring terminal in the local show of system. This application can carry out monitor function to VPX liquid cooling machine case cooling line internal cooling working medium, can in time discover the weeping trouble, possesses long-range warning and local warning to the detection information who characterizes the trouble, and the intelligent management of VPX liquid cooling machine case of being convenient for possesses when the weeping takes place, and the ability of the mobile of automatic shutoff cooling working medium in the cooling line can be with the influence of cooling working medium hourglass overflow to equipment and fall to minimumly.
Description
Technical Field
The application belongs to the technical field of VPX equipment detection, and particularly relates to a leakage detection system applied to a VPX liquid cooling cabinet.
Background
At present, the performance requirement of a VPX computing cabinet is higher and higher, and then the power consumption of the whole system is higher and higher, so that the traditional air-cooled cabinet is difficult to meet the heat dissipation requirement of computing boards in the computing cabinet. In addition, the development trend of electronic technology miniaturization, high integration and high-power electronic device application leads the required volume of electronic equipment to be smaller and smaller, the number of components to be increased, the power density and the heat flux density of the electronic equipment to be greatly improved, and the requirement on quick heat dissipation is correspondingly improved. In this context, liquid-cooled cabinets are increasingly being used.
At present, the research on the liquid cooling case mostly focuses on the aspects of the design of a liquid cooling pipeline, the selection of a cooling working medium, the design of an interface connector and the like, the research on a liquid leakage detection device of the liquid cooling case is not reported, and a research case for intelligently alarming and automatically cutting off fluid after liquid leakage does not exist.
Disclosure of Invention
In order to solve the defects of the prior art, the application provides a leakage detection system applied to a VPX liquid cooling cabinet.
The application is realized by the following scheme:
in a first aspect, the present application provides a leakage detection system applied to a VPX liquid-cooled chassis, the system comprising:
a liquid leakage detection circuit configured to: detecting whether a cooling pipeline of the VPX liquid cooling cabinet has a liquid leakage phenomenon or not; the liquid leakage detection circuit comprises a bubble sensor arranged on the cooling pipeline, the bubble sensor is used for detecting the bubble content of the cooling working medium in the cooling pipeline, and the bubble sensor indicates whether the liquid leakage phenomenon exists in the cooling pipeline or not based on detection data generated by the bubble content;
a leakage automatic shut-off circuit configured to: when the liquid leakage phenomenon exists in the cooling pipeline, blocking the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet; the automatic leakage shutoff circuit comprises an electromagnetic valve which is arranged close to a liquid inlet of the VPX liquid cooling case;
a main control board configured to: receiving detection data of the liquid leakage detection circuit, and judging whether the cooling pipeline has a liquid leakage phenomenon or not based on the detection data; when a liquid leakage phenomenon exists, a blocking control signal is generated and sent to the automatic liquid leakage turn-off circuit, so that the electromagnetic valve blocks the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet under the triggering of the blocking control signal;
a leakage local warning circuit configured to: generating alarm information under the triggering of an alarm signal sent by the main control board, and locally displaying the alarm information in the system; wherein, the alarm signal is generated by the main control board when a liquid leakage phenomenon exists;
a leakage remote alert circuit configured to: sending target data obtained after the main control board processes the detection data to a remote monitoring terminal;
wherein the main control board is further configured to: and when judging whether the cooling pipeline has a liquid leakage phenomenon or not based on the detection data, executing the following steps: determining the content of bubbles in the cooling working medium based on the detection data; judging whether the variation of the bubble content is larger than a bubble variation threshold value or not; if yes, determining that a liquid leakage phenomenon exists; if not, determining that no liquid leakage phenomenon exists.
In an optional embodiment of the present application, a value of the bubble variation threshold is 1%.
In an optional embodiment of the present application, the bubble variation threshold is inversely related to the number of boards included in the VPX liquid-cooled enclosure.
In an optional embodiment of the present application, the liquid leakage detection circuit is connected to the main control board through an I2C bus of the VPX liquid-cooled chassis.
In an alternative embodiment of the present application, the alarm signal is a GPIO control signal.
In an optional embodiment of the present application, the local leakage alarm circuit includes: a warning light; the warning signal is a light message emitted by the warning lamp.
In an optional embodiment of the present application, the local leakage alarm circuit includes: a buzzer; the alarm signal is a sound message sent by the buzzer.
In an alternative embodiment of the present application, the bubble sensor is a non-invasive sensor, and is wrapped on the outer wall of the cooling pipeline; and/or, the system further comprises a locking mechanism, and the bubble sensor is fixed on the shell of the VPX liquid cooling case through the locking mechanism.
In an optional embodiment of the present application, the main control board adopts the IPMB bus of the VPX liquid cooling enclosure through the liquid leakage remote alarm circuit, and is connected to the rack management controller of the VPX liquid cooling enclosure, so that the rack management controller sends the target data to the remote monitoring terminal.
In an optional embodiment of the present application, the leakage automatic shutdown circuit further includes a solid-state relay disposed on a backplane of the VPX liquid-cooled chassis; when the liquid leakage phenomenon exists, the solid-state relay controls the electromagnetic valve to block the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet under the triggering of the blocking control signal.
In a second aspect, the present application provides a VPX liquid cooling chassis, the VPX liquid cooling chassis includes:
the system comprises a board card and the leakage detection system applied to the VPX liquid cooling case in any one of the first aspect;
the cooling pipeline is internally provided with a cooling working medium and is used for cooling the VPX liquid cooling cabinet; the cooling pipeline comprises a liquid inlet.
In an optional embodiment of the present application, the VPX liquid-cooled enclosure includes an IPMB bus composed of IPMB _ SCL and IPMB _ SDA, a GD32 clock with a frequency of 8MHz, and a BOOT pin termination resistor with a resistance of 4.7K Ω.
In an optional embodiment of the present application, the number of the board cards ranges from 10 to 50.
The application has the following advantages:
the monitoring function can be carried out on the cooling working medium in the cooling pipeline of the VPX liquid cooling case, the leakage fault can be timely found, remote warning and local warning are provided for detection information for representing the fault, intelligent management of the VPX liquid cooling case is facilitated, the capacity of automatically cutting off the flowing of the cooling working medium in the cooling pipeline when leakage occurs is provided, and the influence of the leakage of the cooling working medium on equipment can be reduced to the minimum.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions of the present application, the drawings needed for describing the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and that other drawings can be obtained by those skilled in the art without inventive exercise.
Fig. 1 is a schematic structural diagram of at least a part of a liquid leakage detection system applied to a VPX liquid-cooled chassis according to an embodiment of the present application;
fig. 2 is a schematic diagram of an automatic leakage shutdown circuit applied to a VPX liquid-cooled chassis according to an embodiment of the present application;
fig. 3a is a schematic diagram of a part of a main control board control remote alarm circuit applied to a leakage detection system of a VPX liquid-cooled chassis according to an embodiment of the present application;
fig. 3b is another partial schematic diagram of the main control board control remote alarm circuit applied in the leakage detection system of the VPX liquid-cooled chassis according to the embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments and corresponding drawings. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of clearly describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where a certain sequence must be followed.
The ordinal numbers used herein for the components, such as "first," "second," etc., are used merely to distinguish between the objects described, and do not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
VPX is a new generation of high-speed serial bus standard developed by vta (VME International Trade Association ) organization on the basis of its VME bus in 2007. The basic specifications, mechanical structure, and details of the bus signals of the VPX bus are defined in the ANSI/VITA46 series of specifications. VPX is a new generation of bus standard based on high speed serial buses, which was originally designed to inherit and continue the VME bus in order to protect the applications of the VME bus. The VPX bus standard is a high-reliability and high-speed serial exchange bus, each card has independent high-speed bus bandwidth, single product of each manufacturer has good consistency, detailed standard guidance is provided, and the interoperability is strong. The method can meet the application requirements of industrial and vehicle-mounted, airborne, ship-based and other military equipment with high requirements on the bandwidth and reliability of the backboard bus, and has good development prospect.
At present, the performance requirement of a VPX computing server is higher and higher, and the power consumption of the whole machine is higher and higher, so that the traditional air-cooled chassis is difficult to meet the heat dissipation requirement of a computing board card in the server. In addition, the development trend of the application of electronic devices with miniaturization, high integration and high power of electronic technology leads the required volume of electronic equipment to be smaller and smaller, the number of components to be increased, the power density and the heat flux density of the electronic equipment to be greatly improved, and the requirement on rapid heat dissipation is correspondingly improved. In this context, liquid-cooled cabinets are increasingly used. The basic working principle of the liquid cooling case is as follows: a special cooling pipeline is designed in the case, and cooling liquid flows in the pipeline, so that heat of heating components attached to the outer wall of the pipeline is taken away, and the effect of rapid heat dissipation is achieved.
At present, the research on the liquid cooling case mostly focuses on the aspects of the design of a liquid cooling pipeline, the selection of a cooling working medium, the design of an interface connector and the like, the research on a liquid leakage detection device of the liquid cooling case is not reported, and a research case for intelligently alarming and automatically cutting off fluid after liquid leakage does not exist.
The VPX liquid cooling chassis in the application is a device based on a VPX framework. The VPX liquid-cooled cabinet in the application comprises a board card and a leakage detection system applied to the VPX liquid-cooled cabinet and mentioned below. Optionally, the board card includes: a computing board, a switch board, a power board, and a memory board. At least one of the aforementioned boards may be one or more than one.
In the present application, the computing boards are used for processing target data, such as data received by the communication module, and the functions of different computing boards may be different. The exchange board is used for realizing data exchange of the VPX liquid cooling case. The power panel is used for supplying power to the VPX liquid cooling case. The storage board is used for storing at least part of data processed by the VPX liquid cooling case. In an optional embodiment of the present application, the VPX liquid-cooled enclosure further includes a backplane, where the backplane is provided with an IPMB bus, and the switch board and the power board are respectively connected to the computing board and the storage board through the IPMB bus, and exemplarily, at least a partial structure of the VPX liquid-cooled enclosure is shown in the content of a dashed box in fig. 1. Optionally, the VPX liquid-cooled chassis comprises an IPMB bus composed of IPMB _ SCL and IPMB _ SDA, a GD32 clock with a frequency of 8MHz, and a BOOT pin termination resistor with a resistance of 4.7K Ω. The VPX liquid cooling case also comprises a cooling pipeline, wherein a cooling working medium is arranged in the cooling pipeline and used for cooling the VPX liquid cooling case; the cooling pipeline comprises a liquid inlet and a liquid outlet. And the cooling working medium flows into a cooling pipeline inside the VPX liquid cooling case through a liquid inlet and flows out of the VPX liquid cooling case from the cooling pipeline inside the VPX liquid cooling case through a liquid outlet.
Various non-limiting embodiments of the present application are described in detail below with reference to the attached drawing figures. A weeping detecting system who is applied to VPX liquid cooling machine case in this application.
Illustratively, as shown in fig. 1, the system in the present application mainly includes: the leakage alarm circuit comprises a leakage detection circuit, a leakage automatic turn-off circuit, a main control board, a leakage local alarm circuit and a leakage remote alarm circuit. The liquid leakage detection circuit, the liquid leakage automatic turn-off circuit, the liquid leakage local alarm circuit and the liquid leakage remote alarm circuit are respectively connected with the main control board. Each circuit works under the control of the main control board.
The liquid leakage detection circuit is used for detecting whether a liquid leakage phenomenon exists in a cooling pipeline of the VPX liquid cooling case or not. And the automatic liquid leakage turn-off circuit is used for blocking the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet when the cooling pipeline has a liquid leakage phenomenon. The main control board is used for receiving detection data of the liquid leakage detection circuit and judging whether the cooling pipeline has a liquid leakage phenomenon or not based on the detection data; when the liquid leakage phenomenon exists, a blocking control signal is generated and sent to the liquid leakage automatic turn-off circuit, so that the electromagnetic valve is triggered by the blocking control signal to block the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet. The leakage local alarm circuit is used for generating alarm information under the triggering of an alarm signal sent by the main control board and displaying the alarm information locally in the system; the alarm signal is generated by the main control board when a liquid leakage phenomenon exists. And the leakage remote alarm circuit is used for sending target data obtained after the main control board processes the detection data to a remote monitoring terminal.
Specifically, as shown in fig. 1 and 2, the liquid leakage detection circuit includes a bubble sensor disposed on the cooling pipeline, the bubble sensor is configured to detect a bubble content of the cooling working medium in the cooling pipeline, and the bubble sensor indicates whether a liquid leakage phenomenon exists in the cooling pipeline based on detection data generated by the bubble content. The automatic leakage shutoff circuit comprises an electromagnetic valve which is arranged close to a liquid inlet of the VPX liquid cooling case.
The system in this application is applied to the weeping detecting system of VPX liquid cooling machine case, possesses the real time monitoring function to VPX liquid cooling machine case cooling working medium in the cooling line, can in time discover the weeping trouble, possesses long-range warning and local dual ability of reporting an emergency and asking for help or increased vigilance to the detection information of representing the trouble, is convenient for the intelligent management of VPX liquid cooling machine case. The device has the capability of automatically cutting off the flow of the cooling working medium in the cooling pipeline when liquid leakage occurs, and can reduce the influence of the leakage and overflow of the cooling working medium on equipment to the minimum.
Optionally, the main control board in the application is realized based on a GD32 series domestic ARM microprocessor, and the sensor is an OUD-2M series micro fluid bubble sensor.
In order to realize the function of the main control board for identifying whether the liquid leakage phenomenon occurs, in an alternative embodiment of the present application, the threshold of the amount of change of the bubble is determined in advance. Alternatively, a certain value (e.g., 1%, 0.8%) may be artificially set as the bubble variation threshold according to expert experience or business requirements.
In addition, in other optional embodiments, the number of the board cards of the VPX liquid cooling chassis may also be obtained by monitoring the VPX liquid cooling chassis (the interface provided by the backplane of the VPX liquid cooling chassis is not unique, and a user may adjust the number of the board cards connected to the backplane based on his own needs). Then, the bubble variation threshold is determined based on the number of the board cards, so that the bubble variation threshold is inversely related to the number of the board cards. Under the condition that the number of the board cards in the VPX liquid cooling case is large, if a liquid leakage phenomenon occurs, serious disasters can be caused, and the disasters can be detected in a more sensitive way by reducing the bubble variation threshold value. Optionally, the number of the board cards of the VPX liquid cooling chassis is not more than 50 and not less than 10.
Then, judging whether a liquid leakage phenomenon exists or not based on the bubble variation threshold, and if the variation of the bubble content shown in the detection data is larger than the bubble variation threshold, judging that the liquid leakage phenomenon exists; and if the variation of the bubble content shown in the detection data is not larger than the bubble variation threshold, no liquid leakage phenomenon exists. The board cards in the VPX liquid cooling cabinet inevitably generate heat in the working process, and the quantity of the board cards, the working condition of the board cards and the ambient temperature (the temperature of the environment outside the VPX liquid cooling cabinet) all possibly influence the bubble content of the cooling working medium. In view of this, the method in the application judges whether liquid leakage exists based on the variation of the bubble content, and can avoid interference of factors such as the number of boards, the working conditions of the boards, and the ambient temperature on the judgment of the liquid leakage phenomenon. If the liquid leakage occurs at a certain position of the cooling pipeline, the change of the bubble content variation can occur at the moment of leakage, and the liquid leakage phenomenon can be determined relatively timely by judging whether the liquid leakage phenomenon exists or not through the bubble content variation. Alternatively, the process of determining the amount of change in the bubble may be calculated from historically collected inspection data. Alternatively, the difference between the average value of the bubble contents indicated by the detection data acquired within the history 2 seconds from the current time as the starting point and the bubble content indicated by the detection data acquired at the current time is used as the bubble change amount.
In the further optional embodiment of this application, the system that this application provided except can detecting out the weeping phenomenon of cooling line, can also realize the detection to the weeping phenomenon based on the hardware environment that VPX liquid cooling machine case provided, improves the reuse rate of the hardware of VPX liquid cooling machine case, is favorable to reducing the complexity of VPX liquid cooling machine case.
Specifically, the leakage detection circuit passes through I of the VPX liquid cooling cabinet 2 And the bus C is connected with the main control board, so that the leakage detection circuit does not need to be provided with a data transmission link with the main control board independently. Alternatively, I 2 The C bus is arranged on a back plate of the VPX liquid cooling case.
In addition, the alarm signal generated by the main control board can be a GPIO control signal generated based on a GPIO control architecture of the VPX liquid cooling chassis. In order to realize the cooperation with the GPIO control architecture of the liquid-cooled chassis, in an optional embodiment, the automatic leakage shutdown circuit further includes a solid-state relay disposed on a backplane of the VPX liquid-cooled chassis; when the liquid leakage phenomenon exists, the solid-state relay controls the electromagnetic valve to block the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet under the triggering of the blocking control signal. Optionally, when liquid leakage occurs, a detection algorithm built in the main control board may recognize the fault, and instruct the main control board microprocessor to send a "Valve _ Shutdown" signal (a Valve Shutdown signal) to the on-board solid-state relay, where the solid-state relay is connected to the external control solenoid Valve, and the solid-state relay shuts off the solenoid Valve to prevent external coolant from flowing into the chassis.
Optionally, the main control board is connected to a frame management controller of the VPX liquid-cooled chassis through the liquid leakage remote alarm circuit by using an IPMB bus of the VPX liquid-cooled chassis, so that the frame management controller (ChMC) sends the target data to the remote monitoring terminal. The frame management controller is arranged on the exchange board card of the VPX liquid cooling case, and data transmission with the remote monitoring terminal can be realized by means of the communication capacity provided by the VPX liquid cooling case.
Further, in order to improve the detection accuracy of the liquid leakage detection circuit, in an optional embodiment of the present application, the bubble sensor is a non-invasive sensor, and is enveloped on the outer wall of the cooling pipeline, and the positions of the bubble sensor and the cooling pipeline are relatively fixed, so that the influence of factors such as vibration on the accuracy of the detection data can be avoided. In addition, the system in this application still includes locking mechanical system, the bubble sensor passes through locking mechanical system is fixed on the casing of VPX liquid cooling machine case. Optionally, the bubble sensor is an OUD-2M series microfluidic bubble sensor.
In order to realize the warning function of the alarm, in an optional embodiment of the present application, the leakage local alarm circuit includes: a warning light; the warning signal is a light message emitted by the warning lamp. In another optional embodiment of the present application, the local leakage alarm circuit includes: a buzzer; the alarm signal is a sound message sent by the buzzer. Further, in other alternative embodiments, the leakage local warning circuit may include both the warning lamp and the buzzer.
The system comprises a bubble sensor enveloped on a liquid cooling pipe of a liquid cooling case and used for detecting whether liquid in a pipeline is saturated or not. The main control board based on the microprocessor in the system is used for receiving the sensing information, monitoring the flow-through state of the cooling liquid in real time, reporting the sensing information to a ChMC (sessions Management Controller) of the server in real time through an IPMB (Intelligent Platform Management Bus) by adopting a standard IPMI (Intelligent Platform Management Interface) protocol, and monitoring the flow-through state of the cooling liquid in a remote way. And driving the equipment panel alarm indicator lamp and the buzzer to work for local monitoring. The electromagnetic valve connected in series with the liquid inlet of the liquid cooling case receives the instruction of the controller (microprocessor) when reaching a specific fault degree, closes the inlet in time and cuts off the inflow of external cooling liquid. The alarm device comprises an alarm indicator light and a buzzer which are arranged on a panel of the equipment, and sound and light alarm is given out when a fault occurs.
Aiming at the local alarm mode, an ADC1 pin of the microprocessor GD32 of the main control panel is connected with a red LED alarm lamp, and when liquid leakage occurs, the pin is set to be in a low level by the microcontroller, and the red LED alarm lamp is lightened. The ADC2 pin of the main control panel microprocessor GD32 is connected with a buzzer, when liquid leakage occurs, the pin is set to be in a low level by the microcontroller, and the buzzer sounds continuously. And the liquid leakage acousto-optic alarm of the local end is realized.
Aiming at a remote alarm mode, the bubble sensor transmits a fluid flow signal to a microprocessor of a main control panel, processing is completed in the microprocessor, and the microprocessor reports the information to a ChMC controller of a case through an IPMB bus for a remote monitoring terminal to use. A schematic diagram (main control board portion) of a remote alarm circuit based on GD32 is shown in fig. 3a and 3 b.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a be applied to weeping detecting system of VPX liquid cooling machine case which characterized in that, the system includes:
a liquid leakage detection circuit configured to: detecting whether a cooling pipeline of the VPX liquid cooling cabinet has a liquid leakage phenomenon or not; the liquid leakage detection circuit comprises a bubble sensor arranged on the cooling pipeline, the bubble sensor is used for detecting the bubble content of the cooling working medium in the cooling pipeline, and the bubble sensor indicates whether the liquid leakage phenomenon exists in the cooling pipeline or not based on detection data generated by the bubble content;
a leakage automatic shut-off circuit configured to: when the liquid leakage phenomenon exists in the cooling pipeline, blocking the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet; the automatic leakage shutoff circuit comprises an electromagnetic valve arranged close to a liquid inlet of the VPX liquid cooling case;
a main control board configured to: receiving detection data of the liquid leakage detection circuit, and judging whether the cooling pipeline has a liquid leakage phenomenon or not based on the detection data; when the liquid leakage phenomenon exists, a blocking control signal is generated and sent to the liquid leakage automatic turn-off circuit, so that the electromagnetic valve blocks the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet under the triggering of the blocking control signal;
a leakage local warning circuit configured to: generating alarm information under the triggering of an alarm signal sent by the main control board, and locally displaying the alarm information in the system; wherein, the alarm signal is generated by the main control board when a liquid leakage phenomenon exists;
a liquid leakage remote alert circuit configured to: sending target data obtained after the main control board processes the detection data to a remote monitoring terminal;
wherein the main control board is further configured to: and when judging whether the cooling pipeline has a liquid leakage phenomenon or not based on the detection data, executing: determining the content of bubbles in the cooling working medium based on the detection data; judging whether the variation of the bubble content is larger than a bubble variation threshold value or not; if yes, determining that a liquid leakage phenomenon exists; if not, determining that no liquid leakage phenomenon exists.
2. The system of claim 1, wherein the bubble variation threshold is 1%; or the bubble variation threshold is inversely related to the number of the board cards contained in the VPX liquid cooling case.
3. The system of claim 1, comprising at least one of:
the leakage detection circuit passes through I of the VPX liquid cooling case 2 The bus C is connected with the main control board;
the alarm signal is a GPIO control signal.
4. The system of claim 1, comprising at least one of:
the local liquid leakage alarm circuit comprises: a warning light; the warning signal is light information emitted by the warning lamp;
the local liquid leakage alarm circuit comprises: a buzzer; the alarm signal is a sound message sent by the buzzer.
5. The system of claim 1, wherein the bubble sensor is a non-invasive sensor that wraps around an outer wall of the cooling tube; and/or the system further comprises a locking mechanism, and the bubble sensor is fixed on the shell of the VPX liquid cooling case through the locking mechanism.
6. The system of claim 1, wherein the main control board is connected to the shelf management controller of the VPX liquid-cooled chassis via the remote leakage alarm circuit using an IPMB bus of the VPX liquid-cooled chassis, such that the shelf management controller sends the target data to the remote monitoring terminal.
7. The system of claim 1, wherein the automatic blow-by shutdown circuit further comprises a solid state relay disposed on a backplane of the VPX liquid-cooled chassis; when the liquid leakage phenomenon exists, the solid-state relay controls the electromagnetic valve to block the cooling working medium outside the liquid cooling cabinet from flowing into the liquid cooling cabinet under the triggering of the blocking control signal.
8. The VPX liquid cooling cabinet is characterized by comprising:
a board card and the leakage detection system applied to the VPX liquid cooling case as claimed in any one of claims 1 to 7;
the cooling pipeline is internally provided with a cooling working medium and is used for cooling the VPX liquid cooling cabinet; the cooling pipeline comprises a liquid inlet.
9. The VPX liquid cooled chassis of claim 8 comprising IPMB bus comprising IPMB _ SCL and IPMB _ SDA, GD32 clock with frequency of 8MHz, and BOOT pin termination resistor with resistance of 4.7K Ω.
10. The VPX liquid cooled chassis of claim 9, wherein the number of board cards ranges from 10 to 50.
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| CN202211092533.8A CN115165231A (en) | 2022-09-08 | 2022-09-08 | Leakage detection system applied to VPX liquid cooling case |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0736000U (en) * | 1993-12-17 | 1995-07-04 | 株式会社中山製鋼所 | Cooling water leakage detection device for water cooling panel of electric furnace wall |
| US6772598B1 (en) * | 2002-05-16 | 2004-08-10 | R.S. Services, Inc. | Refrigerant leak detection system |
| US20090148800A1 (en) * | 2007-12-05 | 2009-06-11 | Berry Metal Company | Furnace panel leak detection system |
| US20160205810A1 (en) * | 2016-03-21 | 2016-07-14 | Sam A Marshall | Inherently leak free liquid cooling of equipment |
| CN207094202U (en) * | 2017-08-21 | 2018-03-13 | 张嘉睿 | A kind of indoor water-leakage monitoring, alarming and control device |
| CN207608568U (en) * | 2017-11-28 | 2018-07-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of blast-furnace distributor cooling water pipeline ball valve long-range wireless remote control disconnecting device |
| CN211083642U (en) * | 2019-10-18 | 2020-07-24 | 杭州利华科技有限公司 | Gas-liquid dual-purpose medical equipment pipeline leakage detection device |
| CN113324182A (en) * | 2021-06-17 | 2021-08-31 | 鹏举环保无锡有限公司 | Control system and method for monitoring leakage of water system |
| CN114252204A (en) * | 2020-09-21 | 2022-03-29 | 华为技术有限公司 | Node and electronic equipment |
| CN114901044A (en) * | 2022-05-19 | 2022-08-12 | 北京无线电测量研究所 | Cold plate type liquid cooling case |
-
2022
- 2022-09-08 CN CN202211092533.8A patent/CN115165231A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0736000U (en) * | 1993-12-17 | 1995-07-04 | 株式会社中山製鋼所 | Cooling water leakage detection device for water cooling panel of electric furnace wall |
| US6772598B1 (en) * | 2002-05-16 | 2004-08-10 | R.S. Services, Inc. | Refrigerant leak detection system |
| US20090148800A1 (en) * | 2007-12-05 | 2009-06-11 | Berry Metal Company | Furnace panel leak detection system |
| US20160205810A1 (en) * | 2016-03-21 | 2016-07-14 | Sam A Marshall | Inherently leak free liquid cooling of equipment |
| CN207094202U (en) * | 2017-08-21 | 2018-03-13 | 张嘉睿 | A kind of indoor water-leakage monitoring, alarming and control device |
| CN207608568U (en) * | 2017-11-28 | 2018-07-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of blast-furnace distributor cooling water pipeline ball valve long-range wireless remote control disconnecting device |
| CN211083642U (en) * | 2019-10-18 | 2020-07-24 | 杭州利华科技有限公司 | Gas-liquid dual-purpose medical equipment pipeline leakage detection device |
| CN114252204A (en) * | 2020-09-21 | 2022-03-29 | 华为技术有限公司 | Node and electronic equipment |
| CN113324182A (en) * | 2021-06-17 | 2021-08-31 | 鹏举环保无锡有限公司 | Control system and method for monitoring leakage of water system |
| CN114901044A (en) * | 2022-05-19 | 2022-08-12 | 北京无线电测量研究所 | Cold plate type liquid cooling case |
Non-Patent Citations (3)
| Title |
|---|
| KUMAGAI, H等: "Development of active acoustic method for water leak detection of LMFBR steam generators bubble detection experiments in-water", 《JOURNAL OF THE ATOMIC ENERGY SOCIETY OF JAPAN》 * |
| 孙悦等: "气泡传感器的研制", 《物理实验》 * |
| 祁德丽等: "泵站水冷系统漏液报警器设计", 《江苏水利》 * |
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