CN111610360A - Main controller, solid state disk, power consumption detection module and detection method - Google Patents
Main controller, solid state disk, power consumption detection module and detection method Download PDFInfo
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Abstract
The embodiment of the invention provides a main controller, a solid state disk, a power consumption detection module and a detection method, and relates to the technical field of control. The main controller is applied to the solid state disk, the solid state disk comprises a power supply and a sampling unit, the main controller comprises a detection processing unit and a processor, and the power supply, the sampling unit, the detection processing unit and the processor are electrically connected in sequence. The detection processing unit receives the voltage sampling signal transmitted by the sampling unit, processes the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and alternately transmits the voltage detection signal and the current detection signal to the processor; the voltage sampling signal is acquired by the sampling unit through the power supply; the processor calculates the power consumption of the solid state disk according to the voltage detection signal and the current detection signal, and controls the temperature and the service of the solid state disk according to the power consumption. The main controller, the solid state disk, the power consumption detection module and the detection method provided by the invention can ensure the long-term reliability of the solid state disk.
Description
Technical Field
The invention relates to the technical field of control, in particular to a main controller, a solid state disk, a power consumption detection module and a detection method.
Background
The volume of the existing solid state disk tends to be more and more miniaturized, and higher requirements are provided for power consumption, heat dissipation and performance. At present, aiming at the balance between the performance and the temperature of a solid state disk, a common method is to detect the temperatures of a main control and a Flash (Flash Memory) of the solid state disk and perform frequency reduction or power gating according to the temperatures to reduce the performance and the power consumption. Meanwhile, the adaptability to different application scenarios (e.g., different sizes of spaces, different air flow speeds, and different heat dissipation adjustments) is also low, and each scenario requires a lot of manpower, material resources, and time to debug and test, which is inefficient and ineffective.
Disclosure of Invention
In view of this, the present invention provides a main controller, a solid state disk, a power consumption detection module and a detection method, which can ensure long-term reliability and stable performance of the solid state disk.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a main controller, which is applied to a solid state disk, where the solid state disk includes a sampling unit, the main controller includes a detection processing unit and a processor, the sampling unit, the detection processing unit and the processor are electrically connected in sequence, and the sampling unit is further electrically connected to a power supply;
the detection processing unit is used for receiving the voltage sampling signal transmitted by the sampling unit, processing the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and then alternately transmitting the voltage detection signal and the current detection signal to the processor; the voltage sampling signal is acquired by the sampling unit through the power supply;
the processor is used for calculating the power consumption of the solid state disk according to the voltage detection signal and the current detection signal and controlling the temperature and the service of the solid state disk according to the power consumption.
In a second aspect, an embodiment of the present invention provides a solid state disk, including a sampling unit and the main controller in the first aspect.
In a third aspect, an embodiment of the present invention provides a power consumption detection module, which is applied to a solid state disk, and the solid state disk further includes a main controller, where the main controller includes a processor, the voltage and current detection unit includes a sampling unit and a detection processing unit, the sampling unit, the detection processing unit, and the processor are electrically connected in sequence, and the sampling unit is further electrically connected to a power supply;
the sampling unit is used for acquiring a voltage sampling signal through the power supply and transmitting the voltage sampling signal to the detection processing unit;
the detection processing unit is used for processing the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and alternately transmitting the voltage detection signal and the current detection signal to the processor, so that the processor is used for calculating the power consumption of the solid state disk according to the voltage detection signal and the current detection signal, and adjusting the temperature and the service of the solid state disk according to the power consumption.
In a fourth aspect, an embodiment of the present invention provides a solid state disk, including a main controller and the power consumption detection module of the third aspect.
In a fifth aspect, an embodiment of the present invention provides a detection method, which is applied to a main controller, where the main controller is applied to a solid state disk, the solid state disk includes a sampling unit and a temperature acquisition unit, the main controller includes a detection processing unit and a processor, the sampling unit, the detection processing unit and the processor are electrically connected in sequence, the sampling unit is further electrically connected to a power supply, and the processor is further electrically connected to the temperature acquisition unit, where the method includes:
when the solid state disk runs different services, acquiring the power consumption and the temperature of each service at different running moments; the power consumption is obtained by converting a voltage detection signal and a current detection signal which are obtained by the detection processing unit according to the voltage sampling signal provided by the sampling unit, and the temperature is provided by the temperature acquisition unit;
generating a power consumption temperature trend table of the solid state disk according to the power consumption and temperature information; the power consumption temperature trend table is used for representing the corresponding relation between the power consumption and the temperature information;
and controlling the temperature and the service of the solid state disk according to the power consumption temperature trend table.
According to the main controller, the solid state disk, the power consumption detection module and the detection method provided by the embodiment of the invention, the voltage sampling signal transmitted by the sampling unit is received through the detection processing unit, the voltage sampling signal is processed to obtain the voltage detection signal and the current detection signal, and then the voltage detection signal and the current detection signal are alternately transmitted to the processor; the processor calculates the power consumption of the solid state disk according to the voltage detection signal and the current detection signal, and controls the temperature and the service of the solid state disk according to the power consumption. Therefore, by calculating the power consumption of the solid state disk and controlling the temperature and the service of the solid state disk according to the power consumption, the power consumption of the solid state disk can be controlled qualitatively and quantitatively, and the long-term reliability and the stable performance of the solid state disk are ensured. Meanwhile, because the voltage sampling signal acquired by the sampling unit is a real-time monitoring signal, the power consumption of the solid state disk is also a real-time value, so that the power consumption of the corresponding application scene can be automatically calculated for different application scenes, and the temperature and performance balance self-adaptation of the solid state disk in different application scenes can be realized.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 illustrates a schematic structural diagram of a solid state disk according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a main controller according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another master controller according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of another solid state disk provided in the embodiment of the present invention;
fig. 5 is a schematic structural diagram illustrating a power consumption detection module according to an embodiment of the present invention;
fig. 6 is a schematic flow chart illustrating a detection method according to an embodiment of the present invention.
Icon: 100-solid state disk; 110 — a master controller; 111-a detection processing unit; 1111-operational amplifier; 1112-a voltage divider circuit; 1113-analog-to-digital converter; 1114-a selection circuit; 112-a processor; 120-a sampling unit; 130-a power supply; 140-a temperature acquisition unit; 150-a power consumption detection module; 160-front-end interface; 170-flash; r1 — first resistance; r2 — second resistance; r3-third resistance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In order to guarantee the long-term reliability and stable performance of the solid state disk and different application scenes of the self-adaptive solid state disk, the application provides that the power consumption of the solid state disk can be controlled qualitatively and quantitatively by detecting the power consumption of the solid state disk and controlling the temperature and the service of the solid state disk according to the power consumption of the solid state disk, so that the long-term reliability and stable performance of the solid state disk are guaranteed.
The application scenarios of the solid state disk can be as follows: the solid state disk is applied to a mobile device, the solid state disk is applied to a desktop computer, the solid state disk is applied to a server, and the solid state disk is applied to windy, windless, high latitude, low latitude and other scenes.
One embodiment of the scheme for detecting the power consumption of the solid state disk provided by the application is as follows: referring to fig. 1, a schematic diagram of an implementable structure of a solid state disk 100 is shown, where the solid state disk 100 includes a main controller 110 and a sampling unit 120, the main controller 110 includes a detection processing unit 111 and a processor 112, and a power supply 130, the sampling unit 120, the detection processing unit 111, and the processor 112 are electrically connected in sequence.
In this embodiment, the detection processing unit 111 is configured to receive the voltage sampling signal transmitted by the sampling unit 120, process the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and transmit the voltage detection signal and the current detection signal to the processor 112 alternately; the voltage sampling signal is obtained by the sampling unit 120 through the power supply 130. The processor 112 is configured to calculate power consumption of the solid state disk 100 according to the voltage detection signal and the current detection signal, and control temperature and service of the solid state disk 100 according to the power consumption.
The power supply 130 may be integrated in the solid state disk 100, or may be integrated in the main controller 110, which is not limited herein. For convenience of description, the power supply 130 shown in fig. 1 is integrated in the solid state disk 100, and the power supply 130 supplies power to all devices and operating modules in the solid state disk 100, so that the sampling unit 120 obtains a voltage sampling signal provided by the power supply 130, and thus a voltage signal required by the solid state disk 100 as a whole during operation can be obtained. The service can be understood as a functional matter that the solid state disk 100 can implement, the service capability that the solid state disk 100 can perform when in operation can represent the performance of the solid state disk 100, and if the number of services that the solid state disk 100 can perform simultaneously is larger, the performance of the solid state disk 100 is better. For example, the solid state disk 100 can implement functional matters such as 4K random read/write, 1M sequential read/write, and hybrid read/write, which can all be understood as services. The voltage sampling signal is an analog signal, the voltage detection signal and the current detection signal are digital signals, and the detection processing unit 111 may convert the analog signal into the digital signal for processing by the processor 112.
The specific principle of the processor 112 calculating the power consumption of the solid state disk 100 according to the voltage detection signal and the current detection signal may be as follows: the processor 112 averages the voltage values corresponding to the voltage detection signals for multiple times to obtain an average voltage; solving a root mean square value of current values corresponding to the current detection signals for multiple times to obtain effective current; and multiplying the average voltage and the effective current to obtain the power consumption of the solid state disk 100.
The average voltage can be calculated using the following formula:
Vmean＝(V0+V1+V2+…+VN)/N；
wherein Vmean represents an average voltage, V0Indicates the voltage value, V, corresponding to the voltage detection signal first obtained by the processor 1121Indicates the voltage value, V, corresponding to the voltage detection signal obtained by the processor 112 for the second time2Indicates the voltage value, V, corresponding to the voltage detection signal acquired by the processor 112 for the third timeNIndicating that the voltage detection signal acquired by the processor 112 at the N +1 th time corresponds toThe voltage value, N, represents the number of times the processor 112 acquires the voltage detection signal.
The effective current can be calculated using the following formula:
Irms＝((I0 2+I1 2+I2 2+…+IN 2)/N)＾0.5；
where Irms denotes the effective current, I0Indicates the current value, I, corresponding to the current detection signal first obtained by the processor 1121Indicates the current value, I, corresponding to the current detection signal obtained by the processor 112 for the second time2Indicates the current value, I, corresponding to the current detection signal obtained by the processor 112 for the third timeNIndicating the current value corresponding to the current detection signal acquired by the processor 112 at the (N + 1) th time.
In this embodiment, the detection processing unit 111 for measuring the voltage and the current of the solid state disk 100 in real time is integrated in the main controller 110, that is, the power consumption measurement scheme of the solid state disk 100 is integrated into the main controller 110, and other test environments and devices are not required, so that data is accurate and convenient, and the cost of peripheral devices of the main controller 110 can be reduced, so that the circuit of the solid state disk 100 is simpler and the volume is smaller.
As shown in fig. 1, the solid state disk 100 further includes a temperature acquisition unit 140, and the temperature acquisition unit 140 is electrically connected to the processor 112. The processor 112 is further configured to obtain power consumption and temperature of each service at different operation time when the solid state disk 100 operates different services; wherein the temperature is collected by the temperature collecting unit 140. The processor 112 is further configured to generate a power consumption temperature trend table of the solid state disk 100 according to the power consumption and the temperature; the power consumption temperature trend table is used for representing the corresponding relation between power consumption and temperature information; the processor 112 is further configured to control the temperature and the traffic of the solid state disk 100 according to the power consumption temperature trend table. The temperature acquisition unit 140 may employ a temperature sensor.
It can be understood that before the solid state disk 100 actually works in a certain application scenario, the solid state disk 100 may sequentially run each service, and when different services are run, obtain power consumption and temperature corresponding to different running times of each service according to a preset time interval, until the temperature of the solid state disk 100 is balanced due to running each service, end the running service, and run the next service.
Specifically, when the solid state disk 100 is powered on and normally works in an application scene, if the temperature and the power consumption of the solid state disk 100 in the current application scene are in a low level state (also called Idle state), the main controller 110 automatically or manually triggers the power consumption temperature scanning of the solid state disk 100, and the main controller 110 or the host controls the solid state disk 100 to operate services (such as 4K random read/write, 1M sequential read/write and hybrid read/write). The power consumption of the solid state disk 100 may increase to a certain level along with the operation of the service, the temperatures of the main controller 110 and the flash170 of the solid state disk 100 may also gradually increase along with the time, and the temperatures on the solid state disk 100 may tend to be balanced along with the heat exchange balance, in this process, the power consumption and the temperature generated when the solid state disk 100 operates the current service may be recorded according to a preset time interval (for example, 10 seconds), and a power consumption temperature trend table is generated, in which the relationship among the power consumption, the temperature and the time of the current service is recorded. When the current service is operated to enable the temperature on the solid state disk 100 to tend to be balanced, stopping the current service, selecting another service to operate when the temperature of the solid state disk 100 is reduced to be stable, recording the relation between the temperature and the power consumption generated in the operation process of the other service and the time into a power consumption temperature trend table, and stopping the other service until the temperature on the solid state disk 100 tends to be balanced when the other service is operated; if other services do not perform power consumption temperature scanning, recording the relation among the power consumption, the temperature and the time of the services which do not perform power consumption temperature scanning into a power consumption temperature trend table according to the operation; and if all the services are subjected to power consumption temperature scanning, indicating that the power consumption temperature scanning is finished, and stopping running all the services.
Please refer to table 1, which is an example of a power consumption temperature trend table provided in the present application.
TABLE 1
It should be understood that table 1 is only data illustrating temperature and power consumption corresponding to part of services of the solid state disk 100, and other services may also be available in practical use, which is not limited herein.
In this embodiment, after the power consumption temperature trend table is generated, in the actual operation of the solid state disk 100, the processor 112 is further configured to obtain the current temperature of the solid state disk 100, which is acquired by the temperature acquisition unit 140; the processor 112 is further configured to, when the current temperature exceeds the preset safety threshold, find a target service according to the power consumption temperature trend table, and control the target service to stop running, so as to control the temperature of the solid state disk 100 to be lower than the preset safety threshold; the temperature generated by the target service is the minimum temperature of all temperatures which are greater than or equal to a target value, and the target value is the difference value between the current temperature and a preset safety threshold value.
It can be understood that, if the specification of the used chip of the solid state disk 100 requires that the operating temperature is not more than 120 ℃, the preset safety threshold is 120 ℃. The target service may be one or more of the services currently running on the solid state disk 100. The case where the target service is one of the services currently running on the solid state disk 100 is as follows: if the current temperature is 10 deg.c higher than the preset safety threshold, the target value corresponds to 10 deg.c. The processor 112 finds and obtains that the temperature generated by the service A at the current running time is 12 ℃, the temperature generated by the service B at the current running time is 20 ℃, and the temperature generated by the service C at the current running time is 30 ℃ according to the power consumption temperature trend table; the service a is determined as the target service because the temperature generated at the current operation time of the service a is the minimum temperature of all temperatures greater than the target value. The case that the target service is a plurality of services currently running on the solid state disk 100 is as follows: if the current temperature is higher than the preset safety threshold value by 10 ℃, the processor 112 finds out that the temperature generated at the current operation time of the service A is 12 ℃, the temperature generated at the current operation time of the service B is 20 ℃, the temperature generated at the current operation time of the service C is 30 ℃, the temperature generated at the current operation time of the service D is 5 ℃, the temperature generated at the current operation time of the service E is 6 ℃, and the sum of the temperatures generated at the current operation times of the service D and the service E is the minimum temperature of all the temperatures which are larger than the target value, so the service D and the service E are judged as the target service. By determining the target service, it can be ensured that the maximum number of services are started under the condition that the preset safety threshold is not exceeded, so that the performance of the solid state disk 100 is in the best state.
When the current temperature does not exceed the preset safety threshold, the processor 112 may further perform power consumption control limitation according to the power consumption temperature trend table to ensure that the temperature of the solid state disk 100 does not exceed the preset safety threshold. If the specification of the chip used by the solid state disk 100 requires that the operating temperature is not higher than 80 ℃, the preset safety threshold is 80 ℃. According to the data in table 1, it can be obtained that the operation of many services of the solid state disk 100 can cause the temperature of the solid state disk 100 to exceed the preset safety threshold, if the solid state disk 100 currently performs a service written in the 1M sequence, the processor 112 can determine, according to the currently performed service type and the power consumption temperature trend table, that the temperature of the solid state disk 100 will exceed the preset safety threshold when the service written in the 1M sequence is operated for 40 seconds, the processor 112 can first operate the service written in the 1M sequence, and until it is detected that the temperature of the solid state disk 100 exceeds 70 ℃, the processor 112 can switch the service written in the 1M sequence to the service written in the 1M sequence, that is, adjust to the limited performance 1 gear; when the temperature of the solid state disk 100 is detected to exceed 75 ℃, the processor 112 switches the 1M sequential write 1 service to the 1M sequential write 2 service, that is, adjusts to the performance limit level 2; when the temperature of the solid state disk 100 is detected to exceed 78 ℃, the processor 112 switches the 1M sequential write 2 service to the 1M sequential write 3 service, that is, adjusts to a performance limit level 3; when the temperature of the solid state disk 100 is detected to exceed 80 ℃, the processor 112 switches the 1M sequential write 3 service to the 1M sequential write 4 service, that is, adjusts to the performance limit 4. Through dynamic service switching, the temperature of the solid state disk 100 can be smoothly realized not to exceed a preset safety threshold, and severe fluctuation of the performance of the solid state disk 100 is avoided.
It can be seen that, because the main controller 110 can automatically obtain the power consumption and the temperature of the solid state disk 100, no matter which application scenario the solid state disk 100 is applied to, the solid state disk 100 can automatically adapt to different application scenarios to achieve the optimal performance and reliability of the solid state disk 100, and the temperature exceeding or performance deviation caused by individual characteristic differences of the solid state disk 100, the main controller 110, the flash170, and the like can also be achieved.
Electronic products are positioned and maintained in a defective production mode, wherein short circuits of circuits occupy a high proportion, and power consumption of individual solid state disks 100 with normal functions is much higher than an average value. Meanwhile, the solid state disk 100 of good product after shipment may have abnormal power consumption increase before functional failure along with aging, fatigue or early failure of the device during use.
In order to solve the above problem, the processor 112 is further configured to match the power consumption with a preset safe power consumption range, and if the power consumption is not within the preset safe power consumption range, determine that the solid state disk 100 is a defective product.
It can be understood that suspected defective products with normal functions and high power consumption, which appear during factory production, can be quickly identified by using the detected power consumption of the solid state disk 100, so that the yield after shipment is improved. And the defective products with abnormally high power consumption in the short circuit of the circuit can be quickly screened, positioned and maintained, so that the labor cost is saved and the production yield is improved. And power consumption monitoring can be performed on the good products, and if the abnormal rise of the power consumption of the solid state disk 100 is found, the early warning user performs data backup and hard disk replacement to avoid data loss.
As shown in fig. 1, the solid state disk 100 further includes a front-end interface 160, the front-end interface 160 is electrically connected to the power supply 130 through the sampling unit 120, and the front-end interface 160 is further electrically connected to the main controller 110. The front-end interface 160 may provide power to the power supply 130, and may also receive measurement data such as voltage detection signals, current detection signals, power consumption, and temperature acquired by the main controller 110. The front-end interface 160 may also put the measurement data such as the voltage detection signal, the current detection signal, the power consumption, and the temperature into the s.m.a.r.t (Self-Monitoring, Analysis, and Reporting Technology) so that the tester may record the measurement data, and the front-end interface 160 may also transmit the measurement data such as the voltage detection signal, the current detection signal, the power consumption, and the temperature to the host through interfaces such as JTAG (Joint Test action group) or serial ports.
Further, the solid state disk 100 may further include a flash170, the main controller 110 is electrically connected to the flash170, and the main controller 110 is configured to store measurement data such as a voltage detection signal, a current detection signal, power consumption, and temperature in the flash170, and may also store an operation code in the flash 170. The Flash170 may employ Nandflash 170.
It should be understood that the structure shown in fig. 1 is only a schematic structural diagram of the solid state disk 100, and the solid state disk 100 may further include more or fewer components than those shown in fig. 1, or have a different configuration than that shown in fig. 1.
Referring to fig. 2, which is a schematic diagram of an implementation of the main controller 110 shown in fig. 1, the detection processing unit 111 of the main controller 110 includes an operational amplifier 1111, a voltage dividing circuit 1112, and an analog-to-digital converter 1113, the sampling unit 120, the operational amplifier 1111, the analog-to-digital converter 1113, and the processor 112 are electrically connected in sequence, and the sampling unit 120 is electrically connected to the analog-to-digital converter 1113 through the voltage dividing circuit 1112.
In this embodiment, the operational amplifier 1111 is configured to convert the voltage sampling signal to obtain a current sampling signal, amplify the current sampling signal to obtain a current analog signal, and transmit the current analog signal to the analog-to-digital converter 1113; the voltage dividing circuit 1112 is configured to divide the voltage sampling signal to obtain a voltage analog signal, and transmit the voltage analog signal to the analog-to-digital converter 1113; the analog-to-digital converter 1113 is configured to perform analog-to-digital conversion on the current analog signal and the voltage analog signal to obtain a voltage detection signal and a current detection signal, and alternately transmit the voltage detection signal and the current detection signal to the processor 112.
It is understood that the operational amplifier 1111 is further electrically connected to the processor 112, the processor 112 is configured to send a gain selection instruction to the operational amplifier 1111, and the operational amplifier 1111 determines a target gain according to the gain selection instruction and performs a method processing on the voltage sampling signal according to the target gain. The operational amplifier 1111 performs a signal processing method on the voltage, and can improve the measurement accuracy of the analog-to-digital converter 1113. The operational amplifier 1111 may be a differential operational amplifier 1111.
The voltage divider 1112 includes a first resistor R1 and a second resistor R2, the sampling unit 120 is electrically connected to the analog-to-digital converter 1113 through the first resistor R1, one end of the second resistor R2 is electrically connected between the first resistor R1 and the analog-to-digital converter 1113, and the other end of the second resistor R2 is grounded. The first resistor R1 and the second resistor R2 divide the voltage sampling signal, so that the analog-to-digital converter 1113 can avoid the over-range phenomenon.
The analog-to-digital converter 1113 has an analog switch integrated therein, and can transmit the current detection signal and the voltage detection signal to the processor 112 in a time-sharing manner. And analog-to-digital converter 1113 may employ an analog-to-digital converter 1113 having a sampling rate of greater than 1Msps with a resolution of 14 bits or higher.
The sampling unit 120 includes a third resistor R3, the front-end interface 160 is electrically connected to the power supply 130 through the third resistor R3, the non-inverting input terminal of the operational amplifier 1111 is electrically connected between the third resistor R3 and the front-end interface 160, and the inverting input terminal of the operational amplifier 1111 is electrically connected between the third resistor R3 and the power supply 130.
The processor 112 obtains a current value corresponding to the current detection signal according to the current detection signal provided by the analog-to-digital converter 1113 by using the following formula:
I＝D﹡Vref/{(2＾n-1)﹡Rsense﹡AGain}；
wherein, I is a current value corresponding to the current detection signal, D is a sampling value of the ADC 1113, Vref is a reference voltage of the ADC 1113, Rsense is a resistance value of the sampling unit 120, and A isGainN is the number of bits of the analog-to-digital converter 1113 for the target gain of the operational amplifier 1111.
The processor 112 obtains a voltage value corresponding to the voltage detection signal according to the voltage detection signal provided by the analog-to-digital converter 1113 by using the following formula:
V＝D﹡Vref/{(2＾n-1)﹡K}；
v is a voltage value corresponding to the voltage detection signal, K is a voltage division ratio of the voltage division unit, K is Rb/(Ra + Rb), Ra is a resistance value of the first resistor R1, and Rb is a resistance value of the second resistor R2.
Referring to fig. 3, which is another implementable structural schematic diagram of the main controller 110 shown in fig. 1, the structural schematic diagram shown in fig. 3 is different from the structural schematic diagram shown in fig. 2 in that the detection processing unit 111 shown in fig. 3 further includes a selection circuit 1114 on the basis of fig. 2, and the analog-to-digital converter 1113 shown in fig. 3 is different from the analog-to-digital converter 1113 shown in fig. 2 in that the analog-to-digital converter 1113 shown in fig. 3 does not have an analog switch and cannot alternately transmit the current detection signal and the voltage detection signal to the processor 112, so the selection circuit 1114 needs to be added to alternately transmit the current analog signal and the current analog signal to the analog-to-digital converter 1113 through the selection circuit 1114 to realize the time-sharing transmission of the current detection signal and the voltage detection signal to the processor 112.
The circuit connection of the main controller 110 shown in fig. 3 is as follows: the sampling unit 120, the operational amplifier 1111, the selection circuit 1114, the analog-to-digital converter 1113 and the processor 112 are electrically connected in sequence, the sampling unit 120 is electrically connected to the selection circuit 1114 through the voltage division circuit 1112, and the selection circuit 1114 is electrically connected to the processor 112.
The operational amplifier 1111 is configured to convert the voltage sampling signal to obtain a current sampling signal, amplify the current sampling signal to obtain a current analog signal, and transmit the current analog signal to the selection circuit 1114; the voltage dividing circuit 1112 is configured to divide the voltage sampling signal to obtain a voltage analog signal, and transmit the voltage analog signal to the selection circuit 1114; the selection circuit 1114 is configured to alternately transmit the current analog signal and the voltage analog signal to the analog-to-digital converter 1113 under the control of the processor 112; the analog-to-digital converter 1113 is configured to perform analog-to-digital conversion on the current analog signal and the voltage analog signal to obtain a voltage detection signal and a current detection signal, and transmit the voltage detection signal and the current detection signal to the processor 112.
It is understood that the selection circuit 1114 may employ an alternative analog switch. The current analog signal and the current analog signal are alternately transmitted to the analog-to-digital converter 1113 through the selection circuit 1114, so that the current detection signal and the voltage detection signal are transmitted to the processor 112 in a time-sharing manner.
In this embodiment, the main controller 110 may also directly store the current detection signal and the voltage detection signal provided by the analog-to-digital converter 1113 into an SRAM (Static Random-Access Memory) or a DRAM (Dynamic Random-Access Memory) by using a DMA (Direct Memory Access) or a register.
Referring to fig. 4, which is a schematic diagram of another implementable structure of the solid state disk 100 according to the embodiment of the present invention, the solid state disk 100 shown in fig. 4 is different from the solid state disk 100 shown in fig. 1 in that the detection processing unit 111 is not integrated in the main controller 110, that is, the detection processing unit 111 is configured as a peripheral circuit of the main controller 110.
The solid state disk 100 shown in fig. 4 includes a power supply 130, a main controller 110 and a power consumption detection module 150, the main controller 110 includes a processor 112, the voltage and current detection unit includes a sampling unit 120 and a detection processing unit 111, and the power supply 130, the sampling unit 120, the detection processing unit 111 and the processor 112 are electrically connected in sequence.
The sampling unit 120 is configured to obtain a voltage sampling signal through the power supply 130 and transmit the voltage sampling signal to the detection processing unit 111; the detection processing unit 111 is configured to process the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and transmit the voltage detection signal and the current detection signal to the processor 112 alternately, so that the processor 112 is configured to calculate power consumption of the solid state disk 100 according to the voltage detection signal and the current detection signal, and adjust temperature and service of the solid state disk 100 according to the power consumption.
Since the processor 112 obtains the voltage detection signal and the current detection signal to calculate the power consumption of the solid state disk 100, and adjusts the temperature and the service of the solid state disk 100 according to the specific operation principle, which is the same as the operation principle of the processor 112 shown in fig. 1, the description is not repeated here.
Since the detection processing unit 111 is only installed at a different position, the composition, connection and function of the detection processing unit 111 are the same as those of the detection processing unit 111 shown in fig. 1, and thus will not be described in detail herein.
In this embodiment, the power consumption detection module 150 may exist in the solid state disk 100 in the form of a circuit module, or may exist in the solid state disk 100 in the form of a chip.
Referring to fig. 5, the processor 112 of the host controller 110 may be electrically connected to the analog-to-digital converter 1113 in the detection processing unit 111 through an interface such as SPI (Serial peripheral interface) or I2C (Inter-Integrated Circuit).
Fig. 6 is a schematic flow chart of a detection method according to an embodiment of the present invention. It should be noted that, the detection method provided in the embodiment of the present invention is not limited by fig. 6 and the following specific sequence, and it should be understood that, in other embodiments, the sequence of some steps in the detection method provided in the embodiment of the present invention may be interchanged according to actual needs, or some steps in the detection method may be omitted or deleted. The detection method can be applied to the main controller 110 shown in fig. 1, and the specific flow shown in fig. 6 will be described in detail below.
Step S101, when the solid state disk runs different services, acquiring the power consumption and the temperature of each service at different running time; the power consumption is obtained by converting a voltage detection signal and a current detection signal which are obtained by the detection processing unit according to the voltage sampling signal provided by the sampling unit, and the temperature is provided by the temperature acquisition unit.
It is understood that the processor 112 is used for executing the content in step S101.
Step S102, generating a power consumption temperature trend table of the solid state disk according to the power consumption and temperature information; the power consumption temperature trend table is used for representing the corresponding relation between the power consumption and the temperature information.
It is understood that the processor 112 is used for executing the content in step S102.
And step S103, controlling the temperature and the service of the solid state disk according to the power consumption temperature trend table.
It is understood that the processor 112 is used for executing the content in step S103.
In summary, the embodiment of the present invention provides a main controller, a solid state disk, a power consumption detection module and a detection method, where a detection processing unit receives a voltage sampling signal transmitted by a sampling unit, processes the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and then alternately transmits the voltage detection signal and the current detection signal to a processor; the processor calculates the power consumption of the solid state disk according to the voltage detection signal and the current detection signal, and controls the temperature and the service of the solid state disk according to the power consumption. Therefore, by calculating the power consumption of the solid state disk and controlling the temperature and the service of the solid state disk according to the power consumption, the power consumption of the solid state disk can be controlled qualitatively and quantitatively, and the long-term reliability and the stable performance of the solid state disk are ensured. Meanwhile, because the voltage sampling signal acquired by the sampling unit is a real-time monitoring signal, the power consumption of the solid state disk is also a real-time value, so that the power consumption of the corresponding application scene can be automatically calculated for different application scenes, and the temperature and performance balance self-adaptation of the solid state disk in different application scenes can be realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A main controller is characterized by being applied to a solid state disk, wherein the solid state disk comprises a sampling unit, the main controller comprises a detection processing unit and a processor, the sampling unit, the detection processing unit and the processor are sequentially and electrically connected, and the sampling unit is also electrically connected with a power supply;
the detection processing unit is used for receiving the voltage sampling signal transmitted by the sampling unit, processing the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and then alternately transmitting the voltage detection signal and the current detection signal to the processor; the voltage sampling signal is acquired by the sampling unit through the power supply;
the processor is used for calculating the power consumption of the solid state disk according to the voltage detection signal and the current detection signal and controlling the temperature and the service of the solid state disk according to the power consumption.
2. The main controller according to claim 1, wherein the processor is further configured to obtain power consumption and temperature of each service at different operation times when the solid state disk operates different services; the temperature is acquired by a temperature acquisition unit of the solid state disk, and the temperature acquisition unit is electrically connected with the processor;
the processor is further used for generating a power consumption temperature trend table of the solid state disk according to the power consumption and the temperature; the power consumption temperature trend table is used for representing the corresponding relation between the power consumption and the temperature;
the processor is further used for controlling the temperature and the service of the solid state disk according to the power consumption temperature trend table.
3. The main controller according to claim 2, wherein the processor is further configured to obtain a current temperature of the solid state disk collected by the temperature collection unit;
the processor is further configured to search for a target service according to the power consumption temperature trend table when the current temperature exceeds a preset safety threshold, and control the target service to stop running so as to control the temperature of the solid state disk to be lower than the preset safety threshold; the temperature generated by the target service is the minimum temperature of all temperatures which are greater than or equal to a target value, and the target value is the difference value between the current temperature and the preset safety threshold value.
4. The main controller according to claim 1, wherein the processor is further configured to match the power consumption with a preset safe power consumption range, and determine that the solid state disk is a defective product if the power consumption is not within the preset safe power consumption range.
5. The main controller according to claim 1, wherein the detection processing unit includes an operational amplifier, a voltage dividing circuit and an analog-to-digital converter, the sampling unit, the operational amplifier, the analog-to-digital converter and the processor are electrically connected in sequence, and the sampling unit is electrically connected with the analog-to-digital converter through the voltage dividing circuit;
the operational amplifier is used for converting the voltage sampling signal to obtain a current sampling signal, amplifying the current sampling signal to obtain a current analog signal, and transmitting the current analog signal to the analog-to-digital converter;
the voltage division circuit is used for carrying out voltage division processing on the voltage sampling signal to obtain a voltage analog signal and transmitting the voltage analog signal to the analog-to-digital converter;
the analog-to-digital converter is used for performing analog-to-digital conversion on the current analog signal and the voltage analog signal to obtain the voltage detection signal and the current detection signal, and alternately transmitting the voltage detection signal and the current detection signal to the processor.
6. The main controller according to claim 1, wherein the detection processing unit comprises an operational amplifier, a voltage dividing circuit, a selection circuit and an analog-to-digital converter, the sampling unit, the operational amplifier, the selection circuit, the analog-to-digital converter and the processor are electrically connected in sequence, the sampling unit is electrically connected with the selection circuit through the voltage dividing circuit, and the selection circuit is electrically connected with the processor;
the operational amplifier is used for converting the voltage sampling signal to obtain a current sampling signal, amplifying the current sampling signal to obtain a current analog signal, and transmitting the current analog signal to the selection circuit;
the voltage division circuit is used for carrying out voltage division processing on the voltage sampling signal to obtain a voltage analog signal and transmitting the voltage analog signal to the selection circuit;
the selection circuit is used for alternately transmitting the current analog signal and the voltage analog signal to the analog-to-digital converter under the control of the processor;
the analog-to-digital converter is used for performing analog-to-digital conversion on the current analog signal and the voltage analog signal to obtain the voltage detection signal and the current detection signal, and transmitting the voltage detection signal and the current detection signal to the processor.
7. A solid state disk comprising a sampling unit and a master controller according to any one of claims 1 to 6.
8. The power consumption detection module is characterized by being applied to a solid state disk, the solid state disk further comprises a main controller, the main controller comprises a processor, the power consumption detection module comprises a sampling unit and a detection processing unit, the sampling unit, the detection processing unit and the processor are sequentially and electrically connected, and the sampling unit is further electrically connected with a power supply;
the sampling unit is used for acquiring a voltage sampling signal through the power supply and transmitting the voltage sampling signal to the detection processing unit;
the detection processing unit is used for processing the voltage sampling signal to obtain a voltage detection signal and a current detection signal, and alternately transmitting the voltage detection signal and the current detection signal to the processor, so that the processor is used for calculating the power consumption of the solid state disk according to the voltage detection signal and the current detection signal, and adjusting the temperature and the service of the solid state disk according to the power consumption.
9. The power consumption detection module of claim 8, wherein the detection processing unit comprises an operational amplifier, a voltage dividing circuit and an analog-to-digital converter, the sampling unit, the operational amplifier, the analog-to-digital converter and the processor are electrically connected in sequence, and the sampling unit is electrically connected to the analog-to-digital converter through the voltage dividing circuit;
the operational amplifier is used for converting the voltage sampling signal to obtain a current sampling signal, amplifying the current sampling signal to obtain a current analog signal, and transmitting the current analog signal to the analog-to-digital converter;
the voltage division circuit is used for carrying out voltage division processing on the voltage sampling signal to obtain a voltage analog signal and transmitting the voltage analog signal to the analog-to-digital converter;
the analog-to-digital converter is used for performing analog-to-digital conversion on the current analog signal and the voltage analog signal to obtain the voltage detection signal and the current detection signal, and alternately transmitting the voltage detection signal and the current detection signal to the processor.
10. The power consumption detection module of claim 8, wherein the detection processing unit comprises an operational amplifier, a voltage dividing circuit, a selection circuit and an analog-to-digital converter, the sampling unit, the operational amplifier, the selection circuit, the analog-to-digital converter and the processor are electrically connected in sequence, the sampling unit is electrically connected with the selection circuit through the voltage dividing circuit, and the selection circuit is electrically connected with the processor;
the operational amplifier is used for converting the voltage sampling signal to obtain a current sampling signal, amplifying the current sampling signal to obtain a current analog signal, and transmitting the current analog signal to the selection circuit;
the voltage division circuit is used for carrying out voltage division processing on the voltage sampling signal to obtain a voltage analog signal and transmitting the voltage analog signal to the selection circuit;
the selection circuit is used for alternately transmitting the current analog signal and the voltage analog signal to the analog-to-digital converter under the control of the processor;
the analog-to-digital converter is used for performing analog-to-digital conversion on the current analog signal and the voltage analog signal to obtain the voltage detection signal and the current detection signal, and transmitting the voltage detection signal and the current detection signal to the processor.
11. A solid state disk comprising a main controller and a power consumption detection module according to any one of claims 8 to 10.
12. The utility model provides a detection method, its characterized in that is applied to main control unit, main control unit is applied to solid state hard drives, solid state hard drives includes sampling unit and temperature acquisition unit, main control unit includes detection processing unit and treater, sampling unit detection processing unit with the treater electricity is connected in proper order, sampling unit still is connected with the power electricity, the treater still with the temperature acquisition unit electricity is connected, the method includes:
when the solid state disk runs different services, acquiring the power consumption and the temperature of each service at different running moments; the power consumption is obtained by converting a voltage detection signal and a current detection signal which are obtained by the detection processing unit according to the voltage sampling signal provided by the sampling unit, and the temperature is provided by the temperature acquisition unit;
generating a power consumption temperature trend table of the solid state disk according to the power consumption and the temperature; the power consumption temperature trend table is used for representing the corresponding relation between the power consumption and the temperature;
and controlling the temperature and the service of the solid state disk according to the power consumption temperature trend table.
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