Power load power consumption detection circuit
By designing a power load power consumption detection circuit including a motherboard power interface unit and a detection circuit unit, the problem of difficulty in accurately measuring computer dynamic power consumption in the prior art is solved, and efficient and accurate power consumption detection effect is achieved.
Patent Information
- Application Number
- CN202421728567.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The prior art is difficult to accurately measure the dynamic power consumption of a computer under different load conditions, and the detection method is inefficient and prone to human errors.
Design a power load power consumption detection circuit, including the motherboard power interface unit and the detection circuit unit, and realize real-time detection of the power consumption of the computer power supply load through the combination of resistor and field effect tube.
This circuit can accurately and efficiently detect the power consumption of computer power supply, avoid human errors, improve detection efficiency, and has a simple and reliable structure.
Smart Images
Figure CN222979760U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of computer power supply, and particularly relates to a power load power consumption detection circuit. Background Art
[0002] With the continuous expansion of the application scope of the Internet, many operations in people's work and life show an information-based development trend. Under the current background of energy conservation and emission reduction, computer power consumption data has increasingly become a concern for many customers. At present, computer energy consumption in China has occupied a large amount of funds of enterprises, and power consumption has become one of the three major measurement criteria for computer products, alongside performance and cost.
[0003] It is urgent to carry out in-depth research on computer energy-saving technologies. Measuring computer power consumption is the basis for realizing power consumption management. Only on the basis of accurately measuring the real-time dynamic power consumption of a computer in a near-application environment can the management of computer power consumption be carried out. Currently, computer power consumption testing mainly measures the positive power consumption, and detection tools such as PTU are used to apply voltage to different components of the whole machine to detect the maximum power consumption and standby power consumption data of the whole machine, but the dynamic power consumption data of different components under different load ratios of the machine in a near-actual application environment cannot be obtained. Moreover, most of them adopt manual detection methods, which not only waste a lot of time, but also are prone to human errors during the detection process, resulting in inaccurate detection results. Content of the Utility Model
[0004] The technical problem solved by the utility model is to provide a power load power consumption detection circuit with accurate and efficient detection results.
[0005] The utility model provides a power load power consumption detection circuit for detecting the power load power consumption of a computer, including a main board power interface unit and a detection circuit unit. The main board power interface unit includes a main board power interface, a first resistor, and a second resistor. The main board power interface is used for electrically connecting to a main power supply; the first end of the first resistor is electrically connected to the first pin of the main board power interface, and the second end of the first resistor is used for electrically connecting to the power-on button of the computer; the first end of the second resistor is electrically connected to the first end of the first resistor, and the second end of the second resistor is used for electrically connecting to a standby power supply;
[0006] The detection circuit unit includes a third resistor, a fourth resistor, a first field-effect transistor, and a second field-effect transistor. The first end of the third resistor is used to receive the status signal of the main power supply, and the second end of the third resistor is electrically connected to the gate of the first field-effect transistor; the first end of the fourth resistor is electrically connected to the drain of the first field-effect transistor, and the second end of the fourth resistor is electrically connected to the gate of the second field-effect transistor; the source of the first field-effect transistor is grounded; the source of the second field-effect transistor is used to be electrically connected to the standby power supply, and the drain of the second field-effect transistor is used to be electrically connected to the central processing unit of the computer.
[0007] Preferably, the detection circuit unit further includes a fifth resistor. The first end of the fifth resistor is electrically connected to the drain of the first field-effect transistor, and the second end of the fifth resistor is used to be electrically connected to the standby power supply.
[0008] Preferably, the detection circuit unit further includes a first capacitor. The first end of the first capacitor is connected to the second end of the fourth resistor, and the second end of the first capacitor is electrically connected to the second end of the fifth resistor.
[0009] Preferably, the detection circuit unit further includes a sixth resistor. The first end of the sixth resistor is electrically connected to the gate of the second field-effect transistor, and the second end of the sixth resistor is electrically connected to the second end of the fourth resistor. The fourth resistor is electrically connected to the gate of the second field-effect transistor through the sixth resistor.
[0010] Preferably, the detection circuit unit further includes a seventh resistor. The first end of the seventh resistor is electrically connected to the source of the second field-effect transistor, and the second end of the seventh resistor is electrically connected to the second end of the fourth resistor.
[0011] Preferably, the detection circuit unit further includes an eighth resistor. The first end of the eighth resistor is electrically connected to the gate of the first field-effect transistor, and the second end of the eighth resistor is grounded.
[0012] Preferably, the detection circuit unit further includes a zener diode. The anode of the zener diode is electrically connected to the standby power supply, and the cathode of the zener diode is electrically connected to the source of the second field-effect transistor.
[0013] Preferably, the detection circuit unit further includes a second capacitor. The first end of the second capacitor is electrically connected to the source of the second field-effect transistor and is used to be electrically connected to the battery of the motherboard, and the second end of the second capacitor is grounded.
[0014] Preferably, the second to fourth pins of the motherboard power interface are grounded, and the fifth pin of the motherboard power interface is used to be electrically connected to the central processing unit.
[0015] Preferably, the main board power interface unit further includes a ninth resistor. The first end of the ninth resistor is used for electrical connection with a power supply, the second end of the ninth resistor is electrically connected to the sixth pin of the main board power interface, and the sixth pin of the main board power interface is further used for receiving the status signal of the main power supply.
[0016] The utility model has the following beneficial effects: Through the cooperation between the main board power interface unit and the detection circuit unit, the main board power interface unit of the power load power consumption detection circuit of the utility model includes a main board power interface, a first resistor and a second resistor. The main board power interface is used for electrical connection with the main power supply; The first end of the first resistor is electrically connected to the first pin of the main board power interface, and the second end of the first resistor is used for electrical connection with the power-on button of the computer; The first end of the second resistor is electrically connected to the first end of the first resistor, and the second end of the second resistor is used for electrical connection with the standby power supply. Therefore, after the computer is powered on, the main board power interface sends a power-on signal to the central processing unit of the computer, and transmits various signals to the central processing unit through the detection circuit unit, and then the central processing unit controls the overall power load of the power supply so as not to exceed the power consumption standard of the power supply. This circuit has the advantages of accurate detection results, high efficiency and simple and reliable structure. Description of the Drawings
[0017] Figure 1 It is a circuit diagram of the main board power interface unit of the power load power consumption detection circuit of the utility model.
[0018] Figure 2 It is a circuit diagram of the detection circuit unit of the power load power consumption detection circuit of the utility model. Detailed Embodiments
[0019] The following will describe the present utility model in detail with reference to the drawings and embodiments. It should be noted that if there is no conflict, the embodiments of the present utility model and each feature in the embodiments can be combined with each other, and all are within the protection scope of the present utility model.
[0020] Please refer to Figure 1 and Figure 2 , the present utility model provides a power load power consumption detection circuit for detecting the power load power consumption of a computer, including a main board power interface unit and a detection circuit unit. The main board power interface unit includes a main board power interface U, a first resistor R1 and a second resistor R2. The main board power interface U is used for electrical connection with the main power supply. The first end of the first resistor R1 is electrically connected to the first pin of the main board power interface U, and the second end of the first resistor R1 is used for electrical connection with the power-on button of the computer. The first end of the second resistor R2 is electrically connected to the first end of the first resistor R1, and the second end of the second resistor R2 is used for electrical connection with the standby power supply.
[0021] The second to fourth pins of the main board power interface U are grounded, and the fifth pin of the main board power interface U is used for electrical connection with the central processing unit. The eighth to tenth pins of the main board power interface U are connected to a third capacitor C3, and the other end of the third capacitor C3 is grounded. The seventh pin of the main board power interface U is connected to a fourth capacitor C4, and the other end of the fourth capacitor C4 is grounded.
[0022] The main board power interface U unit further includes a ninth resistor R9. The first end of the ninth resistor R9 is used for electrical connection with the power supply, and the second end of the ninth resistor R9 is electrically connected to the sixth pin of the main board power interface U. The sixth pin of the main board power interface U is also used for receiving the status signal of the main power supply.
[0023] The detection circuit unit includes a third resistor R3, a fourth resistor R4, a first field-effect transistor Q1, and a second field-effect transistor Q2. The first end of the third resistor R3 is used for receiving the status signal of the main power supply, and the second end of the third resistor R3 is electrically connected to the gate of the first field-effect transistor Q1. The first end of the fourth resistor R4 is electrically connected to the drain of the first field-effect transistor Q1, and the second end of the fourth resistor R4 is electrically connected to the gate of the second field-effect transistor Q2. The source of the first field-effect transistor Q1 is grounded. The source of the second field-effect transistor Q2 is used for electrical connection with the standby power supply, and the drain of the second field-effect transistor Q2 is used for electrical connection with the central processing unit of the computer. When the first field-effect transistor Q1 and the second field-effect transistor Q2 are turned on, the central processing unit can obtain the signal of the standby power supply in real time.
[0024] The detection circuit unit further includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a first capacitor C1. The first end of the fifth resistor R5 is electrically connected to the drain of the first field-effect transistor Q1, and the second end of the fifth resistor R5 is used for electrical connection with the standby power supply. The first end of the sixth resistor R6 is electrically connected to the gate of the second field-effect transistor Q2, and the second end of the sixth resistor R6 is electrically connected to the second end of the fourth resistor R4. The fourth resistor R4 is electrically connected to the gate of the second field-effect transistor Q2 through the sixth resistor R6.
[0025] The first end of the seventh resistor R7 is electrically connected to the source of the second field-effect transistor Q2, and the second end of the seventh resistor R7 is electrically connected to the second end of the fourth resistor R4, so that the second field-effect transistor Q2 can be protected. The first end of the eighth resistor R8 is electrically connected to the gate of the first field-effect transistor Q1, and the second end of the eighth resistor R8 is grounded, so that the first field-effect transistor Q1 can be protected. The first end of the first capacitor C1 is connected to the second end of the fourth resistor R4, and the second end of the first capacitor C1 is electrically connected to the second end of the fifth resistor R5. Through the first capacitor C1 for filtering, false triggering can be avoided, thus improving the reliability.
[0026] The detection circuit unit further includes a voltage stabilizing diode D and a second capacitor C2. The anode of the voltage stabilizing diode D is electrically connected to the standby power supply, and the cathode of the voltage stabilizing diode D is electrically connected to the source electrode of the second field effect transistor Q2. The first end of the second capacitor C2 is electrically connected to the source electrode of the second field effect transistor Q2 and is used to be electrically connected to the battery of the main board, and the second end of the second capacitor C2 is grounded.
[0027] In summary, through the cooperation between the main board power interface U unit and the detection circuit unit, the main board power interface U unit includes a main board power interface U, a first resistor R1 and a second resistor R2, and the main board power interface U is used to be electrically connected to the main power supply. The first end of the first resistor R1 is electrically connected to the first pin of the main board power interface U, and the second end of the first resistor R1 is used to be electrically connected to the power-on button of the computer. The first end of the second resistor R2 is electrically connected to the first end of the first resistor R1, and the second end of the second resistor R2 is used to be electrically connected to the standby power supply. Therefore, after the computer is powered on, the main board power interface U sends a power-on signal to the central processing unit of the computer, and transmits various signals to the central processing unit through the detection circuit unit, and then the central processing unit controls the overall power load of the power supply so as not to exceed the power consumption standard of the power supply. This circuit has the advantages of accurate detection results, high efficiency and simple and reliable structure.
[0028] The above has introduced in detail the power load power consumption detection circuit provided by the present invention. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. At the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification is only the implementation manner of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is similarly included in the patent protection scope of the present invention and should not be construed as a limitation to the present invention.
Claims
1. A power load power consumption detection circuit, used to detect the power load power consumption of a computer, characterized in that: The invention comprises a mainboard power interface unit and a detection circuit unit, wherein the mainboard power interface unit comprises a mainboard power interface, a first resistor and a second resistor, wherein the mainboard power interface is used to be electrically connected to a main power source; a first end of the first resistor is electrically connected to a first pin of the mainboard power interface, and a second end of the first resistor is used to be electrically connected to a power button of the computer; a first end of the second resistor is electrically connected to a first end of the first resistor, and a second end of the second resistor is used to be electrically connected to a standby power source; The detection circuit unit includes a third resistor, a fourth resistor, a first field effect transistor and a second field effect transistor, wherein the first end of the third resistor is used to receive the status signal of the main power supply, and the second end of the third resistor is electrically connected to the gate of the first field effect transistor; the first end of the fourth resistor is electrically connected to the drain of the first field effect transistor, and the second end of the fourth resistor is electrically connected to the gate of the second field effect transistor; the source of the first field effect transistor is grounded; the source of the second field effect transistor is used to be electrically connected to the standby power supply, and the drain of the second field effect transistor is used to be electrically connected to the central processing unit of the computer.
2. The power load power consumption detection circuit according to claim 1, characterized in that: The detection circuit unit further includes a fifth resistor, a first end of the fifth resistor is electrically connected to the drain of the first field effect transistor, and a second end of the fifth resistor is electrically connected to the standby power supply.
3. The power load power consumption detection circuit as claimed in claim 2, characterized in that: The detection circuit unit further includes a first capacitor, a first end of the first capacitor is connected to the second end of the fourth resistor, and a second end of the first capacitor is electrically connected to the second end of the fifth resistor.
4. The power load power consumption detection circuit as claimed in claim 2, characterized in that: The detection circuit unit also includes a sixth resistor, a first end of the sixth resistor is electrically connected to the gate of the second field effect transistor, a second end of the sixth resistor is electrically connected to the second end of the fourth resistor, and the fourth resistor is electrically connected to the gate of the second field effect transistor through the sixth resistor.
5. The power load power consumption detection circuit as claimed in claim 1, characterized in that: The detection circuit unit further includes a seventh resistor, a first end of the seventh resistor is electrically connected to the source of the second field effect transistor, and a second end of the seventh resistor is electrically connected to the second end of the fourth resistor.
6. The power load power consumption detection circuit as claimed in claim 1, characterized in that: The detection circuit unit further includes an eighth resistor, a first end of the eighth resistor is electrically connected to the gate of the first field effect transistor, and a second end of the eighth resistor is grounded.
7. The power load power consumption detection circuit as claimed in claim 1, characterized in that: The detection circuit unit further includes a voltage regulator diode, an anode of the voltage regulator diode is electrically connected to the standby power supply, and a cathode of the voltage regulator diode is electrically connected to the source of the second field effect transistor.
8. The power load power consumption detection circuit as claimed in claim 7, characterized in that: The detection circuit unit further includes a second capacitor, a first end of the second capacitor is electrically connected to the source of the second field effect transistor and is used to be electrically connected to the battery of the mainboard, and a second end of the second capacitor is grounded.
9. The power load power consumption detection circuit as claimed in claim 1, characterized in that: The second to fourth pins of the mainboard power interface are grounded, and the fifth pin of the mainboard power interface is used for electrical connection with the central processing unit.
10. The power load power consumption detection circuit according to claim 1, wherein: The mainboard power interface unit also includes a ninth resistor, a first end of the ninth resistor is used to be electrically connected to the power supply, a second end of the ninth resistor is electrically connected to the sixth pin of the mainboard power interface, and the sixth pin of the mainboard power interface is also used to receive the status signal of the main power supply.