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load simulation circuit

A load simulation and load module technology, applied in fault hardware testing methods, detection of faulty computer hardware, etc., can solve problems affecting project development progress, etc.

Active Publication Date: 2022-06-24
HONG FU JIN PRECISION IND WUHAN CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, it will affect the development progress of the project

Method used

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0037] In order to make the objectives, technical solutions and advantages of the present invention clearer, the load simulation circuit in the present invention will be further described and explained in detail below with reference to the accompanying drawings and embodiments.

[0038] Please refer to figure 1 , In a preferred embodiment of the present invention, a load simulation circuit 100 is used to control a target current value flowing through a load unit.

[0039] The load simulation circuit 100 includes a control unit 10 , a voltage modulation unit 20 , a load unit 30 and a current detection unit 40 .

[0040] The control unit 10...

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Abstract

A load simulation circuit, used to control the target current value flowing through a load unit, the load simulation circuit includes a voltage modulation unit, a load unit, a current detection unit and a control unit, the voltage modulation is used to adjust the change the signal to output a voltage signal; the load unit is used to receive the voltage signal and generate a conduction current according to the received voltage signal; the current detection unit is used to detect the conduction generated by the load unit conduct current, and respectively output conduction current values ​​to the control unit; the control unit is used to output the pulse modulation signal, and receive and calculate the total value of the conduction current; the control unit is also used to transfer the The total current value is compared with the target current value, and the duty ratio of the pulse modulation signal is correspondingly adjusted according to the comparison result, so that the total current value is equal to the target current value. In this way, a specific electronic load and heat source can be formed.

Description

technical field [0001] The invention relates to a load simulation circuit. Background technique [0002] The simulated heat load is a substitute for the heat load generated when the real system or equipment is operating in a stable manner. The most basic requirement for a simulated thermal load is to match the target power with the power impedance that the simulated load can withstand, that is, an informal load that is usually temporarily used when debugging or testing machine performance. [0003] When developing a system project, it is generally necessary to passively wait for the engineering samples of Intel's Central Processing Unit (CPU) to be shipped before verifying the temperature of the system and the heat dissipation performance of the system. This will affect the development progress of the project. Therefore, how to provide a simulated thermal load that can verify the system temperature and heat dissipation performance when the known CPU specifications are anno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/22
CPCG06F11/2273
Inventor 陈冠暠
Owner HONG FU JIN PRECISION IND WUHAN CO LTD
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