A thermal management controller
By using a modular design and an embedded processor thermal management controller, the problems of high cost and large size in existing technologies are solved, resulting in reduced equipment cost and improved compatibility. It also enables flexible control of heat dissipation components and human-machine interaction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU SIWI HIGH TECH IND GARDEN
- Filing Date
- 2025-07-23
- Publication Date
- 2026-07-14
AI Technical Summary
Existing thermal management controllers typically use expensive PLCs due to harsh operating conditions and high reliability requirements, resulting in high costs and large device size.
It adopts an embedded processor and modular design, including a detection module, a communication module, a control module, a processor module and a power supply module. Data transmission and control are achieved through optocoupler modules, operational amplifier circuits, analog-to-digital converter modules and digital isolation modules, which reduces costs and improves compatibility.
It achieves reduced equipment cost and size, improves equipment compatibility and reusability, and acquires data through the detection module to control heat dissipation components, enabling flexible human-machine interaction and control.
Smart Images
Figure CN224503792U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thermal management control technology, and in particular to a thermal management controller. Background Technology
[0002] Liquid cooling sources are used to address the challenges of high heat density and demanding heat dissipation requirements in equipment. They work by using a circulating coolant to absorb the heat generated by the equipment, maintaining its temperature within an acceptable range.
[0003] The thermal management controller is an embedded controller that collects temperature, heat, and pressure data in the vehicle-mounted liquid cooling source chassis and controls heat dissipation components such as compressors, fans, and water pumps.
[0004] Due to their harsh operating conditions and high reliability requirements, such equipment generally uses expensive PLCs as controllers. Utility Model Content
[0005] To address the above problems, this utility model provides a thermal management controller, the specific technical solution of which is as follows:
[0006] It includes a detection module, a communication module, a control module, a processor module, a power supply module, and external connectors;
[0007] The detection module is data-connected to the processor module, and the detection module includes an optocoupler module, an operational amplifier circuit, an analog-to-digital converter module, and a digital isolation module; the processor module is signal-connected to the control module, and the processor module is data-interactively connected to the communication module; the control module and the communication module are respectively connected to the external connector.
[0008] Furthermore, the detection module includes a temperature sensor, a flow sensor, and a pressure sensor.
[0009] Furthermore, the detection module includes 12 digital signals and 20 analog signals.
[0010] Furthermore, the switching signal is output and connected to the processor module via an optocoupler module;
[0011] The analog signal is connected to the analog-to-digital converter module via a resistor and an operational amplifier circuit. The analog-to-digital converter module is connected to the processor module via a digital isolation module to transmit the voltage signal data on the resistor to the processor module.
[0012] Furthermore, the analog-to-digital conversion module is connected to the digital isolation module via I2C.
[0013] Furthermore, the control module includes 6-channel PWM signal output control and 18-channel switch quantity control.
[0014] Furthermore, the PWM signal output terminal of the control module is connected to the buffer driver chip, and the output terminal of the buffer driver chip is connected to an external connector through the collector of the output terminal of the optocoupler module.
[0015] The switch signal output terminal of the control module is connected to a Darlington transistor via a digital isolation chip, and the output terminal of the Darlington transistor is connected to an external connector.
[0016] Furthermore, the communication module includes 3 RS485 communication channels, 1 RS422 communication channel, and 1 Ethernet communication channel.
[0017] Furthermore, the power module includes a first-stage power conversion unit and a second-stage power conversion unit;
[0018] The first-stage power conversion unit is connected to a 9-36V DC input and outputs one non-isolated 5V DC output and two isolated 5V DC outputs; the isolated 5V DC outputs are connected to the input terminal of the second-stage power conversion unit, and the second-stage power conversion unit outputs a 3.3V DC output.
[0019] The beneficial effects of this utility model are as follows:
[0020] This invention uses an embedded processor as its core, which improves integration, reduces equipment cost, and minimizes equipment size. It acquires analog data from the equipment through a detection module, and then controls the heat dissipation components of the equipment through an external connector via a control module. It also enables human-machine interaction with an interactive terminal through a communication module, realizing flexible control of the heat dissipation components. The normalization of the detection and control modules effectively improves the compatibility of the equipment. At the same time, it reserves detection interfaces, control output interfaces, communication interfaces, and power output interfaces, which improves the reusability of the controller. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the modular architecture of this utility model.
[0022] Figure 2 This is a schematic diagram of the analog signal acquisition circuit of this utility model. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. The components of the embodiments of the present utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0024] In the description of the embodiments of this utility model, it should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, or the orientation or positional relationship commonly understood by those skilled in the art, or the orientation or positional relationship commonly used when the utility model product is in use. These are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model. Furthermore, the terms "first" and "second" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0025] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0026] Example 1
[0027] Embodiment 1 of this utility model discloses a thermal management controller, such as Figure 1 As shown, the specific structure is as follows:
[0028] It includes a detection module, a communication module, a control module, a processor module, a power supply module, and external connectors;
[0029] The detection module is data-connected to the processor module, and the detection module includes an optocoupler module, an operational amplifier circuit, an analog-to-digital converter module, and a digital isolation module.
[0030] The processor module is signal-connected to the control module, and the processor module is data-interactively connected to the communication module; the control module and the communication module are respectively connected to the external connector.
[0031] The processor module uses an embedded chip as its processor.
[0032] In a preferred embodiment, the detection module includes a temperature sensor, a flow sensor, and a pressure sensor; the processor module acquires the temperature, flow rate, and pressure data of the device through the detection module.
[0033] The external connectors are provided in multiple ways, each connected to a control device. The processor module controls heat dissipation components such as compressors, fans, and water pumps through the control module.
[0034] The communication module is also connected to an operating terminal via the external connector, enabling human-computer interaction through the communication module.
[0035] In a preferred embodiment, the detection module includes 12 channels of digital signals and 20 channels of analog signals;
[0036] The switching signal is output and connected to the processor module through an optocoupler module;
[0037] Digital signals detect the status of external actuators, while analog signals are voltage or current signals generated by temperature, flow, and pressure sensors after signal conversion.
[0038] Specifically, the output is sent to the processor chip pins through the collector of the optocoupler module.
[0039] The analog signal is connected to the analog-to-digital converter (ADC) module via a resistor and an operational amplifier circuit. The ADC module is connected to the processor module via a digital isolation module to transmit the voltage signal data across the resistor to the processor module. The ADC module is connected to the digital isolation module via an IIC.
[0040] Specifically, such as Figure 2 As shown, a 4~20mA current passes through a resistor to obtain a voltage signal, which is then amplified by an operational amplifier circuit via a diode and connected to a 16-bit multi-input built-in reference analog-to-digital converter. The analog-to-digital converter chip converts the voltage signal into an IIC digital signal, and finally the data is transmitted to the processor through a digital isolation chip.
[0041] In a preferred embodiment, the control module includes 6-channel PWM signal output control and 18-channel switch quantity control;
[0042] Specifically, of the 6 PWM signal inputs, 4 are used to control the speed of 4 fans, and 2 PWM signals are used as backups. The hardware supports a maximum frequency of 25kHz.
[0043] Eighteen switch signals are connected to the intermediate relay module, which controls the electrically operated circuit breakers of equipment such as buzzers, compressors, liquid supply circulation pumps, electric heaters, fans, and injection pumps.
[0044] The PWM signal output terminal of the control module is connected to the buffer driver chip in the control module, and the output terminal of the buffer driver chip is connected to an external connector through the collector of the output terminal of the optocoupler module.
[0045] Specifically, the processor outputs a PWM wave according to the demand, which is then amplified by the buffer driver chip to drive the current, and finally output to the external connector through the open-drain collector of the optocoupler.
[0046] The switch signal output terminal of the control module is connected to a Darlington transistor via a digital isolation chip, and the output terminal of the Darlington transistor is connected to an external connector.
[0047] Specifically, the processor outputs a switching signal as needed, which is then transmitted to the Darlington transistor via a digital isolation chip. The output of the Darlington transistor is then connected to an external connector.
[0048] The processor outputs PWM and switching signals to the control module, which are then amplified in power before being output.
[0049] In a preferred embodiment, the communication module includes 3 RS485 communication channels, 1 RS422 communication channel, and 1 Ethernet communication channel.
[0050] Specifically, the three-channel RS485 communication is implemented as follows: the processor outputs a serial port signal, which is then output to an external connector after passing through an isolated RS485 signal chip.
[0051] The specific communication implementation of the 1-channel RS422 is as follows: the processor outputs a serial port signal, which is then output to an external connector after passing through an isolated RS422 signal chip.
[0052] The specific implementation of 1-channel Ethernet communication is as follows: the processor outputs an RMII protocol signal to the PHY chip, and the PHY chip outputs a signal, which is then output to the external connector through a network transformer.
[0053] In a preferred embodiment, the power module includes a first-stage power conversion unit and a second-stage power conversion unit;
[0054] The first-stage power conversion unit is connected to a 9-36V DC input and outputs one non-isolated 5V DC output and two isolated 5V DC outputs; the isolated 5V DC outputs are connected to the input terminal of the second-stage power conversion unit, and the second-stage power conversion unit outputs a 3.3V DC output.
[0055] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A thermal management controller, characterized in that, It includes a detection module, a communication module, a control module, a processor module, a power supply module, and external connectors; The detection module is data-connected to the processor module, and the detection module includes an optocoupler module, an operational amplifier circuit, an analog-to-digital converter module, and a digital isolation module; the processor module is signal-connected to the control module, and the processor module is data-interactively connected to the communication module; the control module and the communication module are respectively connected to the external connector.
2. The thermal management controller according to claim 1, characterized in that, The detection module includes a temperature sensor, a flow sensor, and a pressure sensor.
3. The thermal management controller according to claim 1, characterized in that, The detection module includes 12 digital signals and 20 analog signals.
4. The thermal management controller according to claim 3, characterized in that, The switching signal is output and connected to the processor module through the optocoupler module; The analog signal is connected to the analog-to-digital converter module via a resistor and an operational amplifier circuit. The analog-to-digital converter module is connected to the processor module via a digital isolation module to transmit the voltage signal data on the resistor to the processor module.
5. The thermal management controller according to claim 4, characterized in that, The analog-to-digital conversion module is connected to the digital isolation module via IIC.
6. The thermal management controller according to claim 1, characterized in that, The control module includes 6-channel PWM signal output control and 18-channel switch quantity control.
7. The thermal management controller according to claim 6, characterized in that, The PWM signal output terminal of the control module is connected to the buffer driver chip, and the output terminal of the buffer driver chip is connected to an external connector through the collector of the output terminal of the optocoupler module. The switch signal output terminal of the control module is connected to a Darlington transistor via a digital isolation chip, and the output terminal of the Darlington transistor is connected to an external connector.
8. The thermal management controller according to claim 1, characterized in that, The communication module includes 3 RS485 communication channels, 1 RS422 communication channel, and 1 Ethernet communication channel.
9. The thermal management controller according to claim 1, characterized in that, The power module includes a first-stage power conversion unit and a second-stage power conversion unit; The first-stage power conversion unit is connected to a 9-36V DC input and outputs one non-isolated 5V DC output and two isolated 5V DC outputs; the isolated 5V DC outputs are connected to the input terminal of the second-stage power conversion unit, and the second-stage power conversion unit outputs a 3.3V DC output.