CN202578920U - Engine thermal management controller - Google Patents
Engine thermal management controller Download PDFInfo
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- CN202578920U CN202578920U CN 201220246772 CN201220246772U CN202578920U CN 202578920 U CN202578920 U CN 202578920U CN 201220246772 CN201220246772 CN 201220246772 CN 201220246772 U CN201220246772 U CN 201220246772U CN 202578920 U CN202578920 U CN 202578920U
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- thermal management
- strategy
- management controller
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Abstract
The utility model relates to an engine thermal management controller which comprises a CPU (central processing unit), a nonvolatile storage system, a communication system, an information acquisition system and a control output system. The CPU is connected with the nonvolatile storage system, the communication system, the information acquisition system and the control output system respectively. Owning to an online configuration function of the engine thermal management controller, a complete circulation and iteration process which is reconfigured after strategic allocation, strategic analysis and effecting, monitoring to control effect, strategic modification are improved can be formed, the optimal final thermal management strategy can be found out conveniently, and the optimal effect of the thermal management system can be functioned.
Description
Technical field
The utility model belongs to the heat management system or the heat radiation field of cooling of power units such as motor or power battery pack, is specifically related to a kind of engine thermal Management Controller.
Background technique
Engine thermal management system or cooling heat radiation system mainly are made up of heat management modules such as water radiator, intercooler, cooling fan and controller; Controller is the core of system; It can monitor the temperature of controlled parameter such as motor in real time; According to the control strategy and the rule of its internal preset, the rotating speed of control fan etc. and the intensity of cooling of cooling system etc. remain within the best scope controlled parameter; Thereby guarantee the safety of engine system applications, and the function of energy-conservation, reduction of discharging, noise reduction is arranged.
And the control strategy of present engine thermal Management Controller is more single; And when controller production is dispatched from the factory, have cured and write dead; And the vehicle of End-Customer such as automobile factory is diversified; Power unit parameter, heat management system arrangement condition such as its applied environment, motor are not quite similar, so the optimal heat management and controlling tactics of its requirement also is different.So; Controller can not be online configuration change thermal management policy and monitoring heat management control effect; Be unfavorable for very much according to different demands exploitation and the best heat management control strategy of checking, and then the effect of engine thermal management system also can have a greatly reduced quality, even can be inapplicable fully.
Summary of the invention
The purpose of the utility model is in order to obtain best engine thermal management effect according to different requirement, and a kind of engine thermal Management Controller is provided, and the management strategy of this engine thermal Management Controller can real-time online configuration and adjustment.
The technological scheme of the utility model:
A kind of engine thermal Management Controller is made up of CPU element, Nonvolatile memory system, communications system, information acquisition system, control output system; CPU element links to each other with Nonvolatile memory system, communications system, information acquisition system, control output system respectively, specifically referring to Fig. 1;
Described communications system can be online the configuration of reception thermal management policy, carry out the parsing of strategy by CPU element after strategy come into force, the output of real time altering control output system is to satisfy the requirement of control strategy then;
Described CPU element is when changing thermal management policy; Strategy is write the corresponding units of Nonvolatile memory system; So that when the engine thermal Management Controller at any time reruns later on; All at first reading and resolve from Nonvolatile memory system the inside should strategy, makes this strategy continuously effective, until having reconfigured new strategy;
Described information acquisition system collection obtains the real-time status and the information of controlled system, flows to CPU element, and carries out real-time feedback through communications system, monitors and analyze final control effect, so that the configuration of further modification and perfecting control strategy.
Described Nonvolatile memory system is outside ferroelectric memory or EEPROM EEPROM of CPU.The nonvolatile storage that data can be preserved after the EEPROM power down, this storage is through the communication interface of corresponding inner chip level then, and like SPI, IIC etc. and CPU carry out the mutual of information; Nonvolatile memory system also can directly be the inner FLASH unit of cpu chip.
Described communications system is the communication interface of the communication mode of CAN Field bus, RS232 or EPA standard, can communicate the conversion and the mutual and remote data transmission of CPU of level.
Described information acquisition system comprises temperature collecting cell, current acquisition unit, voltage acquisition unit and rotating speed collecting unit; The signal conversion that collects is corresponding voltage signal, frequency signal, high-low level signal or pulse signal; Send to the AD ALT-CH alternate channel of CPU element, change out original signal value by CPU according to corresponding relation then.
Described control output system mainly comprises the generation module and the modular converter of the high-frequency PWM signal that fan or pump rotary speed are regulated, and changes the dutycycle or the frequency of pwm signal, can change the rotating speed of fan and water pump, thereby changes the intensity of cooling of refrigerating module; Pwm signal CPU exports the control output system to, and the control output system is carried out the conversion of level and power with this signal, thereby can drive the load that comprises fan, water pump and solenoid valve.
The tactful Configuration Online method of engine thermal Management Controller; It is characterized in that carrying out according to the following steps: step 1: the engine thermal Management Controller passes through communications system communication interface just, receives the new policy data that outside policy configurations system sends over;
Step 2: communication interface will receive after policy signal carries out level conversion, send to CPU element;
Step 3: CPU element is resolved the data that receive according to set policy protocol form, and replaces original strategy to continue operation with this strategy, promptly tactful online analyzing and coming into force; CPU element is written to this policy data in the respective memory unit of set Nonvolatile memory system simultaneously, so that later on can be always according to this new strategy operation;
Step 4: information acquisition system is gathered controlled system corresponding temperature, voltage, electric current and tach signal; The signal conversion that collects is corresponding voltage signal, frequency signal, high-low level signal or pulse signal; Send to the AD ALT-CH alternate channel of CPU element; Change out original signal value by CPU according to corresponding relation then, the policy configurations system of outside is carried out the feedback of information through communication interface;
Step 5: outside policy configurations system judges whether the optiumum control effect that has reached set according to corresponding feedback information;
Step 6: if reached the best, the Configuration Online process of strategy finishes so, and current strategies is optimal strategy, and later thermal management controller all moves by the side strategy;
Step 7: if do not reach ideal control effect, then readjust policing parameter after, get back to step 1, the strategy adjustment of a beginning new round and checking are until finding final best configuration strategy.
The beneficial effect of the utility model: through the online configuration feature of engine thermal Management Controller; Can constitute one from policy configurations, policy resolution with come into force, control complete cycle and the iterative process that effect monitoring, strategy modification reconfigure after improving; Can find final optimal heat management strategy very easily, the optimum efficiency of performance heat management system.
Description of drawings
Fig. 1 is the engine thermal Management Controller hardware configuration sketch of the utility model.
Fig. 2 is the engine thermal Management Controller strategy Configuration Online procedure chart of the utility model.
Fig. 3 is the engine thermal Management Controller case study on implementation structure diagram of the utility model.
Fig. 4 is the controller internal heat management strategy Configuration Online procedure chart of the case study on implementation of the utility model.
Embodiment
In conjunction with accompanying drawing the utility model is done further to describe.
As shown in Figure 1, the utility model is made up of CPU element 101, Nonvolatile memory system 102, communications system 103, information acquisition system 104, control output system 105; CPU element 101 links to each other with Nonvolatile memory system 102, communications system 103, information acquisition system 104, control output system 105 respectively; Described communications system 103 can online reception thermal management policy dispose; Strategy comes into force carried out the parsing of strategy by CPU element 101 after, and the output of real time altering control output system 105 is to satisfy the requirement of control strategy then; Described CPU element 101 is when changing thermal management policy; Strategy is write the corresponding units of Nonvolatile memory system 102; So that when the engine thermal Management Controller at any time reruns later on; All at first reading and resolve from Nonvolatile memory system 102 the insides should strategy, makes this strategy continuously effective, until having reconfigured new strategy; Simultaneously; Described information acquisition system 104 can be gathered real-time status and the information that obtains controlled system, flows to CPU element 101, and carries out real-time feedback through communications system 103; Monitor and analyze final control effect, so that the configuration of further modification and perfecting control strategy.
Described Nonvolatile memory system is outside ferroelectric memory or EEPROM EEPROM of CPU.The nonvolatile storage that data can be preserved after the EEPROM power down, this storage is through the communication interface of corresponding inner chip level then, and like SPI, IIC etc. and CPU carry out the mutual of information; Nonvolatile memory system also can directly be the inner FLASH unit of cpu chip.
Described communications system is the communication interface of the communication mode of CAN Field bus, RS232 or EPA standard, can communicate the conversion and the mutual and remote data transmission of CPU of level.
Described information acquisition system comprises temperature collecting cell, current acquisition unit, voltage acquisition unit and rotating speed collecting unit; The signal conversion that collects is corresponding voltage signal, frequency signal, high-low level signal or pulse signal; Send to the AD ALT-CH alternate channel of CPU element, change out original signal value by CPU according to corresponding relation then.Temperature collecting cell, current acquisition unit, voltage acquisition unit and rotating speed collecting unit are existing structure.
Described control output system mainly comprises the generation module and the modular converter of the high-frequency PWM signal that fan or pump rotary speed are regulated, and changes the dutycycle or the frequency of pwm signal, can change the rotating speed of fan and water pump, thereby changes the intensity of cooling of refrigerating module; Pwm signal CPU exports the control output system to, and the control output system is carried out the conversion of level and power with this signal, thereby can drive the load that comprises fan, water pump and solenoid valve.Generation module and modular converter are existing structure.
As shown in Figure 2, engine thermal Management Controller strategy Configuration Online method, carry out according to the following steps:
Step 201: the engine thermal Management Controller passes through communications system communication interface just, receives the new policy data that outside policy configurations system sends over;
Step 202: communication interface will receive after policy signal carries out level conversion, send to CPU element;
Resolve the data that receive according to set policy protocol form step 203:CPU unit, and replace original strategy to continue operation with this strategy, promptly tactful online analyzing and coming into force; CPU element is written to this policy data in the respective memory unit of set Nonvolatile memory system simultaneously, so that later on can be always according to this new strategy operation;
Step 204: information acquisition system is gathered controlled system corresponding temperature, voltage, electric current and tach signal; The signal conversion that collects is corresponding voltage signal, frequency signal, high-low level signal or pulse signal; Send to the AD ALT-CH alternate channel of CPU element; Change out original signal value by CPU according to corresponding relation then, the policy configurations system of outside is carried out the feedback of information through communication interface;
Step 205: outside policy configurations system judges whether the optiumum control effect that has reached set according to corresponding feedback information;
Step 206: if reached the best, the Configuration Online process of strategy finishes so, and current strategies is optimal strategy, and later thermal management controller all moves by the side strategy;
Step 207: if do not reach ideal control effect, then behind new adjustment policing parameter, get back to step 201, the strategy adjustment and the checking of a beginning new round are until finding final best configuration strategy.
Fig. 3 is a case study on implementation structure diagram; Wherein outside policy configurations system 306 is cover systems that are independent of outside the engine thermal Management Controller; It can be that a position PC that has on this function also can be other the control apparatus with this function, and this equipment at first can communicate through communication interface such as CAN or RS232 and thermal management controller, simultaneously; The two follows identical soft communication agreement, thereby can resolve the information that the other side sends over mutually.
After having revised configuration parameter through the policy configurations system 306 of outside, parameter is sent to the CPU element 301 of thermal management controller according to set protocol format through CAN or RS232 communications system 303, after CPU element 301 is received configuration information; Protocol format according to set is resolved; And each parameter replaced with new policing parameter immediately, thereby, simultaneously policing parameter is write ferroelectric non-volatile memory 302 with the coming into force of collocation strategy real-time online; Whenever so that later on behind the electrifying startup; From ferroelectric non-volatile memory 302, read configuration parameter, make this collocation strategy continuously effective, until there being new collocation strategy to write;
Fig. 4 is the inner tactful Configuration Online process of engine thermal Management Controller of case study on implementation: step 401: behind the engine thermal Management Controller electrifying startup;
At first that ferroelectric memory is the inner policy configurations parameter in step 402:CPU unit is read;
Step 403:CPU unit open communication then interrupts;
Whether step 404:CPU unit judges has new collocation strategy to write;
Step 407:, and get back to step 404 cycle criterion and whether have new collocation strategy to write if not then according to original policing parameter, the parameter of promptly reading from ferroelectric inside is come the operational system program;
Step 405: if there is new collocation strategy to write, then at once current operation policing parameter is changed to new policing parameter, promptly New Policy has become current strategies;
Whether step 406:CPU unit writes ferroelectric memory with policing parameter and substitutes original parameter, get back to step 407 and continue the operational system program according to this strategy then, and get back to step 404 cycle criterion and have new collocation strategy to write.
The utility model discloses a kind of thermal management controller of motor; It can be generalized to cooling system, radiation system controller or the fan governor of power units such as motor, power battery pack, and every this quasi-controller with the online real-time adjustment configuration feature of control strategy all belongs to the protection domain of the utility model.
Claims (6)
1. an engine thermal Management Controller is made up of CPU element, Nonvolatile memory system, communications system, information acquisition system, control output system; It is characterized in that: CPU element links to each other with Nonvolatile memory system, communications system, information acquisition system, control output system respectively;
Described communications system can online reception thermal management policy configuration, carry out the parsing of strategy by CPU element after strategy come into force, the output of real time altering control output system is to satisfy the requirement of control strategy then;
Described CPU element writes strategy the corresponding units of Nonvolatile memory system when changing thermal management policy;
Described information acquisition system collection obtains the real-time status and the information of controlled system, flows to CPU element, and carries out real-time feedback through communications system.
2. engine thermal Management Controller according to claim 1 is characterized in that: described Nonvolatile memory system is outside ferroelectric memory or EEPROM EEPROM of CPU.
3. engine thermal Management Controller according to claim 1 is characterized in that: described Nonvolatile memory system is the inner FLASH unit of cpu chip.
4. engine thermal Management Controller according to claim 1 is characterized in that: described communications system is the communication interface of the communication mode of CAN Field bus, RS232 or EPA standard.
5. engine thermal Management Controller according to claim 1 is characterized in that: described information acquisition system comprises temperature collecting cell, current acquisition unit, voltage acquisition unit and rotating speed collecting unit.
6. engine thermal Management Controller according to claim 1 is characterized in that: described control output system mainly comprises the generation module and the modular converter of the high-frequency PWM signal that fan or pump rotary speed are regulated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220246772 CN202578920U (en) | 2012-05-30 | 2012-05-30 | Engine thermal management controller |
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| CN 201220246772 CN202578920U (en) | 2012-05-30 | 2012-05-30 | Engine thermal management controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705087A (en) * | 2012-05-30 | 2012-10-03 | 武汉杜曼智能科技有限公司 | Engine heat management controller and online strategy configuration method |
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- 2012-05-30 CN CN 201220246772 patent/CN202578920U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705087A (en) * | 2012-05-30 | 2012-10-03 | 武汉杜曼智能科技有限公司 | Engine heat management controller and online strategy configuration method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yao Gaoshang Inventor after: Zhang Yang Inventor before: Yao Gaoshang Inventor before: Guo Li |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YAO GAOSHANG GUO LI TO: YAO GAOSHANG ZHANG YANG |
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| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
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| CX01 | Expiry of patent term |