CN102711312A - Multi-power module electrification control method and system - Google Patents
Multi-power module electrification control method and system Download PDFInfo
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- CN102711312A CN102711312A CN2011100755671A CN201110075567A CN102711312A CN 102711312 A CN102711312 A CN 102711312A CN 2011100755671 A CN2011100755671 A CN 2011100755671A CN 201110075567 A CN201110075567 A CN 201110075567A CN 102711312 A CN102711312 A CN 102711312A
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Abstract
The invention relates to a multi-power module electrification control method, which comprises the following steps of: S1, starting a counter according to an MCU (Micro Controller Unit) electrification signal; S2, detecting power supply voltage of a low working voltage chip after the counter reaches a fixed count and resetting the counter; and S3, determining whether to initialize the low working voltage chip according to the detection result. The invention also relates to a multi-power module electrification control system. According to the multi-power module electrification control method and the multi-power module electrification control system provided by the invention, electrification sequence of multiple power modules is controlled, so that each chip in the multiple power modules is used for electrification driving according to a preset sequence, and the defect of abnormal work of a circuit caused by the problem of incapability of controlling the electrification sequence of the conventional multiple power modules is avoided.
Description
Technical field
The present invention relates to circuit control field, more particularly, relate to a kind of multi-power module electrification control method and system.
Background technology
Need use multiple driving voltage in the light fixture Drive and Control Circuit, for different chip operations provides power supply.At present, to generally comprise 1 input voltage be 5V power module and 1 5V-3.3V power transfer module to the multi-power module designed circuit.Wherein the 5V power module is mainly given 5V device power supply in the circuit, and the 5V-3.3V power transfer module is mainly given FPGA in the circuit, ASIC power supply and supplied with dc voltage changer and carry out the more conversion of small voltage.Owing to the index difference of different electrical power module, there is the problem of electric sequence in this design.If 5V reaches stable time ratio 3.3V morning; Possibly cause following problem so: the 5V device has moved normally; And the FPGA of 3.3V, ASIC also load or initialization does not finish; At this moment 5V power supply MCU starts working the unit in the circuit, and MCU is with initialization FPGA and ASIC failure so, and circuit working is with undesired.
Summary of the invention
The technical problem that the present invention will solve is; Multi-power module to prior art powers on because the out of contior problem of electric sequence causes the abnormal defective of circuit working, and a kind of multi-power module electrification control method and system of may command electric sequence is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of multi-power module electrification control method, comprising step: S1, according to MCU power on signal enabling counting device; S2,, said counter detects the supply power voltage of low-work voltage chip after reaching fixed count, and with said counter reset; S3, determine whether the said low-work voltage chip of initialization according to above-mentioned testing result.
In multi-power module electrification control method of the present invention, said step S3 is specially: the supply power voltage like said low-work voltage chip reaches operating voltage, then the said low-work voltage chip of initialization; Supply power voltage like said low-work voltage chip does not reach operating voltage, then restarts said counter and returns step S2.
In multi-power module electrification control method of the present invention, said method also comprises step: S4, setting to detect number of times or set in detection time when the supply power voltage of said low-work voltage chip and do not reach operating voltage, then sends the failure signal that powers on.
In multi-power module electrification control method of the present invention, the fixed count of said counter is confirmed by the parameter of voltage transitions chip and the work period of MCU.
In multi-power module electrification control method of the present invention, the said setting that said method also comprises step: S0, set the fixed count of said counter and send the failure signal that powers on detects number of times or said setting detection time.
The invention still further relates to electric control system on a kind of multi-power module, comprising: module started: be used for according to MCU power on signal enabling counting device; Detection module: be used for after said counter reaches fixed count, detecting the supply power voltage of low-work voltage chip, and with said counter reset; And determination module: be used for determining whether the said low-work voltage chip of initialization according to above-mentioned testing result.
In the electric control system, said determination module comprises: initialization unit on multi-power module of the present invention: be used for reaching operating voltage like the supply power voltage of said low-work voltage chip, then the said low-work voltage chip of initialization; And restart the unit: be used for not reaching operating voltage, then restart said counter like the supply power voltage of said low-work voltage chip.
On multi-power module of the present invention in the electric control system; Electric control system also comprises on the said multi-power module: alarm module: be used for setting to detect number of times or set in detection time when the supply power voltage of said low-work voltage chip not reaching operating voltage, then send the failure signal that powers on.
In the electric control system, the fixed count of said counter is confirmed by the parameter of voltage transitions chip and the work period of MCU on multi-power module of the present invention.
In the electric control system, electric control system also comprises on the said multi-power module: setting module on multi-power module of the present invention: the fixed count that is used to set said counter and the said setting of sending the failure signal that powers on detect number of times or said setting detection time.
The multi-power module electrification control method and the system of embodiment of the present invention; Have following beneficial effect: the electric sequence to multi-power module is controlled; Make each chip in the multi-power module according to the driving that powers on of predefined order, avoided existing multi-power module because the out of contior problem of electric sequence causes the abnormal defective of circuit working.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the flow chart of first preferred embodiment of multi-power module electrification control method of the present invention;
Fig. 2 is the flow chart of second preferred embodiment of multi-power module electrification control method of the present invention;
Fig. 3 is the flow chart of the 3rd preferred embodiment of multi-power module electrification control method of the present invention;
Fig. 4 is the flow chart of the 4th preferred embodiment of multi-power module electrification control method of the present invention;
Fig. 5 is the structural representation of first preferred embodiment of electric control system on the multi-power module of the present invention;
Fig. 6 is the structural representation of second preferred embodiment of electric control system on the multi-power module of the present invention;
Fig. 7 is the structural representation of the 3rd preferred embodiment of electric control system on the multi-power module of the present invention;
Fig. 8 is the structural representation of the 4th preferred embodiment of electric control system on the multi-power module of the present invention;
Fig. 9 is the particular flow sheet of the preferred embodiment of multi-power module electrification control method of the present invention;
Figure 10 is the physical circuit figure of the preferred embodiment of electric control system on the multi-power module of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In the flow chart of first preferred embodiment of multi-power module electrification control method of the present invention shown in Figure 1, said multi-power module electrification control method starts from step 100, carries out subsequently:
Final said method ends at step 104.
After multi-power module electrification control method of the present invention utilizes the MCU single-chip microcomputer to power on; The inner counting of elder generation's enabling counting device; Play the effect of time-delay; Whether the supply power voltage that detects low-work voltage chip (FPGA, ASIC etc.) after when postponing a section has reached operating voltage (like 3.3V); Initialization low-work voltage chip is started working it if reach then; Multi-power module electrification control method of the present invention is controlled the electric sequence of multi-power module, makes each chip in the multi-power module according to the driving that powers on of predefined order, has avoided existing multi-power module because the out of contior problem of electric sequence causes the abnormal defective of circuit working.
In the flow chart of second preferred embodiment of multi-power module electrification control method of the present invention shown in Figure 2, said multi-power module electrification control method starts from step 200, carries out subsequently:
Final said method ends at step 204.
Multi-power module electrification control method of the present invention is through the counting repeatedly of counter; Make and to carry out repeated detection to the supply power voltage of low-work voltage chip; The supply power voltage of low-work voltage chip does not reach operating voltage and also can carry out the counting second time through restarting counter after first time fixed count, by that analogy.Can avoid like this because the low-work voltage chip that other reasons causes does not reach working power for a long time, making multi-power module need carry out reset operation could start once more.
In the flow chart of the 3rd preferred embodiment of multi-power module electrification control method of the present invention shown in Figure 3, said multi-power module electrification control method starts from step 300, carries out subsequently:
Final said method ends at step 305.
Multi-power module electrification control method of the present invention can be set the detection number of times or the detection time of the supply power voltage of low-work voltage chip, the detection repeatedly when avoiding the low-work voltage chip not reach operating voltage.The number of times that detects can be adjusted through the counts of counter as required, and the time of detection can be adjusted through counting what and the counts of counter as required.
In the flow chart of the 4th preferred embodiment of multi-power module electrification control method of the present invention shown in Figure 4, said multi-power module electrification control method starts from step 400, carries out subsequently:
Step 401, the fixed count of setting said counter and the said setting of sending the failure signal that powers on detect number of times or said setting detection time;
Step 402 is according to MCU power on signal enabling counting device;
Step 403, the supply power voltage of detection low-work voltage chip after said counter reaches fixed count, and with said counter reset;
Step 404 reaches operating voltage like the supply power voltage of said low-work voltage chip, then the said low-work voltage chip of initialization; Supply power voltage like said low-work voltage chip does not reach operating voltage, then restarts said counter and returns step 403;
Step 405 is being set to detect number of times or set in detection time when the supply power voltage of said low-work voltage chip and is not being reached operating voltage, then sends the failure signal that powers on;
Final said method ends at step 406.
Multi-power module electrification control method of the present invention detects number of times or sets the fixed count of counter and the setting of sending the failure signal that powers on before use and is provided with detection time, and the parameter of supply power voltage detection that can change parameter that powering on failure reports to the police and low-work voltage chip according to the internal configurations of user's requirement and multi-power module is to reach the warning and the powered effect of the best.
As the preferred embodiment of multi-power module electrification control method of the present invention, the fixed count of said counter is confirmed by the parameter of voltage transitions chip and the work period of MCU.The fixed count of best counter can be set according to work period of the parameter of voltage transitions chip and MCU, make the low voltage operating chip can carry out initialization faster, can not cause the initialization failure of low voltage operating chip simultaneously.
The particular flow sheet of the preferred embodiment of the multi-power module electrification control method of the present invention through Fig. 9 is explained idiographic flow of the present invention below:
1, the MCU single-chip microcomputer carries out initialization;
2, carry out the inside counting through counter, realize time-delay;
3, after rolling counters forward finished, with counter reset, whether the supply power voltage that detects the low voltage operating chip reached the operating voltage of 3.3V; As reach then initialization low voltage operating chip and start working to drive it; As do not reach counts is added 1;
It is inferior whether the counts of 4, judging counter reaches n (n is a positive integer), and as not reaching n time, then execution in step 2; As reach n time, then export the failure signal that powers on, carry out alarm operation.
The invention still further relates to electric control system on a kind of multi-power module; On multi-power module of the present invention shown in Figure 5 in the structural representation of first preferred embodiment of electric control system; Electric control system comprises startup module 1, detection module 2 and determination module 3 on the said multi-power module, starts module 1 and is used for according to MCU power on signal enabling counting device; Detection module 2 is used for after said counter reaches fixed count, detecting the supply power voltage of low-work voltage chip, and with said counter reset; Determination module 3 is used for determining whether the said low-work voltage chip of initialization according to above-mentioned testing result.
After electric control system utilizes the MCU single-chip microcomputer to power on the multi-power module of the present invention; Start the inner counting of module 1 first enabling counting device; Play the effect of time-delay; Whether the supply power voltage that detection module 2 detects low-work voltage chips (FPGA, ASIC etc.) after when postponing a section has reached operating voltage (like 3.3V); Determination module 3 initialization low-work voltage chips are started working it if reach then; Electric control system is controlled the electric sequence of multi-power module on the multi-power module of the present invention, makes each chip in the multi-power module according to the driving that powers on of predefined order, has avoided existing multi-power module because the out of contior problem of electric sequence causes the abnormal defective of circuit working.
On multi-power module of the present invention shown in Figure 6 in the structural representation of second preferred embodiment of electric control system; Said determination module 3 also comprises initialization unit 31 and restarts unit 32; Initialization unit 31 is used for reaching operating voltage like the supply power voltage of said low-work voltage chip; Then the said low-work voltage chip of initialization is restarted unit 32 and is used for not reaching operating voltage like the supply power voltage of said low-work voltage chip, then restarts said counter.
Electric control system is through the counting repeatedly of counter on the multi-power module of the present invention; Make and to carry out repeated detection to the supply power voltage of low-work voltage chip; The supply power voltage of low-work voltage chip does not reach operating voltage and also can restart counter and carry out the counting second time through restarting unit 32 after first time fixed count, by that analogy.Can avoid like this because the low-work voltage chip that other reasons causes does not reach working power for a long time, making multi-power module need carry out reset operation could start once more.
On multi-power module of the present invention shown in Figure 7 in the structural representation of the 3rd preferred embodiment of electric control system; Electric control system also comprises alarm module 4 on the said multi-power module; Alarm module 4 is used for setting to detect number of times or set in detection time when the supply power voltage of said low-work voltage chip not reaching operating voltage, then sends the failure signal that powers on.
Electric control system can be set the detection number of times or the detection time of the supply power voltage of low-work voltage chip on the multi-power module of the present invention, and alarm module 4 carries out alarm operation when avoiding the low-work voltage chip not reach operating voltage.The number of times that detects can be adjusted through the counts of counter as required, and the time of detection can be adjusted through counting what and the counts of counter as required.
On multi-power module of the present invention shown in Figure 8 in the structural representation of the 4th preferred embodiment of electric control system; Electric control system also comprises setting module 5 on the said multi-power module, and the fixed count that setting module 5 is used to set said counter and the said setting of sending the failure signal that powers on detect number of times or said setting detection time.
On the multi-power module of the present invention electric control system before use the fixed count through 5 pairs of counters of setting module detect number of times or set with the setting of sending the failure signal that powers on and be provided with detection time, the parameter of supply power voltage detection that can change parameter that powering on failure reports to the police and low-work voltage chip according to the internal configurations of user's requirement and multi-power module is to reach the warning and the powered effect of the best.
As the preferred embodiment of electric control system on the multi-power module of the present invention, the fixed count of said counter is confirmed by the parameter of voltage transitions chip and the work period of MCU.The fixed count of best counter can be set according to work period of the parameter of voltage transitions chip and MCU, make the low voltage operating chip can carry out initialization faster, can not cause the initialization failure of low voltage operating chip simultaneously.
The idiographic flow of work of the present invention is described through the physical circuit figure of the preferred embodiment of electric control system on the multi-power module of the present invention of Figure 10 below:
1, the 5V power supply is supplied power to MCU through 0 pin of MCU,
2, the inner counter of MCU begins counting;
Whether the output through 5 pin detection 5V-3.3V voltage transitions chip U2 after 3, counter is once counted and finished reaches 3.3V (voltage through detecting on divider resistance R2 and the R3 is realized); As reach 3.3V; MCU is then through 4 pin initialization asic chips; As do not reach, then the counts with internal counter adds 1;
4, judge whether counts reaches the frequency n of setting, as not reaching, then execution in step 2; As reached n time, MCU reports to the police through lighting LED through the 3 human hair combing wastes failure signal that goes out to power on;
5, sending alarm signal like MCU can carry out reset operation through supplying with the 5V power supply again to MCU, can certainly install soft-touch control additional in the 1 pin outside of MCU and carry out reset operation.
Multi-power module electrification control method of the present invention and system can effectively reduce the multi-power module failure fault that powers on, and improve the reliability of power work; Reduce the use of special chip, make full use of existing resources of chip, save product cost.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to be done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a multi-power module electrification control method is characterized in that, comprises step:
S1, according to MCU power on signal enabling counting device;
S2,, said counter detects the supply power voltage of low-work voltage chip after reaching fixed count, and with said counter reset;
S3, determine whether the said low-work voltage chip of initialization according to above-mentioned testing result.
2. multi-power module electrification control method according to claim 1 is characterized in that, said step S3 is specially:
Supply power voltage like said low-work voltage chip reaches operating voltage, then the said low-work voltage chip of initialization; Supply power voltage like said low-work voltage chip does not reach operating voltage, then restarts said counter and returns step S2.
3. multi-power module electrification control method according to claim 2 is characterized in that, said method also comprises step:
S4, setting to detect number of times or set in detection time when the supply power voltage of said low-work voltage chip and do not reaching operating voltage, then sending the failure signal that powers on.
4. multi-power module electrification control method according to claim 1 is characterized in that, the fixed count of said counter is confirmed by the parameter of voltage transitions chip and the work period of MCU.
5. multi-power module electrification control method according to claim 3 is characterized in that, said method also comprises step:
S0, the said setting of setting the fixed count of said counter and sending the failure signal that powers on detect number of times or said setting detection time.
6. electric control system on the multi-power module is characterized in that, comprising:
Start module (1): be used for according to MCU power on signal enabling counting device;
Detection module (2): be used for after said counter reaches fixed count, detecting the supply power voltage of low-work voltage chip, and with said counter reset; And
Determination module (3): be used for determining whether the said low-work voltage chip of initialization according to above-mentioned testing result.
7. electric control system on the multi-power module according to claim 6 is characterized in that, said determination module (3) comprising:
Initialization unit (31): be used for reaching operating voltage, then the said low-work voltage chip of initialization like the supply power voltage of said low-work voltage chip; And
Restart unit (32): be used for not reaching operating voltage, then restart said counter like the supply power voltage of said low-work voltage chip.
8. electric control system on the multi-power module according to claim 7 is characterized in that, electric control system also comprises on the said multi-power module:
Alarm module (4): be used for setting to detect number of times or set in detection time not reaching operating voltage, then send the failure signal that powers on when the supply power voltage of said low-work voltage chip.
9. electric control system on the multi-power module according to claim 6 is characterized in that, the fixed count of said counter is confirmed by the parameter of voltage transitions chip and the work period of MCU.
10. electric control system on the multi-power module according to claim 8 is characterized in that, electric control system also comprises on the said multi-power module:
Setting module (5): the fixed count that is used to set said counter and the said setting of sending the failure signal that powers on detect number of times or said setting detection time.
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| CN2011100755671A CN102711312A (en) | 2011-03-28 | 2011-03-28 | Multi-power module electrification control method and system |
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| CN104142839A (en) * | 2014-07-15 | 2014-11-12 | 惠州市德赛西威汽车电子有限公司 | Method for avoiding initialization failure of audio frequency chip |
| CN108519806A (en) * | 2018-04-26 | 2018-09-11 | 北京比特大陆科技有限公司 | A kind of chip controls method, apparatus, computer equipment and computer storage media |
| CN109725182A (en) * | 2018-07-25 | 2019-05-07 | 北京航天三优科技有限公司 | Electric control system and control method on single module in a kind of modular testing cabinet |
| CN113933579A (en) * | 2021-09-01 | 2022-01-14 | 新华三信息安全技术有限公司 | Power-on method of power module and electronic equipment |
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Application publication date: 20121003 |