CN102591237A - Electrical dual-core control system of underground risk-avoiding apparatus and control method thereof - Google Patents
Electrical dual-core control system of underground risk-avoiding apparatus and control method thereof Download PDFInfo
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- CN102591237A CN102591237A CN2012100498164A CN201210049816A CN102591237A CN 102591237 A CN102591237 A CN 102591237A CN 2012100498164 A CN2012100498164 A CN 2012100498164A CN 201210049816 A CN201210049816 A CN 201210049816A CN 102591237 A CN102591237 A CN 102591237A
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Abstract
The invention discloses an electrical dual-core control system of an underground risk-avoiding apparatus that is applied to intelligent control of electrical equipment in the underground risk-avoiding apparatus. The control system comprises a watchdog reset chip, a logic circuit unit and two one-chip microcomputer control units. The watchdog reset chip is accessed to one of the one-chip microcomputer control units and, together with the one-chip microcomputer control unit, is accessed to the logic circuit unit in a parallel access mode; besides, the logic circuit unit is also accessed to the other one-chip microcomputer control unit; and the both two one-chip microcomputer control units can independently deal with various data information of electrical equipment in an underground risk-avoiding apparatus. According to the electrical dual-core control system of the underground risk-avoiding apparatus and the control method thereof, cooperated construction of a common logic circuit and a one-chip microcomputer control chip and the like is employed; the architecture is simple; the system can be integratedly used in underground risk-avoiding apparatuses of various types; and the system and the method can be applied widely.
Description
Technical field
The present invention relates to the supporting control system of down-hole avoiding device, the electric double-core control system and the control method thereof of a kind of down-hole avoiding device of saying so more specifically.
Background technology
In recent years; Domestic coal mining accident frequently takes place, and makes the safety problem of borehole operation more and more come into one's own, and then has promoted the development of down-hole hedging lifesaving appliance manufacture; The hedging lifesaving appliance is for guaranteeing the life security of underground operators; Avoid the threat that rugged environment brought under the mine, its inside all is integrated with various environment usually and regulates facility, matches with sensor through controller or control chip; Detect the various environmental parameters in the hedging lifesaving appliance, and regulate the operation of facility according to all kinds of environment in external control instruction or the testing result control hedging lifesaving appliance.At present; Most of hedging lifesaving appliances all are to adopt mine explosion-suppression and intrinsic safety to measure the nucleus equipment of controller as the electric control system part; Functions such as adjusting of environmental parameter intelligence and one-touch control are all complied with this controller realization in the hedging lifesaving appliance; So the reliability and stability of this controller are determining the performance of whole down-hole hedging lifesaving appliance, it is long or do not have under the rescue situation especially in mine accident to take place rescue time, and it is inner that underground operators need be in the hedging lifesaving appliance for a long time; And most down-hole hedging lifesaving appliance all adopts the sensor acquisition environmental parameter; Through the various environment adjusting devices of hedging personnel manual operation, so not only produce unnecessary work, the also invisible psychological burden that increases the hedging personnel.And few part avoiding device is also arranged is to adopt mine explosion-suppression and intrinsic safety to measure controller to carry out robotization control; In accident generation hedging process, just need mine explosion-suppression and intrinsic safety to measure the continual work of controller; And also only integrated single controller in the electric control system of the hedging lifesaving appliance of present rare employing mine explosion-suppression and intrinsic safety measurement controller; Break down like controller, then whole electric control system is ineffective, needs the various environment of underground operators manual operation to regulate facility; Even, cause serious threat in life security undoubtedly to underground operators because of the damage of control system influences the normal use that component environment is regulated setting.
Summary of the invention
The objective of the invention is to solve above-mentioned deficiency, provide a kind of performance more reliable, and the electric double-core control system and the control method thereof of stable down-hole avoiding device.
For solving above-mentioned technical matters, the present invention adopts following technical scheme:
One aspect of the present invention provides the electric double-core control system of a kind of down-hole avoiding device; Comprise watchdog reset chip, logic circuit unit and the first Single-chip Controlling unit and second singlechip control module in the described control system; The first Single-chip Controlling unit inserts the watchdog reset chip; The watchdog reset chip and the first Single-chip Controlling unit insert logic circuit unit respectively; Logic circuit unit also inserts the second singlechip control module, and two Single-chip Controlling unit can both independent processing down-hole avoiding device in each item data message of electrical equipment;
When the first Single-chip Controlling unit is running status; The second singlechip control module is dormant state, and the watchdog reset chip is used to receive and comes from the continuous signal that the first Single-chip Controlling unit is exported, when it detects the first Single-chip Controlling unit and does not have continuous signal output; Promptly the logic circuit unit to the second singlechip control module of its access sends enabled instruction; Logic circuit unit sends activation instruction to the second singlechip control module and wakes up after detecting this enabled instruction, makes it convert running status into; Logic circuit unit also sends the dormancy instruction to the first Single-chip Controlling unit, makes it convert dormant state into.
Further technical scheme is: do not have in the control system when being the Single-chip Controlling unit of running status when logic circuit unit detects, logic circuit unit sends activation instruction to one of them Single-chip Controlling unit that is dormant state and wakes up.
Further technical scheme is: the described first Single-chip Controlling unit is a main control unit; The second singlechip control module is subsequent use control module; Watchdog reset chip and main control unit insert logic circuit unit respectively, and logic circuit unit also inserts subsequent use control module, when the watchdog reset chip detection does not have continuous signal output to main control unit; Then send enabled instruction to logic circuit unit; Logic circuit unit promptly sends activation instruction to subsequent use control module and wakes up after detecting this enabled instruction, and sends the dormancy instruction to main control unit.
Technical scheme further is: described Single-chip Controlling unit is a core with the C8051F microcontroller.
Further technical scheme is again: described C8051F microcontroller is the explosion-suppression and intrinsic safety controller.
The present invention provides the electric double-core control control method of a kind of down-hole avoiding device on the other hand; Described control method is integrated watchdog reset chip and two Single-chip Controlling unit in electric control system; When the first Single-chip Controlling unit is running status; It has continuous signal to the output of watchdog reset chip, just looks at a dog reset chip and can receive continuous signal, and the second singlechip control module is dormant state; When the no continuous signal output of breaking down of the first Single-chip Controlling unit; When just looking at a dog reset chip and not receiving its continuous signal; Then send enabled instruction, when the logic circuit unit that inserts the second singlechip control module detects the enabled instruction that the watchdog reset chip sends, promptly send activation instruction to the second singlechip control module to the logic circuit unit that inserts the second singlechip control module; The second singlechip control module is waken up; Begin to take over the state operation of the first Single-chip Controlling unit, and send the dormancy instruction to the first Single-chip Controlling unit, make it convert dormant state into by logic circuit unit.
Technical scheme further is: the described first Single-chip Controlling unit is a main control unit; The second singlechip control module is subsequent use control module; When main control unit broke down, watchdog reset circuit sent enabled instruction to the logic circuit unit that inserts subsequent use control module, and logic circuit unit is after detecting this enabled instruction; Promptly send activation instruction, and send the dormancy instruction to main control unit to subsequent use control module.
Further technical scheme is again: described logic circuit unit during no singlechip controller operation, also is Single-chip Controlling unit transmission activation instruction of dormant state to one of them in detecting control system.
Compared with prior art; The invention has the beneficial effects as follows: through integrated two Single-chip Controlling unit in the electric control system of down-hole avoiding device, can one of them unit be damaged again after, another stand-by unit is taken over operation immediately; Guaranteed the stability of down-hole avoiding device electric control system; And help the operation of all kinds of environment adjusting devices in the avoiding device of down-hole, security is higher, can lower the casualty rate of coal mining accident in actual use to greatest extent; And the electric double-core control system of a kind of down-hole provided by the present invention avoiding device and control method thereof can adopt conventional logical circuit to cooperate establishment with singlechip control chip etc.; Framework is simple, can integrated use in the avoiding device of various types of down-holes, and range of application is wide.
Description of drawings
Fig. 1 is a system architecture diagram of the present invention.
Fig. 2 is a circuit system structural drawing of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further elaboration.
First kind of embodiment of the present invention is the electric double-core control system of a kind of down-hole avoiding device of being provided; It is applied to the intellectuality control of electrical equipment in the avoiding device of down-hole; Comprise watchdog reset chip, logic circuit unit and the first Single-chip Controlling unit and second singlechip control module in the described control system; The first Single-chip Controlling unit inserts the watchdog reset chip; The watchdog reset chip and the first Single-chip Controlling unit insert logic circuit unit respectively, and logic circuit unit also inserts the second singlechip control module, and two Single-chip Controlling unit can both independent processing down-hole avoiding device in each item data message of electrical equipment;
According to foregoing; With reference to shown in Figure 1, inventor of the present invention thinks that two preferably above-mentioned Single-chip Controlling unit are set to main control unit and subsequent use control module, on its access way in system; Consider that two Single-chip Controlling unit will form the relation of primary and secondary; Therefore watchdog reset chip and main control unit are inserted logic circuit unit respectively, logic circuit unit inserts subsequent use control module again, when the watchdog reset chip detection does not have continuous signal output to main control unit; Then send enabled instruction to logic circuit unit; Logic circuit unit promptly sends activation instruction to subsequent use control module and wakes up after detecting this enabled instruction, and sends the dormancy instruction to main control unit.
The more concrete principle in two Single-chip Controlling unit of above-mentioned main control unit and subsequent use control module is: when the first Single-chip Controlling unit is running status; The second singlechip control module is dormant state; As above said, the watchdog reset chip is used to receive and comes from the continuous signal that the first Single-chip Controlling unit is exported, when it detects the first Single-chip Controlling unit and does not have continuous signal output; Promptly the logic circuit unit to the second singlechip control module of its access sends enabled instruction; Logic circuit unit sends activation instruction to the second singlechip control module and wakes up after detecting this enabled instruction, makes it convert running status into; Logic circuit unit also sends the dormancy instruction to the first Single-chip Controlling unit, makes it convert dormant state into.
Confirmablely according to foregoing be, the first Single-chip Controlling unit of running status is a main control unit, and the second singlechip control module that is dormant state is subsequent use control module.
And select in the core of Single-chip Controlling unit; Because of being the control system that is applied under the coal mine, all components and parts utilizations all will be under the prerequisite of explosion-proof double intrinsic safety function, therefore in this case; The inventor thinks that the core of highly preferred above-mentioned two Single-chip Controlling unit is the C8051F microcontroller; And there is no doubt that the C8051F microcontroller should possess explosion-proof type, be the explosion-suppression and intrinsic safety controller.
Through above-mentioned system architecture, can realize the seamless switching of two Single-chip Controlling cellular system commander power, this also is the key point that the present invention is different from prior art.
Electric double-core control system system according to above-mentioned down-hole avoiding device; Another embodiment of the invention is a kind of control method that this system is specifically controlled: described control method is integrated watchdog reset chip and two Single-chip Controlling unit in electric control system; When the first Single-chip Controlling unit is running status; It has continuous signal to export to the watchdog reset chip; Just look at a dog reset chip and can receive continuous signal, the second singlechip control module is dormant state; When the no continuous signal output of breaking down of the first Single-chip Controlling unit; When just looking at a dog reset chip and not receiving its continuous signal; Then send enabled instruction, when the logic circuit unit that inserts the second singlechip control module detects the enabled instruction that the watchdog reset chip sends, promptly send activation instruction to the second singlechip control module to the logic circuit unit that inserts the second singlechip control module; The second singlechip control module is waken up; Begin to take over the state operation of the first Single-chip Controlling unit, and send the dormancy instruction to the first Single-chip Controlling unit, make it convert dormant state into by logic circuit unit.
According to foregoing; The content of being put down in writing in the electric double-core control system structure in conjunction with the down-hole avoiding device of a kind of embodiment in the present invention can confirm that described two Single-chip Controlling unit are divided into main control unit and subsequent use control module, when main control unit breaks down; Watchdog reset circuit sends enabled instruction to the logic circuit unit that inserts subsequent use control module; Logic circuit unit promptly sends activation instruction to subsequent use control module after detecting this enabled instruction, and sends the dormancy instruction to main control unit; Be that what move under the normality is main control unit; Dormancy be subsequent use control module, this content inventor thinks does not have aforementioned clearly defining main control unit and subsequent use control module even if need to prove by the preferred form that can be used as this kind embodiment; Only adopt the Single-chip Controlling unit of two identical functions, the electric double-core control system of a kind of down-hole of the present invention avoiding device and control method thereof remain and can realize.
Inventor of the present invention in addition finds through experiment; Also possibly occur main control unit in the control system and two Single-chip Controlling unit of subsequent use control module all are in dormant state, under the situation that for example the down-hole avoiding device lays up for a long time, promptly can occur logic circuit unit after system powers on after receiving that the watchdog reset chip sends enabled instruction; The situation of no Single-chip Controlling unit in the detection system; To this problem, the inventor is on the basis of existing embodiment, when logic circuit unit is designed in detecting control system, not have the Single-chip Controlling unit of operation; Also sending activation instruction to one of them Single-chip Controlling unit wakes up; As shown in Figure 1 again, logic circuit unit preferably sends activation instruction to subsequent use control module in such cases, can keep consistency with aforesaid system architecture like this.
Combine Fig. 2 below again; Function of the present invention is further described; The electric double-core control method of down-hole of the present invention avoiding device, its critical component is the chip IMP706R that resets of band watchdog function, the operation of its The software adopted u/COS parallel mode; When the main control unit operate as normal, the WDT_INPUT interface that passes through that it does not stop sends continuous signal to watchdog reset chip I MP706R; When watchdog reset chip I MP706R can receive the signal of main control unit transmission continuously, think that then main control unit is in proper working order, the IMP706R chip is not done any reaction.When watchdog reset chip I MP706R does not receive continuous signal; Think that then main control unit breaks down, so the IMP706R chip sends enabled instruction through the SOFT_RESET interface to the logic circuit unit that inserts the backup control module, logic circuit unit sends activation instruction to the backup control module immediately; The backup control module is started working; This moment, main control unit converted dormant state under the effect of logic circuit unit dormancy instruction, did not influence the operation of backup control module; Make to remain a Single-chip Controlling unit in the control system, guarantee the operate as normal of system in running status.
Above-mentioned only is the preferred embodiments of the present invention; It is not qualification to protection domain of the present invention; But the inventor for guaranteeing those of ordinary skill in the art's smooth implementation this programme, has done comparatively to specify to the part technological means in embodiment, be to be understood that into; The matter such as any that the electric double-core control system of a kind of down-hole of the present invention avoiding device and control method thereof are made does not have the change of essence technique effect, all within protection scope of the present invention.
Claims (8)
1. the electric double-core control system of a down-hole avoiding device; It is characterized in that: comprise watchdog reset chip, logic circuit unit and the first Single-chip Controlling unit and second singlechip control module in the described control system; The first Single-chip Controlling unit inserts the watchdog reset chip; The watchdog reset chip and the first Single-chip Controlling unit insert logic circuit unit respectively; Logic circuit unit also inserts the second singlechip control module, and two Single-chip Controlling unit can both independent processing down-hole avoiding device in each item data message of electrical equipment;
When the first Single-chip Controlling unit is running status; The second singlechip control module is dormant state, and the watchdog reset chip is used to receive and comes from the continuous signal that the first Single-chip Controlling unit is exported, when it detects the first Single-chip Controlling unit and does not have continuous signal output; Promptly the logic circuit unit to the second singlechip control module of its access sends enabled instruction; Logic circuit unit sends activation instruction to the second singlechip control module and wakes up after detecting this enabled instruction, makes it convert running status into; Logic circuit unit also sends the dormancy instruction to the first Single-chip Controlling unit, makes it convert dormant state into.
2. the electric double-core control system of down-hole according to claim 1 avoiding device; It is characterized in that: do not have when being the Single-chip Controlling unit of running status when logic circuit unit detects in the control system, logic circuit unit sends activation instruction to one of them Single-chip Controlling unit that is dormant state and wakes up.
3. the electric double-core control system of down-hole according to claim 1 avoiding device; It is characterized in that: the described first Single-chip Controlling unit is a main control unit, and the second singlechip control module is subsequent use control module, and watchdog reset chip and main control unit insert logic circuit unit respectively; Logic circuit unit also inserts subsequent use control module; When the watchdog reset chip detection does not have continuous signal output to main control unit, then send enabled instruction to logic circuit unit, logic circuit unit is after detecting this enabled instruction; Promptly send activation instruction and wake up, and send the dormancy instruction to main control unit to subsequent use control module.
4. the electric double-core control system of down-hole according to claim 1 avoiding device is characterized in that: described Single-chip Controlling unit is a core with the C8051F microcontroller.
5. the electric double-core control system of down-hole according to claim 4 avoiding device is characterized in that: described C8051F microcontroller is the explosion-suppression and intrinsic safety controller.
6. the electric double-core of a down-hole avoiding device is controlled control method; It is characterized in that: described control method is integrated watchdog reset chip and two Single-chip Controlling unit in electric control system; When the first Single-chip Controlling unit is running status; It has continuous signal to the output of watchdog reset chip, just looks at a dog reset chip and can receive continuous signal, and the second singlechip control module is dormant state; When the no continuous signal output of breaking down of the first Single-chip Controlling unit; When just looking at a dog reset chip and not receiving its continuous signal; Then send enabled instruction, when the logic circuit unit that inserts the second singlechip control module detects the enabled instruction that the watchdog reset chip sends, promptly send activation instruction to the second singlechip control module to the logic circuit unit that inserts the second singlechip control module; The second singlechip control module is waken up; Begin to take over the state operation of the first Single-chip Controlling unit, and send the dormancy instruction to the first Single-chip Controlling unit, make it convert dormant state into by logic circuit unit.
7. the electric double-core control control method of down-hole according to claim 4 avoiding device; It is characterized in that: the described first Single-chip Controlling unit is a main control unit; The second singlechip control module is subsequent use control module; When main control unit broke down, watchdog reset circuit sent enabled instruction to the logic circuit unit that inserts subsequent use control module, and logic circuit unit is after detecting this enabled instruction; Promptly send activation instruction, and send the dormancy instruction to main control unit to subsequent use control module.
8. control control method according to the electric double-core of claim 6 or 7 described down-hole avoiding devices; It is characterized in that: described logic circuit unit during the operation of no singlechip controller, also sends activation instruction to one of them Single-chip Controlling unit that is dormant state in detecting control system.
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| CN2012100498164A CN102591237A (en) | 2012-02-29 | 2012-02-29 | Electrical dual-core control system of underground risk-avoiding apparatus and control method thereof |
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| CN2012100498164A CN102591237A (en) | 2012-02-29 | 2012-02-29 | Electrical dual-core control system of underground risk-avoiding apparatus and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103809471A (en) * | 2012-11-15 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Novel automatic switchover emergency processing device and implementing method thereof |
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| JPH0433138A (en) * | 1990-05-30 | 1992-02-04 | Fujitsu Ltd | Cpu runaway monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103809471A (en) * | 2012-11-15 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Novel automatic switchover emergency processing device and implementing method thereof |
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Application publication date: 20120718 |