CN201865770U - Boat cabin safety protection module - Google Patents
Boat cabin safety protection module Download PDFInfo
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- CN201865770U CN201865770U CN2010206358807U CN201020635880U CN201865770U CN 201865770 U CN201865770 U CN 201865770U CN 2010206358807 U CN2010206358807 U CN 2010206358807U CN 201020635880 U CN201020635880 U CN 201020635880U CN 201865770 U CN201865770 U CN 201865770U
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Abstract
The utility model discloses a boat cabin safety protection module, which comprises a switch quantity input circuit, an analog quantity input circuit, a thermocouple measuring signal input circuit, a pulse signal input circuit, a relay output circuit, an analog quantity output circuit, an embedded microcontroller module and a power supply circuit for power supply, wherein the embedded microcontroller module is used for receiving signals output by the switch quantity input circuit, the analog quantity input circuit, the thermocouple measuring signal input circuit and the pulse signal input circuit, carrying out analysis and operation on the received signals and carrying out two-way communication with the outside through an in-site bus, and the embedded microcontroller module outputs safety control signals to an executing mechanism of a boat diesel engine through the relay output circuit and the analog quantity output circuit according to the analysis and operation results or external control instructions received from the in-site bus. The boat cabin safety protection module can be used for carrying out real-time monitoring on the operation state of the boat diesel engine, and the treatment measure can be adopted in time once the fault occurs.
Description
Technical field
The utility model relates to the watercraft engine room automatic field, relates in particular to a kind of boat diesel engine safety protection device.
Background technique
Marine diesel engine is the power heart of boats and ships, also is the maximum equipment of fault in the ship machinery system, and it is the basic guarantee of safety of ship operation.Because its complex structure, operating conditions is abominable, continuous working period is long, the possibility that breaks down is very big, in case break down, not only influence the proper functioning of whole Ship Power Equipment, cause the tremendous economic loss, even jeopardize personal safety, cause a serious accident.
Past, main leaning on manually passed judgment on and fault diagnosis the running state of boat diesel engine by rule of thumb because monitoring means falls behind.Because the diesel engine complex structure, failure mode is various, is easy to misjudgement take place or fail to judge.This traditional fault detection method is poor reliability not only, and labor intensity is big, and interval between diagnosis is long, thereby has increased the diesel engine maintenance cost, has reduced marine system Security and reliability.Therefore, exploitation has intellectuality, networking, unitized diesel engine safety protection device, in time grasps the working state of diesel engine, finds and fixes a breakdown, and is significant to the safe operation that ensures diesel engine.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of watercraft engine room security protection module, and it can carry out real-time monitoring to it in the boat diesel engine running, differentiates running state, in case find fault, in time takes treatment measures.
The technological scheme that the utility model adopted is: a kind of watercraft engine room security protection module comprises: switching value input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit, pulse signal input circuit, relay output circuit, analogue quantity output circuit, embedded microcontroller module and power circuit; Wherein: the embedded microcontroller module, the signal that is used for receiving key amount input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit and pulse signal input circuit output, and the signal that is received analyzed computing, and carry out both-way communication by Field bus and outside; This embedded microcontroller module is according to the external control instruction of analyzing operation result or receiving from Field bus, by relay output circuit and the analogue quantity output circuit actuator's output safety control signal to boat diesel engine; Power circuit is used for to switching value input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit, pulse signal input circuit, relay output circuit, analogue quantity output circuit and embedded microcontroller module for power supply.
The utility model can be monitored the running state of boat diesel engine in real time, differentiates the condition of stop in emergency condition, safety protection Parking condition and the various faults of reduction of speed condition, in case find fault, in time takes treatment measures by output circuit.But the utility model is the parameter index of the different diesel engines of flexible adaptation also.
Description of drawings
Fig. 1 is the theory diagram of watercraft engine room security protection module of the present utility model.
Fig. 2 is the theory diagram of the embedded microcontroller module of watercraft engine room security protection module of the present utility model.
Fig. 3 is the circuit theory diagrams of the power module of watercraft engine room security protection module of the present utility model.
Fig. 4 is the circuit theory road of the switching value input circlult of watercraft engine room security protection module of the present utility model.
Fig. 5 and Fig. 6 are respectively the theory diagram and the circuit theory diagrams of the simulated measurement input circuit of watercraft engine room security protection module of the present utility model.
Fig. 7 is the circuit theory diagrams of the thermocouple measurement signal input circuit of watercraft engine room security protection module of the present utility model.
Fig. 8 is the circuit theory diagrams of the pulse signal input circuit of watercraft engine room security protection module of the present utility model.
Fig. 9 is the circuit theory diagrams of the relay output circuit of watercraft engine room security protection module of the present utility model.
Figure 10 and Figure 11 are respectively the theory diagram and the circuit theory diagrams of the analogue quantity output circuit of watercraft engine room security protection module of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is made and to be further specified.
As shown in Figure 1; watercraft engine room security protection module of the present utility model comprises: embedded microcontroller module 1, power circuit 2, switching value input circlult 3, simulated measurement input circuit 4, thermocouple measurement signal input circuit 5, pulse signal input circuit 6, relay output circuit 7 and analogue quantity output circuit 8.
Boat diesel engine is carried out the thermal parameter monitoring monitoring parameter signal that obtains to be input to respectively in switching value input circlult 3, simulated measurement input circuit 4, thermocouple measurement signal input circuit 5 and the pulse signal input circuit 6 and to be nursed one's health and conversion.Above-mentioned thermal parameter comprises delivery temperature, rotating speed, oil temperature, cooling water outlet and inlet temperature, lubricating oil pressure, lubricating oil pressure reduction etc.The output terminal of switching value input circlult 3, simulated measurement input circuit 4, thermocouple measurement signal input circuit 5 and pulse signal input circuit 6 is electrically connected with the input end of embedded microcontroller module 1, and the input end of relay output circuit 7 and analogue quantity output circuit 8 is electrically connected with the output terminal of embedded microcontroller module 1.
Embedded microcontroller module 1 is used for the signal of receiving key amount input circlult 3, simulated measurement input circuit 4, thermocouple measurement signal input circuit 5 and pulse signal input circuit 6 outputs, and the signal that is received analyzed computing, and carry out both-way communication by Field bus and outside.This embedded microcontroller module 1 is according to the external control instruction of analyzing operation result or receiving from Field bus, by relay output circuit 7 and the analogue quantity output circuit 8 actuator's output safety control signal to boat diesel engine.
In a kind of preferred implementation of the present utility model, embedded microcontroller module 1 has adopted 32 general-purpose built-in type arm processor LPC2129.As shown in Figure 1, the output signal of switching value input circlult 3 outputs to the GPIO interface 101 of arm processor LPC2129, the output signal of simulated measurement input circuit 4 and thermocouple measurement signal input circuit 5 outputs to the ADC interface 102 of arm processor LPC2129, and the signal of pulse signal input circuit 6 outputs outputs to the counter 103 of arm processor LPC2129.Arm processor LPC2129 outputs signal to relay output circuit 7 by GPIO interface 104, gives analogue quantity output circuit 8 by SPI serial 105 interface output signal.
As shown in Figure 2, embedded microcontroller module 1 comprises: safety protection parking and recovery unit 11, can control safety protection parking unit 12, safety protection reduction of speed and recovery unit 13 more, can control safety protection reduction of speed unit 14, emergency shut-down control device unit 15 and redundant CAN bus communication unit 16 more.
Redundant CAN bus communication unit 16 is used for realizing safety protection parking and recovery unit 11, can control safety protection parking unit 12, safety protection reduction of speed and recovery unit 13 more, can controlling safety protection reduction of speed unit 14 and emergency shut-down control device unit 15 and outside both-way communication more by the CAN bus.
Safety protection parking and recovery unit 11 are used for the signal that receives from switching value input circlult 3, simulated measurement input circuit 4, thermocouple measurement signal input circuit 5 and pulse signal input circuit 6 is analyzed computing, judge whether needs safety protection parking according to analyzing operation result, stop as the needs safety protection, then by the actuator output safety protection parking control signal of relay output circuit 7 to boat diesel engine; After output safety protection parking control signal; no longer needing to carry out safety protection through maintenance overhaul stops; then the external staff can be to this safety protection parking and recovery unit 11 inputs one reseting request signal; safety protection parking and recovery unit 11 are when receiving the reseting request signal of being imported by the outside, and safety protection parking control signal resets.Exceed the speed limit, during safety protection trouble of shutdown such as lubricating oil pressure is low, fresh water temperature height; safety protection parking and recovery unit 11 can automatically perform the safety protection parking function; trigger the action of parking solenoid valve by relay output circuit 7, to guarantee the safety of diesel engine.And can send diesel engine trouble of shutdown signal by CAN network and I/O alignment other system.After parking checking was errorless, need stop to the watercraft engine room security protection module resetted, but main frame ability restarting.Judge whether to carry out the safety protection parking and be provided with 15 parameters altogether, they not only can be the signals by each input circlult input, can also be the data that receive by the CAN bus.
Can control safety protection parking unit 12 more and be used for receiving one can control safety protection parking demand signal more the time, control safety protection parking control signal time-delay output.Can control more that safety protection stops is under specific situation, during for protection boats and ships safe, forbids a kind of extreme measures that the diesel engine safety protection is stopped, and does not generally advise using.Receive can control safety protection parking demand signal more the time when controlling safety protection parking unit 12 more, between certain time delay in, can cancel the safety protection shut-down operation.Can regulate delay time respectively to each safety protection parking control signal.
Safety protection reduction of speed and recovery unit 13 are used for the signal that receives from switching value input circlult 3, simulated measurement input circuit 4, thermocouple measurement signal input circuit 5 and pulse signal input circuit 6 is analyzed computing, judge whether needs safety protection reduction of speed according to analyzing operation result, as needs safety protection reduction of speed, then by the actuator output safety protection reduction of speed control signal of relay output circuit 7 to boat diesel engine; After output safety protection reduction of speed control signal; no longer need to carry out the safety protection reduction of speed through maintenance overhaul; then the external staff can stop reduced speed request signal to this safety protection reduction of speed and recovery unit 13 inputs one; safety protection reduction of speed and recovery unit 13 receive by outside input stop reduced speed request signal the time, safety protection reduction of speed control signal resets.Reset as judging not needs safety protection reduction of speed according to analyzing operation result, then this safety protection reduction of speed control signal being cancelled.If during reduction of speed faults such as the generation lubricating oil pressure is low, fresh water temperature height; safety protection reduction of speed and recovery unit 13 can automatically perform diesel engine reduction of speed function; output safety protection reduction of speed control signal also can be delivered to other system by CAN network and I/O line with safety protection reduction of speed control signal simultaneously.After the reduction of speed fault is eliminated, need that the watercraft engine room security protection module is carried out reduction of speed and reset, could cancel reduction of speed output.Judge whether to carry out the safety protection reduction of speed and be provided with 15 parameters altogether, they not only can be the signals by each input circlult input, can also be the data that receive by the CAN bus.
Can control safety protection reduction of speed unit 13 more and be used for receiving one can control the safety protection reduced speed request signal more the time, control safety protection reduction of speed control signal time-delay output.Can control reduction of speed more is under specific situation, and during for protection boats and ships safe, a kind of extreme measures of forbidding diesel engine safety protection reduction of speed does not generally advise using.Receive can control reduced speed request signal more the time when controlling safety protection reduction of speed unit 13 more, between certain time delay in, can cancel the operation of safety protection reduction of speed.Can regulate delay time respectively to each safety protection reduction of speed control signal.
Emergency shut-down control device unit 15 is used for exporting an emergency shut-down control device signal by relay output circuit 7 to the actuator of boat diesel engine receiving when stopping in emergency demand signal.Stopping in emergency is when system's generation emergency, presses emergency stop push button by operator, makes the solenoid valve direct action of stopping in emergency, and guarantees the emergency measure of security of system.When receiving that emergency shut-down control device unit 15 stops in emergency demand signal, can automatically perform the function of stopping in emergency, trigger the action of parking solenoid valve, send the emergency shut-down control device signal to other system simultaneously.The demand signal that stops in emergency can be the signal by the input of switching value input circlult, also can be the data that receive by the CAN bus.
Safety protection parking and recovery unit 11, can control safety protection parking unit 12, safety protection reduction of speed and recovery unit 13 more, can control safety protection reduction of speed unit 14 more and emergency shut-down control device unit 15 can be realized by software.Power circuit 2 is used for to switching value input circlult 3, simulated measurement input circuit 4, thermocouple measurement signal input circuit 5, pulse signal input circuit 6, relay output circuit 7, analogue quantity output circuit 8 and 1 power supply of embedded microcontroller module.Fig. 3 shows the principle schematic of power circuit 2.Power circuit 2 uses the U1 among DC-DC module FKC12(Fig. 2) can provide+15V and-15V two-way DC power supply.+ 15V power supply is by three terminal regulator 7809,7805 generation+5V power supplys, and-15V power supply is by three terminal regulator 7909,7905 generation-5V power supplys.For analog-and digital-power supply not being disturbed mutually and not having pressure drop, used the inductance isolation in the circuit.M5V is produced by adjustable reference data voltage chip TL431, gives the power supply of thermal resistor bridge circuit separately.This is because thermal resistor is the simulation small-signal, so for avoiding noise jamming power supply separately.
The circuit of switching value input circlult 3 as shown in Figure 4.The input signal of switching value input circlult 3 is 24VDC voltage signals, and the universaling I/O port of embedded microcontroller module can bear 5V voltage, thus switching value input circlult 3 to have adopted model be that the photo coupler of PS2801-4 is to the input signal isolated buck.The V of PNP pipe BC847
BcCan bear 50V voltage, most of voltage drop of input signal is between the collector electrode and base stage of PNP pipe BC847.Zener diode MMBD7000 is stabilized in voltage about 1.2V, the electric current that flows into diode among the photo coupler PS2801-4 like this about 5mA, the equivalence element characteristic.When the diode conducting, photo coupler PS2801-4 output 5V high level, when not conducting of diode, photo coupler PS2801-4 output 0V low level.Output inserts the universaling I/O port of embedded microcontroller module.
In conjunction with Fig. 5 and shown in Figure 6, simulated measurement input circuit 4 comprises: current signal sample circuit 41, electric current are to voltage signal conversion circuit 42, one-to-many path analoging switch unit 43, voltage difference amplifying unit 44 and bleeder circuit 45.
Current signal sample circuit 41 sampling 4-20mA current signals, it has mainly adopted one 500
Sample resistance is sampled to the 4-20mA current signal.Electric current to the input end of voltage signal conversion circuit 42 is electrically connected with the output terminal of current signal sample circuit 41, exports to one-to-many path analoging switch unit 43 after being used for the 4-20mA circuit signal is converted to the 2-10V voltage signal.It is the chip of ADG508 that this one-to-many path analoging switch unit 43 has adopted model, to the 42 2-10V voltage signals of importing carry out gating from electric current to the voltage signal conversion circuit.The input end of voltage difference amplifying unit 44 is electrically connected with the output terminal of one-to-many path analoging switch unit 43, is used for the voltage signal of one-to-many path analoging switch unit 43 outputs is carried out the difference amplification.That this voltage difference amplifying unit mainly adopts is difference amplifier INA117.The input end of bleeder circuit 45 is electrically connected with the output terminal of voltage difference amplifying unit 44, be used for 2-10V voltage signal with voltage difference amplifying unit 44 output and convert the ADC input pin of exporting to the embedded microcontroller module behind the 0.5-2.5V voltage signal to, convert digital signal to.This bleeder circuit 45 mainly is to utilize resistance to realize dividing potential drop.
As shown in Figure 7, thermocouple measurement signal input circuit 5 mainly is made up of the thermocouple amplifier chip, be used for the signal of two signal end outputs of thermocouple sensor is amplified, the voltage signal after amplifying be imported into the ADC pin of embedded microcontroller module.The thermocouple amplifier chip AD595 that the utility model preferably adopts is a thermocouple amplifier that AD company produces, and it all is integrated in console amplifier and thermocouple cold end compensator on the monolithic chip, produces one 10 mV/ ℃ output.
As shown in Figure 8, pulse signal input circuit 6 comprises optical coupling isolation circuit and shaping circuit.Optical coupling isolation circuit has adopted high speed optoelectronic coupling isolation module TLP113, and the pulse signal that is used for receiving carries out exporting after the light-coupled isolation.5 pin of TLP113 and the indirect pull-up resistor of 6 pin, 5 pin are 0V when the conducting of NPN pipe; When NPN pipe disconnects 5 pin by on move 5V to.Two electric capacity of TLP113 play the effect of elimination clutter.The input end of shaping circuit is electrically connected with the output terminal of optical coupling isolation circuit, is used for the output signal of optical coupling isolation circuit is carried out exporting to the embedded microcontroller module after the shaping.It is the schmitt trigger of 74HC14 that this shaping circuit can adopt model, in order to remove clutter, makes signal along steep, and the signal after the light-coupled isolation is carried out the Shi Mite shaping.In a kind of preferred implementation, two CPU technology have been adopted in the pulsed quantity collection.That is: embedded microcontroller module 1 comprises: host CPU (model is LPC2129) and be LPC2102 from the CPU(model), at first input to from CPU through the pulsed quantity signal after the shaping, be transferred to host CPU from CPU by SPI serial ports 105 by this then.
The principle of relay output circuit 7 as shown in Figure 9.When the universaling I/O port output 5V of embedded microcontroller module 1 high level, PNP pipe BC847 conducting, relay line band electricity, G1 is connected with DO1; When the universaling I/O port output 0V of embedded microcontroller module 1 low level, not conducting of PNP pipe BC847, relay line bag dead electricity, G1 and DO1 disconnect.
As shown in Figure 10 and Figure 11, analogue quantity output circuit 8 comprises: D/A converting circuit 81, voltage conversion circuit 82 and voltage are to current signal conversion circuit 83.
The digital signal that D/A converting circuit 81 is used for receiving from embedded microcontroller module 1 is converted to the 0-5V voltage signal.It is the analog-digital chip of AD5320 that this D/A converting circuit 81 has mainly adopted model.Embedded microcontroller module 1 to two byte datas of AD5320 transmission, wherein comprises the voltage output code value of 12 binary digits by the SPI serial ports.AD5320 can be according to formula according to the output of the numerical code in input register correspondent voltage signal, and the voltage signal scope is 0-5V.The input end of voltage conversion circuit 82 is electrically connected with the output terminal of D/A converting circuit, exports after the 0-5V voltage signal that is used for receiving from D/A converting circuit 81 is transformed to the 0-10V voltage signal.This voltage conversion circuit 82 has mainly adopted amplifier.Voltage to current signal conversion circuit 83 input ends are electrically connected with the output terminal of voltage conversion circuit 82, export after will being converted to the 4-20mA current signal from the 0-10V voltage signal that voltage conversion circuit 82 receives.In mode of execution shown in Figure 11, having adopted model is the voltage current transformation chip of AD694.
The foregoing description provides to those of ordinary skills and realizes or use of the present utility model; those of ordinary skills can be under the situation that does not break away from invention thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (8)
1. watercraft engine room security protection module, it is characterized in that, comprising: switching value input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit, pulse signal input circuit, relay output circuit, analogue quantity output circuit, embedded microcontroller module and power circuit; Wherein:
The embedded microcontroller module, be used to receive the signal of described switching value input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit and pulse signal input circuit output, and the signal that is received analyzed computing, and carry out both-way communication by Field bus and outside; This embedded microcontroller module is according to the external control instruction of analyzing operation result or receiving from Field bus, by described relay output circuit and the analogue quantity output circuit actuator's output safety control signal to boat diesel engine;
Power circuit is used for to described switching value input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit, pulse signal input circuit, relay output circuit, analogue quantity output circuit and embedded microcontroller module for power supply.
2. watercraft engine room security protection module as claimed in claim 1 is characterized in that, described embedded microcontroller module comprises:
Safety protection parking and recovery unit, be used for the signal that receives from described switching value input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit and pulse signal input circuit is analyzed computing, judge whether needs safety protection parking according to analyzing operation result, stop as the needs safety protection, then by the actuator output safety protection parking control signal of described relay output circuit to boat diesel engine; After output safety protection parking control signal, this safety protection parking and recovery unit are when receiving the reseting request signal of being imported by the outside, and described safety protection parking control signal resets;
Can control safety protection parking unit more, be used for receiving one can control safety protection parking demand signal more the time, control described safety protection parking control signal time-delay output;
Safety protection reduction of speed and recovery unit, be used for the signal that receives from described switching value input circlult, simulated measurement input circuit, thermocouple measurement signal input circuit and pulse signal input circuit is analyzed computing, judge whether needs safety protection reduction of speed according to analyzing operation result, as needs safety protection reduction of speed, then by the actuator output safety protection reduction of speed control signal of described relay output circuit to boat diesel engine; After output safety protection reduction of speed control signal, this safety protection reduction of speed and recovery unit receive by the outside input stop reduced speed request signal the time, described safety protection reduction of speed control signal resets;
Can control safety protection reduction of speed unit more, be used for receiving one can control the safety protection reduced speed request signal more the time, control described safety protection reduction of speed control signal time-delay output;
The emergency shut-down control device unit is used for exporting an emergency shut-down control device signal by described relay output circuit to the actuator of boat diesel engine receiving when stopping in emergency demand signal;
The redundant CAN bus communication unit is used for realizing described safety protection parking and recovery unit, can control safety protection parking unit, safety protection reduction of speed and recovery unit more, can controlling safety protection reduction of speed unit and emergency shut-down control device unit and outside both-way communication more by the CAN bus.
3. watercraft engine room security protection module as claimed in claim 1 is characterized in that, described simulated measurement input circuit comprises:
The current signal sample circuit, sampling 4-20mA current signal;
Electric current is to the voltage signal conversion circuit, and input end is electrically connected with the output terminal of described current signal sample circuit, exports after being used for the 4-20mA circuit signal is converted to the 2-10V voltage signal;
One-to-many path analoging switch unit, the input end of this one-to-many path analoging switch unit is electrically connected with the output terminal of described electric current to the voltage signal conversion circuit, is used for the 2-10V voltage signal of the input from electric current to the voltage signal conversion circuit is carried out gating;
Voltage difference amplifying unit, input end is electrically connected with the output terminal of described one-to-many path analoging switch unit, is used for the voltage signal of one-to-many path analoging switch unit output is carried out the difference amplification;
Bleeder circuit, input end is electrically connected with the output terminal of voltage difference amplifying unit, is used for exporting to described embedded microcontroller module after 2-10V voltage signal with voltage difference amplifying unit output converts the 0.5-2.5V voltage signal to.
4. watercraft engine room security protection module as claimed in claim 1 is characterized in that, described thermocouple measurement signal input circuit comprises a thermocouple amplifier chip.
5. watercraft engine room security protection module as claimed in claim 1 is characterized in that, described pulse signal input circuit comprises:
Optical coupling isolation circuit, the pulse signal that is used for receiving carries out exporting after the light-coupled isolation;
Shaping circuit, input end is electrically connected with the output terminal of described optical coupling isolation circuit, is used for the output signal of described optical coupling isolation circuit is carried out exporting to described embedded microcontroller module after the shaping.
6. watercraft engine room security protection module as claimed in claim 5 is characterized in that described shaping circuit is made up of schmitt trigger.
7. watercraft engine room security protection module as claimed in claim 1 is characterized in that, described analogue quantity output circuit comprises:
D/A converting circuit, the digital signal that is used for receiving from described embedded microcontroller module is converted to the 0-5V voltage signal;
Voltage conversion circuit, input end is electrically connected with the output terminal of described D/A converting circuit, exports after the 0-5V voltage signal that is used for receiving from described D/A converting circuit is transformed to the 0-10V voltage signal;
Voltage is to the current signal conversion circuit, and input end is electrically connected with the output terminal of described voltage conversion circuit, exports after the 0-10V voltage signal that is used for receiving from described voltage conversion circuit is converted to the 4-20mA current signal.
8. watercraft engine room security protection module as claimed in claim 1 is characterized in that, described embedded microcontroller module comprises host CPU and from CPU, described host CPU and described from CPU by the SPI serial communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206358807U CN201865770U (en) | 2010-12-01 | 2010-12-01 | Boat cabin safety protection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206358807U CN201865770U (en) | 2010-12-01 | 2010-12-01 | Boat cabin safety protection module |
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| CN201865770U true CN201865770U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206358807U Expired - Fee Related CN201865770U (en) | 2010-12-01 | 2010-12-01 | Boat cabin safety protection module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804115A (en) * | 2020-07-14 | 2020-10-23 | 浙江天地环保科技股份有限公司 | Electric control device and method for emergency stop of ship desulfurization washing tower |
| CN112099340A (en) * | 2020-09-27 | 2020-12-18 | 中油国家油气钻井装备工程技术研究中心有限公司 | Emergency stop redundancy control system and control method |
| CN114019850A (en) * | 2021-10-18 | 2022-02-08 | 中国舰船研究设计中心 | Auxiliary equipment IO signal modular processing device of boats and ships |
-
2010
- 2010-12-01 CN CN2010206358807U patent/CN201865770U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804115A (en) * | 2020-07-14 | 2020-10-23 | 浙江天地环保科技股份有限公司 | Electric control device and method for emergency stop of ship desulfurization washing tower |
| CN112099340A (en) * | 2020-09-27 | 2020-12-18 | 中油国家油气钻井装备工程技术研究中心有限公司 | Emergency stop redundancy control system and control method |
| CN112099340B (en) * | 2020-09-27 | 2023-08-29 | 中油国家油气钻井装备工程技术研究中心有限公司 | Emergency stop redundant control system and control method |
| CN114019850A (en) * | 2021-10-18 | 2022-02-08 | 中国舰船研究设计中心 | Auxiliary equipment IO signal modular processing device of boats and ships |
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