CN202005970U - Integrated control system for fire trucks - Google Patents
Integrated control system for fire trucks Download PDFInfo
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- CN202005970U CN202005970U CN2011200795513U CN201120079551U CN202005970U CN 202005970 U CN202005970 U CN 202005970U CN 2011200795513 U CN2011200795513 U CN 2011200795513U CN 201120079551 U CN201120079551 U CN 201120079551U CN 202005970 U CN202005970 U CN 202005970U
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- 238000006243 chemical reaction Methods 0.000 claims description 3
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Abstract
The utility model relates to an integrated control system for fire trucks, which belongs to the field of fire fighting equipment. The integrated control system structurally comprises a detection and control circuit, and a power supply protection circuit arranged in the state preceding a control system; the detection and control circuit comprises a mainframe controller, a CAN Bus communication circuit, an LCD (liquid crystal display) display circuit, a foam proportion control valve and solenoid valve control circuit, a signal acquisition circuit and a keyboard circuit; the CAN Bus communication circuit comprises a CAN controller and a CAN transceiver; the LCD display circuit comprises an ARM module and a liquid crystal display module; the foam proportion control valve and solenoid valve control circuit comprises an intelligent switch module and a foam proportion control valve; and the signal acquisition circuit comprises a signal acquisition processing controller and an external sensor. The integrated control system for fire trucks has the characteristics of high integration level, complete functions, short adjusting time and the like, can adjust the outlet water pressure required by a water pump and the opening of the foam proportion control valve, and has the advantages of easiness in mounting, simplicity and convenience in operation, intuition in display, safety and reliability.
Description
Technical field
The utility model relates to the fire-fighting equipment field, and particularly a kind of fire fighting truck integrated control system is used for fire pump discharge pressure, the mixing of foam ratio, magnetic valve etc. are controlled the monitoring that reaches the real-time working condition state.
Background technology
Fire pump discharge pressure control and foams mix proportion control are the key points of fire-fighting fire extinguishing fight.Because the complexity of fire-extinguishing location situation, confusion, in fire-fighting fight to the discharge pressure of fire pump and particularly important, the excessive or too small reduction that all can cause fire-fighting efficiency of fire pump discharge pressure and foams mix ratio to the accurate control of foams mix ratio.May cause pipeline damage even cause casualties if fire pump discharge pressure is excessive in course of battle; Too small then being difficult to of pressure reaches the required range requirement of fighting, and can't put out burning things which may cause a fire disaster.Foam ratio hybrid control system is the key of foam fire-fighting, and the quality that the foam ratio is mixed is directly connected to the efficient and even the success or failure of foam fire-fighting.
Above situation not only can be wasted limited water source and foam in the fire-fighting jar, and can incur loss through delay the preferably opportunity of fire extinguishing.Therefore our needs one cover can be accurately, and the control system of adjusting water pump water outlet pressure and foams mix ratio easily guarantees carrying out smoothly of fire-fighting fight.
Present most of fire fighting truck adopts the mode that fire pump discharge pressure and foams mix ratio are controlled respectively, the manual PTO control of the many employings of control device to fire pump discharge pressure, and the armstrong's patent control mode is adopted in the control of foams mix ratio more, the shortcoming of this type of device is:
1, fire pump discharge pressure should be stabilized in certain specific scope in the fire-fighting fight, can put out a fire effectively like this, also can guarantee fire fighter's personal safety simultaneously.But can cause the sudden change of fire pump discharge pressure for a certain reason, and owing to manual PTO control need manually be regulated and monitor, be difficult to accomplish quick response to the discharge pressure sudden change, thereby can't eliminate the influence of discharge pressure sudden change fast to fire fighting, gently then reduce fire-fighting efficiency, then can cause casualties when serious.
2, the foams mix proportional controller adopts machinery control more, can only switch at 3% and 6%, can not regulate more accurately.And for different foam-types, desired optimum mixture ratio example value is different during fire extinguishing, and mechanical type foams mix proportion control can't make the foam of each type all reach the effect of optimal proportion, does not possess versatility.
3, the demonstration of the state of existing fire pump discharge pressure Adjustment System and foam ratio hybrid control system and parameter is very simple, can't monitor and accurately check system mode and various data parameters in real time.
Summary of the invention
The purpose of this utility model is to provide a kind of fire fighting truck integrated control system, solved that manual PTO control exists can't eliminate fast the discharge pressure sudden change to the influence of fire fighting, foams mix ratio precision at the bottom of, can't monitor and accurately check problems such as system mode and various data parameters in real time.Have integrated level height, perfect in shape and function, adjusting time weak point, can monitor and characteristics such as adjusting automatically, liquid crystal real-time display system state, abnormal conditions warning and automatic processing the each several part operating mode, native system can be controlled the Engine ECU of support CAN Bus or the Engine ECU of support PTO mode with automatic mode or manual mode, to reach the required discharge pressure value of water pump, can also regulate foam proportion valve aperture with automatic mode or manual mode simultaneously, to reach required foam ratio.Native system is installed easy, easy and simple to handle, intuitive display, safe and reliable.
The technical scheme that the utility model technical solution problem is adopted is:
The fire fighting truck integrated control system, comprise and detecting and control circuit 1 and be arranged at the power protecting circuit 7 of control system prime, wherein, detection and control circuit 1 comprise console controller U1, CAN Bus communicating circuit 2, LCD display circuit 3, foam proportional control valve and solenoid valve control circuit 4, signal acquisition circuit 5 and keyboard circuit 6; CAN Bus communicating circuit 2 comprises CAN controller U2 and CAN transceiver 21; LCD display circuit 3 comprises ARM module U3 and LCD MODULE 31; Foam proportional control valve and solenoid valve control circuit 4 comprise intelligent switch module U4 and foam proportional control valve 41; Signal acquisition circuit 5 comprises signal acquisition process controller U5 and external sensor;
Described console controller U1 is connected with ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively by spi bus; Carry out transfer of data with master-slave mode by spi bus between console controller U1 and ARM module U3, intelligent switch module U4, the signal acquisition process controller U5, wherein console controller U1 is a main equipment, and ARM module U3, intelligent switch module U4, signal acquisition process controller U5 are from equipment;
The MOSI pin of console controller U1 is connected with the MISO pin of ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively, the MISO pin of console controller U1 is connected with the MOSI pin of ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively, and the SCLK pin of console controller U1 is connected with the SCLK pin of ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively; The SS_U3 of console controller U1, SS_U4, SS_U5 pin are connected with the SS_U3 pin of ARM module U3, the SS_U4 pin of intelligent switch module U4 and the SS_U5 pin of signal acquisition process controller U5 respectively; The sheet that SS_U3, SS_U4, SS_U5 pin are respectively ARM module U3, intelligent switch module U4, signal acquisition process controller U5 selects pin, when needing to carry out transfer of data when main equipment and between equipment, main equipment gating sheet selects pin, and slave begins to receive data or sends data to main equipment after receiving corresponding chip selection signal.
ARM module U3 receives the data that master controller sends by spi bus, and data are presented on the LCDs.
6 tunnel low-end switch LS4 of intelligent switch module U4, LS5, LS6, LS7, LS8, LS9 are connected with external scuttlebutt power supply 47 with flushing of pipeline valve 42, big gun valve 43, back water intaking valve 44, foam pressure water valve 45, foam stop valve 46 respectively; 2 tunnel high-end switch HS1, the HS2 of intelligent switch module U4 is connected with the Close pin with the Open of foam proportional control valve 41 respectively, the opening and closing of control foam proportioning valve; The Open_full pin of console controller U1 is connected with the Close_full_1 pin with the Open_full_1 pin of foam proportional control valve 41 respectively with the Close_full pin, is used for detecting foam proportional control valve full gate degree feedback and valve respectively and closes feedback states fully.Intelligent switch module U4 can detect the electric current in foam proportional control valve and the solenoid valve control circuit 4 and its peak value limited.
Signal acquisition circuit 5 is made up of signal acquisition process controller U5 and external sensor, this external sensor comprises that water flow sensor, foam stream quantity sensor, foam tank liquid level sensor, water pot liquid level sensor, the low liquid level sensor of foam, the low liquid level sensor of water pot, outlet water pressure sensor, inlet vacuum sensor and revolution speed sensor are connected with signal acquisition process controller U5 respectively, and signal acquisition process controller U5 carries out the sensing data that collects to send to console controller U1 after the computing.
Carry out transfer of data by CAN controller U2 and CAN transceiver 21 between console controller U1 and the fire fighting truck ECU; The WR of console controller U1, RD, ALE, INT pin are connected with WR, RD, ALE, the INT pin of CAN controller U2 respectively, are used for the transmission of control data.The AD0 of console controller U1, AD1, AD2, AD3, AD4, AD5, AD6, AD7 pin are connected with AD0, AD1, AD2, AD3, AD4, AD5, AD6, the AD7 pin of CAN controller U2 respectively, are the transfer of data pin.
Described power protecting circuit 7 is made up of electric current and voltage holding circuit 71 and voltage conversion circuit 72, electric current and voltage holding circuit 71 is made up of diode D1, overvoltage and low-voltage variation module 73, overcurrent protection module 74, positive source from chassis battery 75 is connected with diode D1 anode, the negative electrode of diode D1 is connected with low-voltage variation module 73 with overvoltage, and this overvoltage directly is connected with overcurrent protection module 74 with low-voltage variation module 73; Overcurrent protection module 74 is connected with voltage transformation module 76, and the OUT5V of voltage transformation module 76 links to each other with IN12V with the IN5V of power supply output 77 respectively with OUT12V.When supply voltage and electric current change and exceed overvoltage and the desired range circuit of overcurrent protection module can be cut off the electricity supply automatically, thereby protect entire circuit effectively.Power supply enters the voltage transformation module after handling through holding circuit; the voltage transformation module converts magnitude of voltage respectively to and is sent to power output end respectively behind 5V and the 12V and provides operating voltage for related circuit, and the OUT5V of voltage transformation module links to each other with IN12V with the IN5V of power supply output respectively with OUT12V.
The beneficial effects of the utility model are:
1, the utility model is the fire-fighting integrated control system, both can regulate fire pump discharge pressure by the rotating speed of control engine, can be used to regulate the foams mix ratio again.
2, the utility model adopts closed-loop control to the discharge pressure of fire pump, makes fire pump outlet pressure value can be stabilized in the setting value place.When fire pump outlet pressure value changed, system detected the variation of pressure by pressure sensor, can the quick adjustment engine speed change the rotating speed of fire pump, thereby make the fire pump outlet pressure get back to the setting value place.
3, the utility model adopts closed-loop control to the foams mix ratio, can regulate accurately and control the foams mix ratio.System calculates the foams mix ratio value by foam stream value and the current value that sensor is monitored in fire extinguishing procedure, if this value has departed from the foam ratio value of setting, the aperture that system can regulate the foam proportioning valve automatically makes the foam ratio value maintain the setting value place.The adjustable range of the foams mix ratio of native system is 0.0%～10%, and step value is 0.5%.
4, the utility model is furnished with various sensors and comes the various states of system are carried out comprehensive monitoring and control, and be furnished with LCD system mode and various important parameter are shown, simultaneity factor has perfect warning system, system judges according to the detected state of each sensor and data whether current system running state and work condition state be normal, and system can carry out alarm in the mode of literal or figure when error condition or abnormal conditions occurring.
5, the utlity model has effective power protection mechanism, when fire fighting truck chassis battery was the battery of 24V, this product allowed the fluctuation range of power supply between 12V～34V; When fire fighting truck chassis battery was the battery of 12V, this product allowed the fluctuation range of power supply between 6V～18V.This product will cut off the power supply automatically and guarantee device security when power-supply fluctuation exceeds this scope.This product reversal of power is withstand voltage up to 1000V, therefore can not cause damage to system when the power supply reversal connection.
6, the utility model is a most perfect present fire fighting truck integrated manipulator, and this product price ratio is very high, is fit to very much equipment China fire brigade.
Description of drawings
Fig. 1 is the utility model control section circuit diagram;
Fig. 2 is the utility model power protecting circuit figure;
Fig. 3 is the utility model power protecting circuit block diagram.
The specific embodiment
Embodiment
Referring to Fig. 1, the utility model fire fighting truck integrated control system comprises detection and control circuit 1 and is arranged at the power protecting circuit 7 of control system prime, wherein, detection and control circuit 1 comprise console controller U1, CAN Bus communicating circuit 2, LCD display circuit 3, foam proportional control valve and solenoid valve control circuit 4, signal acquisition circuit 5 and keyboard circuit 6; CAN Bus communicating circuit 2 comprises CAN controller U2 and CAN transceiver 21; LCD display circuit 3 comprises ARM module U3 and LCD MODULE 31; Foam proportional control valve and solenoid valve control circuit 4 comprise intelligent switch module U4 and foam proportional control valve 41; Signal acquisition circuit 5 comprises signal acquisition process controller U5 and external sensor;
Described console controller U1 is connected with ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively by spi bus; Carry out transfer of data with master-slave mode by spi bus between console controller U1 and ARM module U3, intelligent switch module U4, the signal acquisition process controller U5, wherein console controller U1 is a main equipment, and ARM module U3, intelligent switch module U4, signal acquisition process controller U5 are from equipment;
The MOSI pin of console controller U1 is connected with the MISO pin of ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively, the MISO pin of console controller U1 is connected with the MOSI pin of ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively, and the SCLK pin of console controller U1 is connected with the SCLK pin of ARM module U3, intelligent switch module U4 and signal acquisition process controller U5 respectively; The SS_U3 of console controller U1, SS_U4, SS_U5 pin are connected with the SS_U3 pin of ARM module U3, the SS_U4 pin of intelligent switch module U4 and the SS_U5 pin of signal acquisition process controller U5 respectively; The sheet that SS_U3, SS_U4, SS_U5 pin are respectively ARM module U3, intelligent switch module U4, signal acquisition process controller U5 selects pin, when needing to carry out transfer of data when main equipment and between equipment, main equipment gating sheet selects pin, and slave begins to receive data or sends data to main equipment after receiving corresponding chip selection signal.
ARM module U3 receives the data that master controller sends by spi bus, and data are presented on the LCDs.
6 tunnel low-end switch LS4 of intelligent switch module U4, LS5, LS6, LS7, LS8, LS9 are connected with external scuttlebutt power supply 47 with flushing of pipeline valve 42, big gun valve 43, back water intaking valve 44, foam pressure water valve 45, foam stop valve 46 respectively; 2 tunnel high-end switch HS1, the HS2 of intelligent switch module U4 is connected with the Close pin with the Open of foam proportional control valve 41 respectively, the opening and closing of control foam proportioning valve; The Open_full pin of console controller U1 is connected with the Close_full_1 pin with the Open_full_1 pin of foam proportional control valve 41 respectively with the Close_full pin, is used for detecting foam proportional control valve full gate degree feedback and valve respectively and closes feedback states fully.Intelligent switch module U4 can detect the electric current in foam proportional control valve and the solenoid valve control circuit 4 and its peak value limited.
Signal acquisition circuit 5 is made up of signal acquisition process controller U5 and external sensor, this external sensor comprises that water flow sensor, foam stream quantity sensor, foam tank liquid level sensor, water pot liquid level sensor, the low liquid level sensor of foam, the low liquid level sensor of water pot, outlet water pressure sensor, inlet vacuum sensor and revolution speed sensor are connected with signal acquisition process controller U5 respectively, and signal acquisition process controller U5 carries out the sensing data that collects to send to console controller U1 after the computing.
Carry out transfer of data by CAN controller U2 and CAN transceiver 21 between console controller U1 and the fire fighting truck ECU; The WR of console controller U1, RD, ALE, INT pin are connected with WR, RD, ALE, the INT pin of CAN controller U2 respectively, are used for the transmission of control data.The AD0 of console controller U1, AD1, AD2, AD3, AD4, AD5, AD6, AD7 pin are connected with AD0, AD1, AD2, AD3, AD4, AD5, AD6, the AD7 pin of CAN controller U2 respectively, are the transfer of data pin.
Referring to Fig. 2 and Fig. 3, power protecting circuit 7 is made up of electric current and voltage holding circuit 71 and voltage conversion circuit 72, electric current and voltage holding circuit 71 is made up of diode D1, overvoltage and low-voltage variation module 73, overcurrent protection module 74, positive source from chassis battery 75 is connected with diode D1 anode, the negative electrode of diode D1 is connected with low-voltage variation module 73 with overvoltage, and this overvoltage directly is connected with overcurrent protection module 74 with low-voltage variation module 73; Overcurrent protection module 74 is connected with voltage transformation module 76, and the OUT5V of voltage transformation module 76 links to each other with IN12V with the IN5V of power supply output 77 respectively with OUT12V.When supply voltage and electric current change and exceed overvoltage and the desired range circuit of overcurrent protection module can be cut off the electricity supply automatically, thereby protect entire circuit effectively.Power supply enters the voltage transformation module after handling through holding circuit; the voltage transformation module converts magnitude of voltage respectively to and is sent to power output end respectively behind 5V and the 12V and provides operating voltage for related circuit, and the OUT5V of voltage transformation module links to each other with IN12V with the IN5V of power supply output respectively with OUT12V.
The utility model can be controlled the Engine ECU of support CAN Bus or the Engine ECU of support PTO mode with automatic mode or manual mode, to reach the required discharge pressure value of water pump, can also regulate foam proportion valve aperture with automatic mode or manual mode, to reach required foam ratio.System can control each magnetic valve as required.Simultaneously the work condition state of fire fighting truck is monitored, controlled and shows.
Embodiment 2: hydraulic power control:
As shown in Figure 2, in signal acquisition circuit 5, gather signals such as fire pump outlet pressure, revolution speed by signal acquisition process controller U5, and will sending to console controller U1 after the signal process calculating that collect, console controller U1 handles the data that receive, show.Native system has two kinds to the control model of Engine ECU: a kind of is automatic control mode, and another kind is manual control model.
Automatic control mode is by control panel the exit of pump force value to be set, and the MCU of console controller U1 compares preset pressure value record storage back with detected water pump water outlet force value, be used as the foundation of control Engine ECU.When master controller U1 detects that the exit of pump force value sets value greater than (perhaps less than) and when exceeding certain limit, console controller U1 can send control command to Engine ECU, change the revolution speed of fire pump by the size of regulating engine speed, reduce (perhaps increasing) fire pump outlet pressure thereby reach, make exit of pump pressure maintain the setting value place.
Manually control model is directly to send to master controller U1 by the control command that operation control panel will increase (perhaps reducing) fire pump outlet pressure, master controller U1 sends control command to Engine ECU after receiving order, change the rotating speed of fire pump by the rotating speed of regulating engine, and then reach the purpose of increase (perhaps reducing) fire pump discharge pressure.After the control operation that stops key, fire pump will remain in operation with current speed, can not change with the fire pump outlet pressure.
Embodiment 3: the foams mix proportion control
The foams mix ratio system adopts traditional circular pump type Venturi tube mode, and installs the foam control valve on foam line additional.
As shown in Figure 2, in signal acquisition circuit 5, gather signals such as foam flow, discharge by signal acquisition process controller U5, and will send to console controller U1 after the signal process calculating that collect, console controller U1 is real-time foams mix ratio value with foam stream value and the current value work that receives than the data that obtain, and console controller U1 operates accordingly to foam proportion control valve as the case may be simultaneously.System has two kinds to the control model of foams mix proportioning valve 41: a kind of is automatic control mode, and another kind is manual control model.
Automatic control mode is by control panel required foams mix ratio value to be set, console controller U1 compares predefined foams mix ratio value record storage back and current real-time foams mix ratio value, the foundation of regulating as the foam proportioning valve.The real-time foams mix ratio value that receives as console controller U1 is greater than (perhaps less than) predefined foams mix ratio value, in order to make the foams mix ratio value maintain the preset value place, console controller U1 is according to the size of actual conditions control foam proportioning valve aperture.This moment, LCD LCD MODULE 31 shown foam ratio values were predefined foams mix ratio value.
Manually control model is to control the aperture of foam proportion control valve by operation control panel.Under manual mode, detect the operational order of increase (perhaps reducing) foam proportioning valve as console controller U1 after, console controller U1 sends the order of controlling opening of valve immediately to the foam proportion valve.After stopping key, console controller U1 will no longer send the control valve order, and the foams mix ratio value that show this moment is real-time foams mix ratio value.
Embodiment 4: solenoid control
Native system can be controlled each magnetic valve that comprises foam pressure water valve 45, foam stop valve 46, back water intaking valve 44, flushing of pipeline valve 42, big gun valve 43 as required, simultaneity factor can be carried out the sequential programming Control to each magnetic valve according to different needs, fetches water to finish automatically, outer suction, diversion, pipeline corresponding actions such as flushing automatically.
Embodiment 5: the real-time working condition condition monitoring
System carries out communication by CAN Bus and chassis ECU, can monitor car body state parameters such as engine speed, engine oil pressure, ECT, battery tension in real time, show on the LCD liquid crystal after the processing of these parameters through master controller U1, native system can give the alarm with literal or graphics mode when car body state generation ANOMALOUS VARIATIONS.
Embodiment 6: warning and abnormal conditions are handled automatically
Froth level sensor 53, the low liquid level sensor 55 of foam, water liquid level sensor 54 and the low liquid level sensor 56 of water all are housed respectively in the foam tank of fire fighting truck and water pot, console controller U1 judges the situation of foam tank liquid level and water pot liquid level according to the data that signal acquisition process controller U5 sends, and the data and the figure of foam tank liquid level and water pot liquid level percentage is presented on the LCDs.When the foam tank froth level be lower than 10% simultaneously the low liquid level sensor of foam to detect froth level low, console controller U1 sends to ARM module U3 and shows that LCD shows " the foam tank liquid level is low " order.In water pot the water liquid level be lower than 10% simultaneously the low liquid level sensor of water to detect the water liquid level low, console controller U1 send to show " the water pot liquid level is low " order to ARM module U3, reports to the police and does not have the staff 5 seconds and handle then that system can reduce to engine " idling " state automatically if water pot continues lack of water.
Native system also is furnished with vacuum sensor in the fire pump porch, when console controller U1 detects fire pump inlet excessive while of vacuum fire pump outlet hydraulic pressure and crosses abnormal conditions such as low, system can give the alarm, and engine is reduced to " idling " state automatically.
Claims (2)
1. fire fighting truck integrated control system, it is characterized in that: comprise and detecting and control circuit (1) and be arranged at the power protecting circuit (7) of control system prime, wherein, detection and control circuit (1) comprise console controller (U1), CAN Bus communicating circuit (2), LCD display circuit (3), foam proportional control valve and solenoid valve control circuit (4), signal acquisition circuit (5) and keyboard circuit (6); CAN Bus communicating circuit (2) comprises CAN controller (U2) and CAN transceiver (21); LCD display circuit (3) comprises ARM module (U3) and LCD MODULE (31); Foam proportional control valve and solenoid valve control circuit (4) comprise intelligent switch module (U4) and foam proportional control valve (41); Signal acquisition circuit (5) comprises signal acquisition process controller (U5) and external sensor;
Described console controller (U1) is connected with ARM module (U3), intelligent switch module (U4) and signal acquisition process controller (U5) respectively by spi bus; The MOSI pin of console controller (U1) is connected with the MISO pin of ARM module (U3), intelligent switch module (U4) and signal acquisition process controller (U5) respectively, the MISO pin of console controller (U1) is connected with the MOSI pin of ARM module (U3), intelligent switch module (U4) and signal acquisition process controller (U5) respectively, and the SCLK pin of console controller (U1) is connected with the SCLK pin of ARM module (U3), intelligent switch module (U4) and signal acquisition process controller (U5) respectively; SS_U3, the SS_U4 of console controller (U1), SS_U5 pin are connected with the SS_U3 pin of ARM module (U3), the SS_U4 pin of intelligent switch module (U4) and the SS_U5 pin of signal acquisition process controller (U5) respectively; The sheet that SS_U3, SS_U4, SS_U5 pin are respectively ARM module (U3), intelligent switch module (U4), signal acquisition process controller (U5) selects pin;
6 tunnel low-end switch LS4 of intelligent switch module (U4), LS5, LS6, LS7, LS8, LS9 are connected with external scuttlebutt power supply (47) with flushing of pipeline valve (42), big gun valve (43), back water intaking valve (44), foam pressure water valve (45), foam stop valve (46) respectively; 2 tunnel high-end switch HS1, the HS2 of intelligent switch module (U4) is connected with the Close pin with the Open of foam proportional control valve (41) respectively; The Open_full pin of console controller (U1) is connected with the Close_full_1 pin with the Open_full_1 pin of foam proportional control valve (41) respectively with the Close_full pin;
Signal acquisition circuit (5) is made up of signal acquisition process controller (U5) and external sensor, and this external sensor comprises water flow sensor (51), foam stream quantity sensor (52), foam tank liquid level sensor (53), water pot liquid level sensor (54), the low liquid level sensor (55) of foam, the low liquid level sensor (56) of water pot, outlet water pressure sensor (57), inlet vacuum sensor (58) and revolution speed sensor (59) and is connected with signal acquisition process controller (U5) respectively;
Carry out transfer of data by CAN controller (U2) and CAN transceiver (21) between console controller (U1) and the fire fighting truck ECU; WR, the RD of console controller (U1), ALE, INT pin are connected with WR, RD, ALE, the INT pin of CAN controller (U2) respectively; AD0, the AD1 of console controller (U1), AD2, AD3, AD4, AD5, AD6, AD7 pin are connected with AD0, AD1, AD2, AD3, AD4, AD5, AD6, the AD7 pin of CAN controller (U2) respectively, are the transfer of data pin.
2. fire fighting truck integrated control system according to claim 1, it is characterized in that: described power protecting circuit (7) is made up of electric current and voltage holding circuit (71) and voltage conversion circuit (72), electric current and voltage holding circuit (71) is by diode (D1), overvoltage and low-voltage variation module (73), overcurrent protection module (74) is formed, the positive source of battery (75) is connected with diode (D1) anode, the negative electrode of diode (D1) is connected with low-voltage variation module (73) with overvoltage, and this overvoltage directly is connected with overcurrent protection module (74) with low-voltage variation module (73); Overcurrent protection module (74) is connected with voltage transformation module (76), and the OUT5V of voltage transformation module (76) links to each other with IN12V with the IN5V of power supply output (77) respectively with OUT12V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200795513U CN202005970U (en) | 2011-03-24 | 2011-03-24 | Integrated control system for fire trucks |
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| CN2011200795513U CN202005970U (en) | 2011-03-24 | 2011-03-24 | Integrated control system for fire trucks |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493949A (en) * | 2011-11-30 | 2012-06-13 | 中国科学院自动化研究所 | Fire vehicle water pump control system |
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN102974061A (en) * | 2012-11-12 | 2013-03-20 | 哈尔滨工程大学 | Modularized ship fire-fighting control system |
| CN103736230A (en) * | 2013-10-28 | 2014-04-23 | 长沙中联消防机械有限公司 | Fire fighting truck and water fetching control device, system and method thereof |
| CN108478968A (en) * | 2018-03-26 | 2018-09-04 | 润泰救援装备科技河北有限公司 | Fire fighting truck emergency management and rescue control system and control method |
| CN112619018A (en) * | 2020-12-23 | 2021-04-09 | 武汉理工大学 | Intelligent fire fighting truck data acquisition and control system and control method thereof |
| CN115337578A (en) * | 2022-08-19 | 2022-11-15 | 徐工消防安全装备有限公司 | Foam mixed liquid control method, device and system, fire fighting vehicle and storage medium |
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2011
- 2011-03-24 CN CN2011200795513U patent/CN202005970U/en not_active Expired - Lifetime
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| CN102493949B (en) * | 2011-11-30 | 2015-04-15 | 中国科学院自动化研究所 | Fire vehicle water pump control system |
| CN102493949A (en) * | 2011-11-30 | 2012-06-13 | 中国科学院自动化研究所 | Fire vehicle water pump control system |
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN102681557B (en) * | 2012-01-10 | 2015-03-18 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN102974061A (en) * | 2012-11-12 | 2013-03-20 | 哈尔滨工程大学 | Modularized ship fire-fighting control system |
| CN102974061B (en) * | 2012-11-12 | 2015-03-11 | 哈尔滨工程大学 | Modularized ship fire-fighting control system |
| CN103736230A (en) * | 2013-10-28 | 2014-04-23 | 长沙中联消防机械有限公司 | Fire fighting truck and water fetching control device, system and method thereof |
| CN103736230B (en) * | 2013-10-28 | 2017-03-22 | 长沙中联消防机械有限公司 | Fire fighting truck and water fetching control device, system and method thereof |
| CN108478968A (en) * | 2018-03-26 | 2018-09-04 | 润泰救援装备科技河北有限公司 | Fire fighting truck emergency management and rescue control system and control method |
| CN108478968B (en) * | 2018-03-26 | 2023-02-07 | 润泰救援装备科技河北有限公司 | Fire fighting truck emergency rescue control system and control method |
| CN112619018A (en) * | 2020-12-23 | 2021-04-09 | 武汉理工大学 | Intelligent fire fighting truck data acquisition and control system and control method thereof |
| CN115337578A (en) * | 2022-08-19 | 2022-11-15 | 徐工消防安全装备有限公司 | Foam mixed liquid control method, device and system, fire fighting vehicle and storage medium |
| CN115337578B (en) * | 2022-08-19 | 2023-11-10 | 徐工消防安全装备有限公司 | Foam mixed liquid control method, device and system, fire-fighting vehicle and storage medium |
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Assignee: Changchun Forman fire fighting equipment Co., Ltd. Assignor: Li Chunxu Contract record no.: 2015220000014 Denomination of utility model: Integrated control system for fire trucks Granted publication date: 20111012 License type: Exclusive License Record date: 20150513 |
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