CN2728863Y - Special electric fire proof safety monitoring instrument for train - Google Patents
Special electric fire proof safety monitoring instrument for train Download PDFInfo
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- CN2728863Y CN2728863Y CN 200420077211 CN200420077211U CN2728863Y CN 2728863 Y CN2728863 Y CN 2728863Y CN 200420077211 CN200420077211 CN 200420077211 CN 200420077211 U CN200420077211 U CN 200420077211U CN 2728863 Y CN2728863 Y CN 2728863Y
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Abstract
A special electric fire proof safety monitoring instrument for train consists of a monitoring plant and a monitoring circuit, the monitoring plant consists of a main case, and the main case is separately connected with an external sound box and a flashing alarm. The monitoring plant is provided with the main case, a panel, a color and touch liquid crystal display, an indicating lamp, a power switch, a loudspeaker and a connecting terminal box. The monitoring circuit is provided with a power circuit, a connecting microprocessor circuit and an alarm indicator circuit. The monitoring circuit is provided with a TM card circuit, a creepage measuring circuit, an ion smoke sensor circuit, an audio circuit, a current measurement circuit, a voltage measuring circuit, a temp measuring circuit, a display interface circuit, a communicating interface circuit, a memory circuit, a wireless communication line and an AC/DC stabilized power supply, and each circuit is connected with a microprocessor. The special electric fire proof safety monitoring instrument for train is suit to the frequent marshalling of the train carriage and the power supply source condition in the train. The utility model automatically does detection, alarm and record to every carriage electrical system. The recorded detected data is convenient to centralized monitor and flowing collection.
Description
Technical field
The utility model relates to the fire safety monitor in a kind of electronic machine field, particularly relates to the special-purpose electric fireproof safety monitoring of a kind of railroad train instrument.
Background technology
The safety monitoring instrument of existing electric system is used for monitoring the used cable of fixed equipment of buildings such as factory, the running state of electrical equipment mostly, prevents its presence of fire accident, and its constructional feature is: the circuit captive joint, one time power supply uses alternating current.And railroad train has the characteristics of frequent conversion compartment marshalling, has very strong flowing power; And a power supply of train also has the 48V direct current (DC) except Alternating Current Power Supply, and the safety monitoring instrument of existing electric system can't adapt to the 48V direct supply that railway car uses.Therefore, the safety monitoring instrument of existing electric system can not satisfy the needs of the fire safety monitoring of the electrical equipment on the railroad train that is in flow regime far away, and demands urgently being improved.
The inventor once proposed the special-purpose electric fireproof safety monitoring of a kind of improved type railroad train instrument, it can be installed and used on the train that flows, realized monitoring to train electric fireproof secure context, but, it does not have the function of detection of electrical leakage aspect structure design, what adopt is common LCDs, and button is the mechanical type button, and has shortcomings such as measuring the deficiency of counting.
This shows that above-mentioned existing electric fireproof safety monitoring instrument still has many defectives, and demands urgently further being improved.
Because the defective that the safety monitoring instrument of above-mentioned existing electric system exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and expertise, actively studied innovation, in the hope of the special-purpose electric fireproof safety monitoring of the railroad train instrument of founding a kind of new structure, can improve the deficiency of existing electric fireproof safety monitoring instrument, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
The purpose of this utility model is, overcome the defective of the safety monitoring instrument existence of existing electric system, and the special-purpose electric fireproof safety monitoring of the railroad train that a kind of new structure is provided instrument, technical matters to be solved is to make it can adapt to the AC and DC power supply that situation and train are often organized into groups in the railroad train compartment, can measure electric electric power system leak current fault by actv., fire safety parameter when realization moves whole train electric system is carried out independent monitoring, warning and centralized management, has to be very suitable for the effect that railroad train is used.
Another purpose of the present utility model is, a kind of special-purpose electric fireproof safety monitoring of railroad train instrument of new structure is provided, technical matters to be solved is to make it in conjunction with the actual requirement of railway to the safety inspection personnel, being provided with the TM card specially reads and measuring ability, force and supervise the work of regularly equipment being carried out safety inspection, and can carry out cross-check sum to the data in the TM card easily and download.
A purpose more of the present utility model is, a kind of special-purpose electric fireproof safety monitoring of railroad train instrument of new structure is provided, technical matters to be solved is to make its electric leakage metering circuit can strengthen monitoring function, adopt the color touch read-out, and the Presentation Function of enhancing instrument, and can improve the reliability of instrument, make operation have more hommization, thereby be suitable for practicality more.
The purpose of this utility model and to solve its technical matters be to adopt following technical scheme to realize.According to the special-purpose electric fireproof safety monitoring of a kind of railroad train instrument that the utility model proposes, it comprises monitoring device and observation circuit composition, and this monitoring device comprises main case, and this main case is connected with external voice box and blinker unit respectively; This observation circuit comprises power circuit, and this power circuit connects microcontroller circuit and warning indicating circuit.
The purpose of this utility model and solve its technical matters and can also be further achieved by the following technical measures.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, this power circuit in the wherein said observation circuit is the power supply to the entire circuit power supply; This microcontroller circuit is connected with current measurement circuit, tension measuring circuit, temperature measuring circuit, electric leakage metering circuit, acoustics circuit, display interface circuit, communication interface circuit, wireless communication line, TM card circuit and Ion Smoke Sensor circuit respectively with microprocessor (IC4); And should the warning indicating circuit, to form by light-emitting diode, warning blinker device (BJ), the pin (P1.4) of microprocessor (IC4) connects the warning indicating circuit.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument wherein also comprises the connection terminal box, and the input-output line that all measurement signals are relevant all inserts on the connection terminal of connection terminal box, and the connection terminal box is connected with main case by cable.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, wherein said main case front end is provided with panel, one side of panel is provided with the color touch LCDs, the opposite side of panel is provided with indicator lamp, the below of indicator lamp is provided with a loud speaker and is installed in the panel, and panel is provided with source switch in a side of loud speaker.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, wherein: this warning indicating circuit, be made up of aerotron (Q2), light-emitting diode (LED1), light-emitting diode (LED2), warning blinker device (BJ), resistance (R10) and resistance (R11), the pin (P1.4) of microprocessor (IC4) connects the warning indicating circuit by resistance (R9); This indicator lamp comprises power light and warning indicator lamp; This loud speaker is arranged on the panel of main case; External speaker is arranged on the panel of external voice box; This external voice box causes the main case outside by lead and reports to the police outward as machine, and install respectively on the front panel of external voice box and be provided with external speaker, and the power light of indicator lamp and warning indicator lamp; And this blinker unit (BJ), be arranged on the outside of main case, and cause the inside of main case, as the outer flashing light alarm indication of machine by lead.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, wherein: this indicator lamp is provided with two covers altogether, and wherein a cover indicator lamp is mounted in the panel of main case, and another set of indicator lamp then is mounted on the panel of the exterior external voice box of main case; And this loud speaker is provided with two altogether, and wherein a loud speaker is mounted on the panel of main case, and the another loud speaker then is mounted on the panel of the exterior external voice box of main case.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, wherein above-mentioned power circuit, be provided with the AC/DC constant voltage power suspply, its with the alternating current 220V power supply by switch (S1) and fuse (FUSE2) series loop to the elementary power supply of supply transformer (T1), the secondary contact and the fuse (FUSE1) by Direct current power source socket (J2) of supply transformer (T1) powered to rectifier bridge (D2); Simultaneously, adopt direct current 48 volts of power supplies passing through Direct current power source socket (J2), fuse (FUSE1) and rectifier bridge (D2) to circuit supply; Light-emitting diode (LED3) connects resistance (R12), and light-emitting diode (LED4) connects resistance (R13), and is connected between power output end and the ground wire, as power light; Above-mentioned microcontroller circuit is connected with current measurement circuit, tension measuring circuit, temperature measuring circuit, electric leakage metering circuit, acoustics circuit, display interface circuit, communication interface circuit, wireless communication line, TM card circuit and Ion Smoke Sensor circuit respectively with microprocessor (IC4); And above-mentioned warning indicating circuit, be made up of aerotron (Q2), light-emitting diode (LED1), light-emitting diode (LED2), warning blinker device (BJ), resistance (R10) and resistance (R11), the pin (P1.4) of microprocessor (IC4) connects the warning indicating circuit by resistance (R9); Light-emitting diode (LED1) is arranged at the inside of main case, and light-emitting diode (LED2) places the outside of main case by line, and warning blinker device (BJ) is arranged at the outside of main case by line.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, the connection of wherein said microcontroller circuit, wherein: this current measurement circuit, be that current sensor (A1) contains No. 48 current sensors by No. 48 current sensors (A1), A and D converter (A/D1) and photoisolator (IC6) formation that is linked in sequence successively; This tension measuring circuit, be by voltage changer (V1), A and D converter (A/D1) and photoisolator (IC6) formation that is linked in sequence successively, voltage changer (V1) contains No. 12 voltage changers, and A and D converter (A/D1) adopts VFC electric voltage frequency formula A and D converter; This metering circuit of leaking electricity, it is by electricity leakage sensor (LD1) connecting die number converter (A/D2), A and D converter (A/D2) connects microprocessor (IC4) by photoisolator (IC5), is provided with electricity leakage sensor (LD1) in the metering circuit of wherein leaking electricity; This temperature measuring circuit is that the temperature sensor by majority is connected on the thermometric universal serial bus, and realizes by the microprocessor (IC4) that photoisolator (IC7) connects in the microcontroller circuit; This TM card circuit is realized by TM card connection microprocessor (IC4), according to international standard agreement TM is sticked into reading and writing of line data; This Ion Smoke Sensor circuit is to connect microprocessor (IC4) by the Ion Smoke Sensor sensor to realize, Ion Smoke Sensor sensor output switching value signal, and directly the pin (P3.4) by microprocessor (IC4) reads in the alarm condition data; This communication interface circuit is to be made of special IC (IC1) gang socket (J1) and microprocessor (IC4); This wireless communication line is made of integrated circuit (IC3) and inductance (L2), resistance (R2), electric capacity (C4), electric capacity (C5), electric capacity (C6) microprocessor (IC4) that is linked in sequence successively; This display interface circuit, form by integrated circuit (IC10), electric capacity and socket (J2), display interface circuit is connected with the color touch LCDs with microprocessor (IC4) respectively, the communication that constitutes between microprocessor (IC4) and the color touch LCDs connects, send the touch key-press signal to microprocessor (IC4), microprocessor (IC4) sends display data to the color touch LCDs, and realizes keypress function and Presentation Function; This microcontroller circuit is to connect serial memory circuit (13A) by microprocessor (IC4) to constitute; This acoustics circuit is connected and composed successively by speech IC (IC9), power amplifier (Y1), power amplifier (Y2), electric capacity (C1), electric capacity (C3), loud speaker (SP1) and loud speaker (SP2); And this microprocessor (IC4), its TXD end connects the D end of integrated circuit (IC1), the RXD end of microprocessor (IC4) connects the R end of integrated circuit (IC1), pin (P1.7) end of microprocessor (IC4) connects the DE end of integrated circuit (IC1), the A of integrated circuit (IC1) and the gang socket (J1) of B end constitute standard communication interface.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, wherein the light-emitting diode of this power light (LED3) is to be arranged on the panel of main case, light-emitting diode (LED4) is arranged at the outside of main case by line; This tension measuring circuit is provided with two-way photoisolator (IC6), also can adopt other A and D converters to realize; The electricity leakage sensor (LD1) of this electric leakage metering circuit can be set to current sensor or electromagnetic sensor; The temperature sensor of this temperature measuring circuit, digital temperature sensor (TMP) for one-line serial communication mode, every temperature sensor all has an independently address, when selecting that the sensor timesharing of different addresses is operated, can realize the temperature on each road is monitored in real time; This Ion Smoke Sensor circuit, can connect a plurality of Ion Smoke Sensor sensors, and adopt the frame mode be connected in parallel, as long as this Ion Smoke Sensor circuit can both be sent to alerting signal the input end of microprocessor (IC4) when having one road Ion Smoke Sensor sensor to send warning, realize the multichannel cigarette sense warning of monitoring; This communication interface circuit, be to be the RS485 communication interface, it is by special IC (IC1) gang socket (J1) and microprocessor (IC4), and the model of this integrated circuit (IC1) is MAX1487, be the RS-485 transceiver of standard, have esd protection and low EMI characteristics of interference; The integrated circuit of this wireless communication line (IC3) is the dedicated IC chip that adopts Bluetooth technology, and its model is NRF401; This display interface circuit, it is standard RS232 serial communication interface, it is made up of integrated circuit (IC10), electric capacity (C8), (C9), (C10), (C11) and socket (J2), and the model of this integrated circuit (IC10) is the MAX3232 IC chip, and socket (J2) is the DB9 socket; This microcontroller circuit (13), be to connect serial memory circuit (13A) by microprocessor (IC4) to constitute, this serial memory circuit (13A) is by serial storage (IC8), resistance (R5), resistance (R6), resistance (R7), resistance (R8) and electric capacity (C7) formation that is linked in sequence successively, and it can also use more high-capacity memory circuitry to realize; This acoustics circuit, wherein this loud speaker (SP1) is arranged at main case inside, loud speaker (SP2) is arranged at the main case outside by line, and microprocessor (IC4) connects pin (S1), (S2), (S3), (S4) and the SBT end of speech IC (IC9); And this microprocessor (IC4), its TXD end connects the D end of RS485 integrated circuit (IC1), the RXD end of microprocessor (IC4) connects the R end of RS485 integrated circuit (IC1), pin (P1.7) end of microprocessor (IC4) connects the DE end of RS485 integrated circuit (IC1), the A of RS485 integrated circuit (IC1) and the gang socket (J1) of B end, constitute the RS485 standard communication interface, communication interface is realized the concentrated collection of whole train monitoring data thus, and the model of this integrated circuit (IC1) is MAX1487.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, this temperature measuring circuit wherein, be to be provided with 24 temperature sensors to be connected on the thermometric universal serial bus, temperature measuring circuit is provided with two covers altogether, in two sleeving temperature metering circuits, every suit temperature measuring circuit connects 24 one-line temperature sensors (TMP), and two sleeving temperature metering circuits connect 48 one-line temperature sensors (TMP) altogether, and the model of one-line temperature sensor (TMP) internal integrated circuit chip is 18B20; And the model of this speech IC (IC9) of this acoustics circuit is IS22C022.
The special-purpose electric fireproof safety monitoring of aforesaid railroad train instrument, wherein the integrated circuit of this wireless communication line (IC3) also can be set to general-duty RS232 serial interface circuit, and carries out the data transmission communication in the mode of cable connection; And this TM card circuit, also can connect microprocessor (IC4) for the IC-card circuit.
By technique scheme, the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument has following advantage at least:
1, the special-purpose electric fireproof safety monitoring of the railroad train that the utility model proposes instrument, the situation that can adapt to the AC and DC power supply of frequent marshalling in railroad train compartment and train, it is installed in every joint compartment and is provided with an electric fireproof safety monitoring instrument, can be to the electric current of the electric system in this compartment, voltage, the temperature parameter of cable and joint thereof carries out real time on-line monitoring effectively, and can carry out intellectual analysis to the work of electric system according to the data that detect, abnormal condition and electric fireproof potential safety hazard are reported to the police in advance, and the data that detect are sent on the concentrated monitoring equipment or on the flow acquisitions equipment by communication interface.It can adapt to the particular case of railroad train, not only can utilize the communication interface transmission data of connecting cable, but also can transmit data by wireless communication line, and can realize the operational factor of whole train electric system is carried out independent monitoring, warning and centralized management, have the good effect that is very suitable for extensive utilization on railroad train.
2, the utility model is in conjunction with the actual requirement of railway to the safety inspection personnel, being provided with TM card (information button) specially reads and measuring ability, read the information that the security staff holds TM card (information button), data such as its numbering and detection time are carried out record, can force and supervise the safety inspection personnel regularly carry out safety inspection to equipment work, and the fireproof monitoring data of each detection record and instrument internal storage can be written in the TM card, and can utilize reading device, easily the data in the TM card are carried out cross-check sum and download.
3, electric leakage metering circuit of the present utility model has strengthened monitoring function, and it has adopted the color touch read-out, has strengthened monitoring function, and can improve the reliability of instrument, thereby is suitable for practicality more.
In sum, the utlity model has the special-purpose electric fireproof safety monitoring of the railroad train instrument of special construction, can measure the leak current fault of electric electric power system very effectively, and adopt the color touch read-out, strengthen the Presentation Function of instrument, and improved the reliability of instrument.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structure design to publish or use and really genus innovation, no matter it structurally or bigger improvement all arranged on the function, have large improvement technically, and produced handy and practical effect, and more existing electric system safety monitoring instrument has the multinomial effect of enhancement, thus be suitable for practicality more, extensive value with industry really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the stereoscopic scheme drawing of the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument.
Fig. 2 is the special-purpose electric fireproof safety monitoring of a utility model railroad train instrument and the schematic perspective view that is connected of connection terminal box.
Fig. 3 is the schematic block circuit diagram of the observation circuit of the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument.
Fig. 4 is the circuit diagram of the observation circuit of the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument.
1: main case 2: panel
3: color touch LCDs 4:TM deck
5: indicator lamp 6: source switch
7: loud speaker 1A: external voice box
5A: external indicator lamp 7A: external sounder
BJ: blinker unit 8: communication interface circuit
9: wireless communication line 10: temperature measuring circuit
11: tension measuring circuit 12: current measurement circuit
13: microcontroller circuit 14: display interface circuit
15: power circuit 16: the electric leakage metering circuit
17: acoustics circuit 18:TM card circuit
19: Ion Smoke Sensor circuit 20: the connection terminal box
21: the warning indicating circuit
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of the special-purpose electric fireproof safety monitoring of the railroad train that the utility model proposes instrument, structure, feature and effect thereof, describe in detail as after.
Seeing also shown in Figure 1ly, is the stereoscopic scheme drawing of the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument.The special-purpose electric fireproof safety monitoring of the utility model railroad train instrument mainly comprises monitoring device and observation circuit composition, wherein:
Above-mentioned monitoring device comprises main case 1, external voice box 1A and blinker unit BJ, wherein:
This main case 1, its front end is provided with panel 2, and a side of panel 2 is provided with color touch LCDs 3, and the opposite side of panel 2 is provided with indicator lamp 5, the below of indicator lamp 5 is provided with a loud speaker 7 and is installed in the panel 2, and panel 2 is provided with source switch 6 in a side of loud speaker 7;
This indicator lamp 5, comprise power light and warning indicator lamp, indicator lamp is provided with two covers altogether in the present embodiment, and wherein a cover indicator lamp 5 is mounted in the panel 2 of main case 1, and another set of indicator lamp 5A then is mounted on the panel of main case 1 exterior external voice box 1A;
This loud speaker is provided with two in the present embodiment altogether, and wherein a loud speaker 7 is mounted on the panel of main case 1, and another loud speaker 7A then is mounted on the panel of main case 1 exterior external voice box 1A;
This external voice box 1A causes main case 1 outside by lead and reports to the police outward as machine, installs on the front panel of external voice box 1A and is provided with external speaker 7A, and the power light of external speaker 7A top indicator lamp 5A is arranged on the left side, and warning indicator lamp is arranged on the right side;
This blinker unit BJ is arranged on the outside of main case 1, and causes the inside of main case 1 by lead, as the outer flashing light alarm indication of machine;
Seeing also shown in Figure 2ly, is the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument and the schematic perspective view that is connected of connection terminal box.The connection of hundreds of roads input/output signal line when using and cause the excessive shortcoming of instrument volume in order to solve, the other customized design of the utility model has connection terminal box 20, the input-output line that all measurement signals are relevant all inserts on the connection terminal of connection terminal box 20, and connection terminal box 20 is connected with the main case 1 of instrument by cable.
Above-mentioned observation circuit, seeing also shown in Figure 3 is the schematic block circuit diagram of the observation circuit of the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument, this observation circuit comprises power circuit 15, microcontroller circuit 13 and warning indicating circuit 21, wherein:
This power circuit 15 is the power supply to the entire circuit power supply;
This microcontroller circuit 13 is connected with current measurement circuit 12, tension measuring circuit 11, temperature measuring circuit 10, electric leakage metering circuit 16, acoustics circuit 17, display interface circuit 14, communication interface circuit 8, wireless communication line 9, TM card circuit 18 and Ion Smoke Sensor circuit 19 respectively with microprocessor IC4.
Warning indicating circuit 21 is made up of aerotron Q2, LED 1, LED2, warning blinker device BJ, resistance R 10 and resistance R 11, and the pin P1.4 of microprocessor IC4 connects warning indicating circuit 21 by resistance R 9.
Now the particular circuit configurations with observation circuit of the present utility model is described in detail as follows.Seeing also shown in Figure 4ly, is the circuit diagram of the observation circuit of the special-purpose electric fireproof safety monitoring of the utility model railroad train instrument, comprises power circuit 15, microcontroller circuit 13 and warning indicating circuit 21 at observation circuit of the present utility model, wherein:
Above-mentioned power circuit 15, with the alternating current 220V power supply by switch S 1 and fuse FUSE2 series loop to the elementary power supply of supply transformer T1, secondary contact and the fuse FUSE1 by Direct current power source socket J2 of supply transformer T1 powers to rectifier bridge D2; Simultaneously, adopt direct current 48 volts of power supplies passing through Direct current power source socket J2, fuse FUSE1 and rectifier bridge D2 to circuit supply; LED 3 connects resistance R 12, LED 4 connects resistance R 13, and be connected between power output end and the ground wire, as power light, wherein, this LED 3 is arranged on the panel 2 of main case 1, and LED 4 is arranged at the outside of main case 1 by line.
Above-mentioned microcontroller circuit 13, be connected with current measurement circuit 12, tension measuring circuit 11, temperature measuring circuit 10, electric leakage metering circuit 16, acoustics circuit 17, display interface circuit 14, communication interface circuit 8, wireless communication line 9, TM card circuit 18 and Ion Smoke Sensor circuit 19 respectively with microprocessor IC4, wherein:
This current measurement circuit 12 is to be linked in sequence successively by No. 48 current sensor A1, modulus converter A/D 1 and photoisolator IC6 to constitute, and current sensor A1 contains No. 48 current sensors;
This tension measuring circuit 11, be to be linked in sequence successively by voltage changer V1, modulus converter A/D 1 and photoisolator IC6 to constitute, voltage changer V1 contains No. 12 voltage changers, modulus converter A/D 1 adopts VFC electric voltage frequency formula A and D converter, present embodiment just describes only need be provided with two-way photoisolator IC6, be familiar with this technical personnel when knowing, also can adopt the A and D converter of other versions to realize.The existing known techniques that this tension measuring circuit 11, current measurement circuit 12 are known for technical personnel is so no longer describe in detail.
This metering circuit 16 of leaking electricity is by electricity leakage sensor LD1 connecting die number converter A/D2, and modulus converter A/D 2 connects microprocessor IC4 by photoisolator IC5.Be provided with electricity leakage sensor LD1 in the metering circuit of wherein leaking electricity 16, electricity leakage sensor LD1 can be set to comprise the current sensor or the electromagnetic sensor of any principle of work;
This temperature measuring circuit 10, be to be connected on the thermometric universal serial bus by 24 one-line digital temperature sensor TMP, and the microprocessor IC4 that connects in the microcontroller circuit 13 by photoisolator IC7 realizes, this digital temperature sensor TMP is for adopting the digital temperature sensor of the one-line serial communication mode of finished product, every digital temperature sensor TMP has an independently address, when selecting that the sensor timesharing of different addresses is operated, can realize the temperature on each road is monitored in real time.This digital temperature sensor TMP can be provided with the digital temperature sensor TMP of varying number according to different needs.Temperature measuring circuit 10 is provided with two covers altogether, because this two sleeving temperatures metering circuit is identical, so its circuit connection structure repeats no more, in two sleeving temperature metering circuits 10, every suit temperature measuring circuit 10 connects 24 one-line temperature sensor TMP, two sleeving temperature metering circuits 10 connect 48 one-line temperature sensor TMP altogether, and the model of one-line temperature sensor (TMP) internal integrated circuit chip is 18B20;
This TM card circuit 18, in the present embodiment for adopting the TM card circuit of prior art, it is realized by TM card connection microprocessor IC4, according to international standard agreement TM is sticked into reading and writing of line data, this TM card circuit 18 also can adopt other IC-card circuit to connect microprocessor IC4 and realize same function;
This Ion Smoke Sensor circuit 19 is to connect microprocessor IC4 by Ion Smoke Sensor sensor LZ to realize, Ion Smoke Sensor sensor LZ output switching value signal, and directly the pin P3.4 by microprocessor IC4 reads in the alarm condition data.Ion Smoke Sensor circuit 19 can connect a plurality of Ion Smoke Sensor sensors, and adopt the frame mode be connected in parallel, as long as so there is one road Ion Smoke Sensor sensor LZ to send when reporting to the police, this Ion Smoke Sensor circuit 19 can both be sent to alerting signal the input end of microprocessor IC4, reports to the police thereby can realize monitoring multichannel cigarette sense;
This communication interface circuit 8, be to be the RS485 communication interface, it is to be made of special IC IC1 gang socket J1 and microprocessor IC4, and the model of this IC 1 is MAX1487 in the present embodiment, be the RS-485 transceiver of standard, have characteristics such as esd protection and low EMI interference;
This wireless communication line 9 is made of IC 3 and inductance L 2, resistance R 2, capacitor C 4, capacitor C 5, the capacitor C 6 microprocessor IC4 that is linked in sequence successively; Wherein, this IC 3 adopts the special chip of Bluetooth technology, and model is NRF401, and its antijamming capability is strong, is particularly suitable for the occasion of Industry Control.Wireless communication line 9 can also be used general-duty RS232 serial interface circuit, adopts the mode of cable connection to carry out the data transmission communication, because it is the known circuit that those of ordinary skill is known, so its particular circuit configurations repeats no more;
This display interface circuit 14, it is standard RS232 serial communication interface, it is made up of IC 10, capacitor C 8, C9, C10, C11 and socket J2, display interface circuit 14 is connected with color touch LCDs 3 with microprocessor IC4 respectively, the communication that constitutes between microprocessor IC4 and the color touch LCDs 3 connects, send the touch key-press signal to microprocessor IC4, this microprocessor IC4 sends display data to color touch LCDs 3, and can realize keypress function and Presentation Function.In the present embodiment, the model of this IC 10 is MAX3232 IC chips, and socket J2 is the DB9 socket;
This microcontroller circuit 13, be to connect serial memory circuit 13A by microprocessor IC4 to constitute, this serial memory circuit 13A is linked in sequence by serial storage IC8, resistance R 5, resistance R 6, resistance R 7, resistance R 8 and capacitor C 7 to constitute successively, the model of this serial storage IC8 is MM36SB020 in the present embodiment, and it can also use more high-capacity memory circuitry to realize;
This acoustics circuit 17 is connected and composed successively by speech IC IC9, power amplifier Y1, power amplifier Y2, capacitor C 1, capacitor C 3, loud speaker SP1 and loud speaker SP2; Wherein, this loud speaker SP1 is arranged at the inside of main case 1, loud speaker SP2 is arranged at the outside of main case 1 by line, microprocessor IC4 connects pin S1, S2, S3, S4 and the SBT end of speech IC IC9, report to the police and alert levels according to different parameters, control speech IC IC9 can send the audio alert prompting of different content, the model of this speech IC IC9 is IS22C022, can 8 sections voice of one-time write, certainly its also can use the circuit of other models or in batches private circuit customized realize;
This microprocessor IC4, its TXD end connects the D end of RS485 IC 1, the RXD end of microprocessor IC4 connects the R end of RS485 IC 1, the P1.7 end of microprocessor IC4 connects the DE end of RS485 IC 1, the A of RS485 IC 1 and B end gang socket J1, constitute the RS485 standard communication interface, communication interface is realized the concentrated collection of whole train monitoring data thus, and the model of RS485 IC 1 is MAX1487 in the present embodiment;
Above-mentioned warning indicating circuit 21, form by aerotron Q2, LED 1, LED 2, warning blinker device BJ, resistance R 10 and resistance R 11, the pin P1.4 of microprocessor IC4 connects warning indicating circuit 21 by resistance R 9 in the present embodiment, also can use a termination pin of other I/O interfaces of microprocessor IC4 to connect warning indicating circuit 21.LED 1 is arranged at the inside of main case 1, and LED 2 places the outside of main case 1 by line, and warning blinker device BJ is arranged at the outside of main case 1 by line.
It below only is preferred embodiment of the present utility model, those skilled in the art can modify variation to the foregoing description, current at the integrated circuit industry high speed development particularly, for example the function with several integrated circuit is integrated in the integrated circuit, and can realize multiple model also being arranged, for example use identical and the integrated circuit that model is different etc. of radical function with a kind of integrated circuit of function.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, foundation technical spirit of the present utility model is to above any simple modification that embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (11)
1, the special-purpose electric fireproof safety monitoring of a kind of railroad train instrument comprises monitoring device and observation circuit composition, it is characterized in that wherein:
This monitoring device comprises main case (1), and this main case (1) is connected with external voice box (1A) and blinker unit (BJ) respectively;
This observation circuit comprises power circuit (15), and this power circuit (15) connects microcontroller circuit (13) and warning indicating circuit (21).
2, the special-purpose electric fireproof safety monitoring of railroad train according to claim 1 instrument is characterized in that described observation circuit wherein:
This power circuit (15) is the power supply to the entire circuit power supply;
This microcontroller circuit (13) is connected with current measurement circuit (12), tension measuring circuit (11), temperature measuring circuit (10), electric leakage metering circuit (16), acoustics circuit (17), display interface circuit (14), communication interface circuit (8), wireless communication line (9), TM card circuit (18) and Ion Smoke Sensor circuit (19) respectively with microprocessor (IC4); And
This warning indicating circuit (21) is made up of light-emitting diode, warning blinker device (BJ), and the pin (P1.4) of microprocessor (IC4) connects warning indicating circuit (21).
3, the special-purpose electric fireproof safety monitoring of railroad train according to claim 2 instrument, it is characterized in that wherein also comprising connection terminal box (20), the input-output line that all measurement signals are relevant all inserts on the connection terminal of connection terminal box (20), and connection terminal box (20) is connected with main case (1) by cable.
4, the special-purpose electric fireproof safety monitoring of railroad train according to claim 3 instrument, it is characterized in that wherein said main case (1) front end is provided with panel (2), one side of panel (2) is provided with color touch LCDs (3), the opposite side of panel (2) is provided with indicator lamp (5), the below of indicator lamp (5) is provided with a loud speaker (7) and is installed in the panel (2), and panel (2) is provided with source switch (6) in a side of loud speaker (7).
5, the special-purpose electric fireproof safety monitoring of railroad train according to claim 4 instrument is characterized in that wherein:
This warning indicating circuit (21), be made up of aerotron (Q2), light-emitting diode (LED1), light-emitting diode (LED2), warning blinker device (BJ), resistance (R10) and resistance (R11), the pin (P1.4) of microprocessor (IC4) connects warning indicating circuit (21) by resistance (R9);
This indicator lamp (5) comprises power light and warning indicator lamp;
This loud speaker (7) is arranged on the panel of main case (1);
This loud speaker (7A) is arranged on the panel of external voice box (1A);
This external voice box (1A) causes main case (1) outside by lead and reports to the police outward as machine, and install respectively on the front panel of external voice box (1A) and be provided with external speaker (7A), and the power light and the warning indicator lamp of indicator lamp (5A); And
This blinker unit (BJ) is arranged on the outside of main case (1), and causes the inside of main case (1) by lead, as the outer flashing light alarm indication of machine.
6, the special-purpose electric fireproof safety monitoring of railroad train according to claim 5 instrument is characterized in that wherein:
This indicator lamp is provided with two covers altogether, and wherein a cover indicator lamp (5) is mounted in the panel (2) of main case (1), and another set of indicator lamp (5A) then is mounted on the panel of the exterior external voice box of main case (1) (1A); And
This loud speaker is provided with two altogether, and wherein a loud speaker (7) is mounted on the panel of main case (1), and another loud speaker (7A) then is mounted on the panel of the exterior external voice box of main case (1) (1A).
7, according to the special-purpose electric fireproof safety monitoring of the described railroad train of arbitrary claim in the claim 1 to 6 instrument, it is characterized in that wherein:
Above-mentioned power circuit (15), be provided with the AC/DC constant voltage power suspply, its with the alternating current 220V power supply by switch (S1) and fuse (FUSE2) series loop to the elementary power supply of supply transformer (T1), the secondary contact and the fuse (FUSE1) by Direct current power source socket (J2) of supply transformer (T1) powered to rectifier bridge (D2); Simultaneously, adopt direct current 48 volts of power supplies passing through Direct current power source socket (J2), fuse (FUSE1) and rectifier bridge (D2) to circuit supply; Light-emitting diode (LED3) connects resistance (R12), and light-emitting diode (LED4) connects resistance (R13), and is connected between power output end and the ground wire, as power light;
Above-mentioned microcontroller circuit (13) is connected with current measurement circuit (12), tension measuring circuit (11), temperature measuring circuit (10), electric leakage metering circuit (16), acoustics circuit (17), display interface circuit (14), communication interface circuit (8), wireless communication line (9), TM card circuit (18) and Ion Smoke Sensor circuit (19) respectively with microprocessor (IC4); And
Above-mentioned warning indicating circuit (21), be made up of aerotron (Q2), light-emitting diode (LED1), light-emitting diode (LED2), warning blinker device (BJ), resistance (R10) and resistance (R11), the pin (P1.4) of microprocessor (IC4) connects warning indicating circuit (21) by resistance (R9); Light-emitting diode (LED1) is arranged at the inside of main case (1), and light-emitting diode (LED2) places the outside of main case (1) by line, and warning blinker device (BJ) is arranged at the outside of main case (1) by line.
8, the special-purpose electric fireproof safety monitoring of railroad train according to claim 7 instrument is characterized in that the connection of described microcontroller circuit (13), wherein:
This current measurement circuit (12) is that current sensor (A1) contains No. 48 current sensors by No. 48 current sensors (A1), A and D converter (A/D1) and photoisolator (IC6) formation that is linked in sequence successively;
This tension measuring circuit (11), be by voltage changer (V1), A and D converter (A/D1) and photoisolator (IC6) formation that is linked in sequence successively, voltage changer (V1) contains No. 12 voltage changers, and A and D converter (A/D1) adopts VFC electric voltage frequency formula A and D converter;
This metering circuit (16) of leaking electricity, it is by electricity leakage sensor (LD1) connecting die number converter (A/D2), A and D converter (A/D2) connects microprocessor (IC4) by photoisolator (IC5), is provided with electricity leakage sensor (LD1) in the metering circuit of wherein leaking electricity (16);
This temperature measuring circuit (10) is that the temperature sensor by majority is connected on the thermometric universal serial bus, and realizes by the microprocessor (IC4) that photoisolator (IC7) connects in the microcontroller circuit (13);
This TM card circuit (18) is realized by TM card connection microprocessor (IC4), according to international standard agreement TM is sticked into reading and writing of line data;
This Ion Smoke Sensor circuit (19) is to connect microprocessor (IC4) by the Ion Smoke Sensor sensor to realize, Ion Smoke Sensor sensor output switching value signal, and directly the pin (P3.4) by microprocessor (IC4) reads in the alarm condition data;
This communication interface circuit (8) is to be made of special IC (IC1) gang socket (J1) and microprocessor (IC4);
This wireless communication line (9) is made of integrated circuit (IC3) and inductance (L2), resistance (R2), electric capacity (C4), electric capacity (C5), electric capacity (C6) microprocessor (IC4) that is linked in sequence successively;
This display interface circuit (14), form by integrated circuit (IC10), electric capacity and socket (J2), display interface circuit (14) is connected with color touch LCDs (3) with microprocessor (IC4) respectively, the communication that constitutes between microprocessor (IC4) and the color touch LCDs (3) connects, send the touch key-press signal to microprocessor (IC4), microprocessor (IC4) sends display data to color touch LCDs (3), and realizes keypress function and Presentation Function;
This microcontroller circuit (13) is to connect serial memory circuit (13A) by microprocessor (IC4) to constitute;
This acoustics circuit (17) is connected and composed successively by speech IC (IC9), power amplifier (Y1), power amplifier (Y2), electric capacity (C1), electric capacity (C3), loud speaker (SP1) and loud speaker (SP2); And
This microprocessor (IC4), its TXD end connects the D end of integrated circuit (IC1), the RXD end of microprocessor (IC4) connects the R end of integrated circuit (IC1), pin (P1.7) end of microprocessor (IC4) connects the DE end of integrated circuit (IC1), the A of integrated circuit (IC1) and the gang socket (J1) of B end constitute standard communication interface.
9, the special-purpose electric fireproof safety monitoring of railroad train according to claim 8 instrument is characterized in that wherein:
The light-emitting diode of this power light (LED3) is that light-emitting diode (LED4) is arranged at the outside of main case (1) on the panel (2) that is arranged at main case (1) by line;
This tension measuring circuit (11) is provided with two-way photoisolator (IC6), also can adopt other A and D converters to realize;
The electricity leakage sensor (LD1) of this electric leakage metering circuit (16) can be set to current sensor or electromagnetic sensor;
The temperature sensor of this temperature measuring circuit (10), digital temperature sensor (TMP) for one-line serial communication mode, every temperature sensor all has an independently address, when selecting that the sensor timesharing of different addresses is operated, can realize the temperature on each road is monitored in real time;
This Ion Smoke Sensor circuit (19), can connect a plurality of Ion Smoke Sensor sensors, and adopt the frame mode be connected in parallel, as long as this Ion Smoke Sensor circuit (19) can both be sent to alerting signal the input end of microprocessor (IC4) when having one road Ion Smoke Sensor sensor to send warning, realize the multichannel cigarette sense warning of monitoring;
This communication interface circuit (8), be to be RS48 5 communication interfaces, it is by special IC (IC1) gang socket (J1) and microprocessor (IC4), and the model of this integrated circuit (IC1) is MAX1487, be the RS-485 transceiver of standard, have esd protection and low EMI characteristics of interference;
The integrated circuit (IC3) of this wireless communication line (9) is the dedicated IC chip that adopts Bluetooth technology, and its model is NRF401;
This display interface circuit (14), it is standard RS232 serial communication interface, it is made up of integrated circuit (IC10), electric capacity (C8), (C9), (C10), (C11) and socket (J2), the model of this integrated circuit (IC10) is the MAX3232 IC chip, and socket (J2) is the DB9 socket;
This microcontroller circuit (13), be to connect serial memory circuit (13A) by microprocessor (IC4) to constitute, this serial memory circuit (13A) is by serial storage (IC8), resistance (R5), resistance (R6), resistance (R7), resistance (R8) and electric capacity (C7) formation that is linked in sequence successively, and it can also use more high-capacity memory circuitry to realize;
This acoustics circuit (17), wherein this loud speaker (SP1) is arranged at main case (1) inside, loud speaker (SP2) is arranged at main case (1) outside by line, and microprocessor (IC4) connects pin (S1), (S2), (S3), (S4) and the SBT end of speech IC (IC9); And
This microprocessor (IC4), its TXD end connects the D end of RS485 integrated circuit (IC1), the RXD end of microprocessor (IC4) connects the R end of RS485 integrated circuit (IC1), pin (P1.7) end of microprocessor (IC4) connects the DE end of RS485 integrated circuit (IC1), the A of RS485 integrated circuit (IC1) and the gang socket (J1) of B end, constitute the RS485 standard communication interface, communication interface is realized the concentrated collection of whole train monitoring data thus, and the model of this integrated circuit (IC1) is MAX1487.
10, the special-purpose electric fireproof safety monitoring of railroad train according to claim 9 instrument is characterized in that wherein:
This temperature measuring circuit (10), be to be provided with 24 temperature sensors to be connected on the thermometric universal serial bus, temperature measuring circuit (10) is provided with two covers altogether, in two sleeving temperature metering circuits (10), every suit temperature measuring circuit (10) connects 24 one-line temperature sensors (TMP), two sleeving temperature metering circuits (10) connect 48 one-line temperature sensors (TMP) altogether, and the model of one-line temperature sensor (TMP) internal integrated circuit chip is 18B20; And
The model of this speech IC (IC9) of this acoustics circuit (17) is IS22C022.
11, the special-purpose electric fireproof safety monitoring of railroad train according to claim 10 instrument is characterized in that wherein:
The integrated circuit (IC3) of this wireless communication line (9) also can be set to general-duty RS232 serial interface circuit, and carries out the data transmission communication in the mode of cable connection; And
This TM card circuit (18) also can connect microprocessor (IC4) for the IC-card circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077211 CN2728863Y (en) | 2004-07-30 | 2004-07-30 | Special electric fire proof safety monitoring instrument for train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077211 CN2728863Y (en) | 2004-07-30 | 2004-07-30 | Special electric fire proof safety monitoring instrument for train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2728863Y true CN2728863Y (en) | 2005-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420077211 Expired - Fee Related CN2728863Y (en) | 2004-07-30 | 2004-07-30 | Special electric fire proof safety monitoring instrument for train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2728863Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413394A (en) * | 2013-02-06 | 2013-11-27 | 陕西富集电力科技股份有限公司 | Fire protection detection device |
| CN104143246A (en) * | 2013-05-09 | 2014-11-12 | 青岛四方车辆研究所有限公司 | Smoke and fire alarm system of China railway high-speed train |
| CN104794846A (en) * | 2015-05-06 | 2015-07-22 | 福建省白沙消防工贸有限公司 | Locomotive fire safety management and control intellectualized system and locomotive fire safety management and control intellectualized method based on internet of things |
| CN106205020A (en) * | 2016-08-01 | 2016-12-07 | 安徽贝莱电子科技有限公司 | A kind of on and off switch based on Internet of Things |
-
2004
- 2004-07-30 CN CN 200420077211 patent/CN2728863Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413394A (en) * | 2013-02-06 | 2013-11-27 | 陕西富集电力科技股份有限公司 | Fire protection detection device |
| CN104143246A (en) * | 2013-05-09 | 2014-11-12 | 青岛四方车辆研究所有限公司 | Smoke and fire alarm system of China railway high-speed train |
| CN104794846A (en) * | 2015-05-06 | 2015-07-22 | 福建省白沙消防工贸有限公司 | Locomotive fire safety management and control intellectualized system and locomotive fire safety management and control intellectualized method based on internet of things |
| CN106205020A (en) * | 2016-08-01 | 2016-12-07 | 安徽贝莱电子科技有限公司 | A kind of on and off switch based on Internet of Things |
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