CN208954283U - A kind of electrical fire monitoring device - Google Patents
A kind of electrical fire monitoring device Download PDFInfo
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- CN208954283U CN208954283U CN201821788398.XU CN201821788398U CN208954283U CN 208954283 U CN208954283 U CN 208954283U CN 201821788398 U CN201821788398 U CN 201821788398U CN 208954283 U CN208954283 U CN 208954283U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000003993 interaction Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 61
- 230000005611 electricity Effects 0.000 claims description 3
- 230000006855 networking Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of electrical fire monitoring devices, including central processing unit, for the central processing unit respectively with power module, control circuit, communication module, human-computer interaction module and fire detection module, the power module includes central processing unit power supply circuit and input/output interface power supply.The electrical fire monitoring device, pass through the overall structure of equipment, communication uses direct current carrier technology, compared with the common RS485 communication used in the past, has relatively reliable stabilization on system communication, communications line is regardless of positive and negative, distance is up to 1000 meters, overcomes the communication distance of prior art RS485 short, networking capacity is few, there cannot be the problems such as branch, networking cable wiring manufacture is difficult；And lightning prevention surge circuit and EMI filter network are first passed around by the structure alternating current of power module, improve the reliability and EMC characteristic of communication.
Description
Technical field
The utility model relates to technical field of electric power, specially a kind of electrical fire monitoring device.
Background technique
Electric fire monitoring system is when residual current occurs by protection electric wiring, and detected parameter is more than that alarm is set
Definite value can issue alarm signal, control signal and the system that can indicate alarm position, by electrical fire monitoring device and electrical fire
Calamity monitoring detector composition.Electrical fire monitoring device communication distance currently on the market is short, and communication speed is slow, can bringing onto load section
Point is few, communicates poor reliability, therefore we have proposed a kind of electrical fire monitoring devices.
Utility model content
The purpose of this utility model is to provide a kind of electrical fire monitoring devices, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of electrical fire monitoring device, including in
Central processor, the central processing unit are visited with power module, control circuit, communication module, human-computer interaction module and fire respectively
Module is surveyed, the power module includes central processing unit power supply circuit and input/output interface power supply.
Preferably, the central processing unit power supply circuit is made of LM2596 chip, diode, capacitor and inductance, described
The pin 1 of LM2596 chip is connected in series with capacitor C6, filter capacitor E2 and two diodes D1 and D2, the capacitor C6, filtering
Capacitor E2 and two diodes D1 and D2 are mutually in parallel, and the diode D1 and D2 is separately connected the pin 3 and 2 of CON3, institute
The pin 1 for stating CON3 is grounded, and the capacitor C6 and filter capacitor E2 ground connection, the pin 3 and 5 of the LM2596 chip are grounded, institute
The pin 2 for stating LM2596 chip is connected with inductance L2 and diode D12, and the value of inductance L2 is 33uH, the inductance L2 and two poles
Pipe D12 is in parallel, and the inductance L2 is grounded after connecting with filter capacitor E7, the diode D12 ground connection, the LM2596 chip
The middle part of the connection VCC power supply of pin 4, the inductance L2 and filter capacitor E7 connecting wire is connected with VCC power supply, and the input is defeated
Outgoing interface power supply include IB0505-1W chip and capacitor composition, the pin 1 and 2 of the IB0505-1W chip respectively with filter
Wave capacitor E3 series connection, the anode connection VCC power supply of the capacitor E3, and cathode is grounded, the pin 4 of the IB0505-1W chip
It connects with 6 with capacitor C8, capacitor C7 and capacitor C25, the capacitor C8, capacitor C7 and capacitor C25 series connection are parallel with one another.
Preferably, the control circuit is mainly made of triode, SH-105D chip and diode, the control circuit
Equipped with 3, and three control circuits are separately connected the pin 5,6 and 7 of central processing unit, 2 He of pin of the SH-105D chip
5 are separately connected the pin 1 and 2 of CON2, the pin 1 and 3 of the SH-105D chip respectively with Diode series, the diode
Ground connection, the pin 3 of the SH-105D chip connect the collector of triode, and the collector emitter of the triode connects Vcc
The base stage of power supply, the triode connects resistance R14, the pin of the resistance R14 connection central processing unit, the central processing
The cathode of device pin 8 and resistance R17, triode T4 and buzzer electrical series, the buzzer is grounded.
Preferably, the human-computer interaction module includes button, resistance, light emitting diode and LCD240128 chip, described
Button and light emitting diode are equipped with 7, and wherein 6 buttons by the resistance of 3K respectively with the pin of central processing unit 10,
11,12,13,14 and 15 series connection, the pin 10,11,12,13,14 and 15 of the central processing unit pass through 510 ohm of resistance
It connects respectively with 6 light emitting diodes, the pin 16 of the central processing unit passes through 510 ohm of resistance and the 7th luminous two
Pole pipe series connection, and 7 light emitting diodes are connected with the pin of central processing unit 17, and 7 buttons are grounded, the button S7 and
The pin 9 of LCD240128 chip is connected, and the pin 9 of the LCD240128 chip connects the power supply of Vcc by the resistance of 3K,
The pin 2,18 and 21 of the LCD240128 chip is grounded, and the pin 20 of the LCD240128 chip is connected by the resistance of 3.9K
Vcc power supply is connect, the pin 19 of the LCD240128 chip connects Vcc power supply, the LCD240128 core by the resistance of 20k
The pin 3 of piece connects Vcc power supply, 5,6,7,8,9,10,11,12,13,14,15,16 and of pin of the LCD240128 chip
17 are separately connected the pin 33,34,36,35,20,51,48,47,46,45 and 44 of central processing unit, the LCD240128 core
The pin 1 of piece connects antenna.
Preferably, the pin 62 and 63 of the central processing unit is connected with the capacitor of 104uf, and the pin of central processing unit
The pin 33 and 23 of 62 ground connection, the central processing unit is grounded, and the pin 1 of the central processing unit connects VCC power supply.
Compared with prior art, the utility model has the beneficial effects that the electrical fire monitoring device, passes through the whole of equipment
Body structure, communication use direct current carrier technology, compared with the common RS485 communication used in the past, have more on system communication
Reliable and stable, for communications line regardless of positive and negative, distance is up to 1000 meters, overcomes the communication distance of prior art RS485 short, organizes network capacity
Amount is few, cannot there is the problems such as branch, networking cable wiring manufacture is difficult；And it is first passed around by the structure alternating current of power module anti-lightning strike
Surge circuit and EMI filter network, the DC source for being converted to 24V through Switching Power Supply accesses mainboard, through the DC-DC on circuit board
Circuit conversion is that 5V powers to CPU and peripheral circuit, while powering through isolation DC-DC to communication module.Two-way power supply realizes
The isolation voltage of 1500VDC improves the reliability and EMC characteristic of communication.
Detailed description of the invention
Fig. 1 is the utility model circuit diagram；
Fig. 2 is the utility model power module circuitry figure；
Fig. 3 is the utility model control circuit circuit diagram；
Fig. 4 is the utility model human-computer interaction module circuit diagram.
In figure: 1 central processing unit, 2 power modules, 3 control circuits, 4 communication modules, 5 human-computer interaction modules, 6 fire are visited
Survey module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of electrical fire monitoring device, including center
The pin 62 and 63 of processor 1, the central processing unit 1 is connected with the capacitor of 104uf, and the pin 62 of central processing unit 1 connects
The pin 33 and 23 on ground, the central processing unit 1 is grounded, and the pin 1 of the central processing unit 1 connects VCC power supply, central processing
Device 1 uses Mega series monolithic for core MCU, the voltage, electric current, AD conversion, operation, calibration in monitoring host computer are by MCU
It completes, is the nerve center of whole system.Chip can work normally between 2.7V~5.5V in supply voltage, preferably protect
Host reliability of operation is demonstrate,proved.The central processing unit 1 respectively with power module 2, control circuit 3, communication module 4, man-machine
Interactive module 5 and fire detection module 6,4 equipment of communication module are communicated using two-way, connect fire detection module 6 all the way, all the way
Connect graphics device.At most can connect 255 load fire detectors, for communication distance up to 1000 meters, real-time is good,
High reliablity, human-computer interaction module 5 use the industrial dot matrix liquid crystal display of 320*240, it is ensured that the abundant display of facility information, and set
The working condition that 8 indicator lights are used to indicate equipment is set, provided with 8 keys for realizing the defeated of user information and data
Enter.The power module 2 includes central processing unit power supply circuit and input/output interface power supply, and the central processing unit supplies
Circuit is made of LM2596 chip, diode, capacitor and inductance, the pin 1 and capacitor C6, filtered electrical of the LM2596 chip
Hold E2 and two diode D1 and D2 to be connected in series, the capacitor C6, filter capacitor E2 and two diodes D1 and D2 are mutually simultaneously
Connection, the resistance value of capacitor C6 are 104 ohm, and the value of filter capacitor E2 is 1000/25V, and the diode D1 and D2 is separately connected
The pin 1 of the pin 3 and 2 of CON3, the CON3 is grounded, the capacitor C6 and filter capacitor E2 ground connection, the LM2596 chip
Pin 3 and 5 be grounded, the pin 2 of the LM2596 chip connects with inductance L2 and diode D12, the inductance L2 and two poles
Pipe D12 is in parallel, and the inductance L2 is grounded after connecting with filter capacitor E7, and the value of filter capacitor E7 is 470u/10V, two pole
Pipe D12 ground connection, the connection VCC power supply of pin 4 of the LM2596 chip, the inductance L2 and filter capacitor E7 connecting wire
Middle part is connected with VCC power supply, and the input/output interface power supply includes that IB0505-1W chip and capacitor form, described
The pin 1 and 2 of IB0505-1W chip is connected with filter capacitor E3 respectively, the anode connection VCC power supply of the capacitor E3, and negative
Pole ground connection, the pin 4 and 6 of the IB0505-1W chip are connected with capacitor C8, capacitor C7 and capacitor C25, the capacitor C8, electricity
Appearance C7 and capacitor C25 series connection is parallel with one another, and the value of capacitor C8, capacitor C7 and capacitor C25 are respectively 100u, 104 ohm and 104
Ohm, the control circuit 3 are mainly made of triode, SH-105D chip and diode, and the control circuit 3 is equipped with 3,
And three control circuits 3 are separately connected the pin 5,6 and 7 of central processing unit 1, the pin 2 and 5 of the SH-105D chip is distinguished
Connect the pin 1 and 2 of CON2, the pin 1 and 3 of the SH-105D chip respectively with Diode series, diode ground connection,
The pin 3 of the SH-105D chip connects the collector of triode, and the collector emitter of the triode connects Vcc power supply,
The base stage of the triode connects resistance R14, the pin of the resistance R14 connection central processing unit 1, the central processing unit 1
The cathode of pin 8 and resistance R17, triode T4 and buzzer electrical series, the buzzer is grounded.Alternating current first passes around lightning protection
Surge circuit and EMI filter network are hit, the DC source for being converted to 24V through Switching Power Supply accesses mainboard, through the DC-DC on circuit board
Circuit conversion is that 5V powers to CPU and peripheral circuit, while powering through isolation DC-DC to communication module.Two-way power supply realizes
The isolation voltage of 1500VDC improves the reliability and EMC characteristic of communication.The human-computer interaction module 5 include button, resistance,
Light emitting diode and LCD240128 chip, the button and light emitting diode are equipped with 7, and wherein 6 buttons pass through 3K's
Resistance is connected with the pin of central processing unit 1 10,11,12,13,14 and 15 respectively, the pin of the central processing unit 1 10,11,
12, it 13,14 and 15 is connected respectively with 6 light emitting diodes by 510 ohm of resistance, the pin of the central processing unit 1
16 are connected by 510 ohm of resistance with the 7th light emitting diode, and pin of 7 light emitting diodes with central processing unit 1
17 are connected, and 7 buttons are grounded, and the button S7 is connected with the pin 9 of LCD240128 chip, the LCD240128 chip
Pin 9 power supply of Vcc is connected by the resistance of 3K, the pin 2,18 and 21 of the LCD240128 chip is grounded, described
The pin 20 of LCD240128 chip connects Vcc power supply by the resistance of 3.9K, and the pin 19 of the LCD240128 chip is logical
The resistance connection Vcc power supply of 20k is crossed, the pin 3 of the LCD240128 chip connects Vcc power supply, the LCD240128 chip
Pin 5,6,7,8,9,10,11,12,13,14,15,16 and 17 be separately connected central processing unit 1 pin 33,34,36,
35,20,51,48,47,46,45 and 44, the pin 1 of the LCD240128 chip connects antenna.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of electrical fire monitoring device, including central processing unit (1), it is characterised in that: the central processing unit (1) is respectively
With power module (2), control circuit (3), communication module (4), human-computer interaction module (5) and fire detection module (6), the electricity
Source module (2) includes central processing unit power supply circuit and input/output interface power supply.
2. a kind of electrical fire monitoring device according to claim 1, it is characterised in that: the central processing unit power supply electricity
Road is made of LM2596 chip, diode, capacitor and inductance, the pin 1 and capacitor C6, filter capacitor E2 of the LM2596 chip
It is connected in series with two diodes D1 and D2, the capacitor C6, filter capacitor E2 and two diodes D1 and D2 are mutually in parallel, institute
The pin 3 and 2 that diode D1 and D2 are separately connected CON3 is stated, the pin 1 of the CON3 is grounded, the capacitor C6 and filter capacitor
The pin 3 and 5 of E2 ground connection, the LM2596 chip is grounded, the pin 2 and inductance L2 and diode D12 of the LM2596 chip
Series connection, the inductance L2 and diode D12 are in parallel, and the inductance L2 is grounded after connecting with filter capacitor E7, the diode D12
Ground connection, the pin 4 of the LM2596 chip connect VCC power supply, the middle part of the inductance L2 and filter capacitor E7 connecting wire with
The series connection of VCC power supply, the input/output interface power supply include IB0505-1W chip and capacitor composition, the IB0505-1W
The pin 1 and 2 of chip is connected with filter capacitor E3 respectively, the anode connection VCC power supply of the capacitor E3, and cathode is grounded, institute
The pin 4 and 6 for stating IB0505-1W chip is connected with capacitor C8, capacitor C7 and capacitor C25, the capacitor C8, capacitor C7 and capacitor
C25 series connection is parallel with one another.
3. a kind of electrical fire monitoring device according to claim 1, it is characterised in that: the control circuit (3) is main
It is made of triode, SH-105D chip and diode, the control circuit (3) is equipped with 3, and three control circuits (3) are respectively
The pin 5,6 and 7 of central processing unit (1) is connected, the pin 2 and 5 of the SH-105D chip is separately connected 1 He of pin of CON2
2, the pin 1 and 3 of the SH-105D chip respectively with Diode series, diode ground connection, the SH-105D chip
Pin 3 connects the collector of triode, and the collector emitter of the triode connects Vcc power supply, the base stage of the triode
Connect resistance R14, the pin of the resistance R14 connection central processing unit (1), central processing unit (1) pin 8 and resistance
R17, triode T4 and buzzer electrical series, the cathode ground connection of the buzzer.
4. a kind of electrical fire monitoring device according to claim 1, it is characterised in that: the human-computer interaction module (5)
Including button, resistance, light emitting diode and LCD240128 chip, the button and light emitting diode are equipped with 7, and wherein 6
A button is connected with the pin 10,11,12,13,14 and 15 of central processing unit (1) respectively by the resistance of 3K, the centre
The pin 10,11,12,13,14 and 15 for managing device (1) is connected with 6 light emitting diodes by 510 ohm of resistance respectively, institute
The pin 16 for stating central processing unit (1) is connected by 510 ohm of resistance with the 7th light emitting diode, and 7 light emitting diodes
It is connected with the pin 17 of central processing unit (1), 7 buttons are grounded, the pin 9 of the button S7 and LCD240128 chip
It is connected, the pin 9 of the LCD240128 chip connects the power supply of Vcc, the pipe of the LCD240128 chip by the resistance of 3K
Foot 2,18 and 21 is grounded, and the pin 20 of the LCD240128 chip connects Vcc power supply by the resistance of 3.9K, described
The pin 19 of LCD240128 chip connects Vcc power supply by the resistance of 20k, and the pin 3 of the LCD240128 chip connects Vcc
The pin 5,6,7,8,9,10,11,12,13,14,15,16 and 17 of power supply, the LCD240128 chip is separately connected centre
The pin 33,34,36,35,20,51,48,47,46,45 and 44 of device (1) is managed, the pin 1 of the LCD240128 chip connects day
Line.
5. a kind of electrical fire monitoring device according to claim 1, it is characterised in that: the central processing unit (1)
Pin 62 and 63 is connected with the capacitor of 104uf, and the pin 62 of central processing unit (1) is grounded, the pipe of the central processing unit (1)
Foot 33 and 23 is grounded, and the pin 1 of the central processing unit (1) connects VCC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821788398.XU CN208954283U (en) | 2018-11-01 | 2018-11-01 | A kind of electrical fire monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821788398.XU CN208954283U (en) | 2018-11-01 | 2018-11-01 | A kind of electrical fire monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954283U true CN208954283U (en) | 2019-06-07 |
Family
ID=66743646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821788398.XU Expired - Fee Related CN208954283U (en) | 2018-11-01 | 2018-11-01 | A kind of electrical fire monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954283U (en) |
-
2018
- 2018-11-01 CN CN201821788398.XU patent/CN208954283U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 |