CN108777052A - Low-power-consumption wireless fire alarm system and wireless control circuit - Google Patents
Low-power-consumption wireless fire alarm system and wireless control circuit Download PDFInfo
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- CN108777052A CN108777052A CN201811051635.9A CN201811051635A CN108777052A CN 108777052 A CN108777052 A CN 108777052A CN 201811051635 A CN201811051635 A CN 201811051635A CN 108777052 A CN108777052 A CN 108777052A
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- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 23
- 239000011324 bead Substances 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 230000006698 induction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
Abstract
The invention provides a low-power-consumption wireless fire alarm system and a wireless control circuit, which comprise a wireless fire alarm and a plurality of low-power-consumption wireless sensing terminals connected with the wireless fire alarm; the low-power-consumption wireless sensing terminal detects environmental parameters and transmits detection data to the wireless fire alarm, and the wireless fire alarm processes and analyzes the detection data and determines whether to alarm. The wireless fire alarm system is adopted, and a wireless network transmission technology is adopted, so that a large number of engineering wiring-level wires can be saved in actual installation, and the system is simple and convenient to maintain; meanwhile, the low-power-consumption wireless sensing terminal detects environmental parameters and transmits detection data to the wireless fire alarm, and the wireless fire alarm processes and analyzes the detection data and determines whether to alarm or not, so that the system is simple and convenient; in addition, a wireless fire alarm can connect a plurality of low-power consumption wireless response terminals, is convenient for detect the environment on a large scale, convenient to use more.
Description
Technical field
The present embodiments relate to fire alarm system technical field more particularly to a kind of low-consumption wireless fire alarm systems
System and radio control circuit.
Background technology
With the increase of Modern Family's fire, electricity consumption, the frequency that family fire occurs is higher and higher.Family fire is once
Occur, it is easy to occur putting out a fire to save life and property not in time, fire distinguisher lacks and people on the scene is panic, the escape unfavorable factors such as slow, most
Lead to great life and property loss eventually.The characteristics of inquiring into family fire and fire Countermeasure reduce fire for preventing family fire
Loss has realistic meaning.
Existing fire alarm system largely uses wired fire alarm system according to signal.Wired fire alarm system
The fire alarm system consumptive material of composition is more, design, construction and later stage system maintenance it is of high cost.And due to passing through wired chain
It connects, there is a problem of that circuit is easy to aging.
Invention content
The present invention is to solve technical problem mentioned above in the background art, provides a kind of low-consumption wireless fire alarm
System and radio control circuit.
The present invention provides a kind of low-consumption wireless fire alarm system, including wireless fire disaster alarm and it is multiple with it is wireless
The low-consumption wireless inductive terminations of fire-alarm connection；Low-consumption wireless inductive terminations are detected environmental parameter and will inspections
Measured data passes to wireless fire disaster alarm, and wireless fire disaster alarm carries out processing analysis to detection data and decides whether to report
It is alert.
Further, the system also includes respectively connect with wireless fire disaster alarm and low-consumption wireless inductive terminations
Wireless repeater.
Further, the low-consumption wireless inductive terminations include low-consumption wireless smoke alarm, low-consumption wireless temperature
Feel detector, low-consumption wireless manual fire alarm call point, low-consumption wireless audible-visual annunciator and low-consumption wireless input and output
It is one or more in device.
Further, the system comprises a wireless fire disaster alarm, multiple wireless repeaters and multiple low-power consumption without
Line inductive terminations；Part wireless repeater is connect with wireless fire disaster alarm respectively in the multiple wireless repeater, remaining point
It is not sequentially connected to the wireless repeater being connect with wireless fire disaster alarm；The multiple low-consumption wireless inductive terminations are connected to
Wireless fire disaster alarm or wireless repeater.
Further, the wireless fire disaster alarm is equipped with display module.
On the other hand, the present invention also provides a kind of radio control circuits of low-consumption wireless fire alarm system, including control
End radio control circuit processed and terminal wireless control circuit, the control terminal radio control circuit include control terminal control circuit
And the radio communication circuit being connect with control terminal control circuit；The control terminal control circuit passes through with radio communication circuit
SPI interface connects；The terminal wireless control circuit includes null terminator Null control circuit and the nothing that is connect with null terminator Null control circuit
Line telecommunication circuit；The null terminator Null control circuit is connect with radio communication circuit by SPI interface.
Further, the control terminal control circuit includes the first control chip, and the first control chip is equipped with 64
A pin；The radio communication circuit includes the second chip equipped with 20 pins, the 15th pin of first chip and the
1st pin of two chips connects, and the 16th pin of the first chip is connect with the 20th pin of the second chip, and the 17th of the first chip the
Pin is connect with the 19th pin of the second chip, and the 20th pin of the first chip is connect with the 15th pin of the second chip, and first
21st pin of chip is connect with the 12nd pin of the second chip, the 22nd pin of the first chip and the 13rd pipe of the second chip
23rd pin of foot, the first chip is connect with the 14th pin of the second chip, the 24th pin of the first chip and the second chip
11st pin connects, and the 25th pin of the first chip connect with the 9th pin of the second chip, the 26th pin of the first chip and the
10th pin of two chips connects.
Further, the null terminator Null control circuit includes third control chip, and the third control chip is equipped with 28
Pin；The radio communication circuit includes the fourth chip equipped with 20 pins, the 13rd pin and the 4th of the third chip
1st pin of chip connects, and the 16th pin of the third chip and the 15th pin of fourth chip connect, the third chip
The 17th pin and fourth chip the 12nd pin connect, the 14th pin of the 18th pin and fourth chip of the third chip
13rd pin of connection, the 19th pin of the third chip and fourth chip connects, the 20th pin of the third chip with
11st pin of fourth chip connects, and the 24th pin of the third chip and the 10th pin of fourth chip connect.
Further, the radio communication circuit further includes sequentially connected first electric wire connecting junction J1, the first inductance L1,
The concatermer of one capacitance C1, the second voltage-stablizer LM2, the first voltage-stablizer LM1, zero capacitance C0 and zero inductance L0, the described 0th
The other end of inductance L0 is connected to the 4th pin of the second chip, the node between the first voltage-stablizer LM1 and zero capacitance C0
It is grounded by capacitance CM, the node between the second voltage-stablizer LM2 and the first voltage-stablizer LM1 is grounded by capacitance CM1；It is described
Node between first capacitance C1 and the second voltage-stablizer LM2 is grounded by capacitance CM2；The first inductance L1 and the first capacitance
Node between C1 connects the 20th capacitance C20；Node between first electric wire connecting junction J1 and the first inductance L1 is connected to the two or two
One end of the doublet of pole pipe D2 and the 19th capacitance C19；The other end of the 20th capacitance C20 is connected to the 19th electricity
Hold the other end of C19 and ground connection.
Further, the 1st pin connection of first chip is by the 6th capacitance C6 ground connection, and the 6th capacitance C6 is simultaneously
It is associated with the 7th capacitance C7 and is parallel with the concatermer of the first magnetic bead FB1 and the 8th capacitance C8；The electricity of the first magnetic bead FB1 and the 8th
The node held between C8 is connected to RFVDD nodes；19th pin of first chip is sequentially connected second resistance R2 and third
It is grounded after resistance R3, the node between the second resistance R2 and 3rd resistor R3 is connected to the 60th pin of the first chip；Institute
The 28th pin of the first chip is stated by being grounded after the 4th resistance R4；32nd pin of the first chip is sequentially connected first resistor
It being grounded after R1, the 12nd capacitance C12, the 32nd pin of first chip is also attached to the cathode of third zener diode D3,
The anode of the third zener diode D3 be connected between first resistor R1 and the 12nd capacitance C12 and with the first chip
7th pin connects；48th pin of the first chip passes through the 14th capacitance C14 ground connection, the 14th capacitance C14 and the tenth
Five capacitance C15, the 16th capacitance C16, the 17th capacitance C17 and the 18th capacitance C18 are in parallel；64th pin of the first chip
By the 5th capacitance C5 ground connection, the 5th capacitance C5 is in parallel with the concatermer of the 13rd capacitance C13 with the second magnetic bead FB2 and the
Node between two magnetic bead FB2 and the 13rd capacitance C13 is connected to the 13rd pin of the first chip；The control terminal control
Circuit further includes the second electric wire connecting junction J2 equipped with 12 interfaces；The 1st pin, the 19th pin, the 32nd pipe of first chip
Foot, the 48th pin and the 64th pin are connected to the 1st interface and interface 3 of the second electric wire connecting junction J2；The second electric wire connecting junction J2's
5th interface is connected to the 7th pin of the first chip, and the 9th interface of the second electric wire connecting junction J2 is connected to the 49th pin of the first chip,
The 11st pin of second electric wire connecting junction J2 is connected to the 46th pin of the first chip；The 2nd interface of second electric wire connecting junction J2 is connected to
4th interface of the 55th pin of one chip, the second electric wire connecting junction J2 is connected to the 56th pin of the first chip, the second electric wire connecting junction J2's
6th interface and the 8th interfacing ground；The 10th interface of second electric wire connecting junction J2 is connected to the 58th pin of the first chip, the second wiring
The 12nd interface of device J2 is connected to the 59th pin of the first chip.
The beneficial effects of the invention are as follows：The present invention uses wireless fire disaster alarm system, by using wireless network transmissions skill
Art can save a large amount of engineering wire level wire rods in actual installation so that simple system and convenient for safeguard；Meanwhile low-power consumption
Wireless induction terminal-pair environmental parameter is detected and detection data is passed to wireless fire disaster alarm, wireless fire disaster alarm
Processing analysis is carried out to detection data and decides whether to alarm, it is simple and convenient；In addition, a wireless fire disaster alarm can connect it is more
A low-consumption wireless inductive terminations easily facilitate use convenient for being detected on a large scale to environment.
Description of the drawings
Fig. 1 is the connection diagram of low-consumption wireless fire alarm system one embodiment of the present invention.
Fig. 2 is the connection diagram of low-consumption wireless fire alarm system one embodiment of the present invention.
Fig. 3 is the connection diagram of low-consumption wireless fire alarm system one embodiment of the present invention.
Fig. 4 is the circuit diagram of the control terminal control circuit of low-consumption wireless fire alarm system control circuit of the present invention.
Fig. 5 is the first control of the control terminal control circuit of low-consumption wireless fire alarm system control circuit of the present invention
The circuit diagram of chip.
Fig. 6 is the partial circuit of the control terminal control circuit of low-consumption wireless fire alarm system control circuit of the present invention
Figure.
Fig. 7 is the partial circuit of the control terminal control circuit of low-consumption wireless fire alarm system control circuit of the present invention
Figure.
Fig. 8 is the circuit diagram of the radio communication circuit of low-consumption wireless fire alarm system control circuit of the present invention.
Fig. 9 is the circuit diagram of the null terminator Null control circuit of low-consumption wireless fire alarm system control circuit of the present invention.
Figure 10 is the third control of the null terminator Null control circuit of low-consumption wireless fire alarm system control circuit of the present invention
The circuit diagram of chip.
Figure 11 is the partial circuit of the null terminator Null control circuit of low-consumption wireless fire alarm system control circuit of the present invention
Figure.
Figure 12 is the partial circuit of the null terminator Null control circuit of low-consumption wireless fire alarm system control circuit of the present invention
Figure.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Below by specific implementation mode combination attached drawing, invention is further described in detail.
As shown in FIG. 1 to 3, the present invention provides a kind of low-consumption wireless fire alarm systems, including wireless fire disaster report
Alert device 1 and multiple low-consumption wireless inductive terminations 2 being connect with wireless fire disaster alarm 1；Low-consumption wireless inductive terminations 2 are to ring
Border parameter is detected and detection data is passed to wireless fire disaster alarm 1, and wireless fire disaster alarm 1 carries out detection data
Processing is analyzed and decides whether to alarm.
The present invention uses wireless fire disaster alarm system, by using wireless network transmission technology, can be in actual installation
Save a large amount of engineering wire level wire rods so that simple system and convenient for safeguard；Meanwhile low-consumption wireless inductive terminations 2 are to environment
Parameter is detected and detection data is passed to wireless fire disaster alarm 1, wireless fire disaster alarm 1 to detection data at
Reason is analyzed and decides whether to alarm, simple and convenient；In addition, a wireless fire disaster alarm 1 can connect multiple low-consumption wireless senses
Terminal 2 is answered, convenient for being detected on a large scale to environment, easily facilitates use.
In one alternate embodiment, the system also includes respectively with wireless fire disaster alarm 1 and low-consumption wireless sense
The wireless repeater 3 for answering terminal 2 to connect.In the present embodiment, low-consumption wireless fire can be increased by the way that wireless repeater 3 is arranged
The quantity of the low-consumption wireless inductive terminations 2 of alarm system connection so that the model that low-consumption wireless fire alarm system is covered
Enclose more significantly, easily facilitates use.
In one alternate embodiment, the low-consumption wireless inductive terminations 2 include low-consumption wireless smoke alarm, low
Power consumption wireless temperature detector, low-consumption wireless manual fire alarm call point, low-consumption wireless audible-visual annunciator and low-power consumption without
It is one or more in line input and output device.By the way that different inductive terminations 2 are arranged, the parameter of surrounding enviroment can be carried out more
Orientation detection so that detection, processing, alarm, coordinated signals and the display that this system has both fire signal are integrated, simple in structure
And it is easy to use.
In one alternate embodiment, the system comprises a wireless fire disaster alarm 1, multiple wireless repeaters 3 and
Multiple low-consumption wireless inductive terminations 2；In the multiple wireless repeater 3 part wireless repeater 3 respectively with wireless fire disaster report
Alert device 1 connects, remaining is sequentially connected to the wireless repeater being connect with wireless fire disaster alarm 13 respectively；The multiple low-power consumption
Wireless induction terminal 1 is connected to wireless fire disaster alarm 1 or wireless repeater 3.The at most connection 50 of the wireless fire disaster alarm 1
A low-consumption wireless inductive terminations 2 and/or wireless repeater 1.The at most 50 low-consumption wireless senses of connection of the wireless repeater 1
Answer terminal 2 and/or wireless repeater 3.The system at most 50 low-consumption wireless inductive terminations 2 of connection.Pass through wireless relay
The use of device 3 can be effectively increased the quantity for the low-consumption wireless inductive terminations 3 that this system is connected, improve the covering of this system
Range.
In one alternate embodiment, the wireless fire disaster alarm 1 is equipped with display module, memory module and control mould
Block.Equipped with display module, convenient for wireless fire disaster alarm 1, treated that data are shown, and it is stored in memory module,
User is facilitated to check.
On the other hand, as shown in Fig. 4~Figure 12, the present invention provides a kind of the wireless of low-consumption wireless fire alarm system
Control circuit, including control terminal radio control circuit, the control terminal radio control circuit include control terminal control circuit and
The radio communication circuit being connect with control terminal control circuit；The control terminal control circuit passes through with radio communication circuit
SPI interface connects.
The present invention stablizes by using 32 Cortex-M3 kernel MCU, system operation high speed, is reliable.Control terminal control
Circuit and null terminator Null control circuit processed is communicated by SPI interface and radio communication circuit；By using wireless network transmissions
Technology can save a large amount of engineering wire level wire rods in actual installation so that simple system and convenient for safeguard；Meanwhile low work(
Consumption wireless induction terminal-pair environmental parameter is detected and detection data is passed to wireless control end, and wireless control end is to detection
Data carry out processing analysis and decide whether to alarm, simple and convenient；In addition, a wireless control end can connect multiple low-power consumption without
Line inductive terminations easily facilitate use convenient for being detected on a large scale to environment.
In one alternate embodiment, the control terminal control circuit includes the first control chip, first control
Chip is equipped with 64 pins；The radio communication circuit includes the second chip equipped with 20 pins, and the of first chip
15 pins are connect with the 1st pin of the second chip, and the 16th pin of the first chip is connect with the 20th pin of the second chip, and first
17th pin of chip is connect with the 19th pin of the second chip, the 20th pin of the first chip and the 15th pin of the second chip
Connection, the 21st pin of the first chip are connect with the 12nd pin of the second chip, the 22nd pin of the first chip and the second chip
The 13rd pin, the 23rd pin of the first chip connect with the 14th pin of the second chip, the 24th pin of the first chip and
11st pin of two chips connects, and the 25th pin of the first chip is connect with the 9th pin of the second chip, and the 26th of the first chip the
Pin is connect with the 10th pin of the second chip.The 1st pin connection of first chip is described by the 6th capacitance C6 ground connection
6th capacitance C6 is parallel with the 7th capacitance C7 and is parallel with the concatermer of the first magnetic bead FB1 and the 8th capacitance C8；First magnetic
Node between pearl FB1 and the 8th capacitance C8 is connected to RFVDD nodes；19th pin of first chip is sequentially connected second
It is grounded after resistance R2 and 3rd resistor R3, the node between the second resistance R2 and 3rd resistor R3 is connected to the first chip
60th pin；28th pin of first chip after the 4th resistance R4 by being grounded；32nd pin of the first chip connects successively
It is grounded after meeting first resistor R1, the 12nd capacitance C12, the 32nd pin of first chip is also attached to third zener diode
The anode of the cathode of D3, the third zener diode D3 is connected between first resistor R1 and the 12nd capacitance C12 and with
7th pin of one chip connects；48th pin of the first chip passes through the 14th capacitance C14 ground connection, the 14th capacitance C14
It is in parallel with the 15th capacitance C15, the 16th capacitance C16, the 17th capacitance C17 and the 18th capacitance C18；The 64th of first chip
For pin by the 5th capacitance C5 ground connection, the 5th capacitance C5 and the second magnetic bead FB2 are in parallel with the concatermer of the 13rd capacitance C13
And the second node between magnetic bead FB2 and the 13rd capacitance C13 is connected to the 13rd pin of the first chip；The control terminal control
Circuit processed further includes the second electric wire connecting junction J2 equipped with 12 interfaces；The 1st pin, the 19th pin, the 32nd pipe of first chip
Foot, the 48th pin and the 64th pin are connected to the 1st interface and interface 3 of the second electric wire connecting junction J2；The second electric wire connecting junction J2's
5th interface is connected to the 7th pin of the first chip, and the 9th interface of the second electric wire connecting junction J2 is connected to the 49th pipe of the first chip
11st pin of foot, the second electric wire connecting junction J2 is connected to the 46th pin of the first chip；The 2nd interface of second electric wire connecting junction J2 is connected to
4th interface of the 55th pin of the first chip, the second electric wire connecting junction J2 is connected to the 56th pin of the first chip, the second electric wire connecting junction J2
The 6th interface and the 8th interfacing ground；The 10th interface of second electric wire connecting junction J2 is connected to the 58th pin of the first chip, and second connects
The 12nd interface of line device J2 is connected to the 59th pin of the first chip.The radio communication circuit further includes sequentially connected first
Electric wire connecting junction J1, the first inductance L1, the first capacitance C1, the second voltage-stablizer LM2, the first voltage-stablizer LM1, zero capacitance C0 and the 0th
The other end of the concatermer of inductance L0, the zero inductance L0 is connected to the 4th pin of the second chip, first voltage-stablizer
Node between LM1 and zero capacitance C0 is grounded by capacitance CM, between the second voltage-stablizer LM2 and the first voltage-stablizer LM1
Node be grounded by capacitance CM1；Node between the first capacitance C1 and the second voltage-stablizer LM2 is grounded by capacitance CM2；
Node between the first inductance L1 and the first capacitance C1 connects the 20th capacitance C20；First electric wire connecting junction J1 and the first inductance
Node between L1 is connected to one end of the doublet of the second diode D2 and the 19th capacitance C19；20th capacitance
The other end of C20 is connected to the other end of the 19th capacitance C19 and ground connection.The first control chip uses 32 Cortex-
M3 kernels CPU.
On the other hand, the present invention also provides a kind of radio control circuits of low-consumption wireless fire alarm system, including end
Radio control circuit, the terminal wireless control circuit is held to include null terminator Null control circuit and connect with null terminator Null control circuit
Radio communication circuit；The null terminator Null control circuit is connect with radio communication circuit by SPI interfaces.The present invention by using
32 Cortex-M3 kernel MCU, system operation high speed are stablized, are reliable.Control terminal control circuit and null terminator Null control circuit
It is communicated by SPI interface and radio communication circuit；It can be saved by using wireless network transmission technology, in actual installation
Remove a large amount of engineering wire level wire rods so that simple system and convenient for safeguard；Meanwhile low-consumption wireless inductive terminations are to environmental parameter
It is detected and detection data is passed into wireless control end, wireless control end carries out processing analysis and decision to detection data is
No alarm, it is simple and convenient；In addition, a wireless control end can connect multiple low-consumption wireless inductive terminations, convenient for environment into
The a wide range of detection of row, easily facilitates use.
In one alternate embodiment, the null terminator Null control circuit includes third control chip, and the third controls core
Piece is equipped with 28 pins；The radio communication circuit includes the fourth chip equipped with 20 pins, and the 13rd of the third chip the
Pin and the 1st pin of fourth chip connect, and the 16th pin of the third chip and the 15th pin of fourth chip connect,
17th pin of the third chip and the 12nd pin of fourth chip connect, the 18th pin and the 4th of the third chip
14th pin of chip connects, and the 19th pin of the third chip and the 13rd pin of fourth chip connect, the third core
20th pin of piece and the 11st pin of fourth chip connect, the 24th pin of the third chip and the 10th pipe of fourth chip
Foot connects.26th pin of the third chip is grounded after connecting the 30th capacitance C30, the 27th pin connection of third chip
It is grounded after 31st capacitance C31, the second crystal oscillator Y2 is also associated between the 26th pin of third chip and the 27th pin；Third
7th pin of chip is grounded after being separately connected the 33rd capacitance C33 and the 25th capacitance C25.The radio communication circuit
Further include sequentially connected first electric wire connecting junction J1, the first inductance L1, the first capacitance C1, the second voltage-stablizer LM2, the first voltage-stablizer
The other end of the concatermer of LM1, zero capacitance C0 and zero inductance L0, the zero inductance L0 is connected to the 4th of the second chip
Pin, the node between the first voltage-stablizer LM1 and zero capacitance C0 are grounded by capacitance CM, the second voltage-stablizer LM2
And the first node between voltage-stablizer LM1 is grounded by capacitance CM1；Between the first capacitance C1 and the second voltage-stablizer LM2
Node is grounded by capacitance CM2；Node between the first inductance L1 and the first capacitance C1 connects the 20th capacitance C20；The
Node between one electric wire connecting junction J1 and the first inductance L1 is connected to the one of the doublet of the second diode D2 and the 19th capacitance C19
End；The other end of the 20th capacitance C20 is connected to the other end and the ground connection of the 19th capacitance C19.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation
Example ", " some embodiments ", " in one alternate embodiment ", " specifically ", " example ", " specific example " or " some examples "
Deng description mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example be contained in the present invention
In at least one embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical
Embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be implemented in any one or more
It can be combined in any suitable manner in example or example.
The above content is combining, specific embodiment is made for the present invention to be further described, and it cannot be said that this hair
Bright specific implementation is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.
Claims (10)
1. a kind of low-consumption wireless fire alarm system, it is characterised in that：Including wireless fire disaster alarm and multiple and wireless fire
The low-consumption wireless inductive terminations of calamity alarm connection；Low-consumption wireless inductive terminations are detected environmental parameter and will detections
Data transfer gives wireless fire disaster alarm, wireless fire disaster alarm to carry out processing analysis to detection data and decide whether to alarm.
2. low-consumption wireless fire alarm system as described in claim 1, it is characterised in that：The system also includes respectively with
The wireless repeater that wireless fire disaster alarm is connected with low-consumption wireless inductive terminations.
3. low-consumption wireless fire alarm system as claimed in claim 1 or 2, it is characterised in that：The low-consumption wireless sense
Answer terminal include low-consumption wireless smoke alarm, low-consumption wireless temperature detector, low-consumption wireless manual fire alarm by
It is one or more in button, low-consumption wireless audible-visual annunciator and low-consumption wireless input and output device.
4. low-consumption wireless fire alarm system as claimed in claim 2, it is characterised in that：It is wireless the system comprises one
Fire-alarm, multiple wireless repeaters and multiple low-consumption wireless inductive terminations；Part nothing in the multiple wireless repeater
Line repeater is connect with wireless fire disaster alarm respectively, remaining is sequentially connected to connect with wireless fire disaster alarm respectively wireless
Repeater；The multiple low-consumption wireless inductive terminations are connected to wireless fire disaster alarm or wireless repeater.
5. low-consumption wireless fire alarm system as described in claim 1 or 4, it is characterised in that：The wireless fire disaster alarm
Device is equipped with display module.
6. a kind of radio control circuit based on Claims 1 to 5 any one of them low-consumption wireless fire alarm system,
It is characterized in that：Including control terminal radio control circuit and terminal wireless control circuit, the control terminal radio control circuit includes
Control terminal control circuit and the radio communication circuit being connect with control terminal control circuit；The control terminal control circuit with
Radio communication circuit is connected by SPI interface；The terminal wireless control circuit includes null terminator Null control circuit and and null terminator Null
The radio communication circuit of control circuit connection；The null terminator Null control circuit is connect with radio communication circuit by SPI interface.
7. the radio control circuit of low-consumption wireless fire alarm system as claimed in claim 6, it is characterised in that：The control
Terminal control circuit processed includes the first control chip, and the first control chip is equipped with 64 pins；The radio communication circuit
Include the second chip equipped with 20 pins, the 15th pin of first chip is connect with the 1st pin of the second chip, and first
16th pin of chip is connect with the 20th pin of the second chip, the 17th pin of the first chip and the 19th pin of the second chip
Connection, the 20th pin of the first chip are connect with the 15th pin of the second chip, the 21st pin of the first chip and the second chip
The connection of the 12nd pin, the 22nd pin of the first chip and the 13rd pin of the second chip, the 23rd pin of the first chip and the
14th pin of two chips connects, and the 24th pin of the first chip is connect with the 11st pin of the second chip, and the of the first chip
25 pins are connect with the 9th pin of the second chip, and the 26th pin of the first chip is connect with the 10th pin of the second chip.
8. the radio control circuit of low-consumption wireless fire alarm system as claimed in claim 7, it is characterised in that：The end
Terminal control circuit includes third control chip, and the third control chip is equipped with 28 pins；The radio communication circuit packet
The fourth chip equipped with 20 pins is included, the 13rd pin of the third chip and the 1st pin of fourth chip connect, and described the
16th pin of three chips and the 15th pin of fourth chip connect, and the of the 17th pin of the third chip and fourth chip
12 pins connect, and the 18th pin of the third chip and the 14th pin of fourth chip connect, and the 19th of the third chip the
Pin and the 13rd pin of fourth chip connect, and the 20th pin of the third chip and the 11st pin of fourth chip connect,
24th pin of the third chip and the 10th pin of fourth chip connect.
9. the radio control circuit of low-consumption wireless fire alarm system as claimed in claim 8, it is characterised in that：The nothing
Line telecommunication circuit further includes sequentially connected first electric wire connecting junction J1, the first inductance L1, the first capacitance C1, the second voltage-stablizer LM2,
The other end of the concatermer of one voltage-stablizer LM1, zero capacitance C0 and zero inductance L0, the zero inductance L0 is connected to the second core
4th pin of piece, the node between the first voltage-stablizer LM1 and zero capacitance C0 are grounded by capacitance CM, and described second is steady
Node between depressor LM2 and the first voltage-stablizer LM1 is grounded by capacitance CM1；The first capacitance C1 and the second voltage-stablizer LM2
Between node be grounded by capacitance CM2；Node between the first inductance L1 and the first capacitance C1 connects the 20th capacitance
C20；Node between first electric wire connecting junction J1 and the first inductance L1 is connected to the parallel connection of the second diode D2 and the 19th capacitance C19
One end of body；The other end of the 20th capacitance C20 is connected to the other end and the ground connection of the 19th capacitance C19.
10. the radio control circuit of low-consumption wireless fire alarm system as claimed in claim 9, it is characterised in that：It is described
The 1st pin connection of first chip is parallel with the 7th capacitance C7 and parallel connection by the 6th capacitance C6 ground connection, the 6th capacitance C6
There is the concatermer of the first magnetic bead FB1 and the 8th capacitance C8；Node between the first magnetic bead FB1 and the 8th capacitance C8 is connected to
RFVDD nodes；19th pin of first chip is grounded after being sequentially connected second resistance R2 and 3rd resistor R3, and described second
Node between resistance R2 and 3rd resistor R3 is connected to the 60th pin of the first chip；28th pin of first chip is logical
It is grounded after crossing the 4th resistance R4；32nd pin of the first chip is grounded after being sequentially connected first resistor R1, the 12nd capacitance C12,
32nd pin of first chip is also attached to the cathode of third zener diode D3, the sun of the third zener diode D3
Pole is connected between first resistor R1 and the 12nd capacitance C12 and is connect with the 7th pin of the first chip；The 48th of first chip
Pin passes through the 14th capacitance C14 ground connection, the 14th capacitance C14 and the 15th capacitance C15, the 16th capacitance C16, the tenth
Seven capacitance C17 and the 18th capacitance C18 are in parallel；64th pin of the first chip passes through the 5th capacitance C5 ground connection, the 5th electricity
Appearance C5 is in parallel with the concatermer of the 13rd capacitance C13 with the second magnetic bead FB2 and between the second magnetic bead FB2 and the 13rd capacitance C13
Node be connected to the 13rd pin of the first chip；The control terminal control circuit further includes being equipped with the second of 12 interfaces to connect
Line device J2；The 1st pin, the 19th pin, the 32nd pin, the 48th pin and the 64th pin of first chip are connected to second and connect
The 1st interface and interface 3 of line device J2；The 5th interface of the second electric wire connecting junction J2 is connected to the 7th pin of the first chip, the
The 9th interface of two electric wire connecting junction J2 is connected to the 49th pin of the first chip, and the 11st pin of the second electric wire connecting junction J2 is connected to first
46th pin of chip；The 2nd interface of second electric wire connecting junction J2 is connected to the 55th pin of the first chip, and the of the second electric wire connecting junction J2
4 interfaces are connected to the 56th pin of the first chip, the 6th interface and the 8th interfacing ground of the second electric wire connecting junction J2；Second electric wire connecting junction J2
The 10th interface be connected to the 58th pin of the first chip, the 12nd interface of the second electric wire connecting junction J2 is connected to the 59th of the first chip
Pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051635.9A CN108777052A (en) | 2018-09-10 | 2018-09-10 | Low-power-consumption wireless fire alarm system and wireless control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051635.9A CN108777052A (en) | 2018-09-10 | 2018-09-10 | Low-power-consumption wireless fire alarm system and wireless control circuit |
Publications (1)
| Publication Number | Publication Date |
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| CN108777052A true CN108777052A (en) | 2018-11-09 |
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ID=64029066
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811051635.9A Pending CN108777052A (en) | 2018-09-10 | 2018-09-10 | Low-power-consumption wireless fire alarm system and wireless control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191812A (en) * | 2018-09-10 | 2019-01-11 | 深圳市泛海三江电子股份有限公司 | The control method of wireless fire disaster alarm system |
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Address after: 518000 the three floor of the new world apartment, Nanshan Avenue, Nanshan District, Shenzhen, Guangdong (for office only). Applicant after: Shenzhen hi tech investment Sanjiang Electronics Co.,Ltd. Address before: 518000 F3, Guangcai Xintiandi apartment, Nanshan Avenue, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN FANHAI SANJIANG ELECTRONICS Co.,Ltd. |