CN108829000A - A kind of Cabinet environmental monitoring installation - Google Patents
A kind of Cabinet environmental monitoring installation Download PDFInfo
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- CN108829000A CN108829000A CN201810662066.5A CN201810662066A CN108829000A CN 108829000 A CN108829000 A CN 108829000A CN 201810662066 A CN201810662066 A CN 201810662066A CN 108829000 A CN108829000 A CN 108829000A
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- Prior art keywords
- environmental monitoring
- circuit
- sensor
- cpu control
- control circuit
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The invention discloses a kind of Cabinet environmental monitoring installations, are related to optical communication field, including several sensors, environmental monitoring module and access case, and environmental monitoring module is used to carry out environmental monitoring to Cabinet；Access case includes sensor access circuit corresponding with number of sensors, cpu control circuit and first line of a couplet interface circuit, and each sensor access circuit is separately connected a sensor；Cpu control circuit is connected with all sensor access circuits, and cpu control circuit is used to acquire the signal of all the sensors；First line of a couplet interface circuit connects cpu control circuit and environmental monitoring module, and first line of a couplet interface circuit is used to carry out the serial communication between cpu control circuit and environmental monitoring module.A kind of Cabinet environmental monitoring installation provided by the invention, installation process is simple, more convenient, substantially increases construction efficiency, meanwhile, the workload of operation maintenance personnel is reduced, maintenance cost has been saved.
Description
Technical field
The present invention relates to optical communication fields, and in particular to a kind of Cabinet environmental monitoring installation.
Background technique
Due to FTTH (Fiber To The Home, fiber to the home), (Fiber To The Cabnet, optical fiber arrive FTTC
Roadside), the extensive use of FTTB (Fiber To The Biuding, optical fiber to building), global FTTx (FTTx be FTTH,
The general name of FTTC, FTTB) explosive growth is welcome, the FTTx construction upsurge in global range has further pushed network of relation to set
Standby market development.Since FTTx mainly uses PON (Passive Optical Network, passive optical network) technology, it is by one
A OLT (Optical Line Terminal, optical line terminal) branch gives tens of thousands of a ONU (Optical up to a hundred
Network Unit, optical network unit).OLT device and ONU equipment are widely distributed, place dispersion, so that these network equipments need
Want a large amount of Cabinet.
However, outside telecommunication equipment enclosure working environment is severe, it is easy by factors such as high temperature, sleet, artificial destructions
Infringement, environmental monitoring have become the emphasis of operation maintenance personnel concern.
In the prior art, the communication equipment of some types also has a Cabinet, but the type sum number of environmental monitoring management
Measure less, the access of environmental monitoring is also relatively simple, holds so that the environmental monitoring management of these Cabinets is opposite
Easily.
However, for FTTx service the network equipment due to widely distributed and quantity it is more, need remote monitoring and administration
Website is more, the type and quantity of monitoring are more, and existing environmental monitoring has been unable to satisfy the demand, can only be by every kind of environmental monitoring
Sensor carries out being linked into environmental monitoring module respectively, and process is cumbersome, and installation is complicated, not only inefficiency, but also increases
The workload for having added the operation maintenance personnel of operator causes maintenance cost higher.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of Cabinet environmental monitoring dresses
It sets, installation process is simple, and it is more convenient, construction efficiency is substantially increased, meanwhile, the workload of operation maintenance personnel is reduced, is saved
Maintenance cost.
To achieve the above objectives, the technical solution adopted by the present invention is that：
A kind of Cabinet environmental monitoring installation, including：
Several sensors；
One environmental monitoring module, the environmental monitoring module are used to carry out environmental monitoring to Cabinet；
One access case, the access case include：
Sensor corresponding with the number of sensors accesses circuit, and each sensor access circuit is separately connected described in one
Sensor；
One cpu control circuit, the cpu control circuit are connected with all sensor access circuits, the CPU control
Circuit is used to acquire the signal of all the sensors；
One first line of a couplet interface circuit, the first line of a couplet interface circuit connects the cpu control circuit and environmental monitoring module, described
First line of a couplet interface circuit is used to carry out the serial communication between cpu control circuit and environmental monitoring module.
Based on the above technical solution, the access case further includes several dry contact input circuits, all described dry
Contact input circuit is connected with cpu control circuit, and the cpu control circuit is also used to acquire by dry contact input circuit dry
Contact point signal.
Based on the above technical solution, the access case further includes several dry contact output circuits, all described dry
Contact output circuit is connected with cpu control circuit, and the cpu control circuit is also used to control phase by dry contact output circuit
The equipment that should be connected.
It based on the above technical solution, further include a communication system equipment and remote network management system, the communication system
System equipment is connected with the environmental monitoring module and remote network management system, and the remote network management system is all for remotely managing
Sensor signal.
Based on the above technical solution, the cpu control circuit includes a single-chip microcontroller, and the single-chip microcontroller is connected with one
Reset circuit and crystal oscillating circuit.
Based on the above technical solution, the reset circuit is made of resistance R63 and capacitor C137, the resistance
The one end R63 connects supply voltage, and the other end connects a pin of the single-chip microcontroller, and the one end capacitor C137 ground connection is another
End connects another pin of the single-chip microcontroller.
Based on the above technical solution, the crystal oscillating circuit is made of crystal X1, capacitor C214 and capacitor C215, institute
One that the one end crystal X1 connects the single-chip microcontroller is stated, the other end connects another pin of the single-chip microcontroller, and the crystal
The one end X1 is grounded after capacitor C214, and the other end is grounded after capacitor C215.
Based on the above technical solution, the first line of a couplet interface circuit includes a RS485 chip, the RS485 chip
Bus be equipped with several resistance and diode.
Based on the above technical solution, the sensor is Temperature Humidity Sensor, smoke sensor device, gate inhibition's sensing
Device, water enchroachment (invasion) sensor, battery temperature sensor or shock sensor.
It based on the above technical solution, further include an alarm, the alarm connects a dry contact output circuit,
The cpu control circuit controls the alarm and issues alarm signal.
Compared with the prior art, the advantages of the present invention are as follows：
(1) Cabinet environmental monitoring installation of the invention includes an access case, and access case connects sensor and environment prison
Module is controlled, access case includes sensor access circuit, cpu control circuit and first line of a couplet interface circuit, and all the sensors, which pass through, to be connect
Enter box JA(junction ambient) monitoring module, on the one hand, so that whole installation process is simple, it is more convenient, construction efficiency is substantially increased,
Meanwhile the workload of operation maintenance personnel is reduced, maintenance cost is saved, on the other hand, not due to various sensor mounting locations
Together, so that cabinet internal wiring is intricate, access case selection is fixed in place, sensor wiring can be optimized, just
In later maintenance.
(2) access case of the invention further includes several dry contact input circuits and several dry contact output circuits, that is, is being connect
Need to only sensor be connected to corresponding stem grafting when there is new environmental monitoring demand by entering to have reserved several extension mouths on box
On point input circuit, when needing to control certain equipment, which it is defeated need to be only connected to corresponding dry contact by such as alarm
Out on circuit, without change design access case and environmental monitoring module again, versatile, the scope of application is wider.
(3) Cabinet environmental monitoring installation of the invention further includes communication system equipment and remote network management system, can be with
Remote monitoring and administration is carried out to cabinet environment, remote operation is more convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Cabinet environmental monitoring installation in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of access case in the embodiment of the present invention；
Fig. 3 is dry contact input circuit figure in the embodiment of the present invention；
Fig. 4 is dry contact output circuit figure in the embodiment of the present invention；
Fig. 5 is cpu control circuit figure in the embodiment of the present invention；
Fig. 6 is first line of a couplet interface circuit figure in the embodiment of the present invention；
Fig. 7 is that Temperature Humidity Sensor accesses circuit diagram in the embodiment of the present invention；
Fig. 8 is that smoke sensor device accesses circuit diagram in the embodiment of the present invention；
Fig. 9 is that entrance guard sensor accesses circuit diagram in the embodiment of the present invention；
Figure 10 is that water enchroachment (invasion) sensor accesses circuit diagram in the embodiment of the present invention；
Figure 11 is that battery temperature sensor accesses circuit diagram in the embodiment of the present invention；
Figure 12 is that shock sensor accesses circuit diagram in the embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description, it is clear that the described embodiments are only a part but not all of the embodiments of the present application.Below to extremely
The description only actually of a few exemplary embodiment be it is illustrative, never as to the application and its application or using
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall in the protection scope of this application.
Embodiment 1
Referring to figure 1 and figure 2, the embodiment of the present invention provides a kind of Cabinet environmental monitoring installation, including：Several biographies
Sensor, an environmental monitoring module and an access case.The environmental monitoring module is used to carry out environmental monitoring to Cabinet.
The access case includes：Sensor corresponding with the number of sensors accesses circuit, a cpu control circuit and one
First line of a couplet interface circuit.
Each sensor access circuit is separately connected a sensor；The cpu control circuit and all sensors
It accesses circuit to be connected, the cpu control circuit is used to acquire the signal of all the sensors；The first line of a couplet interface circuit connects institute
Cpu control circuit and environmental monitoring module are stated, the first line of a couplet interface circuit is for carrying out cpu control circuit and environmental monitoring module
Between serial communication.
The Cabinet environmental monitoring installation of the embodiment of the present invention includes an access case, and access case connects sensor and environment
Monitoring module, access case include that sensor access circuit, cpu control circuit and first line of a couplet interface circuit, all the sensors pass through
Access case JA(junction ambient) monitoring module, on the one hand, so that whole installation process is simple, it is more convenient, substantially increase construction effect
Rate, meanwhile, the workload of operation maintenance personnel is reduced, maintenance cost has been saved, on the other hand, due to various sensor mounting locations
Access case selection is fixed in place so that cabinet internal wiring is intricate, can optimize sensor wiring by difference,
Convenient for later maintenance.
Embodiment 2
The difference of the embodiment of the present invention and embodiment 1 is：The access case further include several dry contact input circuits and
Several dry contact output circuits, all dry contact input circuits and dry contact output circuit are connected with cpu control circuit,
The cpu control circuit is also used to acquire dry contact signal by dry contact input circuit, and passes through the control of dry contact output circuit
Make the equipment accordingly connected.
In embodiments of the present invention, the access case includes 7 dry contact input circuits and 5 dry contact output circuits,
Each dry contact input circuit is corresponding to be sent to cpu control circuit, each dry contact output electricity for collected dry contact signal
The corresponding dry contact output signal for receiving cpu control circuit in road.
Further, the cpu control circuit includes a single-chip microcontroller U26.
Specifically, shown in Figure 3, by taking a wherein dry contact input circuit as an example, dry contact input circuit is by resistance
R45, resistance R62, capacitor C29, zener diode Z11, protection diode D36, phoenix terminal J2A2 composition, the resistance R62,
Capacitor C29, zener diode Z11 and protection diode D36 latter end ground connection in parallel, the other end after resistance R45 with phoenix
The pin 1 of terminal J2A2 is connected.Wherein, the model BZX84-C4V7 of zener diode Z11, the model of protection diode D36
For BAV99LT1.
Access case is by the pin 2 of phoenix terminal J2A2 to stem grafting dot circuit power supply+12V, dry contact signal ALARM_IN1
It is accessed by the pin 1 of phoenix terminal J2A2, then sends dry contact signal ALARM_IN1 to the PIN6 of single-chip microcontroller U26, by
Single-chip microcontroller U26 is acquired processing.
Shown in Figure 4, by taking a wherein dry contact output circuit as an example, dry contact output circuit is by resistance R411, resistance
R429, capacitor C141, triode Q34, back-pressure preventing protection diode D67, relay RLY2, phoenix terminal J5 composition, back-pressure preventing
The collector of connecting triode Q34 after protection diode D67 and relay RLY2 are in parallel, the emitting stage ground connection of triode Q34, electricity
The base stage of one end connecting triode Q34, the emitting stage of other end connecting triode Q34, institute after resistance R429 and capacitor C141 are in parallel
State the base stage of the one end resistance R411 connecting triode Q34, other end connection control signal OUT1.Wherein, the model of triode Q34
For 2SC4672, the model G5V-1 of the model BAV70LT1 of back-pressure preventing protection diode D67, relay RLY2.
When in use, control signal OUT1 is passed through by single-chip microcontroller U26 by the dry contact output circuit, by relay RLY2
It is converted into OUT1+ and OUT1- two passive dry contact switching signals, is distinguished by the pin 1 and pin 2 of phoenix terminal J5 defeated
Out, it can be used to control the equipment connecting with the dry contact output circuit.
Further, the Cabinet environmental monitoring installation further includes an alarm, and herein, alarm is that dry contact is defeated
Out, the alarm connects a dry contact output circuit, and the cpu control circuit controls the alarm and issues alarm signal.
The Cabinet environmental monitoring installation may also include other newly-increased sensors, which is dry contact input,
Newly-increased sensor connects a dry contact input circuit.
The access case of the embodiment of the present invention further includes several dry contact input circuits and several dry contact output circuits, that is, is existed
Several extension mouths have been reserved on access case, when there is new environmental monitoring demand, sensor need to be only connected to corresponding dry
On contact input circuit, when needing to control certain equipment, which need to be only connected to corresponding dry contact by such as alarm
On output circuit, without change design access case and environmental monitoring module again, versatile, the scope of application is wider.
Embodiment 3
The embodiment of the present invention the difference from embodiment 1 is that：The Cabinet environmental monitoring installation further includes a communication
System equipment and remote network management system, the communication system equipment and the environmental monitoring module and remote network management system are homogeneous
Even, the remote network management system can carry out remote monitoring and administration to cabinet environment for remotely managing all the sensors signal,
Remote operation, it is more convenient.
Embodiment 4
The difference of the embodiment of the present invention and embodiment 1 is：The cpu control circuit includes a single-chip microcontroller U26, the list
Piece machine U26 is connected with a reset circuit and crystal oscillating circuit.
It is shown in Figure 5, in embodiments of the present invention, the model PIC16F1938-1-SS of the single-chip microcontroller U26, institute
The pin PIN1 connection reset signal MCLR of single-chip microcontroller U26 is stated, the reset circuit is made of resistance R63 and capacitor C137, institute
The one end resistance R63 connection 5V supply voltage is stated, the other end connects the pin PIN1 of single-chip microcontroller U26, the termination of capacitor C137 mono-
Ground, the other end connect the pin PIN1 of single-chip microcontroller U26.
The crystal oscillating circuit is made of crystal X1, capacitor C214, capacitor C215, the crystal X1 model 12M HC-
The one end 49SM, the crystal X1 connects the pin PIN9 of the single-chip microcontroller U26, and the other end connects the pin of the single-chip microcontroller U26
PIN10, and the one end the crystal X1 is grounded after capacitor C214, the other end is grounded after capacitor C215.
The pin PIN20 of the single-chip microcontroller U26 connects+5V power supply, pin PIN19 ground connection, and pin PIN20 and pin
Capacitor C91 is equipped between PIN19.
Meanwhile it being respectively equipped on the single-chip microcontroller U26 and several sensors access circuit, dry contact input circuit and stem grafting
The connected pin of point output circuit, and with serial data send pin PIN17 that line is connected, be connected with serial data reception line
PIN18, pin PIN17 is used to connect the sending data end TXD of RS485 chip, and pin PIN18 is for connecting RS485 chip
Reception data terminal RXD.
Specifically, the PIN1 of the single-chip microcontroller U26 connects reset signal MCLR and reset circuit；PIN2 connects gate inhibition's alarm signal
ALARM_DOOR；PIN3 cigarette receiving mist alarm signal ALARM_SMOKE；PIN4 meets vibration alarm signal ALARM_SHOCK；PIN5 connects
Water enchroachment (invasion) alarm signal ALARM_WATER；PIN6 meets dry contact signal ALARM_IN1；PIN7 meets dry contact signal ALARM_IN2；
PIN8 ground connection；PIN9 and PIN10 connect crystal oscillating circuit；PIN11 meets dry contact signal ALARM_IN3；PIN12 connects dry contact signal
ALARM_IN4；PIN13 meets dry contact signal ALARM_IN5；PIN14 meets dry contact signal ALARM_IN6；PIN15 connects temperature and humidity
Sensor signal SDA_T1；PIN16 jointing temp sensor signal SDA_T2；PIN19 ground connection；PIN20 connects+5V power supply；PIN21 connects
Dry contact signal ALARM_IN7；PIN22 meets the transmit-receive position control signal DE_/RE of RS485 chip；It is defeated that PIN23 connects dry contact
Signal OUT1 out；PIN24 meets dry contact output signal OUT2；PIN25 meets dry contact output signal OUT3；PIN26 connects dry contact
Output signal OUT4；PIN27 meets dry contact output signal OUT5；PIN28 meets instruction modulating signal RUN.
In embodiments of the present invention, access case plays data acquisition and control processing and logical with environmental monitoring module
The effects of letter.
Embodiment 5
The difference of the embodiment of the present invention and embodiment 1 is：The first line of a couplet interface circuit includes a RS485 chip U2, institute
The bus for stating RS485 chip U2 is equipped with several resistance and diode.
Shown in Figure 6, specifically, the RS485A- and RS485A+ of the RS485 chip U2 is transceiver bus signal, is received
There are resistance R53, resistance R58, resistance R59, resistance R154, two poles resistance R157, protection diode ZD13 and protection in hair bus
Pipe ZD14, resistance R59 are between the pin 6 and pin 7 of RS485 chip U2,7 He of pin of resistance R53 connection chip U2
RS485A-, the pin 6 and RS485A+ of resistance R157 connection chip U2, the one end resistance R154 connects the pin 6 of chip U2, another
End ground connection, one end connects the pin 7 of chip U2 after resistance R58 is in parallel with protection diode ZD13, and other end ground connection protects two poles
The one end pipe ZD14 connects the pin 6 of chip U2, other end ground connection.
In embodiments of the present invention, the bus of RS485 chip U2 is equipped with several resistance and diode, can be in bus
Interference effectively inhibited, can guarantee data transmission reliability.
Embodiment 6
The difference of the embodiment of the present invention and embodiment 1 is：The sensor be Temperature Humidity Sensor, smoke sensor device,
Entrance guard sensor, water enchroachment (invasion) sensor, battery temperature sensor or shock sensor etc..
Shown in Figure 7, when the sensor is Temperature Humidity Sensor, the sensor being connected with Temperature Humidity Sensor is connect
Entering circuit is that Temperature Humidity Sensor accesses circuit.The Temperature Humidity Sensor access circuit is by pull-up resistor R2, capacitor C2 and phoenix
It is linked on the pin 1 and pin 2 of phoenix terminal J4 after phoenix terminal J4 composition, the pull-up resistor R2 and capacitor C2 parallel connection, phoenix
The pin 3 of phoenix terminal J4 is grounded, and the pin 1 of phoenix terminal J4 connects+5V power supply, and pin 2 connects SDA_T2 signal wire.
The related data information of temperature and humidity is transmitted to drawing for single-chip microcontroller U26 by SDA_T2 signal wire by Temperature Humidity Sensor
Foot PIN16 is acquired processing to data of the Temperature and Humidity module signal by single-chip microcontroller U26.
Shown in Figure 8, when the sensor is smoke sensor device, the sensor access being connected with smoke sensor device is electric
Road is that smoke sensor device accesses circuit.The smoke sensor device accesses electric routing resistance R8, resistance R12, capacitor C3, two pole of pressure stabilizing
Pipe Z2, protection diode D2, phoenix terminal J10 composition, the resistance R12, capacitor C3, zener diode Z2 and protection diode
D2 latter end ground connection in parallel, the other end are connected by resistance R8 with the pin 1 of phoenix terminal J10.Wherein, zener diode Z2
The model BAV99LT1 of model BZX84-C4V7, protection diode D2.
Access case by the pin 2 of phoenix terminal J10 and pin 3 to smoke sensor device power supply+12V, smoke sensor device
Alarm signal ALARM_SMOKE is accessed by the pin 1 of phoenix terminal J10, is then sent to alarm signal ALARM_SMOKE
The pin PIN3 of single-chip microcontroller U26 is acquired processing by single-chip microcontroller U26.
Shown in Figure 9, when the sensor is entrance guard sensor, the sensor access being connected with entrance guard sensor is electric
Road is that entrance guard sensor accesses circuit.The entrance guard sensor accesses electric routing resistance R225, resistance R251, capacitor C44, pressure stabilizing
Diode Z8, protection diode D5, phoenix terminal J2A composition, the resistance R251, capacitor C44, zener diode Z8 and protection
Diode D5 latter end ground connection in parallel, the other end connect the pin 1 of phoenix terminal J2A.Wherein, the model of zener diode Z8
The model BAV99LT1 of BZX84-C4V7, protection diode D5.
Access case is by the pin 2 of phoenix terminal J2A to entrance guard sensor power supply+12V, entrance guard sensor alarm signal
ALARM_DOOR is accessed by the pin 1 of phoenix terminal J2A, and alarm signal ALARM_DOOR is then sent to single-chip microcontroller U26
Pin PIN2, processing is acquired by single-chip microcontroller U26.
Shown in Figure 10, when the sensor is water enchroachment (invasion) sensor, the sensor being connected with water enchroachment (invasion) sensor is accessed
Circuit is that water enchroachment (invasion) sensor accesses circuit.The water enchroachment (invasion) sensor accesses electric routing resistance R301, resistance R313, capacitor C48, electricity
Hold C71, protection diode D5, phoenix terminal J2A1 composition, the capacitor C48 and protection diode D5 it is in parallel after with resistance R301
Series connection, then it is in parallel with capacitor C71, then connect with resistance R313.Wherein, the model BAV99LT1 of protection diode D5.
The alarm signal ALARM_WATER of water enchroachment (invasion) sensor is accessed by the pin 1 of J2A1, then the alarm signal
ALARM_WATER is sent to the pin PIN5 of single-chip microcontroller U26, is acquired processing by single-chip microcontroller U26.
It is shown in Figure 11, when the sensor is battery temperature sensor, the biography that is connected with battery temperature sensor
It is that battery temperature sensor accesses circuit that sensor, which accesses circuit,.The battery temperature sensor accesses electric routing resistance R1, capacitor
It is linked on the pin 1 and pin 2 of phoenix terminal J2 after C1, phoenix terminal J2 composition, the resistance R1 and capacitor C1 parallel connection, phoenix
The pin 3 of phoenix terminal J2 is grounded, and the pin 1 of phoenix terminal J2 connects+5V power supply, and pin 2 connects SDA_T1 signal wire.
The data-signal SDA_T1 of battery temperature sensor is accessed by the pin 2 of phoenix terminal J2, then the data
Signal SDA_T1 is sent to the PIN15 of single-chip microcontroller U26, is acquired processing by single-chip microcontroller U26.
Shown in Figure 12, when the sensor is shock sensor, the sensor being connected with shock sensor is accessed
Circuit is that shock sensor accesses circuit.The shock sensor accesses electric routing resistance R17, resistance R25, capacitor C72, pressure stabilizing
Diode Z6, protection diode D11, phoenix terminal J1 composition, the resistance R25, capacitor C72, zener diode Z6 and protection
Diode D11 latter end ground connection in parallel, the other end are connected by resistance R17 with the pin 1 of phoenix terminal J1.Wherein, pressure stabilizing two
The model BAV99LT1 of the model BZX84-C4V7 of pole pipe Z6, protection diode D11
Access case is by the pin 2 of phoenix terminal J1 and pin 3 to shock sensor power supply+12V, the announcement of shock sensor
Alert signal ALARM_SHOCK is accessed by the pin 1 of phoenix terminal J1, and alarm signal ALARM_SHOCK is then sent to list
The PIN4 of piece machine U26 is acquired processing by single-chip microcontroller U26.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of Cabinet environmental monitoring installation, which is characterized in that including：
Several sensors；
One environmental monitoring module, the environmental monitoring module are used to carry out environmental monitoring to Cabinet；
One access case, the access case include：
Sensor corresponding with the number of sensors accesses circuit, and each sensor access circuit is separately connected a sensing
Device；
One cpu control circuit, the cpu control circuit are connected with all sensor access circuits, the cpu control circuit
For acquiring the signal of all the sensors；
One first line of a couplet interface circuit, the first line of a couplet interface circuit connect the cpu control circuit and environmental monitoring module, the first line of a couplet
Interface circuit is used to carry out the serial communication between cpu control circuit and environmental monitoring module.
2. Cabinet environmental monitoring installation as described in claim 1, it is characterised in that：The access case further includes several dry
Contact input circuit, all dry contact input circuits are connected with cpu control circuit, and the cpu control circuit is also used to
Dry contact signal is acquired by dry contact input circuit.
3. Cabinet environmental monitoring installation as described in claim 1, it is characterised in that：The access case further includes several dry
Contact output circuit, all dry contact output circuits are connected with cpu control circuit, and the cpu control circuit is also used to
The equipment accordingly connected is controlled by dry contact output circuit.
4. Cabinet environmental monitoring installation as described in claim 1, it is characterised in that：Further include a communication system equipment and
Remote network management system, the communication system equipment are connected with the environmental monitoring module and remote network management system, described long-range
Network management system is for remotely managing all the sensors signal.
5. Cabinet environmental monitoring installation as described in claim 1, it is characterised in that：The cpu control circuit includes one
Single-chip microcontroller, the single-chip microcontroller are connected with a reset circuit and crystal oscillating circuit.
6. Cabinet environmental monitoring installation as claimed in claim 5, it is characterised in that：The reset circuit is by resistance R63
It is formed with capacitor C137, the one end the resistance R63 connects supply voltage, and the other end connects a pin of the single-chip microcontroller, institute
The one end capacitor C137 ground connection is stated, the other end connects another pin of the single-chip microcontroller.
7. Cabinet environmental monitoring installation as claimed in claim 5, it is characterised in that：The crystal oscillating circuit by crystal X1,
Capacitor C214 and capacitor C215 composition, the one end the crystal X1 connect one of the single-chip microcontroller, and the other end connects the monolithic
Another pin of machine, and the one end the crystal X1 is grounded after capacitor C214, the other end is grounded after capacitor C215.
8. Cabinet environmental monitoring installation as described in claim 1, it is characterised in that：The first line of a couplet interface circuit includes one
The bus of RS485 chip, the RS485 chip is equipped with several resistance and diode.
9. Cabinet environmental monitoring installation as described in claim 1, it is characterised in that：The sensor is temperature and humidity sensing
Device, smoke sensor device, entrance guard sensor, water enchroachment (invasion) sensor, battery temperature sensor or shock sensor.
10. Cabinet environmental monitoring installation as claimed in claim 3, it is characterised in that：It further include an alarm, the report
Alert device connects a dry contact output circuit, and the cpu control circuit controls the alarm and issues alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810662066.5A CN108829000A (en) | 2018-06-25 | 2018-06-25 | A kind of Cabinet environmental monitoring installation |
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| CN201810662066.5A CN108829000A (en) | 2018-06-25 | 2018-06-25 | A kind of Cabinet environmental monitoring installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071015A (en) * | 2019-05-13 | 2019-07-30 | 沈阳睿捷电力科技有限公司 | A kind of anti-contactor shakes the quick alternating current-direct current switching device of bypass type of electricity |
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Application publication date: 20181116 |