CN205942381U - Humidity monitoring system based on CAN communication bus computer lab observes and controls - Google Patents
Humidity monitoring system based on CAN communication bus computer lab observes and controls Download PDFInfo
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- CN205942381U CN205942381U CN201620691419.0U CN201620691419U CN205942381U CN 205942381 U CN205942381 U CN 205942381U CN 201620691419 U CN201620691419 U CN 201620691419U CN 205942381 U CN205942381 U CN 205942381U
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Abstract
The utility model discloses a humidity monitoring system based on CAN communication bus computer lab observes and controls, its characterized in that: a plurality of humidity transducer that lay in the computer lab, each humidity transducer are connected to same CAN communication bus, and CAN communication bus connects the host computer, and the host computer carries out the analysis to all humidity transducer data collection, produce alarm signal to exception data on the host computer, and the host computer passes through the sub - alarm of CAN communication bus reconnection, and the dehumidifier is connected to sub - alarm, and sub - alarm utilizes alarm signal trigger control dehumidifier to open to stop, power supply circuit module, data storage module, real -time clock module, wireless transmission module are do not connected to the host computer subdividing. The utility model has the characteristics of the data communication real -time is strong, the flexibility good, the security is high and communication distance is far away etc.
Description
Technical field
This utility model be related to a kind of machine room monitoring system and in particular to a kind of based on CAN communication bus machine room observing and controlling
Moisture monitoring system.
Background technology
Machine room is an information monitoring processing center, is a very important place, so all devices in machine room
It is required for laying special stress on protecting, it is to avoid because in machine room, humidity is abnormal and then affects equipment cisco unity malfunction in machine room, or even cause more
Big loss is it is therefore desirable to carry out real-time monitoring with the equipment of specialty to machine room it is ensured that the humidity in machine room remains normal.At present
Monitoring system typically to complete data transfer using RS232, RS485 communication bus, but it has following defect：1st, communication device
System needs the mode meeting main website poll to enter row information exchange, the data communication real-time between each node of network and motility
Difference；2nd, when system is problematic, multinode occurs and sends data simultaneously, lead to bus short circuit, thus damaging showing of some nodes
As；3rd, communication distance is restricted.
Utility model content
The purpose of this utility model is for the problems referred to above, provides a kind of wet based on CAN communication bus machine room observing and controlling
Humidity sensor gathered data is transferred to main frame based on CAN communication bus and using CAN communication mechanism by degree monitoring system.
This utility model is achieved in that a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling, mainly
By humidity sensor, CAN communication bus, main frame, sub- alarm, dehumidifier, giant-screen central fire alarm control panel, power circuit block,
Data memory module, real-time clock module, wireless transport module；It is characterized in that：The some humidity sensors laid in machine room,
Each humidity sensor is connected to same CAN communication bus, and CAN communication bus connects main frame, and main frame passes to all of humidity
Sensor gathered data is analyzed, and produces alarm signal to abnormal data on main frame, and main frame is reconnected by CAN communication bus
Sub- alarm, sub- alarm connects dehumidifier, and sub- alarm utilizes alarm signal triggering to control dehumidifier start and stop；Described main frame is again
Connect power circuit block, data memory module, real-time clock module, wireless transport module respectively.
Main frame described in the utility model is additionally coupled to the giant-screen central fire alarm control panel of machine room, and described key-press module is arranged on greatly
In screen central fire alarm control panel；Key-press module is also connected on main frame, is easy to intuitively quickly judge in numerous alarm signals
Go out the alarm needing most leading process.
Main frame described in the utility model is also associated with temperature sensor, is easy to control the temperature of machine room, gives work further
Personnel's provides convenient.
Sub- alarm described in the utility model and humidity sensor, dehumidifier are pairing setting, i.e. each sub- alarm
Each humidity sensor corresponding and each dehumidifier.
CAN communication bus described in the utility model is two wire serial communication bus.
Main frame described in the utility model adopts the single-chip microcomputer of model MSP430F149.
Humidity sensor described in the utility model adopts model SHT11 sensor.
CAN communication is a kind of serial communication network supporting distributed controll or real-time control, compared with general communication mechanism
Relatively there is advantages below：
1st, the data communication between each node of network is real-time, does not have master-slave.Different nodes can be simultaneously received
Identical data avoids needing the mode meeting main website poll to enter row information exchange as RS485 communication mechanism.
2nd, increase the safety of equipment room communication, prevent as RS485, when system is problematic, multinode occurring simultaneously
Sending data, leading to bus short circuit, thus damaging the phenomenon of some nodes.Because CAN node has in the case that mistake is serious
It is automatically switched off output function, so that the operation of other nodes is unaffected in bus, thus ensureing is not in a network
Because respective nodes go wrong so that bus is in " deadlock " state.And the perfect communications protocol that CAN has can be by CAN
Controller chip and its interface chip are realized, thus substantially reducing system development difficulty, shorten the construction cycle, these are only
Electrically the RS485 of agreement is incomparable.
3rd, communication distance is farthest up to 10km（Speed is less than 5kps）Communication distance is less than 40m（Speed is up to 1mbps）, because
Using two wire serial communication, error detecing capability is strong, can work in strong noise interference environment, and because using short frame structure, transmitting
Speed is fast, and can hang node in theory does not have the upper limit.
The beneficial effects of the utility model are that this moisture monitoring system is carried out data transmission based on CAN communication bus, compares
The communication buses such as common RS232 communication bus, RS485, it has, and data communication is real-time, motility is good, safe
The features such as remote with communication distance.
Brief description
Fig. 1 is structural representation of the present utility model.
In in figure, 1, humidity sensor, 2, CAN communication bus, 3, main frame, 4, sub- alarm, 5, dehumidifier, 6, large-size screen monitors
Curtain central fire alarm control panel, 7 power circuit block, 8, data memory module, 9, real-time clock module, 10, wireless transport module, 11,
Key-press module, 12, temperature sensor.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that this utility model is solved become more apparent, below
In conjunction with the drawings and the specific embodiments, this utility model is further elaborated.It should be appreciated that tool described herein
Body embodiment only in order to explain this utility model, is not used to limit this utility model.
As shown in figure 1, the moisture monitoring system based on CAN communication bus machine room observing and controlling is it is characterised in that lay in machine room
Some humidity sensors（1）It is all connected to same CAN communication bus（2）, CAN communication bus（2）It is connected to main frame（3）,
Main frame（3）To all of humidity sensor（1）Gathered data is analyzed, to abnormal data in main frame（3）Upper generation alarm signal
Number, main frame（3）By CAN communication bus（2）Reconnect and this humidity sensor（1）The sub- alarm of pairing setting（4）, sub- report
Alert device（4）Reconnect dehumidifier（5）, sub- alarm（4）Triggered using alarm signal and control dehumidifier（5）Start and stop, sub- alarm
（4）Receiving CAN communication bus（2）After the alarm of passback produces signal, signal triggering will be produced using reporting to the police and open dehumidifying
Device（5）, and sub- alarm（4）Receiving CAN communication bus（2）After the alarm of passback eliminates signal, will be eliminated using reporting to the police
Dehumidifier is closed in signal triggering（5）.Sub- alarm（4）And humidity sensor（1）, dehumidifier（5）For pairing setting；Main frame（3）
It is additionally coupled to the giant-screen central fire alarm control panel of machine room（6）, it is easy in numerous alarm signals intuitively quickly judge to need most
The alarm to process in advance；CAN communication bus（2）For two wire serial communication bus, there is higher error detecing capability.
Described main frame（3）Connect power circuit block more respectively（7）, data memory module（8）, real-time clock module（9）、
Wireless transport module（10）, key-press module（11）；Described main frame（3）It is also associated with temperature sensor（12）, it is easy to control machine room
Temperature, further give staff's provides convenient；Described main frame（3）Single-chip microcomputer using model MSP430F149；Described
Power circuit block（7）To whole machine room（Main frame）Power supply；By real-time clock module（9）Display associated clock information.
Humidity sensor described in the utility model（1）And temperature sensor（12）Detection humiture information simultaneously passes to
MSP430F149 microcontroller（Main frame 3）, MSP430F149 microcontroller is by the live state information data memory module of humidity
（8）Store and pass through wireless transport module（10）Be wirelessly transferred and pass to Surveillance center's hardware；MSP430F149 in this system
The numbering of microcontroller energy automatic data collection Temperature Humidity Sensor, is installed order by regulation and is mapped with interface index, reach
The purpose of intelligent typing Temperature Humidity Sensor address number.
Claims (7)
1. a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling, mainly by humidity sensor, CAN communication bus,
Main frame, sub- alarm, dehumidifier, giant-screen central fire alarm control panel, power circuit block, data memory module, real-time clock mould
Block, wireless transport module；It is characterized in that：The some humidity sensors laid in machine room, each humidity sensor is connected to
Same CAN communication bus, CAN communication bus connects main frame, and main frame is analyzed to all of humidity sensor gathered data, right
Abnormal data produces alarm signal on main frame, and main frame reconnects sub- alarm by CAN communication bus, and sub- alarm connection removes
Wet device, sub- alarm utilizes alarm signal triggering to control dehumidifier start and stop；Described main frame connects power circuit block, number more respectively
According to memory module, real-time clock module, wireless transport module.
2. a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling according to claim 1, its feature exists
In：Described main frame is additionally coupled to the giant-screen central fire alarm control panel of machine room；Key-press module is arranged in giant-screen central fire alarm control panel；Press
Key module is also connected on main frame.
3. a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling according to claim 1, its feature exists
In：Described main frame is connected with temperature sensor.
4. a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling according to claim 1, its feature exists
In：Described sub- alarm and humidity sensor, dehumidifier are pairing setting.
5. a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling according to claim 1, its feature exists
In：Described CAN communication bus is two wire serial communication bus.
6. a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling according to claim 1, its feature exists
In：Described main frame adopts the single-chip microcomputer of model MSP430F149.
7. a kind of moisture monitoring system based on CAN communication bus machine room observing and controlling according to claim 1, its feature exists
In：Described humidity sensor adopts model SHT11 sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620691419.0U CN205942381U (en) | 2016-07-04 | 2016-07-04 | Humidity monitoring system based on CAN communication bus computer lab observes and controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620691419.0U CN205942381U (en) | 2016-07-04 | 2016-07-04 | Humidity monitoring system based on CAN communication bus computer lab observes and controls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205942381U true CN205942381U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620691419.0U Active CN205942381U (en) | 2016-07-04 | 2016-07-04 | Humidity monitoring system based on CAN communication bus computer lab observes and controls |
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| Country | Link |
|---|---|
| CN (1) | CN205942381U (en) |
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2016
- 2016-07-04 CN CN201620691419.0U patent/CN205942381U/en active Active
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