A kind of factory's toxic and harmful monitoring device
Technical field
The utility model is related to factory's gas monitoring techniques field, more particularly to a kind of factory's toxic and harmful monitoring dress
Put.
Background technology
Currently, with the development of national economy, industrial gasses are widely used in the every field of China, to promote national warp
Ji healthy and sustainable development has played positive role.But, the frequent generation of industrial gasses explosion accident so that current China's industry
Some problems in gas safety management are constantly exposed, and people have paid the cost and cost of heaviness for this.In face of accident
Disaster, while recalling past pains, urgent need takes correct counter-measure, and strength is increased to industrial gas using modern scientific and technical result
The monitoring and early warning of body explosion accident, allow industrial gasses are safer, effectively service society and economic development.
Can be using to some liquid gas or compressed gas in process of factory production, these gases can be divided into poison gas
Body, not so gas and inflammable gas.People, animal etc. can be caused to be poisoned after toxic gas suction even dead, common are poison
Gas mainly has ammonia, chlorine, hydrogen cyanide etc.;Non-flammable compressive gas refer to nitrogen, argon gas, carbon dioxide to people, animal have it is stronger
Asphyxiating;Inflammable gas such as methane, hydrogen, acetylene are susceptible to burn and explode.These gases are once reveal and without timely
Correctly it is disposed, very serious society, economy, ecology influence can be caused.With development in science and technology, electronic gas detection means energy
It is enough that effective detection is carried out to poisonous inflammable gas, so as to carry out early warning to potential safety hazard, however, some factories will to electrical isolation
Ask higher, conventional gas-detecting device cannot be set, it is impossible to realize accurate gas detection in real time.
Utility model content
To solve technical problem present in background technology, the utility model proposes a kind of monitoring of factory's toxic and harmful
Device.
The utility model proposes a kind of factory's toxic and harmful monitoring device, including:Multiple gas sampling chambers, pumping
Unit, alarm unit, control unit;
Each gas sampling chamber is provided with air inlet and gas outlet, and air inlet pipe is provided with each air inlet, and each gas is adopted
Sample is provided with gas detection cell in chamber;
Pumping cells are connected with the gas outlet in each gas sampling chamber, and pumping cells are used to treat that gas introduces gas sampling
Chamber;
Control unit is connected with gas detection cell and alarm unit, and control unit is used for the inspection according to gas detection cell
Survey signal control alarm unit alarm.
Preferably, air inlet pipe uses flexible telescopic tube.
Preferably, gas detection cell includes sensor and signal acquisition module, is used in multiple gas sampling chambers
Sensor is different.
Preferably, sensor uses electrochemical sensor or semiconductor MEMS sensor.
Preferably, the pumping chamber with column structure is provided with pumping cells, described pumping chamber one end is provided with pumping outlet
And pumping chamber side wall is provided with multiple suction inlets, multiple suction inlets are around the pumping chamber circle distribution, each gas
The gas outlet of sampling cavity connects with a suction inlet.
Preferably, the distance that multiple gas sampling cavity configurations are identical and the air inlet is to gas outlet is equal.
Preferably, each air inlet pipe is located at the gas sampling chamber for communicating therewith away from pumping cells side.
Preferably, control unit includes processing module, communication module, data memory module.
Preferably, alarm unit includes audible alarm module and optics alarm module.
In the utility model, the factory's toxic and harmful monitoring device for being proposed, the air inlet in each gas sampling chamber
Place is provided with air inlet pipe, and gas detection cell is provided with each gas sampling chamber, and pumping cells are used to treat that gas introduces gas and adopts
Sample chamber, control unit is used to control alarm unit alarm according to the detection signal of gas detection cell.By above-mentioned optimization design
Factory's toxic and harmful monitoring device, on the one hand, by setting multiple gas sampling chambers, while to various poisonous and harmful gas
Body is monitored, and improves monitoring efficiency, on the other hand, extracts the gas-monitoring leakage shape at monitoring source of the gas in real time by tracheae
Condition, realizes electrical isolation, another further aspect, by modularized design, it is ensured that monitoring process is separate, system over all Integration degree
Height, monitoring stabilization is accurate.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of factory's toxic and harmful monitoring device structural representation.
Fig. 2 be the utility model proposes a kind of factory's toxic and harmful monitoring device connection diagram.
Specific embodiment
As illustrated in fig. 1 and 2, Fig. 1 be the utility model proposes a kind of factory's toxic and harmful monitoring device structure
Schematic diagram, Fig. 2 be the utility model proposes a kind of factory's toxic and harmful monitoring device connection diagram.
With reference to Fig. 1 and 2, the utility model proposes a kind of factory's toxic and harmful monitoring device, including:Multiple gases
Sampling cavity 3, pumping cells 1, alarm unit, control unit;
Each gas sampling chamber 3 is provided with air inlet and gas outlet, and air inlet pipe 2 is provided with each air inlet, each gas
Gas detection cell is provided with sampling cavity 3;
Pumping cells 1 are connected with the gas outlet in each gas sampling chamber 3, and pumping cells 1 are used to treat that gas introduces gas
Sampling cavity 3;
Control unit is connected with gas detection cell and alarm unit, and control unit is used for the inspection according to gas detection cell
Survey signal control alarm unit alarm.
In the specific work process of factory's toxic and harmful monitoring device of the present embodiment, by pumping cells via each
Individual air inlet pipe is introduced a gas into corresponding gas sampling chamber 3, and the gas detection cell in gas sampling chamber 3 is to gas to be detected
It is oriented detection and detection signal is sent to control unit, control unit is processed detection signal, when the detection
When the corresponding gas detected value of signal exceedes predetermined threshold value, control unit control alarm unit sends alarm.
In the present embodiment, the factory's toxic and harmful monitoring device for being proposed, the air inlet in each gas sampling chamber 3
Place is provided with air inlet pipe, and gas detection cell is provided with each gas sampling chamber 3, and pumping cells are used to treat that gas introduces gas and adopts
Sample chamber 3, control unit is used to control alarm unit alarm according to the detection signal of gas detection cell.By above-mentioned optimization design
Factory's toxic and harmful monitoring device, on the one hand, by setting multiple gas sampling chambers 3, while to various poisonous and harmfuls
Gas is monitored, and improves monitoring efficiency, on the other hand, extracts the gas-monitoring leakage at monitoring source of the gas in real time by tracheae
Situation, realizes electrical isolation, another further aspect, by modularized design, it is ensured that monitoring process is separate, system over all Integration
Degree is high, and monitoring stabilization is accurate.
In a specific embodiment, air inlet pipe 2 uses flexible telescopic tube, for example can be using polyfluortetraethylene pipe as entering
Tracheae, duct length can according to demand be set between 0.01 meter~10 meters;So as to realize the monitoring section to requiring electrical isolation
Gas-monitoring in domain, in addition in specific arrangement, the detection that can realize to different zones by multiple air inlet pipe simplifies monitoring
The arrangement of device.
In other specific embodiments, in the specific design of gas detection cell, gas detection cell includes sensing
Device and signal acquisition module;In specific arrangement, the composition that can be detected according to needed for gas to be detected, in gas sampling chamber
3 interior orientations set and different sensors are used in sensor corresponding with composition to be detected, multiple gas sampling chambers 3;Further
Ground, sensor uses electrochemical sensor or semiconductor MEMS sensor, so as to ensure the detection sensitivity to gas with various.
In other specific embodiments, in the specific design of detection cavity configuration, it is provided with column in pumping cells 1
The pumping chamber of structure, described pumping chamber one end is provided with pumping outlet and pumping chamber side wall is provided with multiple suction inlets, multiple
Suction inlet is connected around the pumping chamber circle distribution, the gas outlet in each gas sampling chamber 3 with a suction inlet,
Each air inlet pipe 2 is located at the gas sampling chamber 3 for communicating therewith away from the side of pumping cells 1, further, multiple gas sampling chambers 3
The distance that structure is identical and the air inlet is to gas outlet is equal;Ensure the air inlet in each gas sampling chamber 3 to pumping chamber
Pumping is exported apart from equal, so as to ensure the isochronism of the gas collecting in each gas sampling chamber 3, it is ensured that each gas sampling chamber
Detection in 3 is synchronous reliable.
In other specific embodiments, control unit includes processing module, communication module, data memory module.
In other specific embodiments, alarm unit includes audible alarm module and optics alarm module;In actual behaviour
In work, control unit can be connected by wired or wireless communication mode with alarm unit, so that in time to factory safety custodian
Member alarm, wherein wire communication can use CAN/RS485/ netting twines, radio communication can using Zigbee/433M/2.4G without
Line transport module or 3G/4G mobile networks.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any one skilled in the art in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent or change, should all cover in protection model of the present utility model
Within enclosing.