CN203100939U - Air heat integrating device based on wireless sensing technology - Google Patents

Abstract

The utility model discloses an air heat integrating device based on a wireless sensing technology. The air heat integrating device comprises a monitoring device and a plurality of sensor nodes, wherein the monitoring device comprises an initializing module and a monitoring module; the sensor nodes include common nodes and aggregation nodes, the common nodes are connected with the monitoring device by means of a signal through the aggregation nodes, and the aggregation nodes are communicated with the monitoring device through wired connection; and the common nodes are arranged on a setting machine, and the addresses of all the common nodes are same. The air heat integrating device has the beneficial effects that the field layout of a heat detecting instrument becomes very convenient; the heat data can be observed conveniently anytime anywhere through a network; and the air heat integrating device is very good in expansibility, and a new measuring object can be conveniently added in the existing system.

Description

Air heat integrator device based on wireless sensor technology

Technical field

The utility model relates to a kind of air heat integrator device, particularly a kind of air heat integrator device based on wireless sensor technology.

Background technology

In the dyeing, steam is widely used, and thermal energy consumption is very huge.And a large amount of heat energy is not only taken away in the direct discharging of flue gas, causes the thermal efficiency to descend, and also can form thermal pollution to physical environment.The high-temperature flue-gas height, heat energy is higher, is used easily, generally should be translated into other available energy to greatest extent.

Utilizing in the process of flue gas heat energy, different production technologies and personal consumption are to the quality requirements difference of heat energy.To rationally utilize heat energy, just must provide heat energy by matter, not only quantitatively will satisfy, and will be complementary qualitatively, thereby reach the purpose of " it uses heat to the greatest extent " according to user's needs.

Simultaneously, though China did a lot of work aspect energy-conservation in recent years, economy of energy benefit obviously improves.But make a general survey of China's energy utilization present situation, energy utilization rate has only about 32%, compares still very low with western developed country.Energy savings is the set policy of China.Want energy savings, improve energy recycling rate of waterused, just must grasp the flow direction, numerical value and the constituent ratio of the energy, make the energy recovery scheme of economical rationality.For this reason, in the dyeing of various places, progressively set up and perfect modern waste heat recovery testing mechanism and be very important.

And forming machine is the key equipment at dyeing finishing engineering end, and the heat setting machine principle is to utilize hot-air knitted fabric or flat fabric (as cloth) etc. to be dried the device of processing and making it to finalize the design with resin finishing.I am about 180 ℃ for the interior required hot blast temperature of general heat setting machine, in the heat setting machine course of work, the heat-energy losses of typing fabric own accounts for the 3-4% of whole baking oven thermal energy consumption, and the oven structure heat-energy losses accounts for 5-6%, and the heat energy that exhaust discharges accounts for the 90-92% of whole baking oven energy consumption.

For this reason, exploitation one cover is necessary based on the waste-heat recovery device of forming machine very much.Existing some system directly is presented at the data that record on the instrument, observe concrete thermal data, must go to the scene.Some system uses wired mode that data transmission is concentrated, and is very inconvenient to field wiring, increases difficulty of construction.

Summary of the invention

The utility model must arrive the concrete thermal data of field observation, use wired mode that data transmission is concentrated at conventional device, very inconvenient to field wiring, the problem that difficulty of construction is high has proposed a kind of on-the-spot heat energy real time data acquisition and has been wirelessly transmitted to the air heat integrator device based on wireless sensor technology that central computer shows, stores and handle, need not to connect up.

Air heat integrator device based on wireless sensor technology described in the utility model, it is characterized in that: comprise supervising device, plurality of sensors node, described supervising device comprises initialization module and monitoring module; Described sensor node comprises ordinary node and aggregation node, and described ordinary node is connected with described supervising device signal by aggregation node, and described aggregation node is communicated by letter with described supervising device by wired connection; Described ordinary node is arranged on the forming machine, and the address of each described ordinary node is fixed;

Described ordinary node comprises first microprocessor control module, AD analog-to-digital conversion module, first wireless module and sensor, and described microprocessor control module is connected with described wireless module with described AD analog-to-digital conversion module respectively; Described sensor is connected with described AD analog-to-digital conversion module signal; Described sensor is divided into temperature sensor and differential pressure pickup, described ordinary node is divided into temperature sensor node and differential pressure pickup node, described monitoring module goes out ordinary node by the Address Recognition that obtains all ordinary nodes, and with described ordinary node grouping, every group of described ordinary node comprises two temperature sensor node and a differential pressure pickup node, wherein two described temperature sensor node are separately positioned on the air intake vent and the air outlet place of forming machine, and described differential pressure pickup node is arranged between the air intake vent and air outlet of forming machine;

Described aggregation node comprises the second microprocessor control module, second wireless module and wireline interface module, described second wireless module is connected with the above-mentioned first wireless module signal, and the described second microprocessor control module is connected with the wireline interface module by signal with described second wireless module respectively.

Described wireline interface module adopts network interface RJ45, and carries out exchanges data by LAN (Local Area Network) and described monitoring module.

Described wireline interface module is RS232 or RS485 serial ports.

Each described ordinary node adopts ZigBee agreement and described aggregation node to communicate.

Each described ordinary node is communicated by letter with described aggregation node by less radio-frequency.

Described monitoring module can show the caloric information of one or more gases of measuring in real time, and data storage and the inquiry of historical data function are provided.

At one group of ordinary node wherein, at a time, the temperature sensor node by the air intake vent place obtains air and enters temperature T ₁, obtaining outlet temperature by the temperature sensor node at the air outlet place is T ₂, obtaining differential pressure value △ P by described differential pressure pickup node in the centre position, described monitoring module uses following formula to calculate integrating heat energy:

Q=Q _m×(h ₂-h ₁) （1）

$Q_m=\mathrm{\α}\×\mathrm{\ϵ}\×\frac{\mathrm{\π}}{4}\×D^2\×\sqrt{2\mathrm{\ΔP}\×\mathrm{\ρ}}---\left(2\right)$

Q wherein _mBe mass rate, α is a coefficient of flow, and ε is inflatable coefficient, and D is the process pipe internal diameter, and △ P is a differential pressure value, and P is an operating mode density; h ₁And h ₂Be respectively according to T ₁And T ₂Look into the enthalpy that the air enthalpy table draws.

During use, open air heat integrator device earlier, initialization module in the supervising device carries out parameter initialization to each sensor node and disposes whole wireless network, acceptance is from the address information of each sensor node of aggregation node, and storage, temperature sensor node is measured the temperature when air enters and goes out in the forming machine respectively, the pressure reduction of gas in the differential pressure pickup node measurement forming machine, the AD analog-to-digital conversion module is that digital signal is passed to the first microprocessor control module with the analog signal conversion that temperature sensor node and differential pressure pickup node record, the first microprocessor control module after treatment by first wireless module with the digital signal that obtains by being wirelessly transmitted to second wireless module of aggregation node, second wireless module is transferred to signal the second microprocessor control module after treatment again, signal is transferred to the wireline interface module, the wireline interface module is delivered to monitoring module by LAN (Local Area Network) with data then, after this moment, monitoring module calculated the data of collection according to formula (1) and formula (2), be presented on the supervising device, realize on-the-spot heat energy real time data acquisition.

The beneficial effects of the utility model are: make the scene of heat detecting instrument arrange very convenient; By network, can observe thermal data easily anywhere or anytime; Extendability is very good, can add new measuring object very easily in existing system.

Description of drawings

Fig. 1 is a structural drawing of the present utility model.

Embodiment

Further specify the utility model below in conjunction with accompanying drawing

With reference to accompanying drawing:

Air heat integrator device based on wireless sensor technology described in the utility model comprises supervising device 1, plurality of sensors node 2, and described supervising device 1 comprises initialization module and monitoring module; Described sensor node 2 comprises ordinary node 21 and aggregation node 22, and described ordinary node 21 is connected with described supervising device 1 signal by aggregation node 22, and described aggregation node 22 is communicated by letter with described supervising device 1 by wired connection; Described ordinary node 21 is arranged on the forming machine 3, and the address of each described ordinary node 21 is fixed;

Described ordinary node 21 comprises first microprocessor control module, AD analog-to-digital conversion module, first wireless module and sensor, and described microprocessor control module is connected with described wireless module with described AD analog-to-digital conversion module respectively; Described sensor is connected with described AD analog-to-digital conversion module signal; Described sensor is divided into temperature sensor and differential pressure pickup, described ordinary node is divided into temperature sensor node 211 and differential pressure pickup node 212, described monitoring module goes out ordinary node 21 by the Address Recognition that obtains all ordinary nodes 21, and with described ordinary node 21 groupings, every group of described ordinary node 21 comprises two temperature sensor node 211 and a differential pressure pickup node 212, wherein two described temperature sensor node 211 are separately positioned on the air intake vent 31 and the air outlet place 32 of forming machine 3, and described differential pressure pickup node 212 is arranged between the air intake vent 31 and air outlet 32 of forming machine 3;

Described aggregation node 22 comprises the second microprocessor control module, second wireless module and wireline interface module, described second wireless module is connected with the above-mentioned first wireless module signal, and the described second microprocessor control module is connected with the wireline interface module by signal with described second wireless module respectively.

Described wireline interface module adopts network interface RJ45, and carries out exchanges data by LAN (Local Area Network) and described monitoring module.

Described wireline interface module is RS232 or RS485 serial ports.

Each described ordinary node 21 adopts ZigBee agreement and described aggregation node 22 to communicate.

Each described ordinary node 21 is communicated by letter with described aggregation node 22 by less radio-frequency.

Described monitoring module can show the caloric information of one or more gases of measuring in real time, and data storage and the inquiry of historical data function are provided.

At one group of ordinary node 21 wherein, at a time, the temperature sensor node 211 by air intake vent 31 places obtains air and enters temperature T ₁, obtaining outlet temperature by the temperature sensor node 211 at air outlet 32 places is T ₂, obtaining differential pressure value △ P by described differential pressure pickup node 212 in the centre position, described monitoring module uses following formula to calculate integrating heat energy:

Q=Q _m×(h ₂-h ₁) （1）

$Q_m=\mathrm{\α}\×\mathrm{\ϵ}\×\frac{\mathrm{\π}}{4}\×D^2\×\sqrt{2\mathrm{\ΔP}\×\mathrm{\ρ}}---\left(2\right)$

Q wherein _mBe mass rate, α is a coefficient of flow, and ε is inflatable coefficient, and D is the process pipe internal diameter, and △ P is a differential pressure value, and P is an operating mode density; h ₁And h ₂Be respectively according to T ₁And T ₂Look into the enthalpy that the air enthalpy table draws.

During use, open air heat integrator device earlier, initialization module in the supervising device 1 carries out parameter initialization to each sensor node 2 and disposes whole wireless network, acceptance is from the address information of each sensor node 2 of aggregation node 22, and storage, temperature sensor node 211 is measured the temperature when air enters and goes out in the forming machine 3 respectively, differential pressure pickup node 212 is measured the pressure reduction of gas in the forming machine 3, the AD analog-to-digital conversion module is that digital signal is passed to the first microprocessor control module with the analog signal conversion that temperature sensor node 211 and differential pressure pickup node 212 record, the first microprocessor control module after treatment by first wireless module with the digital signal that obtains by being wirelessly transmitted to second wireless module of aggregation node 22, second wireless module is transferred to signal the second microprocessor control module after treatment again, signal is transferred to the wireline interface module, the wireline interface module is delivered to monitoring module by LAN (Local Area Network) with data then, after this moment, monitoring module calculated the data of collection according to formula (1) and formula (2), be presented on the supervising device 1, realize on-the-spot heat energy real time data acquisition.

The described content of this instructions embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.

Claims (6)

1. based on the air heat integrator device of wireless sensor technology, it is characterized in that: comprise supervising device, plurality of sensors node, described supervising device comprises initialization module and monitoring module; Described sensor node comprises ordinary node and aggregation node, and described ordinary node is connected with described supervising device signal by aggregation node, and described aggregation node is communicated by letter with described supervising device by wired connection; Described ordinary node is arranged on the forming machine, and the address of each described ordinary node is fixed;

Described ordinary node comprises first microprocessor control module, AD analog-to-digital conversion module, first wireless module and sensor, and described microprocessor control module is connected with described wireless module with described AD analog-to-digital conversion module respectively; Described sensor is connected with described AD analog-to-digital conversion module signal; Described sensor is divided into temperature sensor and differential pressure pickup, described ordinary node is divided into temperature sensor node and differential pressure pickup node, described monitoring module goes out ordinary node by the Address Recognition that obtains all ordinary nodes, and with described ordinary node grouping, every group of described ordinary node comprises two temperature sensor node and a differential pressure pickup node, wherein two described temperature sensor node are separately positioned on the air intake vent and the air outlet place of forming machine, and described differential pressure pickup node is arranged between the air intake vent and air outlet of forming machine;

Described aggregation node comprises the second microprocessor control module, second wireless module and wireline interface module, described second wireless module is connected with the above-mentioned first wireless module signal, and the described second microprocessor control module is connected with the wireline interface module by signal with described second wireless module respectively.

2. the air heat integrator device based on wireless sensor technology as claimed in claim 1 is characterized in that: described wireline interface module adopts network interface RJ45, and carries out exchanges data by LAN (Local Area Network) and described monitoring module.

3. the air heat integrator device based on wireless sensor technology as claimed in claim 2 is characterized in that: described wireline interface module is RS232 or RS485 serial ports.

4. the air heat integrator device based on wireless sensor technology as claimed in claim 1 is characterized in that: each described ordinary node adopts ZigBee agreement and described aggregation node to communicate.

5. the air heat integrator device based on wireless sensor technology as claimed in claim 4, it is characterized in that: each described ordinary node is communicated by letter with described aggregation node by less radio-frequency.

6. the air heat integrator device based on wireless sensor technology as claimed in claim 1, it is characterized in that: described monitoring module can show the caloric information of one or more gases of measuring in real time, and data storage and the inquiry of historical data function are provided.

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