CN208419100U - Web based control laboratory energy conserving system - Google Patents

Web based control laboratory energy conserving system Download PDF

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Publication number
CN208419100U
CN208419100U CN201820849268.6U CN201820849268U CN208419100U CN 208419100 U CN208419100 U CN 208419100U CN 201820849268 U CN201820849268 U CN 201820849268U CN 208419100 U CN208419100 U CN 208419100U
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China
Prior art keywords
air
laboratory
encoder
air intake
plc controller
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Expired - Fee Related
Application number
CN201820849268.6U
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Chinese (zh)
Inventor
魏运锋
辛开军
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Luzhou Metrology And Testing Institute
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Luzhou Metrology And Testing Institute
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Priority to CN201820849268.6U priority Critical patent/CN208419100U/en
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Publication of CN208419100U publication Critical patent/CN208419100U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of Web based control laboratory energy conserving system, the system includes air-conditioning equipment and high accuracy experiment equipment, air-conditioning equipment and high accuracy experiment equipment are arranged in large-scale experiment room, air intake blower fan and outdoor temperature sensor are installed on the side wall to the higher laboratory of environmental requirement, exhaust fan, encoder B is installed on the bar axis B of exhaust fan, encoder A is installed on the bar axis A of air intake blower fan, PLC controller is installed in laboratory, indoor temperature transmitter, smoke alarm, outdoor temperature sensor, smoke alarm indoor temperature transmitter, air-conditioning equipment, the output end of encoder B and encoder A are connect with PLC controller respectively, PLC controller is connect with MM440 frequency converter, MM440 frequency converter connect this system with air intake blower fan and exhaust fan respectively not only can be according to temperature Real-time change control disengaging blower running speed and air-conditioning equipment start and stop, and be able to achieve real-time Transmission messaging parameter data, effectively save electric energy and promote the service life of experimental facilities.

Description

Web based control laboratory energy conserving system
Technical field:
The utility model relates to a kind of Web based control laboratory energy conserving systems.
Background technique:
High accuracy experiment equipment in laboratory under the conditions of certain temperature could ideal operation, so experiment room temperature Control it is particularly important to the stability of experimental facilities.Due to there is no the exploitation of high-tech intelligent power saving equipment, summer laboratory Inside when the temperature is excessively high, winter experiment room temperature height when, air-conditioning causes the huge of the energy all in long-term work operating status Waste.And room temperature control is tested mainly by the micro-judgment of staff, is supported without data record, time and effort consuming is difficult Degree is big.Therefore the environmental monitoring management to laboratory, making intelligent control has great practical significance.
Utility model content:
In order to overcome existing laboratory that cannot reach high accuracy experiment equipment optimum working temperature value, correlation with prestissimo Parameter not can be carried out communication and the transmission of data, cannot achieve long-range unattended deficiency, and the utility model provides a kind of remote Process control laboratory energy conserving system, this system not only can according to the real-time change of temperature control disengaging blower running speed and The start and stop of air-conditioning equipment, and be able to achieve real-time Transmission messaging parameter data, effectively save electric energy and promote the longevity of experimental facilities Life.
The technical scheme adopted by the utility model to solve the technical problem is as follows: Web based control laboratory energy conserving system includes Air-conditioning equipment and high accuracy experiment equipment, air-conditioning equipment and high accuracy experiment equipment are arranged in laboratory, the laboratory A side wall on air intake blower fan and outdoor temperature sensor are installed, air draft wind is installed on another side wall in laboratory Machine is equipped with encoder B on the bar axis B of exhaust fan, and encoder A is equipped on the bar axis A of air intake blower fan, tests indoor location There are PLC controller, indoor temperature transmitter, smoke alarm, outdoor temperature sensor, smoke alarm room temperature sensing Device, air-conditioning equipment, encoder B and encoder A output end connect respectively with PLC controller according to circuit theory connection type, PLC controller is connect according to circuit connection principle with MM440 frequency converter, MM440 frequency converter according to circuit connection principle respectively with Air intake blower fan connects with exhaust fan
Air intake blower fan cover is installed on the air intake blower fan in above scheme, exhaust fan cover is installed on exhaust fan.PLC Controller transfers data to distal end host computer by signal transmitting antenna.
The utility model has the following beneficial effects: the application rationally utilizes the temperature difference inside and outside laboratory to control hot and cold air Exchange, in the case where not influencing experimental facilities operation, efficiently controls in laboratory with passive air draft technology is actively entered the wind The purpose of temperature.Energy saving ventilation system cascades air-conditioning and adjusts room temperature, and room temperature changes in a certain range, makes laboratory Interior equipment can work under a more reasonable temperature environment, be conducive to the stability for improving experimental facilities operation, reduce Working time and the frequent start-stop of room conditioning are tested, thus the purpose for reducing power consumption, saving electric energy.Solves current laboratory Huge energy consumption problem brought by by way of single air-conditioning temperature-reducing.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of the utility model.
1-PLC control cabinet in figure, 2-MM440 frequency converter, 3- air intake blower fan, 4- exhaust fan, 5- bar axis A, 6- bar axis B, 7- encoder A, 8- encoder B, 9- outdoor temperature sensor, 10- indoor temperature transmitter, 11- smoke alarm, 12- air inlet Fan shroud, 13- exhaust fan cover, 14- signal transmitting antenna, 15- air-conditioning equipment, 16- high accuracy experiment equipment, on the distal end 17- Position machine, the laboratory 18-.
Specific embodiment:
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the Web based control laboratory energy conserving system, including air-conditioning equipment 15 and high accuracy experiment equipment 16, Air-conditioning equipment 15 and high accuracy experiment equipment 16 are arranged in laboratory 18, are equipped on a side wall in the laboratory 18 Air intake blower fan 3 and outdoor temperature sensor 9 are equipped with exhaust fan 4 on another side wall in laboratory 18, exhaust fan 4 Encoder B 8 is installed on bar axis B6, encoder A 7, encoder B 8 and encoder are installed on the bar axis A 5 of air intake blower fan 3 A 7 is respectively intended to measured motor revolving speed, and PLC controller 1, indoor temperature transmitter 10, smoke alarm are equipped in laboratory 18 11, outdoor temperature sensor 9, smoke alarm 11, indoor temperature transmitter 10, air-conditioning equipment 15, encoder B 8 and encoder The output end of A 7 is connect with PLC controller 1 according to circuit theory connection type respectively, outdoor temperature sensor 9, smog alarm The signal of acquisition is transferred to PLC controller 1, smog report by device 11, indoor temperature transmitter 10, encoder B 8 and encoder A 7 Alert device 11 connects 1 Analog input mModule of PLC controller, when being detected with fire generation, first time alert. The range of the signal of outdoor temperature sensor 9 and indoor temperature transmitter 10 output is 4-20mA, connects the mould of PLC controller 1 Analog quantity input module is acquired, and then the output for controlling MM440 frequency converter 2 adjusts the revolving speed of air intake blower fan 3 and exhaust fan 4 With the start and stop of control air intake blower fan 3 and exhaust fan 4.PLC controller 1 connects according to circuit connection principle and MM440 frequency converter 2 It connects, MM440 frequency converter 2 connect the control of .MM440 frequency converter 2 according to circuit connection principle with air intake blower fan 3 and exhaust fan 4 respectively The revolving speed of air intake blower fan 3 and exhaust fan 4 processed is finally built into closed loop energy-saving control system, it is ensured that laboratory temperature keeps suitable Preferably, experimental facilities is in suitable environment working condition.
Air intake blower fan cover 12 is installed on air intake blower fan 3, exhaust fan cover 13 is installed on exhaust fan 4.PLC controller 1 transfers data to distal end host computer 17 by signal transmitting antenna 14.
System is different with 10 test temperature of indoor temperature transmitter according to outdoor temperature sensor 9, and PLC controller 1 controls MM440 frequency converter 2 is further controlled the start and stop of air intake blower fan 3 and exhaust fan 4 by MM440 frequency converter 2, makes room temperature The room temperature that sensor 10 is tested reaches experimental facilities 16 and runs optimum state value, is mounted on by the control of MM440 frequency converter 2 4 running speed of air intake blower fan 3 and exhaust fan in 18 wall of laboratory, makes air intake blower fan 3 and 4 revolving speed of exhaust fan with interior Temperature sensor 10 test temperature change and change, to ensure that air intake blower fan 3 and 4 revolving speed of exhaust fan are more accurate, into Wind blower bar axis A 5 installs encoder A 7, and encoder B 8, encoder A 7 and encoder are installed on exhaust fan bar axis B 6 B 8 exports pulse accumulation value and feeds back to high-speed counter module and analogue collection module in 1 system of PLC controller, passes through Closed loop Energy Saving Control is completed in the adjusting of fuzzy.
If 9 test temperature of outdoor temperature sensor is higher than 10 test temperature of indoor temperature transmitter, ventilation condition is not met, Then PLC controller 1 starts air-conditioning equipment 15 and works.If 10 test temperature of indoor temperature transmitter is lower than the temperature of setting When, then illustrate that present temperature environment is more satisfactory, does not need air intake blower fan 3, exhaust fan 4, air-conditioning equipment 15 and work, then entirely Portion closes.If 10 test temperature of indoor temperature transmitter detected be higher than setting temperature, PLC controller 1 control into Wind blower 3 and exhaust fan 4 work, allow 10 test temperature of indoor temperature transmitter in a certain range, the experiment of this temperature range Equipment 16 is in optimal operational condition.The tune that air-conditioning equipment 15 completes 10 test temperature of indoor temperature transmitter together is cascaded simultaneously Section, reducing 15 frequent start-stop of air-conditioning equipment influences service life.Air intake blower fan 3, exhaust fan 4 and equipment air-conditioning 15 are in setting model It encloses interior 10 test temperature of completion indoor temperature transmitter to adjust, there is good result.In system operation, 17 He of distal end host computer PLC controller 1 carries out communication and the transmission of data by module transmitting antenna GPRS network signal transmitting antenna 14, realizes long-range It is unattended.Energy saving ventilation system feature be when needing starting of air conditioner it just start need it close when it just It can close, variable frequency adjustment blower makes facility environment temperature reach preset range in the shortest time, to reach energy-efficient effect.
PLC controller 1 is using Siemens's S7-300 processor as core, and temperature sensor is controlled device, according to indoor and outdoor Temperature variations control the start and stop of blower operating and air-conditioning, to reach temperature in preset range with prestissimo;Execution machine Structure controls the adjusting blower running speed of MM440 frequency converter 2 by PLC controller 1 to realize, passes in and out blower according to PLC controller Actual demand adjusts disengaging air quantity and disengaging wind velocity, and is acquired using photoelectric encoder, smoke sensor device to signal.It will The signal of acquisition feeds back to PLC controller, is finally built into closed loop energy-saving control system, realizes fan frequency control control, instead Blower running speed and start and stop, air-conditioning equipment start and stop are mirrored, with temperature changing trend.In order to make laboratory temperature keep suitable Preferably, experimental facilities is changed in suitable environment working condition by real-time measurement indoor and outdoor temperature, controls the automatic of blower and air-conditioning Start and stop.Energy-saving control system parameter can be transferred to master station by GPRS network, realize long-range unattended control.

Claims (3)

1. a kind of Web based control laboratory energy conserving system, including air-conditioning equipment (15) and high accuracy experiment equipment (16), air-conditioning is set Standby (15) and high accuracy experiment equipment (16) setting are in laboratory (18), it is characterised in that: the one of the laboratory (18) Air intake blower fan (3) and outdoor temperature sensor (9), the row of being equipped on another side wall of laboratory (18) are installed on a side wall Wind blower (4) is equipped with encoder B (8) on the bar axis B (6) of exhaust fan (4), installs on the bar axis A (5) of air intake blower fan (3) Have encoder A (7), PLC controller (1), indoor temperature transmitter (10), smoke alarm are installed in laboratory (18) (11), outdoor temperature sensor (9), smoke alarm (11), indoor temperature transmitter (10), air-conditioning equipment (15), encoder B (8) it is connect respectively with PLC controller (1) according to circuit theory connection type with the output end of encoder A (7), PLC controller (1) connect according to circuit connection principle with MM440 frequency converter (2), MM440 frequency converter (2) according to circuit connection principle respectively with Air intake blower fan (3) and exhaust fan (4) connection.
2. Web based control laboratory energy conserving system according to claim 1, it is characterised in that: air intake blower fan is installed on (3) Have air intake blower fan cover (12), exhaust fan cover (13) are installed on exhaust fan (4).
3. Web based control laboratory energy conserving system according to claim 1, it is characterised in that: PLC controller (1) passes through letter Number transmitting antenna (14) transfers data to distal end host computer (17).
CN201820849268.6U 2018-06-01 2018-06-01 Web based control laboratory energy conserving system Expired - Fee Related CN208419100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820849268.6U CN208419100U (en) 2018-06-01 2018-06-01 Web based control laboratory energy conserving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820849268.6U CN208419100U (en) 2018-06-01 2018-06-01 Web based control laboratory energy conserving system

Publications (1)

Publication Number Publication Date
CN208419100U true CN208419100U (en) 2019-01-22

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CN201820849268.6U Expired - Fee Related CN208419100U (en) 2018-06-01 2018-06-01 Web based control laboratory energy conserving system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112947285A (en) * 2021-03-19 2021-06-11 厦门势拓伺服科技股份有限公司 Power transformation and distribution room joint control energy-saving system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112947285A (en) * 2021-03-19 2021-06-11 厦门势拓伺服科技股份有限公司 Power transformation and distribution room joint control energy-saving system
CN112947285B (en) * 2021-03-19 2022-05-31 厦门势拓伺服科技股份有限公司 Power transformation and distribution room joint control energy-saving system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190122

Termination date: 20190601

CF01 Termination of patent right due to non-payment of annual fee