CN109442705A - A kind of wisdom miniature energy-saving central air conditioning equipment - Google Patents

A kind of wisdom miniature energy-saving central air conditioning equipment Download PDF

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Publication number
CN109442705A
CN109442705A CN201811237991.XA CN201811237991A CN109442705A CN 109442705 A CN109442705 A CN 109442705A CN 201811237991 A CN201811237991 A CN 201811237991A CN 109442705 A CN109442705 A CN 109442705A
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CN
China
Prior art keywords
energy
control cabinet
frequency converter
connect
central air
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Pending
Application number
CN201811237991.XA
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Chinese (zh)
Inventor
罗勇
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Chengdu Chuangwei Electronic Technology Co Ltd
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Chengdu Chuangwei Electronic Technology Co Ltd
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Priority to CN201811237991.XA priority Critical patent/CN109442705A/en
Publication of CN109442705A publication Critical patent/CN109442705A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices

Abstract

The invention discloses a kind of wisdom miniature energy-saving central air conditioning equipments, it is related to field of central air-conditioning, including energy-saving control cabinet, the parameter acquisition equipment and frequency converter being connect with energy-saving control cabinet, and the water pump and blower being connect with frequency converter, heat-exchanging component is provided in the energy-saving control cabinet, compressor, host control cabinet, the parameter acquisition equipment includes the temperature detector detected for environment temperature and water pipe water temperature, for the pressure detector of siphon pressure detection and the flowmeter of water pipe return water total flow detection, device controller is also equipped in the control cabinet, the device controller is connect by frequency converter start-up and shut-down control module with frequency converter, the device controller connects server by wireless network communication.Solving the problem of that existing central air conditioning equipment does not count each component energy consumption condition causes to be difficult to targetedly to improve equipment energy consumption, and establishes equipment fault rapid responding mechanis, improves maintenance efficiency, reduces maintenance cost.

Description

A kind of wisdom miniature energy-saving central air conditioning equipment
Technical field
The present invention relates to energy-saving air central field more particularly to a kind of wisdom miniature energy-saving central air conditioning equipments.
Background technique
Energy demand is growing, today's society of energy growing tension, power-saving technology is increasingly by various circles of society Attention.Universal with modern high-rise building and intelligent building, central air-conditioning is widely used, but its high energy consumption Also become a big problem, the research of power-saving technology has been subjected to widely paying close attention to.According to national standards, central air conditioning equipment Maximum load capability is to design according to maximum temperature, the maximum working environment of load, and actually system is seldom at this It works under a little maximum conditions.The time of central air conditioning equipment 97% fluctuates operation below 70% load, so actual load is always not It can reach at full capacity, especially in the case where host machine part load, such case causes a large amount of energy waste.In research Air-conditioning equipment Energy Saving Control strategy, the good control system of design performance are entreated, to both be able to satisfy people's production, life and work Requirement, and can achieve the purpose that it is energy saving, have very positive meaning.
There is no each components to central air conditioning equipment to carry out energy consumption statistic in existing central air-conditioning, cannot be detailed Its energy consumption condition is solved, thus Energy Saving Control is difficult to carry out for improvement, and central air conditioner system cannot accomplish wisdom management, After central air conditioning equipment failure, owner is needed to react to property, property contacts after sale, and the personnel of arranging work visit again for service provider Maintenance and debugging, on the one hand, service provider cannot know at the first time and take immediate steps, and cause the period of maintenance long, cost Height, or even cause secondary damage and regeneration is dangerous, on the other hand, due to central air conditioning equipment have it is some can be with self-recovery Of short duration failure, if electrothermal relay disconnects after compressor high temperature, relay closure is resumed work after temperature reduction, and service provider cannot The frequency and number of these of short duration failures are learnt again, will not cause the factor and solution of these of short duration failures, air-conditioning is caused to set Cause bigger failure after standby long-play, causes huge economic loss or harm to user.
Summary of the invention
It is an object of the invention to: a kind of wisdom miniature energy-saving central air conditioning equipment is provided, existing central air-conditioning is solved and sets It is standby that each component energy consumption condition is not counted, cause to be difficult to the problem of targetedly improving equipment energy consumption, and establish Equipment fault rapid responding mechanis improves maintenance efficiency, reduces maintenance cost.
The technical solution adopted by the invention is as follows:
A kind of wisdom miniature energy-saving central air conditioning equipment, including energy-saving control cabinet, the parameter acquisition connecting with energy-saving control cabinet are set Standby and frequency converter, and the water pump and blower that connect with frequency converter are provided with heat-exchanging component, compression in the energy-saving control cabinet Machine, host control cabinet, the parameter acquisition equipment include detecting for the Temperature and Humidity device and water pipe water temperature of environment measuring Temperature detector, for siphon pressure detection pressure detector and water pipe return water total flow detection flowmeter, be used for people The infrared detector of member's distribution situation detection and the photosensitive detector detected for ambient brightness, the control cabinet are interior also Being equipped with has the function of wireless network communication, acquires and assign the device controller of various control instructions for device parameter, described Device controller is connect by frequency converter start-up and shut-down control module with frequency converter, and the device controller is connected by wireless network communication Connect server.
Further, the data acquisition module connecting with host control cabinet and compressor is additionally provided in the energy-saving control cabinet Block, the central processing module being connect with data acquisition module, the wireless network communication module being connect with central processing module.
Further, the data acquisition module includes the electric current being mounted in compressor and host control cabinet electric power loop Detection module, and the sound transducer inside energy-saving control cabinet is set.
Further, the electric power for energy-saving control cabinet energy consumption monitoring is provided between the device controller and frequency converter Monitor, the electric supervising device are connect with the one end current transformer TA1, TA2 and TA3 respectively, the current transformer TA1, TA2 the and TA3 other end is connect with frequency converter.
Further, the start-up and shut-down control module includes 1 SR switch, 2 intermediate relay KA1 and KA2 and 2 crawl Switch SB1 and SB2, a moved end of SR switch and long-range/stopping/signal end connection on the spot of device controller, SR switch The connection of the terminals of one non-moving end and device controller, relay KA1 is in parallel with point driving switch SB1 and a common end and SR Another non-moving end connection of switch, another common end are connect with one end of point driving switch SB2, one end point of relay KA2 Not Lian Jie the other end of point driving switch SB2 switch the corresponding wiring of wiring end signal that connects of non-moving end with SR on device controller End, the other end of relay KA2 are connect with frequency converter start stop signal end.
Further, the water pipe includes chilled water pipe and cooling water pipe, and temperature detector is respectively arranged at chilled water pipe In the external environment where the exit of cooling water pipe, the entrance of chilled water pipe and cooling water pipe, central air-conditioning, the pressure Force detector is set between chilled water pipe and cooling water pipe water outlet and water inlet.
Further, described frequency converter one end passes sequentially through contactor, breaker and three phase mains and connects, and the other end is successively It is connected by contactor, electrothermal relay and water pump and blower, the frequency converter is arranged in parallel the filter for harmonic carcellation interference Wave protector, the filtering protector are connect by breaker with three phase mains.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. in the present invention, by frequency converter be arranged in parallel harmonic protection device can harmonic carcellation interfere, can reach energy-efficient Purpose.
2. in the present invention, by being provided between device controller and frequency converter for energy-saving control cabinet energy consumption monitoring Electric supervising device can carry out energy consumption monitoring and statistics to energy-saving control cabinet and frequency converter in real time, convenient for understanding each component Energy consumption condition carries out, convenient for targetedly being improved system energy consumption.
3. in the present invention, by device controller realize it is long-range/control on the spot, realize the linkage between central air conditioning equipment Control, is passed through by the real-time transform situation (such as environment temperature, water temperature, siphon pressure and return water total amount) to end load The feedwater flow for adjusting transformer and then adjusting water pump reaches saving so that central air-conditioning be made to run under optimum Working The purpose of the energy.
4. in the present invention, by carrying out intellectual monitoring to compressor and host control cabinet, and being real-time transmitted to service provider's clothes It is engaged in device, central air conditioning equipment is monitored convenient for service provider and malfunction elimination, establish equipment fault rapid responding mechanis, mention High maintenance efficiency reduces maintenance cost.
Detailed description of the invention
Fig. 1 is wisdom control structure block diagram of the present invention;
Fig. 2 is electric power detector attachment structure schematic diagram of the present invention;
Fig. 3 is start-up and shut-down control module connection structure schematic diagram of the present invention;
Fig. 4 is frequency converter wiring diagram of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not For limiting the present invention.
As shown in Figure 1, a kind of wisdom miniature energy-saving central air conditioning equipment, including energy-saving control cabinet, connect with energy-saving control cabinet The parameter acquisition equipment and frequency converter connect, and the water pump and blower that connect with frequency converter are provided in the energy-saving control cabinet Heat-exchanging component, compressor, host control cabinet, the parameter acquisition equipment include the Temperature and Humidity device and water for environment measuring The stream of the temperature detector of pipe water temperature detection, the pressure detector for siphon pressure detection and the detection of water pipe return water total flow Meter, the infrared detector for the detection of personnel's distribution situation and the photosensitive detector for ambient brightness detection, institute It states also to be equipped in control cabinet and has the function of wireless network communication, the equipment for being acquired for device parameter and assigning various control instructions Controller, the device controller are connect by frequency converter start-up and shut-down control module with frequency converter, and the device controller passes through nothing Gauze network communication connection server.
In the present solution, being used for by the way that the device controller with infinite network communication function is arranged in energy-saving control cabinet The control command that the server of service provider is sent is received, while receiving the central hollow of central air conditioning equipment parameter acquisition equipment acquisition The water temperature data and the information such as return water total flow and external environment temperature and humidity of chilled water pipe and cooling water pipe when adjusting work, And by comparing processing to the parameter information of acquisition, so that central air-conditioning working space is in suitable environment body-sensing.Wherein, Identification is monitored to personnel's infrared signature signal in central air-conditioning work space by infrared detector, and passes through equipment control Device control frequency converter processed carries out the adjustment of real-time working parameter and is automatically stopped work for no man's land.And pass through photosensitive detector Ambient brightness is detected, when being in night, intelligent night energy-saving mode is opened, frequency converter is controlled by device controller Parameter adjustment is carried out, to maintain the minimum power of best body-sensing to run.
Further, the data acquisition module connecting with host control cabinet and compressor is additionally provided in the energy-saving control cabinet Block, the central processing module being connect with data acquisition module, the wireless network communication module being connect with central processing module.
Further, the data acquisition module includes the electric current being mounted in compressor and host control cabinet electric power loop Detection module, and the sound transducer inside energy-saving control cabinet is set.
Wherein, current detecting is carried out to compressor and host control cabinet by current detection module, passes through sound transducer Energy-saving control cabinet noise condition is detected, and will test result and data processing is carried out by central processing module, will be handled As a result wireless network communication module is sent to server, is monitored convenient for service provider and malfunction elimination, and it is fast to establish equipment fault Fast response mechanism improves maintenance efficiency, reduces maintenance cost, and user can obtain central air-conditioning by client connection server Device parameter situation can understand energy consumption parameter in time, and use compressor permutation technology, and distribution most has refrigeration, heats power, Zone temperature is quickly controlled, environmental protection and energy saving
Wherein, current detection module can use ammeter or other modules with current acquisition function, central processing module Single-chip microcontroller can be used, wireless network communication module uses NB-Lot module or other moulds with infinite network transfer function Block.
As shown in Fig. 2, it is further, it is provided between the device controller and frequency converter for energy-saving control cabinet energy consumption The electric supervising device of monitoring, the electric supervising device are connect with current transformer TA1, TA2 and TA3 respectively, and mutual by electric current Sense TA1, TA2 and TA3 are connect with frequency converter respectively.
By being provided with the electric supervising device for energy-saving control cabinet energy consumption monitoring between device controller and frequency converter, Energy consumption monitoring and statistics can be carried out to energy-saving control cabinet and frequency converter in real time, convenient for understand each component energy consumption condition into Row, and then system energy consumption is targetedly improved.
As shown in figure 3, further, the start-up and shut-down control module include 1 SR switch, 2 intermediate relay KA1 and One moved end of KA2 and 2 point driving switch SB1 and SB2, SR switch and device controller it is long-range/stop/on the spot signal end connect It connects, a non-moving end of SR switch and the terminals of device controller connect, and relay KA1 is in parallel with point driving switch SB1 and one A common end is connect with another non-moving end that SR is switched, another common end is connect with one end of point driving switch SB2, relay The other end that one end of KA2 is separately connected point driving switch SB2 switchs the terminals letter that non-moving end connects with SR on device controller Number corresponding terminals, the other end of relay KA2 are connect with frequency converter start stop signal end.
Further, the water pipe includes chilled water pipe and cooling water pipe, and temperature detector is respectively arranged at chilled water pipe In the external environment where the exit of cooling water pipe, the entrance of chilled water pipe and cooling water pipe, central air-conditioning, the pressure Force detector is set between chilled water pipe and cooling water pipe water outlet and water inlet.
Temperature detector by being set to central air-conditioning external environment detects external environment, cold by being set to Temperature detector on solidifying pipe and cryovial checks water temperature, and by hydraulic pressure to water pipe and return water total flow into Row detection, and will test data and be transferred to device controller, frequency converter is controlled by controller, the confluent of water pump is adjusted Section, so that central air-conditioning be made to run under optimum Working, achievees the purpose that energy saving.
Further, described frequency converter one end passes sequentially through contactor, breaker and three phase mains and connects, and the other end is successively It is connected by contactor, electrothermal relay and water pump and blower, the frequency converter is arranged in parallel the filter for harmonic carcellation interference Wave protector, the filtering protector are connect by breaker with three phase mains.
As shown in figure 4, described frequency converter one end passes through contactor KM2 respectively, short-circuiting device QF3 is connect with three phase mains, separately One end passes through the connection of the central air conditioner control equipments such as contactor KM3, electrothermal relay and water pump and motor, the harmonic protection device Connect by short-circuiting device QF2 and circuit breaker Q F1 with three phase mains, interfered by power supply harmonic carcellation, system can be played compared with Good energy-saving effect.
Wherein, device controller can use PLC controller, and the PLC controller model selects SMART200, the change Frequency type number selects ACS510.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (7)

1. a kind of wisdom miniature energy-saving central air conditioning equipment, including energy-saving control cabinet, the parameter acquisition being connect with energy-saving control cabinet Equipment and frequency converter, and the water pump and blower that connect with frequency converter are provided with heat-exchanging component, compression in the energy-saving control cabinet Machine, host control cabinet, it is characterised in that: the parameter acquisition equipment includes the Temperature and Humidity device and water pipe for environment measuring The flow of the temperature detector of water temperature detection, the pressure detector for siphon pressure detection and the detection of water pipe return water total flow Meter, the infrared detector for the detection of personnel's distribution situation and the photosensitive detector for ambient brightness detection, it is described Also being equipped in control cabinet has the function of wireless network communication, acquires and assign the equipment control of various control instructions for device parameter Device processed, the device controller are connect by frequency converter start-up and shut-down control module with frequency converter, and the device controller passes through wireless Network communication connects server.
2. a kind of wisdom miniature energy-saving central air conditioning equipment according to claim 1, it is characterised in that: the energy-saving control cabinet It is inside additionally provided with the data acquisition module connecting with host control cabinet and compressor, the central processing connecting with data acquisition module Module, the wireless network communication module being connect with central processing module.
3. a kind of wisdom miniature energy-saving central air conditioning equipment according to claim 2, it is characterised in that: the data acquisition module Block includes the current detection module being mounted in compressor and host control cabinet electric power loop, and is arranged in energy-saving control cabinet The sound transducer in portion.
4. a kind of wisdom miniature energy-saving central air conditioning equipment according to claim 1, it is characterised in that: the device controller Be provided with the electric supervising device for energy-saving control cabinet energy consumption monitoring between frequency converter, the electric supervising device respectively with electric current Mutual inductor TA1, TA2 are connected with the one end TA3, and current transformer TA1, TA2 and TA3 other end is connect with frequency converter.
5. a kind of wisdom miniature energy-saving central air conditioning equipment according to claim 1, it is characterised in that: the start-up and shut-down control mould Block includes 1 SR switch, 2 intermediate relay KA1 and KA2 and 2 point driving switch SB1 and SB2, a moved end of SR switch with Long-range/stopping of device controller/signal end connection on the spot, a non-moving end of SR switch and the terminals of device controller connect It connects, relay KA1 is in parallel with point driving switch SB1 and a common end is connect with another non-moving end that SR is switched, another is public End is connect with one end of point driving switch SB2 altogether, and one end of relay KA2 is separately connected the other end and equipment of point driving switch SB2 SR switchs the corresponding terminals of wiring end signal of non-moving end connection on controller, and the other end and the frequency converter of relay KA2 opens Stop signal end connection.
6. a kind of wisdom miniature energy-saving central air conditioning equipment according to claim 1, it is characterised in that: the water pipe includes cold Freeze water pipe and cooling water pipe, temperature detector is respectively arranged at the exit of chilled water pipe and cooling water pipe, chilled water pipe and cold But in the external environment where the entrance of water pipe, central air-conditioning, the pressure detector is set to chilled water pipe and cooling water Between pipe water outlet and water inlet.
7. a kind of wisdom miniature energy-saving central air conditioning equipment according to claim 1, it is characterised in that: described frequency converter one end It passes sequentially through contactor, breaker and three phase mains to connect, the other end passes sequentially through contactor, electrothermal relay and water pump and blower Connection, the frequency converter are arranged in parallel the filtering protector for harmonic carcellation interference, and the filtering protector passes through open circuit Device is connect with three phase mains.
CN201811237991.XA 2018-10-23 2018-10-23 A kind of wisdom miniature energy-saving central air conditioning equipment Pending CN109442705A (en)

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Application Number Priority Date Filing Date Title
CN201811237991.XA CN109442705A (en) 2018-10-23 2018-10-23 A kind of wisdom miniature energy-saving central air conditioning equipment

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Application Number Priority Date Filing Date Title
CN201811237991.XA CN109442705A (en) 2018-10-23 2018-10-23 A kind of wisdom miniature energy-saving central air conditioning equipment

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CN109442705A true CN109442705A (en) 2019-03-08

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062861A (en) * 2012-12-05 2013-04-24 四川长虹电器股份有限公司 Energy-saving method and system for central air conditioner
CN105509266A (en) * 2016-02-24 2016-04-20 杭州脉恩科技有限公司 Intelligent control system of air conditioner
CN105783187A (en) * 2016-03-13 2016-07-20 石狮国高电子科技有限公司 Energy-saving control system for air conditioners
CN106524357A (en) * 2016-12-07 2017-03-22 中山路得斯空调有限公司 Intelligent control system of central air conditioner
CN106765941A (en) * 2016-12-16 2017-05-31 山东金洲科瑞节能科技有限公司 A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption
CN107401807A (en) * 2017-07-13 2017-11-28 广西三赢节能投资有限公司 A kind of central air-conditioning intelligence administration of energy conservation control system and its control method
CN108518819A (en) * 2018-05-31 2018-09-11 郑州神盾智能科技有限公司 A kind of controlling system of central air conditioner based on data acquisition
CN209054741U (en) * 2018-10-23 2019-07-02 成都创未电子科技有限公司 A kind of wisdom miniature energy-saving central air conditioning equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062861A (en) * 2012-12-05 2013-04-24 四川长虹电器股份有限公司 Energy-saving method and system for central air conditioner
CN105509266A (en) * 2016-02-24 2016-04-20 杭州脉恩科技有限公司 Intelligent control system of air conditioner
CN105783187A (en) * 2016-03-13 2016-07-20 石狮国高电子科技有限公司 Energy-saving control system for air conditioners
CN106524357A (en) * 2016-12-07 2017-03-22 中山路得斯空调有限公司 Intelligent control system of central air conditioner
CN106765941A (en) * 2016-12-16 2017-05-31 山东金洲科瑞节能科技有限公司 A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption
CN107401807A (en) * 2017-07-13 2017-11-28 广西三赢节能投资有限公司 A kind of central air-conditioning intelligence administration of energy conservation control system and its control method
CN108518819A (en) * 2018-05-31 2018-09-11 郑州神盾智能科技有限公司 A kind of controlling system of central air conditioner based on data acquisition
CN209054741U (en) * 2018-10-23 2019-07-02 成都创未电子科技有限公司 A kind of wisdom miniature energy-saving central air conditioning equipment

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