CN1087712A - Separate type central air conditioner system and control method thereof - Google Patents
Separate type central air conditioner system and control method thereof Download PDFInfo
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- CN1087712A CN1087712A CN 93116939 CN93116939A CN1087712A CN 1087712 A CN1087712 A CN 1087712A CN 93116939 CN93116939 CN 93116939 CN 93116939 A CN93116939 A CN 93116939A CN 1087712 A CN1087712 A CN 1087712A
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Abstract
The present invention discloses a kind of separate type central air conditioner system and control method thereof.This system is by a central control system, a plurality of subsystems and pressure fan and a compressor control system constitute, central control system links to each other with each subsystem and compressor control system by the interior mains powered network of existing room and building, and send, receive and exchange instruction, data etc., control the respective switch of each room or floor, realize respectively cold air time of delivery to the subsystem in each room, the remote control of temperature and switching on and shutting down, but the High-frequency Interference phenomenon that does not have the radio propagation in the wireless remotecontrol commonly used to cause, and the air-conditioning effect is better.
Description
The present invention relates to a kind of central air conditioner system, particularly relate to a kind of separate type central air conditioner system and control method thereof of many subordinate machine systems.
Common in the market air-conditioning system has unimodality and two kinds of patterns of central air-conditioning formula.The air-conditioning system of unimodality by one independently compressor through the output of the air outlet of body itself suitably, the air of thermophilic, owing to the restriction of body air outlet, this air-conditioning system can only be used in an interlayer.And the air-conditioning system of central air-conditioning is divided into two kinds: a kind of is the central air conditioner system of wind pipe type, and it delivers to a plurality of rooms, floor through the ventilation shaft in a plurality of rooms that are laid in, the floor with cold air by the large-scale a large amount of cold air of air-conditioning body output; Another kind is the separate type central air conditioner system, it need not lay airduct, but the cold coal pipe of extension set formula (fan coil) and main compressor is linked to each other, be placed in a plurality of rooms or the building, when compressor host moves, the high pressure refrigerant is separated to extension set, and carries out heat exchange respectively and export cold air to each room or building.The air-conditioning system of above-mentioned unimodality is because the output energy of its compressor is less, and do not have special-purpose common control unit to control, and therefore, when need used or close, the user must carry out switch to the body lay down location, feels inconvenience in the use very much.Though can utilizing circuit to be connected to a public switch, the air-conditioning system of single formula carries out remote control switch, this method operation inconvenience that not only connects up, and can only control the break-make of each body power supply, can not control the temperature and time of air-conditioning automatically; And the wind pipe type central air conditioner system can be controlled the air-conditioner temperature of each room extension set effectively through the master control body, parameters such as the time of adjusting output cold air, temperature, but, the engine request of burying ventilation shaft underground designs at once, constructs when building building, and take space in the building, therefore design and construction are all difficult, in addition, this central air conditioner system is by common switch control start, when system moves, also cool-air feed constantly in unmanned room or floor causes the waste of the energy.If when closing, then must be to each room or floor go to close each air port, this shortcoming with single formula air-conditioning system is identical, thereby feels inconvenience in the use very much.Generally speaking, because the restriction on itself designs, known air-conditioning system all exists many difficulties and inconvenience in the use with on the construction operation, therefore, need do further design improvement, reach convenient, practical effect so that match by perfect control system and hardware configuration thereof.
Main purpose of the present invention provides a kind of central air conditioner system with separate type of central control computer, directly link to each other by establishing each local computer in interior existing civil power (as the 110V AC) supply network of room or floor and each room or the floor, carry out conversion, storage and transmission instruction, data, and in each room or floor, be provided with independently by controlled cell, the subsystem that constant temperature system etc. are formed, setting up and receiving by distinctive house code and element number, independently fan subordinate machine system when receiving control signal in each room of automatic switch or the floor, reach automatic control air-conditioning system switching purposes, and can carry out cold air time of delivery and temperature controlling by the local computer of each room or floor.
The invention provides a kind of central air conditioner system of separate type, it is made up of a central control system, several subsystems and pressure fan and compressor control system.Central control system is linked to each other with a micromonitor system by a central control computer and constitutes; Each subsystem is made up of a local computer, a gauge tap, a controlled cell and a constant temperature system, and this local computer links to each other with gauge tap, controlled cell and constant temperature system respectively, and this gauge tap is connected to pressure fan; Compressor control system by a unidirectional controlled cell, gauge tap, compressing surface and automatically the Load Regulation case link to each other in proper order and constitute; And central control system, each subsystem utilizes the mains supply transmission network to link to each other with compressor control system, and by this network move instruction, data etc.
The present invention also is provided at the method for carrying out remote control in the separate type central air conditioner system, and this method may further comprise the steps:
At central control computer:
1, reference data is set in program initialization, sets house code and element number;
2, query statement request is determined request type and is read in the input data, is input to the working area of memory behind the coding;
3, the temperature value of each subsystem of poll and receive this value is stored in the memory simultaneously;
4, according to the reference data of setting with from the parameter value that subsystem reads, produce the control command of each subsystem;
5, send the control command of each subsystem.
At local computer:
1, reset start after, the house code and the element number of each subsystem read in the memory parameter value of initialization subsystem;
2, read the A/D parameter;
3, to the analogue data sampling of constant temperature system, the non-linear of constant temperature system proofreaied and correct in analog to digital conversion, the data after the level and smooth also stores processor;
4, judge the temperature requirement signal that has not come from central control computer, when receiving the temperature requirement signal, whether check house code and element number be consistent with the house code and the element number of this subsystem, then the temperature value of storage delivered to during as unanimity and sent the data subprogram;
5, judge the command signal that has not come from central control computer, when receiving orders signal, whether check house code and element number be consistent with the house code and the element number of this system, during as unanimity, command signal delivered to the execution switch by I/O (I/O).
Because the present invention uses existing mains powered network as signal transmission network, need not other laying-out, has simplified construction operation greatly, has obtained the result of economic actual effect.According to control method of the present invention, can be controlled the switch of each room or floor by central control computer in addition, the cold air time of delivery of each room or floor, temperature can be set execution respectively by each local computer.The present invention also can carry out every the building remote control, and the air-conditioning effect is even more ideal, can meet different location user's requirement, reaches the effect of wireless remote control type air-conditioning system, and does not have because radio wave commonly used is propagated the High-frequency Interference phenomenon that causes in the space.
Above-mentioned advantage of the present invention and effect can further be recognized from the narration of being carried out in conjunction with the accompanying drawings.
Fig. 1 is the schematic block diagram of the central air conditioner system of separate type of the present invention.
Fig. 2 is the plane of control panel of micromonitor system of the central air conditioner system of separate type of the present invention.
Fig. 3 is the panel figure of controlled cell of subsystem of the central air conditioner system of separate type.
Fig. 4 is the control flow chart of central control computer.
Fig. 5 is the control flow chart of the local computer of subsystem.
Fig. 6 is the wiring sketch of central control computer and its critical piece.
Fig. 7 is the local computer of subsystem and the wiring sketch of its critical piece.
Fig. 8 is the sketch of compressor of the present invention as the energy of hot-water supply.
At first see also Fig. 1, the central air conditioner system of a separate type is shown, the example of the system in three rooms is arranged shown in the figure, but be not limited thereto, by increasing the quantity that corresponding parts can expand the room or the floor of use.
As shown in Figure 1, central air conditioner system of the present invention is made up of the subsystem 2 in a central control system 1, a plurality of rooms and pressure fan 3 and compressor control system 4, utilize that original mains powered network 5 links to each other with central control system 1, subsystem 2 and compressor control system 4 respectively as signal transmission network in the room.Central control system 1 is linked to each other with micromonitor system 12 by central control computer 11 and constitutes, and micromonitor system 12 is connected to mains powered circuit 5.Central control computer 11 is control centres of whole system, the control program of circuit such as all subsystems 2 and pressure fan 3 all is stored in the read-only storage (ROM) of central control computer, and can accept by supplemental characteristics such as time of keyboard input, temperature.Micromonitor system 12 has one to be called the remote control signal transmitter that the carrier current system constitutes, remote control signal transmitter produces remote signal, and by mains powered network 5, form with carrier current periodically is sent to remote signal subsystem 2 and the pressure fan 3 that is located in each room, the floor successively, and the temperature value at that time of each room, floor sent to central control computer 11 with digital form, and deposit in the appointment working area in the central control computer memory.
The main program of central control computer 11 promptly enters in the Infinite Cyclic after SR starts, and whether imports the life life that requires to change conveying cold air time, temperature so that inquire about each subsystem 2.As do not have this order, and then process continues, and this moment, the control program of each subsystem 2 utilized initialize routine to determine each reference data.Have in this circulation and send and receive the isoparametric communications portion of temperature value that each subsystem 2 is imported, control command produces part, and according to the Current Temperatures and the difference of the reference temperature in the program stored in the change of temperature, the time parameter of storage and the memory, decision whether by micromonitor system 12 to the open/close control command of relevant subsystem 2 transmissions.
Referring to Fig. 2, show the planar configuration of the control panel of micromonitor system 12, the upper right corner is a house code selector 121, just can select the house code be scheduled to the letter of representing the associated room sign indicating number by turning knob, be provided with many group switches 122 in the lower left of panel, eight groups of switches are shown in this example, wherein four groups in left side be positioned at the nethermost options button 123 of panel and be used, can selectively remote signal be sent to several on the controlled cell 23 of setup unit sign indicating number.Two key switches of panel lower right side are the light gauge taps, but the lower position of right button switch 124 can cut off the power supply that all house codes are set the identical controlled cell 23 of control centre therewith, and make 3 shutdown of all pressure fans.
Referring to Fig. 3, the panel configuration of a controlled cell 23 is shown, and the upper and lower of panel is two supply sockets 231 and 232, and wherein portion has house code selector 233 and element number selector 234 respectively, this panel can be directly installed on the wall limit, and joins with mains powered network 5.Socket 231 is one and is subjected to control socket, can receive the remote signal of micromonitor system, the plug insertion socket 231 of constant temperature system 24.Socket 232 is the sockets of mains supply of continuing.House code selector 233 and element number selector 234 can be set respectively in position according to the requirement of micromonitor system, as the code of central control system each room of identification 1 or floor.
Referring to Fig. 4, the control flow chart of central control computer 11 is shown, its course of work is as follows:
1, in step 401, after reset switch started, process entered program initialization step 402.In step 402, parameters such as each time, date and temperature in the setting program are reference data, the reference data of the order of required house code and element number when setting the transport communication program simultaneously.
2, in step 403, display system information on display screen.
3,, judge whether keyboard imports request instruction in step 404.If any request instruction, then process enters step 405, the classification of the handling procedure of the keyboard of packing into to determine to ask, and read in the input data, after transition coding, be input to the working area of memory; As do not have request instruction, and then continuing circulation and go down, process enters step 406.
4, in step 406, the temperature value of the temperature value of each subsystem 2 of poll and each subsystem 2 of reception also was stored in the corresponding at that time working area.
5, process enters control command and produces partly then, i.e. step 407 according to the various parameters of storing in the program and the temperature value at that time and the time value of reading from each subsystem 2, calculates the control command of each subsystem 2.
6, process enters step 408, if judge have order to produce, then process enters step 409, order transmission program; Do not produce if there is order, then process turns back to step 403.
Fig. 5 illustrates the flow chart of local computer 21 control procedures, and control procedure is as follows:
1, in step 501, when the reset switch promoter region, process enters step 502, and program initialization is carried out to each parameter value of subsystem 2 in the house code of the subsystem 2 that selector switch is set and the space that element number reads in working area correspondence in the memory.
2, process enters step 503, starts the A/D translation circuit, makes initial program read the A/D parameter.
3, in step 504, sampling rate by the initiation parameter regulation is taken a sample to the analogue data of constant temperature system 24, the collected aanalogvoltage of conversion is a digital form, carry out the detection of data value zone of reasonableness, then in step 505, proofread and correct the non-linear of constant temperature system 24, again in step 506, with suitable mode smoothed data and treated data are stored in the register of random access memory of appointment.
4,, judge the temperature requirement signal have not from central control computer 11 in step 507.As do not have the temperature requirement signal, then process continues to circulate; If any, then process enters step 508, at first checks house code and element number.When the house code of they and 2 storages of this subsystem and element number are inconsistent, then turn back in the circulation; When the value that sets when they and subsystem 2 is consistent, then will be stored in temperature value in the temperature working area and delivers to and send the data subprogram, shown in step 509.
5,, judge the command signal that whether has central control computer 11 to send in step 510.As not having, then continue circulation and go down; If any, process enters step 511, at first checks house code and element number, when they are consistent with this subsystem 2, produce control signal and sends to the execution switch by I/O in step 512; And when inconsistent, then turn back to major cycle.
6, process turns back to step 503.
Fig. 6 represents the wiring diagram of central control computer 11 and its critical piece.Central control computer 11 is received keyboard LCD display unit through I/O port A and D respectively, receives the mains supply circuit after process I/O port C receives interface circuit in addition.Crystal oscillator output signal driving timing device circuit wherein, this timer circuit links to each other with EPROM, RAM by bus and I/O port A, B and C.Mains supply process+5V DC rectifier rectification backcasting machine provides+5V DC power supply.
The local computer 21 of Fig. 7 indication subsystem 2 and the wiring diagram of its critical piece.Local computer 21 with central control computer 11 main difference is, local computer 21 and central control computer 11 main difference are, local computer 21 has an A/D converter, and it links to each other with I/O port D, and is connected to constant temperature system 24; And its I/O port A and B are connected respectively to house code selector switch and element number selector switch; I/O port C links to each other with the controlled source switch with interface circuit respectively, and mains supply 110V AC input is received in the input of this controlled source switch, and it is output as controlled source 110V AC output.
Below only be to narrate for the separate type central air conditioner system with one embodiment of the present of invention, but can not limit actual practical range of the present invention with this, those of ordinary skill in the art can be without departing from the spirit and scope of the present invention, described architectural feature of the foregoing description and function are carried out various conversion and modification, and these conversion and modification all fall in the scope of claim of the present invention.
Claims (4)
1, a kind of separate type central air conditioner system, by a central control system (1), a plurality of subsystems (2) and pressure fan (3) and a compressor control system (4) constitute, central control system (1) is by a central control computer (11) formation that links to each other with a micromonitor system (12), and the separate type central air conditioner system is characterised in that:
Each subsystem (2) is made up of a local computer (21), a gauge tap (22), a controlled cell (23) and a constant temperature system (24), this local computer (21) connects gauge tap (22), controlled cell (23) and constant temperature system (24) respectively, the switch of gauge tap (22) control pressure fan (3);
Compressor control system (4) is made up of a unidirectional controlled cell (41), a gauge tap (42) and a compressor (43) and automatic Load Regulation case (431) thereof, and this automatic Load Regulation case (431) is connected with compressor (43);
Micromonitor system (12) links to each other with controlled cell (41) in the compressor control system (4) by the controlled cell (23) in mains powered network (5) and each subsystem (2), so that with carrier frequency each subsystem of poll periodically.
2, according to the separate type central air conditioner system of claim 1, it is characterized in that wherein micromonitor system (12) comprises a control panel, a house code selector (121) is arranged on this panel, be used to set the reservation sign indicating number; Many group switches (122) and an options button (123) by operating many group switches (122) and options button (123), can send to remote signal a plurality of controlled cells that set element number selectively; With two key switches (124), be used to cut off the power supply that all house codes are set the controlled cell identical with micromonitor system, and make all pressure fan 3 shutdown.
3, according to the separate type central air conditioner system of claim 1, it is characterized in that wherein the controlled cell (23) of each subsystem (2) has a control panel, house code selector (233) and element number selector (234) are housed on this control panel, are used for being set in corresponding position respectively according to the requirement of micromonitor system; A remote signal that is subjected to control socket (231) to be used to receive micromonitor system, the plug of constant temperature system 24 are inserted and are subjected to control socket (231).
4, a kind ofly be used for the method that the separate type central air conditioner system is carried out remote control, this system is by a central control system (1), a plurality of subsystems (2) and pressure fan (3) and a compressor control system (4) constitute, wherein central control system (1) comprises a central control computer (11), in each subsystem (2), comprise a local computer (21) and a constant temperature system (24), the method is characterized in that following steps:
At central control computer:
1) reference data and house code and element number are set in program initialization;
2) query statement request is determined request type and is read in the input data, is input to the temporary storage area of memory behind the coding;
3) temperature value of each subsystem of poll and receive this value is stored in the memory simultaneously;
4) according to the reference data of setting with from the parameter value that subsystem reads, produce the control command of each subsystem;
5) send the control command of each subsystem;
At local computer:
1) house code and the element number with each subsystem reads in the memory parameter value of initialization subsystem;
2) read the A/ parameter;
3) to the analogue data sampling of constant temperature system, the non-linear of constant temperature system proofreaied and correct in analog to digital conversion, the data after the level and smooth also stores processor;
4) judge the temperature requirement signal that has not come from central control computer, when receiving the temperature requirement signal, whether check house code and element number be consistent with the house code and the element number of subsystem;
5) judge the command signal that has not come from central control computer, when command signal was arranged, whether verification house code and element number be consistent with the house code and the element number of subsystem.
6) produce control signal, send to the execution switch by I/O.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93116939 CN1087712A (en) | 1993-09-01 | 1993-09-01 | Separate type central air conditioner system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93116939 CN1087712A (en) | 1993-09-01 | 1993-09-01 | Separate type central air conditioner system and control method thereof |
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| Publication Number | Publication Date |
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| CN1087712A true CN1087712A (en) | 1994-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 93116939 Pending CN1087712A (en) | 1993-09-01 | 1993-09-01 | Separate type central air conditioner system and control method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7136781B2 (en) | 2001-09-17 | 2006-11-14 | Hitachi Plant Technologies, Ltd. | Compressor remote monitoring system |
| CN101377339B (en) * | 2007-08-31 | 2012-05-30 | 海尔集团公司 | Regulating and controlling device and regulating and controlling method of air conditioner |
| CN103679237A (en) * | 2013-12-26 | 2014-03-26 | 江苏中科易正电子科技有限公司 | RFID (Radio Frequency Identification Device) tag, system and method for determining geographic location of RFID tag |
| CN103912957A (en) * | 2014-03-25 | 2014-07-09 | 珠海格力电器股份有限公司 | Control method and control device of air conditioning unit and air conditioning unit |
| CN104729007A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Information processing method and device for each connection point in air conditioning system |
| CN109297147A (en) * | 2012-03-30 | 2019-02-01 | 特灵国际有限公司 | Control the System and method for of air-conditioning system |
-
1993
- 1993-09-01 CN CN 93116939 patent/CN1087712A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7136781B2 (en) | 2001-09-17 | 2006-11-14 | Hitachi Plant Technologies, Ltd. | Compressor remote monitoring system |
| CN101377339B (en) * | 2007-08-31 | 2012-05-30 | 海尔集团公司 | Regulating and controlling device and regulating and controlling method of air conditioner |
| CN109297147A (en) * | 2012-03-30 | 2019-02-01 | 特灵国际有限公司 | Control the System and method for of air-conditioning system |
| CN104729007A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Information processing method and device for each connection point in air conditioning system |
| CN104729007B (en) * | 2013-12-24 | 2018-04-13 | 珠海格力电器股份有限公司 | Information processing method and device for each connection point in air conditioning system |
| CN103679237A (en) * | 2013-12-26 | 2014-03-26 | 江苏中科易正电子科技有限公司 | RFID (Radio Frequency Identification Device) tag, system and method for determining geographic location of RFID tag |
| CN103679237B (en) * | 2013-12-26 | 2017-04-19 | 江苏中科易正电子科技有限公司 | RFID (Radio Frequency Identification Device) tag, system and method for determining geographic location of RFID tag |
| CN103912957A (en) * | 2014-03-25 | 2014-07-09 | 珠海格力电器股份有限公司 | Control method and control device of air conditioning unit and air conditioning unit |
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