CN103912913B - The linkage control circuit of heating and ventilating equipment, system and method - Google Patents

The linkage control circuit of heating and ventilating equipment, system and method Download PDF

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Publication number
CN103912913B
CN103912913B CN201310006551.4A CN201310006551A CN103912913B CN 103912913 B CN103912913 B CN 103912913B CN 201310006551 A CN201310006551 A CN 201310006551A CN 103912913 B CN103912913 B CN 103912913B
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China
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heating
ventilating equipment
control
equipment
ventilating
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CN103912913A (en
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梁锐
李德辉
雷海涛
程竑理
陈强
项方
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Abstract

The present invention is applicable to automatic control technology, provide the linkage control circuit of a kind of heating and ventilating equipment, it is connected between main heating and ventilating equipment and standby heating and ventilating equipment, described linkage control circuit includes: current detection module, it is connected with the compressor power line of described standby heating and ventilating equipment, detects electric current the output detections information of described compressor power line；Switch control module, electrically connect with described current detection module and described standby heating and ventilating equipment respectively, the opening and closing controlling switch being turned on and off with the described standby heating and ventilating equipment of control being connected with described standby heating and ventilating equipment by control one according to the power rating of described main heating and ventilating equipment.Operation power rating according to main heating and ventilating equipment is to control being turned on and off of standby heating and ventilating equipment, achieve and close standby heating and ventilating equipment when main heating and ventilating equipment can meet performance requirement to save energy consumption, the intelligent power saving achieving the bigger standby heating and ventilating equipment of energy consumption uses, and achieves the environmental protection Appropriate application of the equipment energy.

Description

The linkage control circuit of heating and ventilating equipment, system and method
Technical field
The invention belongs to automatic control technology field, particularly relate to the linkage control circuit of heating and ventilating equipment, system And method.
Background technology
At present, heating and ventilating equipment system is functionally an ingredient of building, heating and ventilating equipment system Ruuning situation is closely bound up with the daily life of user in building.Energy-conserving and environment-protective have been trend, and machine room base station is saved Can transform, change the heating and ventilating equipment of energy-conserving and environment-protective, and abandoned the heating and ventilating equipment that proper energy consumption is big completely, then made Become device resource waste, and heating and ventilating equipment big for energy consumption simultaneously together with the heating and ventilating equipment of energy-conserving and environment-protective one Directly will also result in energy waste.Existing heating and ventilating equipment cannot be correct linkage work, it is impossible to realize resource Excellent configuration.
Summary of the invention
The purpose of the embodiment of the present invention is to provide the linkage control circuit of a kind of heating and ventilating equipment, it is intended to solve existing There is the linkage work that heating and ventilating equipment cannot be correct, it is impossible to the problem realizing Optimal Allocation of Resources.
The embodiment of the present invention is achieved in that the linkage control circuit of a kind of heating and ventilating equipment, and it is connected to main Between heating and ventilating equipment and standby heating and ventilating equipment, in order to control being turned on and off of described standby heating and ventilating equipment, institute State linkage control circuit to include:
Current detection module, this current detection module is connected with the compressor power line of described standby heating and ventilating equipment, In order to detect electric current the output detections information of described compressor power line；
Switch control module, this switch control module and described current detection module and described standby heating and ventilating equipment Electrical connection, in order to receive the detection information of described current detection module output and to judge according to described detection information Described standby heating and ventilating equipment is in opening or closed mode；And
Controlling switch, this control switch is connected on the on-off circuit of described standby heating and ventilating equipment, described switch Control module controls the opening and closing of switch to control according to the power rating of described main heating and ventilating equipment by control is described Being turned on and off of described standby heating and ventilating equipment.
The another object of the embodiment of the present invention is to provide the coordinated control system of a kind of heating and ventilating equipment, including to Few two heating and ventilating equipments, described at least two heating and ventilating equipment includes main heating and ventilating equipment and standby heating and ventilating equipment, institute State coordinated control system and also include the linkage control circuit of above-mentioned heating and ventilating equipment
The another object of the embodiment of the present invention is to provide a kind of heating and ventilating equipment linkage control circuit, be connected to Between few two heating and ventilating equipments, in order to control being turned on and off of described heating and ventilating equipment, described coordinated signals electricity Road includes:
Current detection module, this current detection module is connected with the compressor power line of described heating and ventilating equipment, uses To detect electric current the output detections information of described compressor power line；
Switch control module, this switch control module is electrically connected with described current detection module and described heating and ventilating equipment Connect, in order to receive the detection information of described current detection module output and to judge according to described detection information described Heating and ventilating equipment is in opening or closed mode, and described switch control module is according to the institute of opening The power rating stating heating and ventilating equipment controls being turned on and off of described heating and ventilating equipment.
The another object of the embodiment of the present invention is to provide a kind of heating and ventilating equipment coordinated control system, including at least Two heating and ventilating equipments, described coordinated control system also includes above-mentioned heating and ventilating equipment linkage control circuit.
The another object of the embodiment of the present invention is to provide a kind of coordinated signals system based on above-mentioned heating and ventilating equipment The control method of system, comprises the following steps:
The electric current of compressor power line of described standby heating and ventilating equipment defeated is detected by described current detection module Go out detection information；
Judge that described standby heating and ventilating equipment is in opening or closed mode according to described detection information；
If so, and shape opened by described standby heating and ventilating equipment judge that described main heating and ventilating equipment power is whether enough, State then controls the described opening and closing controlling to switch to close described standby heating and ventilating equipment；If it is not, and described HVAC set For the most then controlling the described opening and closing controlling to switch to open described standby heating and ventilating equipment.
The another object of the embodiment of the present invention is to provide a kind of based on above-mentioned heating and ventilating equipment coordinated control system Control method, comprise the following steps:
Detected the electric current of the compressor power line of described heating and ventilating equipment by described current detection module and export inspection Measurement information；
Judge that detected described heating and ventilating equipment is in opening and still cuts out shape according to described detection information State；
Judge whether the heating and ventilating equipment of described opening operates in normal condition, if described opening is warm Logical equipment operates in underpower state, then the described heating and ventilating equipment of the closed mode controlling respective numbers is opened； If the heating and ventilating equipment of described opening operates in power surplus state, then control the opening of respective numbers Described heating and ventilating equipment close.
The linkage control circuit of above-mentioned heating and ventilating equipment detects the compressor power electric current of standby heating and ventilating equipment to judge The open and-shut mode of standby heating and ventilating equipment, and the operation power rating according to main heating and ventilating equipment is standby warm to control Being turned on and off of logical equipment, it is achieved that close standby HVAC when main heating and ventilating equipment can meet performance requirement and set Standby to save energy consumption, standby HVAC can be opened in main heating and ventilating equipment fault or when can not meet performance requirement and set Standby to ensure that HVAC environment closes symbol related request, it is achieved that the intelligent power saving of the standby heating and ventilating equipment that energy consumption is bigger Use, and achieve the environmental protection Appropriate application of the equipment energy, optimization collocation device resource, decrease warm The waste of logical device resource.
Accompanying drawing explanation
Fig. 1 is the module frame chart of the linkage control circuit of the heating and ventilating equipment that the embodiment of the present invention provides；
Fig. 2 is the circuit ultimate principle figure of the switch control module that the embodiment of the present invention provides；
Fig. 3 is the structured flowchart of the linkage control circuit of the heating and ventilating equipment that the embodiment of the present invention provides；
Fig. 4 is the current detection module circuit ultimate principle figure that the embodiment of the present invention provides；
Fig. 5 is the module frame chart of the heating and ventilating equipment linkage control circuit that the embodiment of the present invention provides；
Fig. 6 is the circuit ultimate principle figure of the switch control module provided in accompanying drawing 5 embodiment of the present invention；
Fig. 7 is the structured flowchart of the heating and ventilating equipment linkage control circuit that the embodiment of the present invention provides；
Fig. 8 is the current detection module circuit ultimate principle figure provided in accompanying drawing 5 embodiment of the present invention；
Fig. 9 is the flow chart of the inter-linked controlling method of the heating and ventilating equipment provided in the embodiment of the present invention；
Figure 10 is the method flow diagram controlling the closedown of standby heating and ventilating equipment provided in the embodiment of the present invention；
Figure 11 is the method flow diagram controlling the unlatching of standby heating and ventilating equipment provided in the embodiment of the present invention；
Figure 12 is the flow chart of the heating and ventilating equipment inter-linked controlling method provided in the embodiment of the present invention.
Detailed description of the invention
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, with Lower combination drawings and Examples, are further elaborated to the present invention.Should be appreciated that described herein Specific embodiment only in order to explain the present invention, be not intended to limit the present invention.
Heating and ventilating equipment, when certain environment runs, can come according to the running status of himself or ambient temperature Judge that the whether power of the heating and ventilating equipment under opening is enough or residue, it will be appreciated that ground, power enough or Residue can be expressed as normal condition or abnormal condition.
Such as, under refrigerating state, ambient temperature then thinks opening between 35 ± 2 DEG C to 28 ± 2 DEG C Under heating and ventilating equipment properly functioning, if ambient temperature is more than 35 ± 2 DEG C, then it is assumed that warm under opening Logical plant capacity deficiency needs to open the heating and ventilating equipment under resting state；If ambient temperature is less than 28 ± 2 DEG C Then think that the heating and ventilating equipment power under opening remains, need to close the heating and ventilating equipment of corresponding opening.
Under heating state, it is warm that ambient temperature is then thought under opening between 15 ± 2 DEG C to 8 ± 2 DEG C Logical equipment is properly functioning, if ambient temperature is more than 8 ± 2 DEG C, then it is assumed that the heating and ventilating equipment merit under opening Rate deficiency needs to open the heating and ventilating equipment under resting state；If ambient temperature is less than 15 ± 2 DEG C, think out Open the heating and ventilating equipment power residue under state, need to close the heating and ventilating equipment of corresponding opening.Above-mentioned Ambient temperature can utilize the temperature sensor of heating and ventilating equipment self to detect.Certainly, if giving tacit consent to the HVAC opened When equipment breaks down, it is also desirable to open the heating and ventilating equipment under resting state.Intelligence provided below opening and closing is standby System and method with the heating and ventilating equipment under state.
As it is shown in figure 1, be the linkage control circuit module frame chart of a kind of heating and ventilating equipment in an embodiment, warm The linkage control circuit 100 of logical equipment is connected between main heating and ventilating equipment 10 and standby heating and ventilating equipment 20, main Heating and ventilating equipment 10 and the most each one of standby heating and ventilating equipment 20, the linkage control circuit 100 of heating and ventilating equipment is used In controlling being turned on and off of standby heating and ventilating equipment 20, linkage control circuit 100 includes current detection module 110, switch control module 120 and control switch 130.
Current detection module 110 is connected with the compressor power line 22 of standby heating and ventilating equipment 20, detection compression The electric current of electromechanical source line output detections information；Switch control module 120 respectively with current detection module 110 And standby heating and ventilating equipment 20 electrically connects, in order to receive detection information the basis of current detection module 110 output Detection information judges that standby heating and ventilating equipment 20 is in opening or closed mode；Control switch 130 connection On the on-off circuit 24 of standby heating and ventilating equipment 20, switch control module 120 is according to main heating and ventilating equipment 10 Power rating by controlling the opening and closing of this control switch 130 to control the unlatching of standby heating and ventilating equipment 20 or pass Close.
The linkage control circuit 100 of above-mentioned heating and ventilating equipment detects the compressor power electric current of standby heating and ventilating equipment 20 To judge the open and-shut mode of standby heating and ventilating equipment 20, and according to the operation power rating of main heating and ventilating equipment 10 To control being turned on and off of standby heating and ventilating equipment 20, it is achieved that performance can be met at main heating and ventilating equipment 10 and want Standby heating and ventilating equipment 20 is closed to save energy consumption, in main heating and ventilating equipment 10 fault or can not meet performance when asking Standby heating and ventilating equipment 20 can be opened to ensure that HVAC environment closes symbol related request, it is achieved that energy consumption is relatively during requirement The intelligent power saving of big standby heating and ventilating equipment 20 uses, and achieves the environmental protection Appropriate application of the equipment energy, Optimization collocation device resource, decreases the waste of heating and ventilating equipment resource.
The linkage control circuit 100 of heating and ventilating equipment can be arranged in main heating and ventilating equipment 10, or is arranged at In standby heating and ventilating equipment 20, or scattering device in main heating and ventilating equipment 10 and standby heating and ventilating equipment 20 (as Embodiment illustrated in fig. 1), or independent equipment.In the present embodiment, detection information is information of voltage.
In a preferred embodiment, with reference to Fig. 2, control switch 130 and include coil and normally opened for relay K 1 Contact.In other embodiments, controlling switch 130 can be travel switch, it might even be possible to be audion, Pipe etc. can for photoelectrical coupler or MOS (Metal Oxide Semiconductor, metal-oxide semiconductor (MOS)) Control property switching device.
The input of switch control module 120 is connected with the outfan of current detection module 110, on-off control The outfan of module 120 is connected with one end of the coil of relay K 1, the other end of relay K 1 and an electricity Source+12V connects.The normally opened contact of relay K 1 is connected in the on-off circuit 24 of standby heating and ventilating equipment 20 The two ends of switch, switch control module 120 receives and controls the normally opened of relay K 1 according to detection information The closed and disconnected of contact.
The on-off circuit 24 of standby heating and ventilating equipment 20 is particularly used for controlling the button of standby heating and ventilating equipment 20 and opens Closing and circuit, it is for controlling being turned on and off of standby heating and ventilating equipment 20, and control is switched at this 130 are connected with the on-off circuit 24 of standby heating and ventilating equipment 20, really will control the switch portion of switch 130 Divide with the press button of on-off circuit 24 is in parallel, utilize control switch 130 to simulate and realize press button control The function being turned on and off of standby heating and ventilating equipment 20.Opening is obtained by switch control module 120 The duty of standby heating and ventilating equipment 20, receives and controls relay K 1 closed and disconnected according to detection information To control being turned on and off of standby heating and ventilating equipment 20, it is achieved that main heating and ventilating equipment 10 can meet performance requirement And the standby heating and ventilating equipment 20 of control opening cuts out to save energy consumption when operating in power surplus state；If Main heating and ventilating equipment 10 fault or when can not meet performance requirement, then control closed mode standby of respective numbers Heating and ventilating equipment 20 opens to ensure that HVAC environment closes symbol related request, it is achieved that the intelligence of heating and ventilating equipment, energy-conservation, Environmental protection Appropriate application, optimization collocation device resource, decrease the waste of heating and ventilating equipment 30 resource.
In a preferred embodiment, switch control module 120 includes that control chip 122 and relay drive electricity Road 124, the input of control chip 122 is connected with the outfan of current detection module 110, control chip The outfan of 122 is connected with the input of relay drive circuit 124, the drive circuit 124 of relay Outfan is connected with the coil of relay K 1.
Control chip 122 can be disposed on main heating and ventilating equipment 10, standby heating and ventilating equipment 20 or be separately provided, In present embodiment, control chip 122 for single-chip microcomputer.In other embodiments, control chip 122 Can be DSP (Digital Signal Processor, digital signal processor), ARM (Advanced RISC The microprocessor such as Machines).
In a preferred embodiment, with reference to Fig. 3, control chip 122 includes judgment means 1221, it is judged that dress Put 1221 and judge that standby heating and ventilating equipment 20 is in opening or closed mode according to detection information.Work as inspection When measurement information is zero, then it is assumed that standby heating and ventilating equipment 20 is closed mode；When the information of detection is more than zero, then Think that standby heating and ventilating equipment 20 is opening.In like manner, when standby heating and ventilating equipment 20 is turned on and off, When the electric current of compressor power line 22, (i.e. detection information is more than zero) then thinks standby heating and ventilating equipment more than zero 20 open successfully；When the electric current of compressor power line 22 is that zero (i.e. detection information is zero) then thinks standby Heating and ventilating equipment 20 cuts out successfully.
In present embodiment, the driving chip that relay drive circuit 124 is.In other embodiments, Relay drive circuit 124 can also be mainly with audion or metal-oxide-semiconductor as driving element, coordinates power consumption The base stage of the relay drive circuit 124 of device (as energy discharges diode), specifically audion or MOS The grid of pipe as the input of drive circuit, the colelctor electrode of audion or the drain electrode of metal-oxide-semiconductor as driving The outfan of circuit, the emitter stage of audion or the source ground of metal-oxide-semiconductor.
In the present embodiment, with reference to Fig. 2, control chip 122 (single-chip microcomputer) the 15th foot is DC voltage detection Port, can detect the DC voltage value of 0V to 5V, is used for detecting the outfan of current detection module 110 The detection information of 112 outputs；The two ends of the normally opened contact of relay K 1 are connected to standby heating and ventilating equipment 20 Key-press circuit for switch (i.e. said switching circuit 24) control chip 122 the 16th foot is common input and output Mouthful, low and high level can be exported, during control chip 122 the 16th foot output high level, the line of relay K 1 Circle energising, normally-closed contact closes；During control chip 122 the 16th foot output low level, the line of relay K 1 Circle power-off, normally opened contact disconnects.Therefore when needs are turned on and off standby heating and ventilating equipment 20, single-chip microcomputer control Relay K 1 processed is closed after closing 2 seconds, analog manual operation's switch key.
In a preferred embodiment, with reference to Fig. 4, current detection module 110 include Current Transmit 1, Commutation diode D16, the first divider resistance R19, the second divider resistance R20, clamp diode D15, Current-limiting resistance R21, the first filter capacitor E6 and the second filter capacitor C11.
Current Transmit 1 senses the electric current on compressor power line 22, the first of Current Transmit 1 End is connected with the anode of commutation diode D16, the second end ground connection；The negative electrode of commutation diode D16 and first First end of divider resistance R19 connects, and second end of the first divider resistance R19 is respectively by the first filtered electrical Hold E6 and the second divider resistance R20 ground connection and the anode with clamp diode D15 is connected, clamper two The negative electrode of pole pipe D15 and a DC source VCC connect；First end of current-limiting resistance R21 and the first dividing potential drop Second end of resistance R19 connects, and second end of current-limiting resistance R21 is as the output of current detection module 110 End 112 also passes through the second filter capacitor C11 ground connection.
The compressor of the standby heating and ventilating equipment 20 of Current Transmit 1 in the circuit of current detection module 110 Alternating current on power line 22 senses in the coil circuit of Current Transmit 1, by rectification two pole By the first filter capacitor E6 filtering, the first divider resistance R19 and the second dividing potential drop after pipe D16 halfwave rectifier Resistance R20 dividing potential drop, obtains DC voltage, then by current-limiting resistance R21 current limliting, clamp diode D15 Clamper, the second filter capacitor C11 export after filtering radio-frequency component.In the present embodiment, the first filter capacitor E6 For electrochemical capacitor, the second filter capacitor C11 is ceramic disc capacitor.
And in a practical situation, current detection module 110 has the reason of energy-storage function due to internal device, The electric current 112 of its output may will not be zero.Such as, if the alternating current of compressor power line 22 is more than In 3 amperes, the outfan 112 of current detection module 110 exports DC induction pressure about 0.34V then to be recognized It is open state for standby heating and ventilating equipment 20；If the alternating current of compressor power line 22 is less than or equal to 2 peaces Training, the outfan 112 of stream detection module 110 exports DC induction pressure and is about 0.18V, then it is assumed that standby Heating and ventilating equipment 20 is off-mode.
The linkage control circuit 100 of above-mentioned heating and ventilating equipment senses standby HVAC by current detection module 110 and sets The compressor power electric current output detections information of standby 20, control chip 122 judges standby HVAC with detection information The open and-shut mode of equipment 20, and according to the operation power rating of main heating and ventilating equipment 10 be underpower or Power headroom is excessive, controls being turned on and off of standby heating and ventilating equipment 20 with relay K 1, it is achieved that leading Heating and ventilating equipment 10 cuts out standby heating and ventilating equipment 20 to save energy consumption when can meet performance requirement, set at main HVAC Standby 10 faults or standby heating and ventilating equipment 20 can be opened to ensure that HVAC environment closes when can not meet performance requirement Symbol related request, it is achieved that the intelligent power saving of the standby heating and ventilating equipment 20 that energy consumption is bigger uses, and achieves The environmental protection Appropriate application of the equipment energy, optimization collocation device resource, decrease the waste of heating and ventilating equipment resource.
Additionally, additionally provide the coordinated control system of a kind of heating and ventilating equipment, it includes at least two heating and ventilating equipment, Described at least two heating and ventilating equipment includes main heating and ventilating equipment 10 and standby heating and ventilating equipment 20, also includes above-mentioned The linkage control circuit 100 of heating and ventilating equipment, the structure of the linkage control circuit 100 of heating and ventilating equipment and function thereof Principle is as it has been described above, repeat no more here.
The coordinated control system of above-mentioned heating and ventilating equipment detect the compressor power electric current of standby heating and ventilating equipment 20 with Judge the open and-shut mode of standby heating and ventilating equipment 20, and according to the operation power rating of main heating and ventilating equipment 10 with Control being turned on and off of standby heating and ventilating equipment 20, it is achieved that performance requirement can be met at main heating and ventilating equipment 10 Time close standby heating and ventilating equipment 20 to save energy consumption, in main heating and ventilating equipment 10 fault or can not meet performance and want Standby heating and ventilating equipment 20 can be opened to ensure that HVAC environment closes symbol related request, it is achieved that energy consumption is bigger when asking The intelligent power saving of standby heating and ventilating equipment 20 use, and achieve the environmental protection Appropriate application of the equipment energy, Distribute device resource rationally, decrease the waste of heating and ventilating equipment resource.
Additionally, additionally provide another heating and ventilating equipment linkage control circuit 200, as it is shown in figure 5, be one The module frame chart of the heating and ventilating equipment linkage control circuit 200 in embodiment, heating and ventilating equipment linkage control circuit 200 It is connected between at least two heating and ventilating equipment 30, in order to control being turned on and off of heating and ventilating equipment 30, HVAC Equipment linkage control circuit 200 includes current detection module 210 and switch control module 220.
Current detection module 210 is connected with the compressor power line 32 of heating and ventilating equipment 30, in order to detect compression The electric current of electromechanical source line 32 output detections information；Switch control module 220 and current detection module 210 And heating and ventilating equipment 30 electrically connects, in order to receive detection information the basis of the output of described current detection module 210 Detection information judges that heating and ventilating equipment 30 is in opening or closed mode, and switch control module 220 The power rating of the heating and ventilating equipment 30 according to opening controls being turned on and off of heating and ventilating equipment 30.
Above-mentioned heating and ventilating equipment linkage control circuit 200 detect the compressor power electric current of all heating and ventilating equipments 30 with Judge the open and-shut mode of detected heating and ventilating equipment 30, and the operation of the heating and ventilating equipment 30 according to opening Power rating is to control being turned on and off of corresponding heating and ventilating equipment 30, it is achieved that the HVAC in opening sets Warming up of standby 30 openings controlling respective numbers when can meet performance requirement and operate in power surplus state Logical equipment 30 closes to save energy consumption；If the heating and ventilating equipment of opening 30 fault or can not meet performance want When asking, then it is relevant that the heating and ventilating equipment 30 of the closed mode controlling respective numbers opens to ensure that HVAC environment closes symbol Requirement, it is achieved that the intelligence of heating and ventilating equipment 30, energy-saving and environmental protection Appropriate application, optimization collocation device resource, Decrease the waste of heating and ventilating equipment 30 resource.
Heating and ventilating equipment linkage control circuit 200 can be arranged in one or more heating and ventilating equipment 30, or Scattering device is to be combined into complete linkage control circuit 200 or independent in multiple heating and ventilating equipments 30 Equipment (as illustrated in the embodiment of figure 5).In the present embodiment, detection information is information of voltage.
In a preferred embodiment, in conjunction with Fig. 5,6,7, switch control module 220 includes control unit 222 And control the outfan 212 of switch 224, the input of control unit 222 and current detection module 210 Connecting, control switch 224 and be connected on the on-off circuit 34 of heating and ventilating equipment 30, control unit 222 receives And control switch 224 closed and disconnecteds to control unlatching or the pass of heating and ventilating equipment 30 according to detection information Close.
So, switch control module 220 obtains the heating and ventilating equipment 30 of opening by control unit 222 Duty, receive and also control switch 224 closed and disconnecteds according to detection information and set to control HVAC Standby 30 be turned on and off, it is achieved that the heating and ventilating equipment 30 in opening can meet performance requirement and run The heating and ventilating equipment 30 of the opening controlling respective numbers when power surplus state cuts out to save energy consumption；If Heating and ventilating equipment 30 fault of opening or when can not meet performance requirement, then control the closedown shape of respective numbers The heating and ventilating equipment 30 of state is opened to ensure that HVAC environment closes symbol related request, it is achieved that the intelligence of heating and ventilating equipment 30 Energy, energy-saving and environmental protection Appropriate application, optimization collocation device resource, decrease the wave of heating and ventilating equipment 30 resource Take.
In a preferred embodiment, with reference to Fig. 6,7, control unit 222 includes control chip 2222 and drives Galvanic electricity road 2224, the input of control chip 2222 is connected with the outfan 112 of current detection module 210, The outfan of control chip 2222 is connected with the input of drive circuit 2224, drive circuit 2224 defeated Go out end to be connected to drive the Guan Bi or disconnection controlling switch 224 with control switch 224.
In more specifically embodiment, controlling switch 224 be relay K 1, relay K 1 include coil with Normally opened contact.In other embodiments, controlling switch 224 can be travel switch, it might even be possible to be three poles The controllability switching devices such as pipe, photoelectrical coupler or metal-oxide-semiconductor.
So, the input of control unit 222 is connected with the outfan of current detection module 210, controls single Unit's outfan of 222 is connected with one end of the coil of relay K 1, the other end of relay K 1 and a power supply + 12V connects.The normally opened contact of relay K 1 is connected to the switch in the on-off circuit 34 of heating and ventilating equipment 30 Two ends, control unit 222 receives and controls the Guan Bi of normally opened contact of relay K 1 according to detection information And disconnection.The on-off circuit 34 of heating and ventilating equipment 30 be particularly used for control heating and ventilating equipment 30 press button and Its circuit, it is for controlling being turned on and off of heating and ventilating equipment 30, and at this by control switch 224 and HVAC The switch of equipment 30 connects, and really will control the switch sections of switch 224 with the button of on-off circuit 24 Switch in parallel, utilizes and controls to switch 224 unlatching simulating and realizing press button control heating and ventilating equipment 30 or passes The function closed.
In more specifically embodiment, control unit 222 includes control chip 2222 and for driving above-mentioned continuing The drive circuit 2224 of electrical work, the input of control chip 2222 is defeated with current detection module 210 Going out end 112 connection, the outfan of control chip 2222 is connected with the input of drive circuit 2224, drives The outfan of circuit 2224 is connected with the coil of relay K 1.
Control chip 2222 can be disposed in heating and ventilating equipment 30, or is separately provided (such as Fig. 4 embodiment Shown in), in present embodiment, control chip 2222 is single-chip microcomputer.In other embodiments, control Chip 2222 can be the microprocessors such as DSP, ARM.
In a preferred embodiment, with reference to Fig. 7, control chip 2222 includes judgment means 300, it is judged that dress Put 300 and judge that detected heating and ventilating equipment 30 is in opening or closed mode according to detection information.When When detection information is zero, then it is assumed that this heating and ventilating equipment 30 is closed mode；When the information of detection is more than zero, then Think that this heating and ventilating equipment 30 is opening.Meanwhile, when being turned on and off by heating and ventilating equipment 30, pressure is worked as More than zero, the electric current of contracting electromechanical source line 32 thinks that heating and ventilating equipment 30 is opened successfully；When compressor power line 32 Electric current be zero and think that heating and ventilating equipment 30 cuts out successfully.
Drive circuit be model be the driving chip of ULN2003A.In other embodiments, drive circuit 2224 can also be mainly with audion or metal-oxide-semiconductor as driving element, coordinates energy dissipation device (as energy is released Put diode) drive circuit 2224, specifically the base stage of audion or the grid of metal-oxide-semiconductor are as driving The input of circuit 2224, the colelctor electrode of audion or the drain electrode of metal-oxide-semiconductor are as drive circuit 2224 Outfan, the emitter stage of audion or the source ground of metal-oxide-semiconductor.
In the present embodiment, the 15th foot of control chip 2222 (single-chip microcomputer) is that DC voltage detects port, Can detect the DC voltage value of 0V to 5V, the outfan 212 being used for detecting current detection module 210 is defeated The detection information gone out；The two ends of the so-called normally opened contact of relay K 1 are connected to the switch key of heating and ventilating equipment 30 Circuit (i.e. said switching circuit 34), control chip 2222 the 16th foot is common input/output port, can To export low and high level, during control chip 2222 the 16th foot output high level, the coil of relay K 1 leads to Electricity, normally-closed contact closes；During control chip 2222 the 16th foot output low level, the coil of relay K 1 Power-off, normally opened contact disconnects.Therefore when needs are turned on and off heating and ventilating equipment 30, Single-chip Controlling relay Device K1 closes after closing 2 seconds, analog manual operation's switch key.
In a preferred embodiment, with reference to Fig. 8, current detection module 210 include Current Transmit 1, Commutation diode D16, the first divider resistance R19, the second divider resistance R20, clamp diode D15, Current-limiting resistance R21, the first filter capacitor E6 and the second filter capacitor C11.
Current Transmit 1 senses the electric current on compressor power 32, the first end of Current Transmit 1 Be connected with the anode of commutation diode D16, the second end ground connection, the negative electrode of commutation diode D16 and first point First end of piezoresistance R19 connects, and second end of the first divider resistance R19 is respectively by the first filter capacitor E6 and the second divider resistance R20 ground connection the anode with clamp diode D15 are connected, clamper two pole The negative electrode of pipe D15 and a DC source connect, first end of current-limiting resistance R21 and the first divider resistance R19 Second end connect, second end of current-limiting resistance R21 as current detection module 210 outfan 212, And by the second filter capacitor C11 ground connection.
In the circuit of current detection module 210, Current Transmit 1 needs the heating and ventilating equipment 30 of detection Alternating current on compressor power line 32 senses in the coil circuit of Current Transmit 1, by whole Filtered by the first filter capacitor E6 after stream diode D16 halfwave rectifier, the first divider resistance R19 and the Two divider resistance R20 dividing potential drops, obtain DC voltage, then by current-limiting resistance R21 current limliting, clamp diode D15 clamper, the second filter capacitor C11 export after filtering radio-frequency component.In the present embodiment, the first filtered electrical Appearance E6 is electrochemical capacitor, and the second filter capacitor C11 is ceramic disc capacitor.
And in a practical situation, current detection module 210 has the reason of energy-storage function due to internal device, The electric current of its output may will not be zero.Such as, if the alternating current of compressor power line 32 is more than or equal to 3 Ampere, the outfan 212 of current detection module 210 export DC induction pressure be about 0.34V then think by The heating and ventilating equipment 30 of detection is open state；If the alternating current of compressor power line 32 is less than or equal to 2 peaces Training, the outfan 112 of stream detection module 210 exports DC induction pressure and is about 0.18V, then it is assumed that tested The heating and ventilating equipment 30 surveyed is off-mode.
Above-mentioned heating and ventilating equipment linkage control circuit 200 senses all heating and ventilating equipments by current detection module 210 The compressor power electric current output detections information of 30, control chip 2222 is detected with detection information judgement The open and-shut mode of heating and ventilating equipment 30, and according to the operation power rating of the heating and ventilating equipment 30 of opening be Underpower or power headroom are superfluous, control being turned on and off of heating and ventilating equipment 30 with relay K 1, real Show the closedown when the heating and ventilating equipment 30 of opening can meet performance requirement power headroom surplus and opened many The heating and ventilating equipment 30 crossed is to save energy consumption, in heating and ventilating equipment 30 fault or permissible when can not meet performance requirement Open the heating and ventilating equipment 30 of respective numbers to ensure that HVAC environment closes symbol related request, it is achieved that heating and ventilating equipment The intelligence of 30, energy-saving and environmental protection Appropriate application, optimization collocation device resource, decrease heating and ventilating equipment 30 The waste of resource.
Additionally, additionally provide a kind of heating and ventilating equipment coordinated control system, it includes at least two heating and ventilating equipment 30, Also include above-mentioned heating and ventilating equipment linkage control circuit 200, the structure of heating and ventilating equipment linkage control circuit 200 And principle of work and power is as it has been described above, repeat no more here.
Above-mentioned heating and ventilating equipment coordinated control system detects all heating and ventilating equipments 30 by current detection module 210 Compressor power electric current to judge the open and-shut mode of detected heating and ventilating equipment 30, and according to opening The operation power rating of heating and ventilating equipment 30 is to control being turned on and off of corresponding heating and ventilating equipment 30, it is achieved that Control corresponding when heating and ventilating equipment 30 in opening can meet performance requirement and operate in power surplus state The heating and ventilating equipment 30 of the opening of quantity cuts out to save energy consumption；If the heating and ventilating equipment of opening 30 event When hindering or can not meet performance requirement, then the heating and ventilating equipment 30 of the closed mode controlling respective numbers is opened to protect Barrier HVAC environment closes symbol related request, it is achieved that the intelligence of heating and ventilating equipment 30, energy-saving and environmental protection Appropriate application, Optimization collocation device resource, decreases the waste of heating and ventilating equipment 30 resource.
In conjunction with Fig. 1,2,3,4 and 9, for the control of a kind of coordinated control system based on above-mentioned heating and ventilating equipment Method processed, the inter-linked controlling method of this heating and ventilating equipment is arranged at the control of the linkage control circuit 100 of heating and ventilating equipment In molding block 120, being used for controlling standby heating and ventilating equipment 20 and work, the inter-linked controlling method of heating and ventilating equipment includes Following steps:
Step S110, detects the compression of described standby heating and ventilating equipment 20 by described current detection module 110 The electric current of electromechanical source line 22 output detections information.Specifically, by the linkage control circuit of heating and ventilating equipment The current detection module 110 of 100 detects the electric current of the compressor power line 22 of standby heating and ventilating equipment 20 defeated Go out detection information.Structure and the principle of work and power thereof of current detection module 110 are as it has been described above, repeat no more here.
Step S120, according to described detection information judge described standby heating and ventilating equipment 20 be on state or Closed mode.Specifically, the switch control module 120 of the coordinated signals electric current 100 of heating and ventilating equipment receives and is somebody's turn to do Detection information, the judgment means 1221 of switch control module 120 according to the size of this detection information to judge quilt The standby heating and ventilating equipment 20 of detection is in opening or in off position.When compressor power line 22 More than zero (i.e. detection information is more than zero), electric current then thinks that standby heating and ventilating equipment 20 is opened successfully；Work as compressor The electric current of power line 22 is that zero (i.e. detection information is zero) then thinks that standby heating and ventilating equipment 20 cuts out successfully.
Step S130, it is judged that described main heating and ventilating equipment 10 power is enough.Specifically, controlled by switch Molding block 120 obtains the power rating of main heating and ventilating equipment 10.If main heating and ventilating equipment 10 power is enough and standby Heating and ventilating equipment 20 in opening, then perform step S140, control described control switch 130 opening and closing with Close described standby heating and ventilating equipment 20；If standby heating and ventilating equipment 20 is in off position, terminate.
If main heating and ventilating equipment 10 underpower and standby heating and ventilating equipment 20 are in off position, perform step S150, controls the opening and closing of described control switch 130 to open described standby heating and ventilating equipment 20；If main HVAC sets Standby 10 underpowers and standby heating and ventilating equipment 20 are in opening, if also having other controlled main HVACs to set Standby or standby heating and ventilating equipment 20, then control these other main heating and ventilating equipment 10 or standby heating and ventilating equipment 20 is opened, To ensure that HVAC environment closes symbol related request.
The inter-linked controlling method of above-mentioned heating and ventilating equipment sets by utilizing current detection module 110 to detect standby HVAC The compressor power electric current of standby 20 is to judge the open and-shut mode of standby heating and ventilating equipment 20, and according to main HVAC The operation power rating of equipment 10 is to control being turned on and off of standby heating and ventilating equipment 20, it is achieved that main warm Logical equipment 10 closes standby heating and ventilating equipment 20 to save energy consumption when can meet performance requirement, at main heating and ventilating equipment 10 faults or standby heating and ventilating equipment 20 can be opened when can not meet performance requirement to ensure that HVAC environment closes symbol Related request, it is achieved that the intelligent power saving of the standby heating and ventilating equipment 20 that energy consumption is bigger uses, and achieve and set The environmental protection Appropriate application of the standby energy, optimization collocation device resource, decrease the waste of heating and ventilating equipment resource.
Specifically, control switch 130 opening and closings by switch control module 120 to set to control standby HVAC Standby 20 are turned on and off, and current detection module 110, switch control module 120 and control switch 130 are more Specific embodiment describes as described above for described in the related embodiment of Fig. 1,2,3 and 4, repeats no more here.
In the present embodiment, when performing step S120, it is judged that device 1221 warms up standby according to detection information When the open and-shut mode of logical equipment 20 judges, when described detection information is zero, then it is assumed that this standby HVAC Equipment 20 is closed mode；When the information of detection is more than zero, then it is assumed that standby heating and ventilating equipment 20 is for opening shape State.
In more detailed embodiment, as shown in Figure 10, step S140 includes step S210, step S220 With step S230, specific as follows:
Step S210, controls the described switch 130 that controls and closes the N second.Specifically, switch control module 120 Disconnect after the Guan Bi N second, in fact this step by controlling switch 130 (specifically controlling relay K 1) Suddenly it is that simulated operation personnel manually touch the switch that touches the button to control the closedowns of standby heating and ventilating equipment 20, N is 2, 3,4 or 5.
Step S220, it is judged that whether the detection information of described current detection module 110 detection output is zero, if It is that the most described standby heating and ventilating equipment 20 cuts out successfully.Specifically, time delay again after controlling switch 130 disconnection After the M second, current detection module 110 detects electric current the output detections information (electricity of compressor power line 22 Pressure information) to switch control module 120, the judgment means 1221 of switch control module 120 is according to this voltage Information judges whether standby heating and ventilating equipment 20 is closed successfully, if closing successfully, terminates, if being not turned off successfully Then perform step S230.
The electric current detecting compressor power line 22 after above-mentioned control switch 130 disconnection again after the time delay M second again is former Because of be heating and ventilating equipment in M time second being turned on and off process, the electric current of its compressor power line 22 In labile state, now detection can affect the accuracy of detection, so detects compressor after the M second again The electric current of power line 22 improves the accuracy of detection, it is ensured that the stablizing of systematic function.It is understood that The size of M sets, e.g. 5 seconds, 10 seconds according to the process that the is turned on and off required time of heating and ventilating equipment Deng the time.
Step S230, if standby heating and ventilating equipment 20 is not turned off successfully, then repeated execution of steps S210, described Control the described step of switch 130 Guan Bi N second that controls until described standby heating and ventilating equipment 20 is closed.Tool Body ground, can be arranged on closedown unsuccessful in the case of, the most just can exit with repeated execution of steps S210 The program of the standby heating and ventilating equipment of this closedown 20, this can make 10 times, 20 inferior number of times several times.
In more detailed embodiment, with reference to Figure 11, step S150 includes step S240, step S250 With step S260, particularly as follows:
Step S240, controls the described switch 130 that controls and closes the N second.Specifically, switch control module 120 Disconnect after the Guan Bi N second, in fact this step by controlling switch 130 (specifically controlling relay K 1) Suddenly it is that simulated operation personnel manually touch the switch that touches the button to control the unlatchings of standby heating and ventilating equipment 20, N is 2, 3,4 or 5.
Step S250, it is judged that whether the detection information of described current detection module 110 output is more than zero, if so, The most described standby heating and ventilating equipment 20 is opened successfully.Specifically, time delay M again after controlling switch 130 disconnection After Miao, current detection module 110 detects electric current output detections information (the voltage letter of compressor power line 22 Breath) to switch control module 120, the judgment means 1221 of switch control module 120 is according to this information of voltage Judge whether standby heating and ventilating equipment 20 is unlocked successfully, if opening successfully, terminating, if not opening successfully, holding Row step S260.
The electric current detecting compressor power line 22 after above-mentioned control switch 130 disconnection again after the time delay M second again is former Because of be heating and ventilating equipment in M time second being turned on and off process, the electric current of its compressor power line 22 In labile state, now detection can affect the accuracy of detection, so detects compressor after the M second again The electric current of power line 22 improves the accuracy of detection, it is ensured that the stablizing of systematic function.It is understood that The size of M sets, e.g. 5 seconds, 10 seconds according to the process that the is turned on and off required time of heating and ventilating equipment Deng the time.
Step S260, if standby heating and ventilating equipment 20 is not opened successfully, then repeated execution of steps S240, described Control the described step of switch 130 Guan Bi N second that controls until described standby heating and ventilating equipment 20 is unlocked.Tool Body ground, can be arranged on unlatching unsuccessful in the case of, the most just can exit with repeated execution of steps S240 The program of the standby heating and ventilating equipment of this unlatching 20, this can make 10 times, 20 inferior number of times several times.
The inter-linked controlling method of above-mentioned heating and ventilating equipment senses standby heating and ventilating equipment 20 by current detection module 110 Compressor power electric current output detections information, control chip 122 with detection information judge standby heating and ventilating equipment The open and-shut mode of 20, and be underpower or power according to the operation power rating of main heating and ventilating equipment 10 Surplus is excessive, controls being turned on and off of standby heating and ventilating equipment 20 with relay K 1, it is achieved that at main HVAC Equipment 10 closes standby heating and ventilating equipment 20 to save energy consumption when can meet performance requirement, at main heating and ventilating equipment 10 Fault or standby heating and ventilating equipment 20 can be opened when can not meet performance requirement to ensure that HVAC environment closes symbol phase Close requirement, it is achieved that the intelligent power saving of the standby heating and ventilating equipment 20 that energy consumption is bigger uses, and achieves equipment The environmental protection Appropriate application of the energy, optimization collocation device resource, decrease the waste of heating and ventilating equipment resource.
In conjunction with Fig. 5,6,7,8 and 12, a kind of control based on above-mentioned heating and ventilating equipment coordinated control system Method, this heating and ventilating equipment inter-linked controlling method is used for detecting and control heating and ventilating equipment 30 and works, this heating and ventilating equipment Inter-linked controlling method is arranged in heating and ventilating equipment linkage control circuit 200 switch control module 220, is used for controlling Heating and ventilating equipment 30 processed works, and heating and ventilating equipment inter-linked controlling method comprises the following steps:
Step S310, the compression being detected described heating and ventilating equipment 30 by described current detection module 210 is dynamo-electric The electric current of source line 32 output detections information.Specifically, by the coordinated signals electric current 200 of heating and ventilating equipment Current detection module 210 detect the electric current of compressor power line 32 the output detections letter of heating and ventilating equipment 30 Breath.Structure and the principle of work and power thereof of current detection module 210 are as it has been described above, repeat no more here.
Step S320, judge the described heating and ventilating equipment 30 being detected according to described detection information is on shape State or closed mode.Specifically, the switch control module 220 of the coordinated signals electric current 200 of heating and ventilating equipment Receive this detection information, the judgment means 300 of switch control module 220 according to the size of this detection information with Judge that detected heating and ventilating equipment 30 is in opening or in off position.When compressor power line 32 Electric current (i.e. detection information is more than zero) then thinks that heating and ventilating equipment 30 is opened successfully more than zero；When compression electromechanics The electric current of source line 32 is that zero (i.e. detection information is zero) then thinks that heating and ventilating equipment 30 cuts out successfully.
Step S330, it is judged that whether the heating and ventilating equipment of described opening operates in normal condition.Specifically, The operating power state of the heating and ventilating equipment 30 of opening is obtained by switch control module 220.Heating and ventilating equipment Whether normal operation state refers to heating and ventilating equipment 30 operates in rated power state, and abnormal state refers to It is that heating and ventilating equipment 30 breaks down, underpower can not meet performance need or the excessive (wave of power surplus Take the energy) etc. state.
Step 340, if the heating and ventilating equipment 30 of described opening operates in underpower state, then controls phase The described heating and ventilating equipment 30 answering the closed mode of quantity is opened.Specifically, by switch control module 220 Control the described opening and closing controlling switch 224 to want so that guarantee HVAC environment conjunction symbol is relevant to open heating and ventilating equipment 30 Ask.
Step 350, if the heating and ventilating equipment 30 of described opening operates in power surplus state, then controls phase The described heating and ventilating equipment 30 answering the opening of quantity cuts out.Specifically, by switch control module 220 Control the opening and closing of described control switch 224 to close heating and ventilating equipment 30 to reduce energy consumption.
Above-mentioned heating and ventilating equipment inter-linked controlling method detects the compressor power electric current of all heating and ventilating equipments 30 to sentence The open and-shut mode of disconnected detected heating and ventilating equipment 30, and the operation merit of the heating and ventilating equipment 30 according to opening Rate state is to control being turned on and off of corresponding heating and ventilating equipment 30, it is achieved that at the heating and ventilating equipment of opening The HVAC of 30 openings controlling respective numbers when can meet performance requirement and operate in power surplus state Equipment 30 closes to save energy consumption；If the heating and ventilating equipment of opening 30 fault or can not meet performance requirement Time, then the heating and ventilating equipment 30 of the closed mode controlling respective numbers is opened to ensure that HVAC environment closes and is accorded with relevant wanting Ask, it is achieved that the intelligence of heating and ventilating equipment 30, energy-saving and environmental protection Appropriate application, optimization collocation device resource, Decrease the waste of heating and ventilating equipment 30 resource.
Specifically, heating and ventilating equipment inter-linked controlling method controls switch 224 by switch control module 220 Opening and closing is turned on and off to control heating and ventilating equipment 30, current detection module 210, switch control module 220 and The more detailed embodiment controlling switch 224 describes as described above for described in the related embodiment of Fig. 5,6,7 and 8, Here repeat no more.
In the present embodiment, when performing step S320, it is judged that device 300 warms up detected according to detection information When the open and-shut mode of logical equipment 30 judges, when described detection information is zero, then it is assumed that this heating and ventilating equipment 30 is closed mode；When the information of detection is more than zero, then it is assumed that this heating and ventilating equipment 30 is opening.
In more detailed embodiment, with reference to Figure 10, step S340 includes step S210, step S220 With step S230, specific as follows:
Step S210, controls the described switch 224 that controls and closes the N second.Specifically, switch control module 220 Disconnect after the Guan Bi N second, in fact this step by controlling switch 224 (specifically controlling relay K 1) Suddenly being that simulated operation personnel manually touch the switch closedown with control heating and ventilating equipment 30 that touches the button, N is 2,3,4 Or 5.
Step S220, the compression being detected described heating and ventilating equipment 30 by described current detection module 210 is dynamo-electric The electric current of source line 32 output detections information are to judge whether described heating and ventilating equipment 30 closes.Specifically, exist Controlling after switch 224 disconnection again after the time delay M second, current detection module 210 detects compressor power line 32 Electric current and output detections information (information of voltage) to switch control module 220, switch control module 220 Judgment means 300 judge whether heating and ventilating equipment 30 is closed successfully according to this information of voltage, if closing successfully Then terminating, if being not turned off successfully, performing step S230.When the electric current of compressor power line 32 is more than zero (i.e. Detection information is more than zero) then think that heating and ventilating equipment 30 is opened successfully；When the electric current of compressor power line 32 is Zero (i.e. detection information is zero) then thinks that heating and ventilating equipment 30 cuts out successfully.
The electric current detecting compressor power line 32 after above-mentioned control switch 224 disconnection again after the time delay M second again is former Because of be heating and ventilating equipment in M time second being turned on and off process, the electric current of its compressor power line 32 In labile state, now detection can affect the accuracy of detection, so detects compressor after the M second again The electric current of power line 32 improves the accuracy of detection, it is ensured that the stablizing of systematic function.It is understood that The size of M sets, e.g. 5 seconds, 10 seconds according to the process that the is turned on and off required time of heating and ventilating equipment Deng the time.
Step S230, if heating and ventilating equipment 30 is not turned off successfully, then repeated execution of steps S210, described control The described step of switch 224 Guan Bi N second that controls is until described heating and ventilating equipment 30 is closed.Specifically, may be used Be arranged on closedown unsuccessful in the case of, the most just can exit with repeated execution of steps S210 this closedown warm up The program of logical equipment 30, this can make 10 times, 20 inferior number of times several times.
In more detailed embodiment, with reference to Figure 11, step S350 includes step S240, step S250 With step S260, particularly as follows:
Step S240, controls the described switch 224 that controls and closes the N second.Specifically, switch control module 220 Disconnect after the Guan Bi N second, in fact this step by controlling switch 224 (specifically controlling relay K 1) Suddenly being that simulated operation personnel manually touch the switch unlatching with control heating and ventilating equipment 30 that touches the button, N is 2,3,4 Or 5.
Step S250, the compression being detected described heating and ventilating equipment 30 by described current detection module 210 is dynamo-electric The electric current of source line 32 output detections information are to judge whether described heating and ventilating equipment 30 is opened.Specifically, exist Controlling after switch 224 disconnection again after the time delay M second, current detection module 210 detects compressor power line 32 Electric current and output detections information (information of voltage) to switch control module 220, switch control module 220 Judgment means 300 judge whether heating and ventilating equipment 30 is unlocked successfully according to this information of voltage, if opening successfully Then terminating, if not opening successfully, performing step S260.When the electric current of compressor power line 32 is more than zero (i.e. Detection information is more than zero) then think that heating and ventilating equipment 30 is opened successfully；When the electric current of compressor power line 32 is Zero (i.e. detection information is zero) then thinks that heating and ventilating equipment 30 cuts out successfully.
The electric current detecting compressor power line 32 after above-mentioned control switch 224 disconnection again after the time delay M second again is former Because of be heating and ventilating equipment in M time second being turned on and off process, the electric current of its compressor power line 32 In labile state, now detection can affect the accuracy of detection, so detects compressor after the M second again The electric current of power line 32 improves the accuracy of detection, it is ensured that the stablizing of systematic function.It is understood that The size of M sets, e.g. 5 seconds, 10 seconds according to the process that the is turned on and off required time of heating and ventilating equipment Deng the time.
Step S260, if heating and ventilating equipment 30 is not opened successfully, then repeated execution of steps S240, described control The described step of switch 224 Guan Bi N second that controls is until described heating and ventilating equipment 30 is unlocked.Specifically, may be used Be arranged on unlatching unsuccessful in the case of, the most just can exit with repeated execution of steps S240 this unlatching warm up The program of logical equipment 30, this can make 10 times, 20 inferior number of times several times.
Above-mentioned heating and ventilating equipment inter-linked controlling method detects all heating and ventilating equipments 30 by current detection module 210 Compressor power electric current to judge the open and-shut mode of detected heating and ventilating equipment 30, and according to opening The operation power rating of heating and ventilating equipment 30 is to control being turned on and off of corresponding heating and ventilating equipment 30, it is achieved that Control corresponding when heating and ventilating equipment 30 in opening can meet performance requirement and operate in power surplus state The heating and ventilating equipment 30 of the opening of quantity cuts out to save energy consumption；If the heating and ventilating equipment of opening 30 event When hindering or can not meet performance requirement, then the heating and ventilating equipment 30 of the closed mode controlling respective numbers is opened to protect Barrier HVAC environment closes symbol related request, it is achieved that the intelligence of heating and ventilating equipment 30, energy-saving and environmental protection Appropriate application, Optimization collocation device resource, decreases the waste of heating and ventilating equipment 30 resource.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention Protection domain within.

Claims (17)

1. a linkage control circuit for heating and ventilating equipment, its be connected to main heating and ventilating equipment and standby heating and ventilating equipment it Between, in order to control being turned on and off of described standby heating and ventilating equipment；It is characterized in that, described coordinated signals electricity Road includes:
Current detection module, this current detection module is connected with the compressor power line of described standby heating and ventilating equipment, In order to detect electric current the output detections information of described compressor power line；
Switch control module, this switch control module and described current detection module and described standby heating and ventilating equipment Electrical connection, in order to receive the detection information of described current detection module output and to judge according to described detection information Described standby heating and ventilating equipment is in opening or closed mode；And
Controlling switch, this control switch is connected on the on-off circuit of described standby heating and ventilating equipment, described switch Control module according to the power rating of described main heating and ventilating equipment by controlling the opening and closing of this control switch to control institute State being turned on and off of standby heating and ventilating equipment.
2. the linkage control circuit of heating and ventilating equipment as claimed in claim 1, it is characterised in that described control Switch is relay, and the input of described switch control module is connected with the outfan of described current detection module, The outfan of described switch control module is connected with the coil of described relay, the normally opened contact of described relay Being connected to the two ends of the switch of described standby heating and ventilating equipment, described switch control module receives described detection information And the closed and disconnected of the normally opened contact of described relay is controlled according to the power rating of described main heating and ventilating equipment.
3. the linkage control circuit of heating and ventilating equipment as claimed in claim 2, it is characterised in that described switch Control module includes control chip and relay drive circuit, the input of described control chip and described electric current The outfan of detection module connects, the outfan of described control chip and the input of described relay drive circuit End connects, and the outfan of the drive circuit of described relay is connected with the coil of described relay.
4. the linkage control circuit of heating and ventilating equipment as claimed in claim 3, it is characterised in that described control Chip includes:
According to described detection information, judgment means, judges that described standby heating and ventilating equipment is in opening and still closes Closed state, wherein, when described detection information is zero, the most described standby heating and ventilating equipment is closed mode, when When described detection information is more than zero, the most described standby heating and ventilating equipment is opening.
5. the linkage control circuit of the heating and ventilating equipment as described in any one of Claims 1-4, it is characterised in that Described current detection module includes current transformer, commutation diode, the first divider resistance, the second dividing potential drop electricity Resistance, clamp diode, current-limiting resistance, the first filter capacitor and the second filter capacitor, wherein,
Described current transformer senses the electric current on described compressor power line, the first of described current transformer End is connected with the anode of described commutation diode, the second end ground connection；
The negative electrode of described commutation diode is connected with the first end of described first divider resistance, described first dividing potential drop Second end of resistance respectively by described first filter capacitor and the second divider resistance ground connection and with described pincers The anode of position diode connects, and the negative electrode of described clamp diode and a DC source connect；
First end of described current-limiting resistance is connected with the second end of described first divider resistance, described current-limiting resistance The second end as the outfan of described current detection module and by described second filter capacitor ground connection.
6. a coordinated control system for heating and ventilating equipment, including at least two heating and ventilating equipment, described at least two Heating and ventilating equipment includes main heating and ventilating equipment and standby heating and ventilating equipment, it is characterised in that described coordinated control system is also Linkage control circuit including the heating and ventilating equipment as described in any one of claim 1 to 5.
7. a heating and ventilating equipment linkage control circuit, is connected between at least two heating and ventilating equipment, in order to control Being turned on and off of described heating and ventilating equipment；It is characterized in that, described linkage control circuit includes:
Current detection module, this current detection module is connected with the compressor power line of described heating and ventilating equipment, uses To detect electric current the output detections information of described compressor power line；
Switch control module, this switch control module is electrically connected with described current detection module and described heating and ventilating equipment Connect, in order to receive the detection information of described current detection module output and to judge according to described detection information described Heating and ventilating equipment be in opening or closed mode, and described switch control module is according to opening Described heating and ventilating equipment is that the power rating of underpower or power headroom surplus controls opening of corresponding heating and ventilating equipment Open or close.
8. heating and ventilating equipment linkage control circuit as claimed in claim 7, it is characterised in that described switch control Molding block includes control unit and controls switch, the input of described control unit and described current detecting mould The outfan of block connects, and the described switch that controls is connected on the on-off circuit of described heating and ventilating equipment, described control Unit receives described detection information and the power rating according to described heating and ventilating equipment controls closing of described control switch Close and disconnect controlling being turned on and off of described heating and ventilating equipment.
9. heating and ventilating equipment linkage control circuit as claimed in claim 8, it is characterised in that described control list Unit includes control chip and drive circuit, and the input of described control chip is defeated with described current detection module Going out end to connect, the outfan of described control chip is connected with the input of described drive circuit, described driving electricity The outfan on road is connected to drive the described Guan Bi controlling switch or disconnection with the described switch that controls.
10. heating and ventilating equipment linkage control circuit as claimed in claim 9, it is characterised in that described control Chip includes:
According to described detection information, judgment means, judges that described heating and ventilating equipment is in opening or to be in unlatching State or closed mode, wherein, when described detection information is zero, the most described heating and ventilating equipment is for cutting out shape State, when described detection information is more than zero, the most described heating and ventilating equipment is opening.
The 11. heating and ventilating equipment linkage control circuits as described in any one of claim 7 to 10, it is characterised in that Described current detection module includes current transformer, commutation diode, the first divider resistance, the second dividing potential drop electricity Resistance, clamp diode, current-limiting resistance, the first filter capacitor and the second filter capacitor, wherein,
Described current transformer senses the electric current on described compressor power line, the first of described current transformer End is connected with the anode of described commutation diode, the second end ground connection；
The negative electrode of described commutation diode is connected with the first end of described first divider resistance, described first dividing potential drop Second end of resistance respectively by described first filter capacitor and the second divider resistance ground connection and with described pincers The anode of position diode connects, and the negative electrode of described clamp diode and a DC source connect；
First end of described current-limiting resistance is connected with the second end of described first divider resistance, described current-limiting resistance The second end as the outfan of described current detection module and by described second filter capacitor ground connection.
12. 1 kinds of heating and ventilating equipment coordinated control systems, including at least two heating and ventilating equipment, it is characterised in that Described coordinated control system also includes the coordinated signals of the heating and ventilating equipment as described in any one of claim 7 to 11 Circuit.
The control method of 13. 1 kinds of coordinated control systems based on heating and ventilating equipment described in claim 6, it is special Levy and be, comprise the following steps:
The electric current of compressor power line of described standby heating and ventilating equipment defeated is detected by described current detection module Go out detection information；
Judge that described standby heating and ventilating equipment is in opening or closed mode according to described detection information；
If so, and shape opened by described standby heating and ventilating equipment judge that described main heating and ventilating equipment power is whether enough, State then controls the described opening and closing controlling to switch to close described standby heating and ventilating equipment；If it is not, and described HVAC set For the most then controlling the described opening and closing controlling to switch to open described standby heating and ventilating equipment.
14. control methods as claimed in claim 13, it is characterised in that described according to described detection information Judge described standby heating and ventilating equipment be in opening or the step of closed mode particularly as follows:
When described detection information is zero, the most described standby heating and ventilating equipment is closed mode；
When described detection information is more than zero, the most described standby heating and ventilating equipment is opening.
15. control methods as described in claim 13 or 14, it is characterised in that the described control of described control System switch opening and closing with close described standby heating and ventilating equipment step particularly as follows:
Control the described switch that controls and close the N second；
Judge whether the detection information that the detection of described current detection module exports is zero, the most described standby Heating and ventilating equipment cuts out successfully；
If it is not, then repeat the described step of switch Guan Bi N second that controls of described control until described standby HVAC sets For being closed；
Described control described control switch opening and closing with open described standby heating and ventilating equipment step particularly as follows:
Control the described switch that controls and close the N second；
Judge detection information that described current detection module exports whether more than zero, the most described standby warm Logical opening of device success；
If it is not, then repeat the described step of switch Guan Bi N second that controls of described control until described standby HVAC sets For being unlocked.
16. 1 kinds of control methods based on the heating and ventilating equipment coordinated control system described in claim 12, it is special Levy and be, comprise the following steps:
Detected the electric current of the compressor power line of described heating and ventilating equipment by described current detection module and export inspection Measurement information；
Judge that detected described heating and ventilating equipment is in opening and still cuts out shape according to described detection information State；
Judge whether the heating and ventilating equipment of described opening operates in normal condition, if described opening is warm Logical equipment operates in underpower state, then the described heating and ventilating equipment of the closed mode controlling respective numbers is opened； If the heating and ventilating equipment of described opening operates in power surplus state, then control the opening of respective numbers Described heating and ventilating equipment close.
17. control methods as claimed in claim 16, it is characterised in that described according to described detection information Judge described heating and ventilating equipment be in opening or the step of closed mode particularly as follows:
When described detection information is zero, the most described heating and ventilating equipment is closed mode；
When described detection information is more than zero, the most described heating and ventilating equipment is opening.
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CN105446198A (en) * 2015-12-28 2016-03-30 余镓乐 Linkage control method and system
CN105826909A (en) * 2016-05-24 2016-08-03 珠海格力电器股份有限公司 Charging circuit for converters, converter, and air conditioner
CN107065963A (en) * 2017-06-02 2017-08-18 安徽宝龙环保科技有限公司 A kind of temperature control and protection circuit for semiconductor chilling plate

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