CN2689107Y - Control system of air cooling tubular apparatus - Google Patents
Control system of air cooling tubular apparatus Download PDFInfo
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- CN2689107Y CN2689107Y CN 200420014913 CN200420014913U CN2689107Y CN 2689107 Y CN2689107 Y CN 2689107Y CN 200420014913 CN200420014913 CN 200420014913 CN 200420014913 U CN200420014913 U CN 200420014913U CN 2689107 Y CN2689107 Y CN 2689107Y
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Abstract
The utility model relates to a control system of air cooling tubular apparatus, comprising a power circuit (1), a CPU (2), a communication interface circuit (3), a parameter setting circuit (4), a temperature detecting circuit (5), a working detection circuit (6), a load controlling circuit (7) and an infrared remote control receiving circuit (8). Wherein, the power circuit (1) is connected with the CPU (2), the communication interface circuit (3), the parameter setting circuit (4), the temperature detecting circuit (5), the working detection circuit (6), the load controlling circuit (7) and the infrared remote control receiving circuit (8) respectively, the output terminals of the parameter setting circuit (4), the temperature detecting circuit (5) and the working detection circuit (6) are connected with the input terminal of the CPU (2), and the output terminal of the CPU (2) is connected with the input terminal of the load controlling circuit (7). The utility model has a large communication information amount, an easy managing of the manufacture, a higher flexibility, an artful design, a simple structure, a convenient use and is safe, reliable and practical.
Description
1, technical field:
The utility model is a kind of one-to-one air-cooled pipeline machine control system, belongs to the innovative technology of one-to-one air-cooled pipeline machine control system.
2, background technology:
In the one-to-one air-cooled pipeline unit control system of present domestic use line traffic control close and indoor set between the communication overwhelming majority adopt directly and to close the pattern that button sends signal by line traffic control and carry out, cause communication distance less than 5 meters, install and use very inconvenient, also have line traffic control close and indoor set between communication adopt the RS-232 pattern to carry out communication, simultaneously indoor set is when carrying out multiple miscellaneous function control, often can't be compatible, and when compressor is heat pump, need to increase an off-premises station control panel, cause production cost to increase substantially, there is following defective:
(1) the indoor set control system can't realize intelligent port.
Can't control when the communication distance between (2) indoor set and line traffic control are closed surpasses 5 meters, cause installing and using very difficulty.
(3) indoor set renews wind devices in control and need change different control systems with air grid during with pumping motor, but it is higher to cause manufacturing process management complexity cost.
(4) when off-premises station breaks down, fault message can't be passed to line traffic control and close communication.
When (5) compressor is heat pump, must increase an off-premises station control panel, cause manufacturing cost to increase considerably.
3, summary of the invention:
The purpose of this utility model is to overcome above-mentioned shortcoming and provides a kind of is that core design goes out one-to-one air-cooled pipeline machine control system by means of communication interface circuit and central processing unit.The utility model design is ingenious, simple in structure, convenient and practical, and security is good.
Theory diagram of the present utility model as shown in drawings, include power circuit (1), CPU (2), communication interface circuit (3), parameter initialization circuit (4), temperature sensing circuit (5), operation detection circuit (6), load control circuit (7), infrared remote control receiving circuit (8), wherein power circuit (1) respectively with CPU (2), communication interface circuit (3), parameter initialization circuit (4), temperature sensing circuit (5), operation detection circuit (6), load control circuit (7), infrared remote control receiving circuit (8) connects, and parameter initialization circuit (4), temperature sensing circuit (5), the output of operation detection circuit (6) is connected with the input of CPU (2), and the output of CPU (2) is connected with the input of load control circuit (7).
The reset circuit of the central processing unit IC2 that above-mentioned CPU (2) includes central processing unit IC2, be made up of T1, R21, R22, R20, C12, the crystal oscillating circuit of the central processing unit IC2 that forms by C10, C11, CRY1, R19, the filtering of the central processing unit IC2 capacitor C 9 of uncoupling.
Above-mentioned communication interface circuit (3) is RS-485 communication interface ic chip 3, resistance R 13, R14, R15, R40, R41, magnetic bead L1, L2; 10 pin and 11 pin (serial port) and 12 pin of the serial data of IC3 by central processing unit IC2 are read and write control to it; R13 is the data wire pull-up resistor; R14, R15 are the input/output terminal pull-up resistor; R15 is for preventing self-oscillation resistance; R40, R41 are short-circuit protection resistance, and L1, L2 magnetic bead composition prevent interfered circuit.
Above-mentioned parameter initialization circuit (4) includes the resistor voltage divider network of being made up of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, and pressure-dividing output voltage controls and deliver to 26 pin of central processing unit IC2 by K switch 1, K2.
Said temperature testing circuit (5) includes environment temperature sensor CN4 and coil temperature sensor CN5, resistance R 17, R18, R17 and R18 form bleeder circuit with environment temperature sensor CN4 and coil temperature sensor CN5 respectively, and the magnitude of voltage of formation is delivered to 27 and 28 pin of central processing unit IC2 respectively.。
Above-mentioned environment temperature sensor CN4 and coil temperature sensor CN5 are thermistor.
Above-mentioned operation detection circuit (6) includes circuit of testing the phase sequence (61), low-voltage testing circuit (62), high-voltage detecting circuit (63), protection water level detection circuit (64), end water level detection circuit (65), and circuit of testing the phase sequence (61), low-voltage testing circuit (62), high-voltage detecting circuit (63), protection water level detection circuit (64), end water level detection circuit (65) are connected in parallel on the pin of central processing unit IC2.
Above-mentioned circuit of testing the phase sequence (61) includes halfwave rectifier diode D13, filter capacitor C30, C31, current-limiting resistance R32, photoelectronic coupler IC8; Low-voltage testing circuit (62) includes halfwave rectifier diode D12, filter capacitor C27, C28, current-limiting resistance R30, photoelectronic coupler IC10; High-voltage detecting circuit (63) includes halfwave rectifier diode D11, filter capacitor C24, C25, current-limiting resistance R28, photoelectronic coupler IC9; Protection water level detection circuit (64) includes halfwave rectifier diode D10, filter capacitor C21, C22, current-limiting resistance R26, photoelectronic coupler IC7; End water level detection circuit (65) includes halfwave rectifier diode D9, filter capacitor C18, C19, current-limiting resistance R24, photoelectronic coupler IC6; The voltage of phase sequence plate output detects the CN1 end through phase sequence and produces dc pulse moving voltage by the D13 halfwave rectifier and by C31, C30 filtering, make its conducting through the R32 current limliting by photoelectronic coupler IC8, move the voltage of R31 and C29 connection to low level, 24 pin of central processing unit IC2 detect the voltage height of R31 and C29 connection; Alternating voltage produces dc pulse moving voltage by D11, D12 halfwave rectifier and by C27, C28, C24, C25 filtering respectively, make its conducting through R30, R28 current limliting by photoelectronic coupler IC10, IC9, move the voltage of R29 and C26 and R27 and C23 connection to low level, 25 pin of central processing unit IC2 and 9 pin detect the voltage of R29 and C26 and R27 and C23 connection; Alternating voltage produces dc pulse moving voltage through the D9 halfwave rectifier and by C18, C19 filtering, make its conducting through the R24 current limliting by photoelectronic coupler IC6, move the voltage of R23 and C17 connection to low level, 6 pin of central processing unit IC2 detect the voltage of R23 and C17 connection; Alternating voltage produces dc pulse moving voltage through the D10 halfwave rectifier and by C21, C22 filtering, make its conducting through the R26 current limliting by photoelectronic coupler IC7, move the voltage of R25 and C20 connection to low level, 7 pin of central processing unit IC2 detect the voltage of R25 and C20 connection.
Above-mentioned load control circuit (7) includes ic chip 5, triode Q1, Q2, Q3, hold stream diode D14, D15, D16, resistance R 36, R37, R38, R39 and some relay J, wherein the input pin of IC5 is connected with 15,17,18,20,21,22,23 pin of central processing unit IC2, the output connecting pin of IC5 is connected with some relay J, and the live wire of corresponding AC220V voltage is exported in the contact of relay; 13,14,16 pin of central processing unit IC2 are connected with the base stage of triode Q1, Q2, Q3 respectively, and export the live wire of corresponding AC220V voltage by the contact of relay, the grounded emitter of triode Q1, Q2, Q3, the colelctor electrode of triode Q1, Q2, Q3 is connected and is connected with resistance R 37, R38, R39 with the anode that holds stream diode D14, D15, D16 respectively, and the negative electrode that holds stream diode D14, D15, D16 is connected with power supply and is connected with signal output apparatus CN8.
1 pin that above-mentioned infrared remote control receiving circuit (8) includes an infrared remote control reception A, an infrared remote control reception A passes the signal to 19 pin of central processing unit IC2, central processing unit IC2 carries out corresponding work according to the signal instruction that receives, and filter capacitor C7, C8 are connected in parallel on 2,3 pin that infrared remote control receives an A.
The utility model is that core design goes out one-to-one air-cooled pipeline machine control system by means of RS-485 communication network and 8 single-chip microcomputers, its utilize single-chip microcomputer by the programming Control communication network and line traffic control is closed and indoor set and off-premises station between communication, it is big to have the communication information amount, safe and reliable, it is single cold type or pump type heat that while can select to control compressor, whether control new wind devices and pumping motor and air grid, and has the infrared remote control receiving function; Adjust simultaneously the speed of blower fan according to the variation of the variation of environment temperature and indoor coil pipe; When being set at heat pump, the whether frosting of off-premises station fin is judged according to the rate of change of indoor set coil temperature by system, whether needs defrost, simultaneously to off-premises station high voltage fault and low voltage failure and phase sequence mistake, phase shortage, the low excessively detection of dynamic of carrying out of certain phase voltage; Outdoor compressor, four same valves, blower fan are controlled, thereby realized the purpose that indoor set and off-premises station are controlled by a control panel.The utility model has solved indoor set and line traffic control and has closed communication distance problem with off-premises station, when compressor is heat pump, indoor set and off-premises station control panel merge on the indoor set control panel, cause cost in the production process that by a relatively large margin decline is arranged, install simple, when the control of indoor set requires to change, do not need to change control system, need only change parameter and set and can finish, be easy to management in the manufacturing, flexibility is higher.The utility model is that a kind of design is ingenious, simple in structure, convenient and practical one-to-one air-cooled pipeline machine control system.
4, description of drawings:
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the circuit diagram of power circuit in the utility model (1);
Fig. 3 is the circuit diagram of CPU in the utility model (2);
Fig. 4 is the circuit diagram of communication interface circuit (3) in the utility model;
Fig. 5 is the circuit diagram of parameter initialization circuit (4) in the utility model;
Fig. 6 is the circuit diagram of temperature sensing circuit in the utility model (5);
Fig. 7 is the circuit diagram of operation detection circuit (6) in the utility model;
Fig. 8 is the circuit diagram of load control circuit in the utility model (7);
Fig. 9 is the circuit diagram of infrared remote control receiving circuit (8) in the utility model.
5, the specific embodiment:
Embodiment 1:
Theory diagram of the present utility model as shown in Figure 1, include power circuit (1), CPU (2), communication interface circuit (3), parameter initialization circuit (4), temperature sensing circuit (5), operation detection circuit (6), load control circuit (7), infrared remote control receiving circuit (8), wherein power circuit (1) respectively with CPU (2), communication interface circuit (3), parameter initialization circuit (4), temperature sensing circuit (5), operation detection circuit (6), load control circuit (7), infrared remote control receiving circuit (8) connects, and parameter initialization circuit (4), temperature sensing circuit (5), the output of operation detection circuit (6) is connected with the input of CPU (2), and the output of CPU (2) is connected with the input of load control circuit (7).
The filter circuit that above-mentioned power circuit (1) includes the full-wave rectifier rectification circuit be made up of D1, D2, D3, D4 commutation diode and the full-wave rectifier rectification circuit of being made up of D4, D5, D6, D8 commutation diode, be made up of filter capacitor C1, C2, by the mu balanced circuit that three terminal regulator IC4 forms, reach the filter circuit of forming by filter capacitor C5, C6 by filter capacitor C3, C4.
The reset circuit of the central processing unit IC2 that above-mentioned CPU (2) includes central processing unit IC2, be made up of T1, R21, R22, R20, C12, the crystal oscillating circuit of the central processing unit IC2 that forms by C10, C11, CRY1, R19, the filtering of the central processing unit IC2 capacitor C 9 of uncoupling.
Above-mentioned communication interface circuit (3) is RS-485 communication interface ic chip 3, resistance R 13, R14, R15, R40, R41, magnetic bead L1, L2; 10 pin and 11 pin (serial port) and 12 pin of the serial data of IC3 by central processing unit IC2 are read and write control to it; R13 is the data wire pull-up resistor; R14, R15 are the input/output terminal pull-up resistor; R15 is for preventing self-oscillation resistance; R40, R41 are short-circuit protection resistance, and L1, L2 magnetic bead composition prevent interfered circuit.
Above-mentioned parameter initialization circuit (4) includes the resistor voltage divider network of being made up of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, and pressure-dividing output voltage controls and deliver to 26 pin of central processing unit IC2 by K switch 1, K2.
Said temperature testing circuit (5) includes environment temperature sensor CN4 and coil temperature sensor CN5, resistance R 17, R18, R17 and R18 form bleeder circuit with environment temperature sensor CN4 and coil temperature sensor CN5 respectively, and the magnitude of voltage of formation is delivered to 27 and 28 pin of central processing unit IC2 respectively.。
Above-mentioned environment temperature sensor CN4 and coil temperature sensor CN5 are thermistor.
Above-mentioned operation detection circuit (6) includes circuit of testing the phase sequence (61), low-voltage testing circuit (62), high-voltage detecting circuit (63), protection water level detection circuit (64), end water level detection circuit (65), and circuit of testing the phase sequence (61), low-voltage testing circuit (62), high-voltage detecting circuit (63), protection water level detection circuit (64), end water level detection circuit (65) are connected in parallel on the pin of central processing unit IC2.
Above-mentioned circuit of testing the phase sequence (61) includes halfwave rectifier diode D13, filter capacitor C30, C31, current-limiting resistance R32, photoelectronic coupler IC8; Low-voltage testing circuit (62) includes halfwave rectifier diode D12, filter capacitor C27, C28, current-limiting resistance R30, photoelectronic coupler IC10; High-voltage detecting circuit (63) includes halfwave rectifier diode D11, filter capacitor C24, C25, current-limiting resistance R28, photoelectronic coupler IC9; Protection water level detection circuit (64) includes halfwave rectifier diode D10, filter capacitor C21, C22, current-limiting resistance R26, photoelectronic coupler IC7; End water level detection circuit (65) includes halfwave rectifier diode D9, filter capacitor C18, C19, current-limiting resistance R24, photoelectronic coupler IC6; The voltage of phase sequence plate output detects the CN1 end through phase sequence and produces dc pulse moving voltage by the D13 halfwave rectifier and by C31, C30 filtering, make its conducting through the R32 current limliting by photoelectronic coupler IC8, move the voltage of R31 and C29 connection to low level, 24 pin of central processing unit IC2 detect the voltage height of R31 and C29 connection; Alternating voltage produces dc pulse moving voltage by D11, D12 halfwave rectifier and by C27, C28, C24, C25 filtering respectively, make its conducting through R30, R28 current limliting by photoelectronic coupler IC10, IC9, move the voltage of R29 and C26 and R27 and C23 connection to low level, 25 pin of central processing unit IC2 and 9 pin detect the voltage of R29 and C26 and R27 and C23 connection; Alternating voltage produces dc pulse moving voltage through the D9 halfwave rectifier and by C18, C19 filtering, make its conducting through the R24 current limliting by photoelectronic coupler IC6, move the voltage of R23 and C17 connection to low level, 6 pin of central processing unit IC2 detect the voltage of R23 and C17 connection; Alternating voltage produces dc pulse moving voltage through the D10 halfwave rectifier and by C21, C22 filtering, make its conducting through the R26 current limliting by photoelectronic coupler IC7, move the voltage of R25 and C20 connection to low level, 7 pin of central processing unit IC2 detect the voltage of R25 and C20 connection.
Above-mentioned load control circuit (7) includes ic chip 5, triode Q1, Q2, Q3, hold stream diode D14, D15, D16, resistance R 36, R37, R38, R39 and some relay J, wherein the input pin of IC5 is connected with 15,17,18,20,21,22,23 pin of central processing unit IC2, the output connecting pin of IC5 is connected with some relay J, and the live wire of corresponding AC220V voltage is exported in the contact of relay; 13,14,16 pin of central processing unit IC2 are connected with the base stage of triode Q1, Q2, Q3 respectively, and export the live wire of corresponding AC220V voltage by the contact of relay, the grounded emitter of triode Q1, Q2, Q3, the colelctor electrode of triode Q1, Q2, Q3 is connected and is connected with resistance R 37, R38, R39 with the anode that holds stream diode D14, D15, D16 respectively, and the negative electrode that holds stream diode D14, D15, D16 is connected with power supply and is connected with signal output apparatus CN8.
1 pin that above-mentioned infrared remote control receiving circuit (8) includes an infrared remote control reception A, an infrared remote control reception A passes the signal to 19 pin of central processing unit IC2, central processing unit IC2 carries out corresponding work according to the signal instruction that receives, and filter capacitor C7, C8 are connected in parallel on 2,3 pin that infrared remote control receives an A.
During the utility model work, the AC220V alternating current is imported by CN (IN), live wire (L) F is divided into 2 the tunnel, one the tunnel delivers to the control relay common through FUSE2 (fuse), another road absorbs the input of electrical network pulse interference signal to transformer through FUSE1 (fuse) by piezo-resistance VR1 absorption electrical network surge voltage and CX safety electric capacity, zero line (N) is to the other end of transformer, transformer is exported 2 groups of voltages, one group by D4, D5, D6, the full-wave rectifier rectification that the D8 commutation diode is formed, again through C1, produce the 9V dc source behind the C2 capacitor filtering, by IC4 (7805) three terminal regulator voltage stabilizing, C3, generation+5V dc source after the C4 filtering, simultaneously export this group alternating voltage, use such as close for line traffic control by CN3; The full-wave rectifier rectification that another group is made up of D1, D2, D3, D4 commutation diode produces the 12V dc source again behind C5, C6 capacitor filtering, wherein AC1-B and AC1-A are the testing circuit power supply.
In the CPU (2), central processing unit IC2 is TMP86C807, and in the communication interface circuit (3), IC3 is 75176.In the temperature sensing circuit (5), environment temperature sensor and coil temperature sensor are selected the 10K thermosensitive resistance type for use.
In the parameter initialization circuit (4), R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 form resistor voltage divider network, and pressure-dividing output voltage is controlled by K1, K2, and deliver to 26 pin of central processing unit IC2.The control signal truth table is as follows:
| Sequence number | Switch bit | Open/ | Function | ||
| 1 | | 1 | Open | Heat pump | |
| Close | Dan Leng | ||||
| 2 | 2 | Open | Remote control | ||
| Close | Not | ||||
| 3 | 3 | Open | Control new wind | ||
| Close | Do not control | ||||
| 4 | K2 | 1 | Open | The control air grid | |
| Close | Do not control air grid | ||||
| 5 | 2 | Open | Control pumping motor and sensed water level | ||
| Close | Do not control pumping motor and sensed water level | ||||
| 6 | 3 | Open | Detect phase sequence | ||
| Close | Do not detect phase sequence | ||||
In the operation detection circuit (6), when phase sequence is correct, the voltage of phase sequence plate output detects the CN1 end through phase sequence and produces dc pulse moving voltage by the D13 halfwave rectifier and by C31, C30 filtering, make its conducting through the R32 current limliting by IC8 (photoelectronic coupler), move the voltage of R31 and C29 connection to low level, the proof phase sequence was correct when 24 pin of central processing unit IC2 detected this low level, system can start working, if proof phase sequence mistake during high level, system does not work, and sends corresponding failure alarm signal.
System high pressure and low pressure are just often, high-voltage switch gear and low tension switch closure, this moment, high pressure detected CN1 and low pressure detection CN1 difference closure, alternating voltage is D11 respectively, D12 halfwave rectifier and by C27, C28, C24, C25 filtering produces dc pulse moving voltage, through R30, the R28 current limliting is by IC10 (photoelectronic coupler), IC9 (photoelectronic coupler) makes its conducting, move the voltage of R29 and C26 and R27 and C23 connection to low level, proof system high pressure and low pressure were just often when 25 pin of central processing unit IC2 and 9 pin detected this low level, system can start working, if any end is when being high level or simultaneously for high level the time, system does not work, and sends corresponding failure alarm signal.
When the low water level sense switch is closed, 1 pin of CN7 and 2 pin short circuits alternating voltage this moment produce dc pulse moving voltage through the D9 halfwave rectifier and by C18, C19 filtering, make its conducting through the R24 current limliting by IC6 (photoelectronic coupler), move the voltage of R23 and C17 connection to low level, the proof water level had reached low water level when 6 pin of central processing unit IC2 detected this low level, this moment, water pump was started working, when 6 pin of central processing unit IC2 detected high level, water pump stopped after working on 1 minute; When the protection water level detection switch is closed; 3 pin of CN7 and 2 pin short circuits alternating voltage this moment produce dc pulse moving voltage through the D10 halfwave rectifier and by C21, C22 filtering; make its conducting through the R26 current limliting by IC7 (photoelectronic coupler); move the voltage of R25 and C20 connection to low level; the proof water level had reached high water level protection point when 7 pin of central processing unit IC2 detected this low level; this moment, water pump was started working, and system is quit work, and sent corresponding failure alarm signal simultaneously.
In the load control circuit (7), IC5 is ULN2003, when 15,17,18,20,21,22,23 pin of central processing unit IC2 are exported high level respectively, export corresponding high level by the IC5 transistor array, make the corresponding relays adhesive, and export the live wire of corresponding AC220V voltage by the contact of relay; When 13,14,16 pin of central processing unit IC2 are exported high level respectively, triode Q1, Q2, Q3 enter the saturation region respectively, make that electricity auxilliary heat, draws water, wind relay adhesive newly, and export the live wire of corresponding AC220V voltage by the contact of relay, D14, D15, D16 are for holding the stream diode, and R36, R37, R38, R39 and CN8 form corresponding signal output apparatus.
In the infrared remote control receiving circuit (8), infrared remote control receives head after receiving infrared remote-controlled signal, receive 19 pin that 1 pin passes the signal to central processing unit IC2 through infrared remote control, central processing unit IC2 carries out corresponding work according to the signal instruction that receives.
Claims (10)
1, a kind of one-to-one air-cooled pipeline machine control system, it is characterized in that including power circuit (1), CPU (2), communication interface circuit (3), parameter initialization circuit (4), temperature sensing circuit (5), operation detection circuit (6), load control circuit (7), infrared remote control receiving circuit (8), wherein power circuit (1) respectively with CPU (2), communication interface circuit (3), parameter initialization circuit (4), temperature sensing circuit (5), operation detection circuit (6), load control circuit (7), infrared remote control receiving circuit (8) connects, and parameter initialization circuit (4), temperature sensing circuit (5), the output of operation detection circuit (6) is connected with the input of CPU (2), and the output of CPU (2) is connected with the input of load control circuit (7).
2, one-to-one air-cooled pipeline machine control system according to claim 1, it is characterized in that above-mentioned CPU (2) includes central processing unit IC2, the reset circuit of the central processing unit IC2 that is made up of T1, R21, R22, R20, C12, the crystal oscillating circuit of the central processing unit IC2 that forms by C10, C11, CRY1, R19, the filtering of the central processing unit IC2 capacitor C 9 of uncoupling.
3, one-to-one air-cooled pipeline machine control system according to claim 1; it is characterized in that above-mentioned communication interface circuit (3) is RS-485 communication interface ic chip 3, resistance R 13, R14, R15, R40, R41, magnetic bead L1, L2; 10 pin and 11 pin (serial port) and 12 pin of the serial data of IC3 by central processing unit IC2 are read and write control to it; R13 is the data wire pull-up resistor; R14, R15 are the input/output terminal pull-up resistor; R15 is for preventing self-oscillation resistance; R40, R41 are short-circuit protection resistance, and L1, L2 magnetic bead composition prevent interfered circuit.
4, one-to-one air-cooled pipeline machine control system according to claim 1, it is characterized in that above-mentioned parameter initialization circuit (4) includes the resistor voltage divider network of being made up of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, pressure-dividing output voltage controls and delivers to 26 pin of central processing unit IC2 by K switch 1, K2.
5, one-to-one air-cooled pipeline machine control system according to claim 1, it is characterized in that said temperature testing circuit (5) includes environment temperature sensor CN4 and coil temperature sensor CN5, resistance R 17, R18, R17 and R18 form bleeder circuit with environment temperature sensor CN4 and coil temperature sensor CN5 respectively, and the magnitude of voltage of formation is delivered to 27 and 28 pin of central processing unit IC2 respectively.。
6, one-to-one air-cooled pipeline machine control system according to claim 5 is characterized in that above-mentioned environment temperature sensor CN4 and coil temperature sensor CN5 are thermistor.
7, one-to-one air-cooled pipeline machine control system according to claim 1; it is characterized in that above-mentioned operation detection circuit (6) includes circuit of testing the phase sequence (61), low-voltage testing circuit (62), high-voltage detecting circuit (63), protection water level detection circuit (64), end water level detection circuit (65), circuit of testing the phase sequence (61), low-voltage testing circuit (62), high-voltage detecting circuit (63), protection water level detection circuit (64), end water level detection circuit (65) are connected in parallel on the pin of central processing unit IC2.
8, one-to-one air-cooled pipeline machine control system according to claim 7 is characterized in that above-mentioned circuit of testing the phase sequence (61) includes halfwave rectifier diode D13, filter capacitor C30, C31, current-limiting resistance R32, photoelectronic coupler IC8; Low-voltage testing circuit (62) includes halfwave rectifier diode D12, filter capacitor C27, C28, current-limiting resistance R30, photoelectronic coupler IC10; High-voltage detecting circuit (63) includes halfwave rectifier diode D11, filter capacitor C24, C25, current-limiting resistance R28, photoelectronic coupler IC9; Protection water level detection circuit (64) includes halfwave rectifier diode D10, filter capacitor C21, C22, current-limiting resistance R26, photoelectronic coupler IC7; End water level detection circuit (65) includes halfwave rectifier diode D9, filter capacitor C18, C19, current-limiting resistance R24, photoelectronic coupler IC6; The voltage of phase sequence plate output detects the CN1 end through phase sequence and produces dc pulse moving voltage by the D13 halfwave rectifier and by C31, C30 filtering, make its conducting through the R32 current limliting by photoelectronic coupler IC8, move the voltage of R31 and C29 connection to low level, 24 pin of central processing unit IC2 detect the voltage height of R31 and C29 connection; Alternating voltage produces dc pulse moving voltage by D11, D12 halfwave rectifier and by C27, C28, C24, C25 filtering respectively, make its conducting through R30, R28 current limliting by photoelectronic coupler IC10, IC9, move the voltage of R29 and C26 and R27 and C2 3 connections to low level, 25 pin of central processing unit IC2 and 9 pin detect the voltage of R29 and C26 and R27 and C23 connection; Alternating voltage produces dc pulse moving voltage through the D9 halfwave rectifier and by C18, C19 filtering, make its conducting through the R24 current limliting by photoelectronic coupler IC6, move the voltage of R23 and C17 connection to low level, 6 pin of central processing unit IC2 detect the voltage of R23 and C17 connection; Alternating voltage produces dc pulse moving voltage through the D10 halfwave rectifier and by C21, C22 filtering, make its conducting through the R26 current limliting by photoelectronic coupler IC7, move the voltage of R25 and C20 connection to low level, 7 pin of central processing unit IC2 detect the voltage of R25 and C20 connection.
9, one-to-one air-cooled pipeline machine control system according to claim 1, it is characterized in that above-mentioned load control circuit (7) includes ic chip 5, triode Q1, Q2, Q3, hold stream diode D14, D15, D16, resistance R 36, R37, R38, R39 and some relay J, wherein the input pin of IC5 is connected with 15,17,18,20,21,22,23 pin of central processing unit IC2, the output connecting pin of IC5 is connected with some relay J, and the live wire of corresponding AC220V voltage is exported in the contact of relay; 13,14,16 pin of central processing unit IC2 are connected with the base stage of triode Q1, Q2, Q3 respectively, and export the live wire of corresponding AC220V voltage by the contact of relay, the grounded emitter of triode Q1, Q2, Q3, the colelctor electrode of triode Q1, Q2, Q3 is connected and is connected with resistance R 37, R38, R39 with the anode that holds stream diode D14, D15, D16 respectively, and the negative electrode that holds stream diode D14, D15, D16 is connected with power supply and is connected with signal output apparatus CN8.
10, one-to-one air-cooled pipeline machine control system according to claim 1, it is characterized in that above-mentioned infrared remote control receiving circuit (8) includes infrared remote control and receives 19 pin that 1 pin that an A, infrared remote control receive an A passes the signal to central processing unit IC2, central processing unit IC2 carries out corresponding work according to the signal instruction that receives, and filter capacitor C7, C8 are connected in parallel on 2,3 pin that infrared remote control receives an A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014913 CN2689107Y (en) | 2004-01-16 | 2004-01-16 | Control system of air cooling tubular apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014913 CN2689107Y (en) | 2004-01-16 | 2004-01-16 | Control system of air cooling tubular apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN2689107Y true CN2689107Y (en) | 2005-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420014913 Expired - Fee Related CN2689107Y (en) | 2004-01-16 | 2004-01-16 | Control system of air cooling tubular apparatus |
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| CN (1) | CN2689107Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361390A (en) * | 2020-03-25 | 2020-07-03 | 广州华凌制冷设备有限公司 | Temperature detection module, drive control module and vehicle-mounted air conditioner |
-
2004
- 2004-01-16 CN CN 200420014913 patent/CN2689107Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361390A (en) * | 2020-03-25 | 2020-07-03 | 广州华凌制冷设备有限公司 | Temperature detection module, drive control module and vehicle-mounted air conditioner |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |