CN2781348Y - Diagnostic training equipment for failure of AC frequence converter heat pump split air conditioner - Google Patents
Diagnostic training equipment for failure of AC frequence converter heat pump split air conditioner Download PDFInfo
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- CN2781348Y CN2781348Y CNU2005200573758U CN200520057375U CN2781348Y CN 2781348 Y CN2781348 Y CN 2781348Y CN U2005200573758 U CNU2005200573758 U CN U2005200573758U CN 200520057375 U CN200520057375 U CN 200520057375U CN 2781348 Y CN2781348 Y CN 2781348Y
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Abstract
The utility model relates to diagnostic training equipment for failures of an AC frequency converter heat pump split air conditioner, which comprises an indoor machine controlling circuit board, an outdoor machine controlling circuit board and an outdoor machine main controlling circuit board. The utility model is characterized in that the utility model also comprises an indoor machine parameter measurement board, an outdoor machine parameter measurement board and a failure setting board which is provided with failure switches. Nine failure switches are led out from the indoor machine controlling circuit board through analysis and experiment comparison methods, four failure switches are led out from the outdoor machine controlling circuit board through the analysis and experiment comparison methods, and seven failure switches are led out from the outdoor machine main controlling circuit board through the analysis and experiment comparison methods. The utility model has the advantages of scientific design, multifunction integration refrigeration and electric control systems. All the circuit boards are centralized and installed on the front face of a training table so as to clearly show circuit diagram structures. Circuit diagrams are connected with the circuit boards, and the circuit diagrams and the circuit boards form one-to-one correspondence. As a consequence, users can acquire data, analyze waveform, realize maintenance and operation, etc. on the circuit diagrams.
Description
One, technical field
The utility model relates to a kind of AC frequency conversion heat pump split-type air conditioner fault diagnosis real training equipment.
Two, background technology
Domestic existing air-conditioning practical traning platform adopts simple refrigeration analogue means and fict air-conditioning equipment does not have good coupling; They adopt the constant speed system, can not demonstrate frequency conversion control technique, can't demonstrate the variable frequency adjustment process; Can only detect a few parameters and analyze operating condition; Can not regulate working medium flow, also can't analyze the influence of working medium flow operating condition; Though can utilize circuit diagram to show circuit structure, can not observe and direct contact circuit plate; It is based on display function, basically fault can not be set; Utility function is not strong, and poor operability does not possess integrated learning functions such as Refrigeration Technique, electronic control technology and converter technique.The similar practical traning platform technology of the Britain and the U.S. is better, but be commercial unit, they adopt cruise control, can measure few parameters, be mainly display function, few comparatively simple breakdown of refrigeration system can only be set, lack electrical malfunction function is set, can't system and in depth cultivate student's trouble diagnosibility.
Three, technology contents of the present utility model
The purpose of this utility model provides a kind of AC frequency conversion that adopts and regulates, take into account cooling and warming, integrate a kind of AC frequency conversion heat pump split-type air conditioner fault diagnosis real training equipment that displaying, converter technique demonstration, parametric measurement, flow regulation, signals collecting, fault such as are provided with at multiple function.
In order to achieve the above object, the utility model is achieved in that indoor set control circuit board, off-premises station control circuit board and the off-premises station master control circuit plate that comprises amplification; It is characterized in that: the fault that it also comprises indoor and outdoor machine parameter measurement plate and following breakdown switch is set is provided with plate; On the indoor set control circuit board by analyzing and the experiment control methods is drawn and is provided with K1, K2, K3, K4, K5, K6, K7, K8, the K19 breakdown switch, K switch 1 is with the elementary line break-make of transformer T1, K switch 2 is with three-terminal regulator block W1 break-make, K switch 3 is with three-terminal regulator block W2 break-make, K switch 4 is with emitter and the collector short circuit of triode Q4, K switch 5 is with the logical or short circuit of 56 pin of ic chip 1, K switch 6 is with the logical or short circuit of 44 pin of ic chip 1, K switch 7 is led to emitter and the collector of triode Q5 or short circuit, K switch 8 is with capacitor C 31 short circuits and ground connection, K switch 19 is a double throw switch, temperature-control circuit in its pulpit; On the off-premises station control circuit board by analyzing and the experiment control methods is drawn and is provided with K9, K11, K12, K13 breakdown switch, K switch 9 is with the main relay RL3 break-make on the power supply circuit board, K switch 11 is with the relay R L2 break-make on the power supply circuit board, K switch 12 is with the relay R L1 break-make on the power supply circuit board, and K switch 13 is with the photoelectronic coupler IC3 break-make on the power supply circuit board; On the off-premises station master control circuit plate by analyzing and the experiment control methods is drawn and is provided with K10, K14, K15, K16, K17, K18, K19 breakdown switch; K switch 10 is with 42 pin and the on/off of ic chip 3; K switch 14 is with the 10 pin ground connection of power model IC4; K switch 15 is with 6 pin and the temperature protection circuit break-make of ic chip 3; K switch 16 is with 48 pin and the on/off of ic chip 3; K switch 17 is with 47 pin and the on/off of ic chip 3; K switch 18 is a double throw switch, temperature-control circuit outside its pulpit.
The utility model further is improved to, and the K switch 1 in dynamo-electric source is serially connected in the input end of bridge rectifier circuit in the pulpit; The K switch 2 in dynamo-electric source is connected on the output terminal of three terminal regulator W1 in the pulpit; The K switch 3 in dynamo-electric source is connected on the output terminal of three terminal regulator W2 in the pulpit; The emitter of the triode Q4 of the K switch 4 one termination driving circuits of pulpit inner blower, the end of other end connecting resistance R41; 56 pin of the K switch 5 one termination ic chips 1 of pulpit inner blower, other end ground connection; The anode of the K switch 6 one termination capacitor C13 of control reset circuit, other end ground connection; The K switch 7 of control zero cross detection circuit is connected between the emitter and collector of triode Q5; The K switch 8 of control remote-control receiving circuit is connected on the two ends of capacitor C 31; The K switch 19 of temperature-control circuit is made up of four groups of switches in the pulpit, 41 pin of one group of 1,K19 one termination ic chip 1 wherein, the end of other end connection circuit C24,40 pin of one group of 3,K19 one termination ic chip 1, the end of other end connection circuit C25, the end of the termination capacitor C24 of one group of 2K19, other end ground connection, the end of one group of 4,K19 one termination capacitor C25, other end ground connection.K switch 9 one relay termination RL3 one end of control protection electric circuit, other end ground connection; Pulpit exogenous wind drive circuit and K switch 11 1 relay termination RL2 one end, 52 pin of another termination ic chip 2; K switch 12 1 relay termination RL1 one end of control four-way valve change-over circuit, 50 pin of another termination ic chip 2; The K switch 13 of control communicating circuit is serially connected in the output terminal of photoelectronic coupler.The K switch 10 of control ic chip 3 reverse drive circuit is serially connected in 42 pin of ic chip 3; 10 pin of the K switch 14 1 termination power model IC4 of control of conversion modular circuit, other end ground connection; K switch 15 is serially connected in 6 pin of ic chip 3; The K switch 16 of control ic chip 3 reverse drive circuit is serially connected in 48 pin of ic chip 3; The K switch 17 of control ic chip 3 reverse drive circuit is serially connected in 47 pin of ic chip 3.The K switch 18 of temperature-control circuit is made up of four groups of switches outside the pulpit, and wherein one group of 1K18 connects with resistance R 12, and one group of 3K18 connects with resistance R 14, the end of the termination capacitor C02 of one group of 2K18, other end ground connection, the end of one group of 4,K18 one termination capacitor C01, other end ground connection.
The utility model compared with prior art has following advantage:
1, design science, novelty gather multi-function in integral whole, and take into account refrigeration and electrical control two big systems;
2, all circuit boards are concentrated be installed in the practical traning platform front, clearly show circuit diagram structure, circuit diagram links to each other with circuit board, and correspondence one by one, thus can be on circuit diagram image data, analysis waveform and maintenance operation;
3, by the installing heating power expansion valve, the control working medium flow is analyzed the influence of flow to operating mode;
4, can intuitively reach and gather 16 electrical quantitys and thermal parameter easily;
5, frequency conversion inversion waveform and principle can be observed and analyze to the demonstration converter technique also very easily;
6, powerful fault is provided with function, and 19 faults can be set, and can normally move by recovery system again after fixing a breakdown;
7, it is ingenious the fault method to be set, and comprises that pipeline conditions is provided with fault, and the analog quantity that changes electrical quantity is provided with fault, and the digital quantity that changes electrical quantity is provided with fault;
8, when electric fault is set, taked safeguard measure, prevented that fault is provided with the damage that circuit board is caused;
9, signals collecting is provided with, and adopts the shielding Anti-Jamming Technique, and protects decay and the deadlock phenomenon of having avoided signal with amplifying circuit design, has guaranteed the smooth setting and the recovery of fault;
10, manufacture signal testing plate and fault specially plate has been set, be convenient to study, analysis and operation training.
Four, description of drawings
Fig. 1 is the circuit theory diagrams of the indoor set control circuit board of amplification;
Fig. 2 is the circuit theory diagrams of the off-premises station control circuit board of amplification;
Fig. 3 is the circuit theory diagrams of the off-premises station master control circuit plate of amplification;
Fig. 4 is an off-premises station parameter measurement plate;
Fig. 5 is an indoor set parameter measurement plate.
Five, embodiment
Below in conjunction with drawings and Examples the utility model is done further detailed description:
As shown in Figure 1, by analyzing and the experiment control methods, be provided with K1, K2, K3, K4, K6, K7, K8 breakdown switch on the indoor set control circuit board that amplifies, K switch 1 is with the elementary line break-make of transformer T1, and it is serially connected in the input end of bridge rectifier circuit; Phenomenon of the failure is that as K switch 1 disconnection, complete machine is not worked.K switch 2 is with three-terminal regulator block W1 break-make, and it is connected on the output terminal of the output of three terminal regulator W1; Phenomenon of the failure is that as K switch 2 disconnections, complete machine is not worked.K switch 3 disconnects three-terminal regulator block W2, and it is connected on the output terminal of the output of three terminal regulator W2; Phenomenon of the failure is that as K switch 3 disconnections, complete machine is not worked.K switch 4 is with emitter and the collector short circuit of triode Q4; Phenomenon of the failure is that as K switch 4 closures, indoor fan can not turn round.K switch 6 is with 44 pin ground connection of ic chip 1, the anode of one termination capacitor C13; Phenomenon of the failure is, as K switch 6 closures, i.e. and 44 pin ground connection of ic chip 1, complete machine is not worked.K switch 7 is connected between the emitter and collector of triode Q5; Phenomenon of the failure is that as K switch 7 closures, 51 pin of ic chip 1 are always low level.K switch 8 is connected on the two ends of capacitor C 31, and phenomenon of the failure is, as K switch 8 closures, 55 pin of ic chip 1 are always low level, and remote signal can't be sent on 55 pin, and telepilot can't work.
As shown in Figure 2, by analyzing and the experiment control methods, on the off-premises station control circuit board, be provided with K9, K11, K12, K13 breakdown switch, K switch 9 one relay termination RL3 one end, other end ground connection; Phenomenon of the failure is as K switch 9 disconnections, after indoor set work a period of time (about 3 minutes), after off-premises station starts, to shut down at once again.K switch 11 1 relay termination RL2 one end, 52 pin of another termination ic chip 2; Phenomenon of the failure is, disconnects as K switch 11, and blower fan does not turn round, but compressor and indoor fan all move.K switch 12 1 relay termination RL1 one end, 50 pin of another termination ic chip 2; Phenomenon of the failure is that as K switch 12 disconnections, air-conditioning can not heat.K switch 13 disconnects the photoelectronic coupler IC3 on the power supply circuit board, and it is the output terminal that is serially connected in photoelectronic coupler, and phenomenon of the failure is that as K switch 13 disconnections, complete machine is not worked.
As shown in Figure 3, by analyzing and the experiment control methods, be provided with K10, K14, K15, K16, K17 breakdown switch on the off-premises station master control circuit plate, K switch 10 is with 42 pin and the on/off of ic chip 3, and it is to be serially connected on 42 pin of ic chip 3; Phenomenon of the failure is as K switch 10 disconnections, after indoor set work a period of time (about 3 minutes), after off-premises station starts, to shut down at once again.10 pin of K switch 14 1 termination power model IC4, other end ground connection; Phenomenon of the failure is that as K switch 14 closures, complete machine is not worked.K switch 15 is with 6 pin and the temperature protection circuit break-make of ic chip 3, and it is to be serially connected on 6 pin of ic chip 3; Phenomenon of the failure is that as K switch 15 disconnections, complete machine is not worked.K switch 16 is serially connected in 48 pin and the on/off of ic chip 3 on 48 pin of ic chip 3 on it; Phenomenon of the failure is, disconnects as K switch 16, and blower fan does not turn round, but compressor and indoor fan all move.K switch 17 is with 47 pin and the on/off of ic chip 3, and it is to be serially connected on 47 pin of ic chip 3, and phenomenon of the failure is that as K switch 17 disconnections, air-conditioning can not heat.。
As Fig. 4 is the outdoor sight parameter measurement of convertible frequency air-conditioner plate, is provided with test point thereon; Fig. 5 is an indoor set parameter measurement plate, also is provided with test point thereon.
Claims (4)
1, a kind of AC frequency conversion heat pump split-type air conditioner fault diagnosis real training equipment comprises indoor set control circuit board, off-premises station control circuit board and off-premises station master control circuit plate; It is characterized in that: the fault that it also comprises indoor and outdoor machine parameter measurement plate and following breakdown switch is set is provided with plate; On the indoor set control circuit board by analyzing and the experiment control methods is drawn and is provided with K1, K2, K3, K4, K5, K6, K7, K8, the K19 breakdown switch, K switch 1 is with the elementary line break-make of transformer T1, K switch 2 is with three-terminal regulator block W1 break-make, K switch 3 is with three-terminal regulator block W2 break-make, K switch 4 is led to emitter and the collector of triode Q4 or short circuit, K switch 5 is with the logical or short circuit of 56 pin of ic chip 1, K switch 6 is with the logical or short circuit of 44 pin of ic chip 1, K switch 7 is led to emitter and the collector of triode Q5 or short circuit, K switch 8 is with capacitor C 31 logical or short circuits, K switch 19 is a double throw switch, temperature-control circuit in its pulpit; On the off-premises station control circuit board by analyzing and the experiment control methods is drawn and is provided with K9, K11, K12, K13 breakdown switch, K switch 9 is with the main relay RL3 break-make on the power supply circuit board, K switch 11 is with the relay R L2 break-make on the power supply circuit board, K switch 12 is with the relay R L1 break-make on the power supply circuit board, and K switch 13 is with the photoelectronic coupler IC3 break-make on the power supply circuit board; On the off-premises station master control circuit plate by analyzing and the experiment control methods is drawn and is provided with K10, K14, K15, K16, K17, K18, K19 breakdown switch; K switch 10 is with 42 pin and the on/off of ic chip 3; K switch 14 is with the 10 pin ground connection of power model IC4; K switch 15 is with 6 pin and the temperature protection circuit break-make of ic chip 3; K switch 16 is with 48 pin and the on/off of ic chip 3; K switch 17 is with 47 pin and the on/off of ic chip 3; K switch 18 is a double throw switch, temperature-control circuit outside its pulpit.
2, a kind of AC frequency conversion heat pump split-type air conditioner fault diagnosis real training equipment according to claim 1, it is characterized in that: the K switch 1 in dynamo-electric source is serially connected in the input end of bridge rectifier circuit in the pulpit; The K switch 2 in dynamo-electric source is connected on the output terminal of three terminal regulator W1 in the pulpit; The K switch 3 in dynamo-electric source is connected on the output terminal of three terminal regulator W2 in the pulpit; The emitter of the triode Q4 of the K switch 4 one termination driving circuits of pulpit inner blower, the end of other end connecting resistance R41; 56 pin of the K switch 5 one termination ic chips 1 of pulpit inner blower, other end ground connection; The anode of the K switch 6 one termination capacitor C13 of control reset circuit, other end ground connection; The K switch 7 of control zero cross detection circuit is connected between the emitter and collector of triode Q5; The K switch 8 of control remote-control receiving circuit is connected on the two ends of capacitor C 31; The K switch 19 of temperature-control circuit is made up of four groups of switches in the pulpit, 41 pin of one group of 1,K19 one termination ic chip 1 wherein, the end of other end connection circuit C24,40 pin of one group of 3,K19 one termination ic chip 1, the end of other end connection circuit C25, the end of the termination capacitor C24 of one group of 2K19, other end ground connection, the end of one group of 4,K19 one termination capacitor C25, other end ground connection.
3, a kind of AC frequency conversion heat pump split-type air conditioner fault diagnosis real training equipment according to claim 1 is characterized in that: K switch 9 one relay termination RL3 one end of control protection electric circuit, other end ground connection; Pulpit exogenous wind drive circuit and K switch 11 1 relay termination RL2 one end, 52 pin of another termination ic chip 2; K switch 12 1 relay termination RL1 one end of control four-way valve change-over circuit, 50 pin of another termination ic chip 2; The K switch 13 of control communicating circuit is serially connected in the output terminal of photoelectronic coupler.
4, a kind of AC frequency conversion heat pump split-type air conditioner fault diagnosis real training equipment according to claim 1 is characterized in that: the K switch 10 of control ic chip 3 reverse drive circuit is serially connected in 42 pin of ic chip 3; 10 pin of the K switch 14 1 termination power model IC4 of control of conversion modular circuit, other end ground connection; K switch 15 is serially connected in 6 pin of ic chip 3; The K switch 16 of control ic chip 3 reverse drive circuit is serially connected in 48 pin of ic chip 3; The K switch 17 of control ic chip 3 reverse drive circuit is serially connected in 47 pin of ic chip 3.The K switch 18 of temperature-control circuit is made up of four groups of switches outside the pulpit, and wherein one group of 1K18 connects with resistance R 12, and one group of 3K18 connects with resistance R 14, the end of the termination capacitor C02 of one group of 2K18, other end ground connection, the end of one group of 4,K18 one termination capacitor C01, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200573758U CN2781348Y (en) | 2005-04-16 | 2005-04-16 | Diagnostic training equipment for failure of AC frequence converter heat pump split air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200573758U CN2781348Y (en) | 2005-04-16 | 2005-04-16 | Diagnostic training equipment for failure of AC frequence converter heat pump split air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2781348Y true CN2781348Y (en) | 2006-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200573758U Expired - Fee Related CN2781348Y (en) | 2005-04-16 | 2005-04-16 | Diagnostic training equipment for failure of AC frequence converter heat pump split air conditioner |
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|---|---|
| CN (1) | CN2781348Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986371A (en) * | 2010-11-04 | 2011-03-16 | 广东机电职业技术学院 | Computer-aided overhaul simulation system for large and medium refrigeration and air-conditioning engineering |
| CN104359261A (en) * | 2014-12-03 | 2015-02-18 | 力诺瑞特（上海）新能源有限公司 | Heat pump unit on-line controller |
| CN110926075A (en) * | 2020-01-07 | 2020-03-27 | 顺德职业技术学院 | Heat pump fault self-diagnosis system |
-
2005
- 2005-04-16 CN CNU2005200573758U patent/CN2781348Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986371A (en) * | 2010-11-04 | 2011-03-16 | 广东机电职业技术学院 | Computer-aided overhaul simulation system for large and medium refrigeration and air-conditioning engineering |
| CN101986371B (en) * | 2010-11-04 | 2012-06-27 | 广东机电职业技术学院 | Computer-aided overhaul simulation system for large and medium refrigeration and air-conditioning engineering |
| CN104359261A (en) * | 2014-12-03 | 2015-02-18 | 力诺瑞特（上海）新能源有限公司 | Heat pump unit on-line controller |
| CN110926075A (en) * | 2020-01-07 | 2020-03-27 | 顺德职业技术学院 | Heat pump fault self-diagnosis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060517 Termination date: 20100416 |