CN203573557U - Simulated training device for structural principle and maintenance skill of dehumidifier - Google Patents
Simulated training device for structural principle and maintenance skill of dehumidifier Download PDFInfo
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- CN203573557U CN203573557U CN201320674061.7U CN201320674061U CN203573557U CN 203573557 U CN203573557 U CN 203573557U CN 201320674061 U CN201320674061 U CN 201320674061U CN 203573557 U CN203573557 U CN 203573557U
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Abstract
The utility model discloses a simulated training device for structural principle and maintenance skill of a dehumidifier. The simulated training device comprises a cooling system, an electric control system, a fault setting box which is used for setting faults in the cooling system and the electric control system, and a fault detection box which is used to detect the faults in the cooling system and the electric control system; the fault setting box is connected to the cooling system and the electric control system, the fault detection box is connected to the cooling system and the electric control system; the fault setting box is provided with a plurality of switches which are used to set electrical faults, and the fault detection box is provided with a plurality of detection holes which are corresponding to the switches in the fault setting box. The simulated training device can carry out setting and detection of multiple faults, and can be used to learning of structural principle of dehumidifier and training of refrigeration maintenance skill for primary or intermediate air-conditioner operators.
Description
Technical field
The utility model belongs to dehumidifier device field, is specifically related to a kind of dehumidifier structural principle and maintenance skills analog training device.
Background technology
Along with the widespread use of dehumidifier in places such as family, office, archive office, library, exact instrument, to being engaged in this rigging up and debugging, operation, use, the demand for talent of maintenance and repair is day by day remarkable.Meanwhile, along with carrying out of national air-conditioning vocational training and verification of professional technical ability work, practitioner and training certifying agency are also more strong to the demand of relevant teaching, training and skill identification device.Have in the market various dehumidifier structural principle and maintenance skills actual training device, but majority is teaching class experiment table, only can meets the training of equipment cognition, operation use technical ability, can not carry out the senior trainings of putting into practice technical ability such as system debug and fault eliminating; Although simultaneously indivedual actual training devices possess fault function is set, fault arranges short circuit that function only can complete circuit and waits simple fault setting with opening circuit, and can not adapt to the requirement that air-conditioning operation teaching is examined.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of dehumidifier structural principle and maintenance skills analog training device are provided, this device can carry out setting and the detection of a plurality of faults, can be used for just, intermediate air-conditioning operator carries out the study of dehumidifier structural principle and the training of refrigeration maintenance skills is used.
For achieving the above object, dehumidifier structural principle described in the utility model and maintenance skills analog training device comprise refrigeration system, electric-control system, for the fault of fault is set in refrigeration system and electric-control system, case be set, for detection of the fault detect case of refrigeration system and electric-control system internal fault, fault arranges case and is connected with refrigeration system and electric-control system respectively, and fault detect case is connected with refrigeration system and electric-control system respectively;
Described fault arranges case and is provided with somely for the switch of electric fault is set in refrigeration system and electric-control system, and fault detect case is provided with some and fault the corresponding detection hole of switch on case is set.
Described refrigeration system comprises compressor, condenser, liquid-sighting glass, device for drying and filtering, kapillary and evaporator, the gas vent of described compressor is connected with the gas access of condenser, the refrigerant liquid outlet of condenser is connected with entrance capillaceous after liquid-sighting glass and device for drying and filtering, cold-producing medium wet steam outlet capillaceous is connected with the cold-producing medium wet steam entrance of evaporator, the gas vent of evaporator is connected with the gas access of compressor, and the gas access of evaporator is connected with the gas vent of condenser.
In passage between the gas access of described evaporator and the gas vent of condenser, be provided with blower fan.
Passage between the gas vent of described compressor and the gas access of condenser is provided with the first hand valve;
The refrigerant liquid outlet of described condenser and the passage between liquid-sighting glass are provided with the second hand valve.
Described electric-control system comprises power supply, starting switch, temperature controller, relay and starter, the positive pole of power supply is divided into two-way after being connected with starting switch, after being connected with fans in series, one tunnel is connected with power cathode, another road is connected with the common point of compressor successively with after temperature controller and relay are connected in series, the main winding of compressor is connected with power cathode, and the start-up capacitance point of compressor is connected with power cathode by starter.
Circuit between described blower fan and power cathode is parallel with fan starting electric capacity;
Circuit between described starter and power cathode is parallel with compressor start electric capacity.
The pipeline of the gas access of described evaporator and the gas vent of condenser is provided with temperature sensor, humidity sensor and display, and the output terminal of temperature sensor and the output terminal of humidity sensor are connected with display respectively.
Described electric-control system also comprises the power light of whether normally working for detection of power supply and the run indicator of whether normally working for detection of compressor.
The utlity model has following beneficial effect:
Dehumidifier structural principle described in the utility model and maintenance skills analog training device comprise that refrigeration system, electric-control system, fault arrange case and fault detect case; It is some for the switch of electric fault is set that described fault arranges case, fault detect case is provided with some and fault the corresponding detection hole of switch on case is set, can switch on case be set by fault completes a plurality of faults of electric-control system and refrigeration system is arranged, by the corresponding detection hole of switch on case being set with fault, detect simultaneously, thereby realize a plurality of fault settings and the detection of electric-control system and refrigeration system, can be used for just, intermediate air-conditioning operator carries out the study of dehumidifier structural principle and the training of refrigeration maintenance skills is used.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model figure;
Fig. 2 is the structural representation of refrigeration system in the utility model;
Fig. 3 is the circuit diagram of electric-control system in the utility model;
Fig. 4 is the structural representation that in the utility model, fault arranges case.
Wherein, 1 is that evaporator, 2 is that condenser, 3 is that compressor, 4 is that blower fan, 5 is that liquid-sighting glass, 6 is that device for drying and filtering, 7 is that kapillary, 8 is that the second hand valve, 9 is the first hand valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1 and Fig. 2, dehumidifier structural principle described in the utility model and maintenance skills analog training device comprise refrigeration system, electric-control system, for the fault of fault is set in refrigeration system and electric-control system, case be set, for detection of the fault detect case of refrigeration system and electric-control system internal fault, fault arranges case and is connected with refrigeration system and electric-control system respectively, and fault detect case is connected with refrigeration system and electric-control system respectively; Described fault arranges case and is provided with somely for the switch of electric fault is set in refrigeration system and electric-control system, and fault detect case is provided with some and fault the corresponding detection hole of switch on case is set.
Described refrigeration system comprises compressor 3, condenser 2, liquid-sighting glass 5, device for drying and filtering 6, kapillary 7 and evaporator 1, the gas vent of described compressor 3 is connected with the gas access of condenser 2, the refrigerant liquid outlet of condenser 2 is connected with the entrance of kapillary 7 after liquid-sighting glass 5 and device for drying and filtering 6, the cold-producing medium wet steam outlet of kapillary 7 is connected with the cold-producing medium wet steam entrance of evaporator 1, the gas vent of evaporator 1 is connected with the gas access of compressor 3, between the gas vent of the gas access of described evaporator 1 and condenser 2, in passage, be provided with blower fan 4, passage between the gas access of the gas vent of described compressor 3 and condenser 2 is provided with the first hand valve 9, the refrigerant liquid outlet of described condenser 2 and the passage between liquid-sighting glass 5 are provided with the second hand valve 8, and the gas access of evaporator 1 is connected with the gas vent of condenser 2.
Described electric-control system comprises power supply, starting switch, temperature controller, relay and starter, the positive pole of power supply is divided into two-way after being connected with starting switch, one tunnel is connected in series afterwards and is connected with power cathode with blower fan 4, another road is connected with the common point of compressor 3 successively with after temperature controller and relay are connected in series, the main winding of compressor 3 is connected with power cathode, the start-up capacitance point of compressor 3 is connected with power cathode by starter, and the circuit between described blower fan 4 and power cathode is parallel with fan starting electric capacity; Circuit between described starter and power cathode is parallel with compressor start electric capacity, between the gas vent of the gas access of described evaporator 1 and condenser 2, passage is provided with temperature sensor, humidity sensor and display, and the output terminal of temperature sensor and the output terminal of humidity sensor are connected with display respectively.Described electric-control system also comprises the power light of whether normally working for detection of power supply and the run indicator of whether normally working for detection of compressor 3.
In addition, described fault arranges case and is provided with power switch and damages K switch 1, power light open switch K2, starting switch and damage K switch 3, blower fan 4 motors and damage K switch 4, temperature controller and damage that K switch 5, overload protective device are damaged K switch 6, starting relay damages K switch 7, compressor 3 operation winding open switch K8 and backup circuit breaker K9.In described fault detect case, be provided with and with fault, the corresponding power switch of switch be set on case and damage and detect hole, power light open circuit and detect hole, starting switch and damage and detect hole, blower fan 4 motors and damage and detect holes, temperature controller and damage and detect hole, overload protective device and damage and detect hole, starting relay and damage and detect that holes are detected in hole, compressor 3 operation windings open circuits, power supply phase line detects hole and zero-power line detects hole.
The course of work of the present utility model is:
When power connection, power light is bright, press after starting switch, blower fan 4 and compressor 3 entrys into service, pilot lamp on starting switch is bright simultaneously, the refrigerant vapour of low-temp low-pressure enters compressor 3 by muffler, through the overheated refrigerant vapour of compressor 3 boil down to High Temperature High Pressure, through gas outlet, enter condenser 2, in condenser 2, be condensed into the refrigerant liquid of middle temperature high pressure, liquid refrigerant is through the second hand valve 8, liquid-sighting glass 5, device for drying and filtering 6, after the first hand valve 9, by kapillary 7, carry out the cold-producing medium wet steam that reducing pressure by regulating flow is low-temp low-pressure (most refrigerant liquid and a small amount of flash gas) and enter evaporator 1, in evaporator 1, vaporization is absorbed heat into and heavyly after the steam of low-temp low-pressure by muffler, is entered compressor 3, iterative cycles like this, dehumidifying heats up.
When device carries out fault training and examination, by fault, the setting that case carries out corresponding failure is set, then by fault detect case, carry out malfunction elimination, as found refrigeration system pipeline problem, can carry out relevant maintenance operation.
The effect of temperature controller has two: the one, and defrosting function, when evaporator 1 frosting, stops compressor 3 operations, carries out nature defrost; Two is that function is controlled in time delay in three minutes, during the double startup of compressor 3, because refrigeration system high-low pressure pressure exists, can make compressor 3 motor bands carry startup, makes over current of motor, for avoiding such situation to occur, has designed three minutes delayed startup functions.
Relay is for the overload protection of compressor 3; starter is controlled for the startup of compressor 3 motors; while starting; because compressor 3 operation winding currents are large; starter is connected and is started winding; once compressor 3 proceeds to normal work, its operation winding current returns to normal value, and starter just cuts off and starts winding.In addition the working voltage and the running current that on electric cabinet, also show, dehumidifier.
Fault detection method is that user measures voltage or the break-make of reference point with multimeter, the current potential of zero-power line of take during measuring voltage is basic point, it should be noted that, during metering circuit break-make, need to the in the situation that of power-off, carry out, during measuring voltage, multimeter will be in exchanging shelves because measure mostly be 220V alternating voltage.In addition, Portable welding tool, vacuum pump, two table repairing valve, fluoridize flexible pipe, cutter and tube expander are housed in described fault detect case, are convenient to fault to overhaul.
Under " normally " pattern, system all hardware line is in serviceable condition, and trainee can carry out system normal running and maintenance on device; Under " fault " pattern, by fault, case is set and sets in advance hardware fault, trainee, according to learned ultimate principle, utilizes instrument measurement to get rid of corresponding fault; Under " maintenance " pattern, trainee can be to the refrigeration system component of equipment and the pipe fitting maintenance operation of being correlated with; By above three kinds of patterns, make the cognition of trainee's completion system equipment, system operation O&M, system debug, the judgement of system hardware fault and get rid of, and the training subject such as refrigeration system maintenance, it is reached can operation, can debugging, training requirement that can maintenance.
Claims (8)
1. a dehumidifier structural principle and maintenance skills analog training device, it is characterized in that, comprise refrigeration system, electric-control system, for the fault of fault is set in refrigeration system and electric-control system, case be set, for detection of the fault detect case of refrigeration system and electric-control system internal fault, fault arranges case and is connected with refrigeration system and electric-control system respectively, and fault detect case is connected with refrigeration system and electric-control system respectively;
Described fault arranges case and is provided with somely for the switch of electric fault is set in refrigeration system and electric-control system, and fault detect case is provided with some and fault the corresponding detection hole of switch on case is set.
2. dehumidifier structural principle according to claim 1 and maintenance skills analog training device, it is characterized in that, described refrigeration system comprises compressor (3), condenser (2), liquid-sighting glass (5), device for drying and filtering (6), kapillary (7) and evaporator (1), the gas vent of described compressor (3) is connected with the gas access of condenser (2), the refrigerant liquid outlet of condenser (2) is connected with the entrance of kapillary (7) after liquid-sighting glass (5) and device for drying and filtering (6), the cold-producing medium wet steam outlet of kapillary (7) is connected with the cold-producing medium wet steam entrance of evaporator (1), the gas vent of evaporator (1) is connected with the gas access of compressor (3), the gas access of evaporator (1) is connected with the gas vent of condenser (2).
3. dehumidifier structural principle according to claim 2 and maintenance skills analog training device, is characterized in that, in the passage between the gas access of described evaporator (1) and the gas vent of condenser (2), is provided with blower fan (4).
4. dehumidifier structural principle according to claim 2 and maintenance skills analog training device, is characterized in that,
Passage between the gas access of the gas vent of described compressor (3) and condenser (2) is provided with the first hand valve (9);
The refrigerant liquid outlet of described condenser (2) and the passage between liquid-sighting glass (5) are provided with the second hand valve (8).
5. dehumidifier structural principle according to claim 3 and maintenance skills analog training device, it is characterized in that, described electric-control system comprises power supply, starting switch, temperature controller, relay and starter, the positive pole of power supply is divided into two-way after being connected with starting switch, one tunnel is connected in series afterwards and is connected with power cathode with blower fan (4), another road is connected with the common point of compressor (3) successively with after temperature controller and relay are connected in series, the main winding of compressor (3) is connected with power cathode, the start-up capacitance point of compressor (3) is connected with power cathode by starter.
6. dehumidifier structural principle according to claim 5 and maintenance skills analog training device, is characterized in that,
Circuit between described blower fan (4) and power cathode is parallel with fan starting electric capacity;
Circuit between described starter and power cathode is parallel with compressor start electric capacity.
7. dehumidifier structural principle according to claim 5 and maintenance skills analog training device, it is characterized in that, the pipeline of the gas vent of the gas access of described evaporator (1) and condenser (2) is provided with temperature sensor, humidity sensor and display, and the output terminal of temperature sensor and the output terminal of humidity sensor are connected with display respectively.
8. dehumidifier structural principle according to claim 5 and maintenance skills analog training device, it is characterized in that, described electric-control system also comprises the power light of whether normally working for detection of power supply and the run indicator of whether normally working for detection of compressor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674061.7U CN203573557U (en) | 2013-10-29 | 2013-10-29 | Simulated training device for structural principle and maintenance skill of dehumidifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320674061.7U CN203573557U (en) | 2013-10-29 | 2013-10-29 | Simulated training device for structural principle and maintenance skill of dehumidifier |
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| CN203573557U true CN203573557U (en) | 2014-04-30 |
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| CN201320674061.7U Expired - Fee Related CN203573557U (en) | 2013-10-29 | 2013-10-29 | Simulated training device for structural principle and maintenance skill of dehumidifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642420A (en) * | 2015-11-03 | 2017-05-10 | 青岛海尔空调电子有限公司 | Novel air conditioner dehumidifying system |
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- 2013-10-29 CN CN201320674061.7U patent/CN203573557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642420A (en) * | 2015-11-03 | 2017-05-10 | 青岛海尔空调电子有限公司 | Novel air conditioner dehumidifying system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20151029 |
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| EXPY | Termination of patent right or utility model |