CN203418954U - Scroll compressor electric air conditioner of crane superstructure cab - Google Patents
Scroll compressor electric air conditioner of crane superstructure cab Download PDFInfo
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- CN203418954U CN203418954U CN201320525770.9U CN201320525770U CN203418954U CN 203418954 U CN203418954 U CN 203418954U CN 201320525770 U CN201320525770 U CN 201320525770U CN 203418954 U CN203418954 U CN 203418954U
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Abstract
The utility model discloses a scroll compressor electric air conditioner of a crane superstructure cab. The scroll compressor electric air conditioner is composed of a power supply part, an outdoor unit, an indoor unit and a control part. The outdoor unit comprises an installation box body, an air conditioner controller, a scroll motor compressor, a condenser, a fan, a liquid storage dryer and a pressure switch. An expansion valve, an evaporator, a fan, a positive temperature coefficient thermistor heater, a temperature controller and a temperature protector are arranged inside a shell of the indoor unit. The scroll type compressing technology is adopted for refrigerating, a motor and a scroll plate are coaxially transmitted and integrated in a same shell, and the scroll compressor electric air conditioner is small in size, low in noise, stable in running and high in refrigerating efficiency. A heating device is made of positive temperature coefficient thermal sensitive material and has the characteristic that the electrical resistivity increases along with increase of temperature, so that the maximum temperature of heating is limited, and extra safety protection is achieved.
Description
Technical field
The utility model relates to crane driver's cab air conditioner, particularly a kind of crane driver's cab screw compressor electric air-conditioning device.
Background technology
Crane driver's cab air conditioner has two kinds at present, a kind of as Chinese patent Granted publication CN201371118Y, name is called the disclosed technical scheme of utility model patent of " a kind of hydraulic pressure drive air conditioning plant for engineering machinery ", adopt fluid pressure type to drive fridge equipment, in operator's compartment, be blown into the temperature that cold wind regulates air.Above-mentioned fluid pressure type drives the shortcoming of fridge equipment to be: due to the ceaselessly rotating 360 degrees operation of slinging of the loop wheel machine operator's compartment of crane, easily cause effusion force feed accident in the operator's compartment center rotating shaft of getting on the bus, and when fluid pressure type drives fridge equipment start and close, directly affect the safe in operation of loop wheel machine and the stability of hydraulic pump works, unsettled hydraulic pressure input hydraulic pressure motor affects the work efficiency of HM Hydraulic Motor.Another kind of as Chinese patent Granted publication CN28390188Y, name is called the disclosed technical scheme of utility model patent of " hoisting crane waring and cooling air conditioning system ", adopt following car engine to drive high-power generator generating to drive host work, in work machine, there is a DC motor, in the rotating shaft of DC motor, Pulley is installed, Pulley is connected with refrigerating compressor Pulley by belt and drives Piston Refrigerant Compreessor to carry out refrigeration work.The shortcoming of above-mentioned Piston Refrigerant Compreessor is that starting current is large, power consumption is many, volume is large, noise is high.
Summary of the invention
The purpose of this utility model is the shortcoming for above-mentioned two kinds of crane driver's cab air conditioners, develop a kind of crane driver's cab screw compressor electric air-conditioning device, avoid effusion force feed accident in hydraulic pressure drive air conditioning plant center rotating shaft, overcome Pulley by the shortcoming that belt drive Piston Refrigerant Compreessor starting current is large, power consumption is many, volume is large, noise is high.
The purpose of this utility model is achieved in that
Crane driver's cab screw compressor electric air-conditioning device is comprised of power supply, off-premises station, indoor set and control part.
Power supply comprises: electrical generator, storage battery, conductive mechanism and main power line.Electrical generator is connected with storage battery, and storage battery is connected with conductive mechanism by main power line, and main power line leads to get on the bus through conductive mechanism and is connected with air-conditioner controller.
Storage battery can also can be charged a battery by car external power by generator charging, as mains supply or solar photovoltaic power charge a battery.
Off-premises station comprises: casing, air-conditioner controller, vortex motor driven compressor, condenser, blower fan, liquid storage dryer and pressure switch are installed.
Installation casing is arranged on the outside of crane driver's cab, and the inside that casing is installed arranges air-conditioner controller, and the circuit output end of air-conditioner controller is connected with vortex motor driven compressor, blower fan and pressure switch respectively.
The built-in brushless motor of vortex motor driven compressor is propulsion source, and motor and scroll plate are coaxial transmission, is integrated in same shell, has that volume is little, noise is low, stable, refrigerating efficiency high.
Indoor set is arranged on the inner side of crane driver's cab.Indoor set comprises casing, expansion valve, evaporator, blower fan, positive temperature coefficient thermistor heater, thermostat and temperature protector.
In the inside of casing, expansion valve, evaporator, blower fan, positive temperature coefficient thermistor heater, thermostat and temperature protector are set.
Expansion valve connects evaporator, and evaporator connects vortex motor driven compressor, and vortex motor driven compressor connects condenser, and condenser connects liquid storage dryer, and liquid storage dryer connects expansion valve, between them, with pipeline, connects to form refrigeration system.
Refrigeration system principle of work:
The work of vortex motor driven compressor, the refrigerant gas of discharge High Temperature High Pressure, by pressing cold connection pipe to be transported to condenser; By cooling blower, the heat of condenser is taken away, made the gaseous refrigerant of High Temperature High Pressure become middle temperature highly pressurised liquid; By after liquid storage dryer dry filter, flow to expansion valve again.Under the throttling action of expansion valve, refrigerant changes low temperature fog-like body into and enters evaporator, vaporize and absorb the heat of evaporator surface air, the temperature of car inner circulating air of evaporator of making to flow through reduces, by cooling blower, cold air is sent into driver's cab, refrigerant vapour after vaporization, is sucked by vortex motor driven compressor through steam pressure connection pipe, enters new round circulation.This circulation goes round and begins again, and stops motor driven compressor work after making the indoor temperature of car reach design temperature; When vehicle interior temperature starts motor driven compressor work during higher than design temperature again.
By positive temperature coefficient thermistor heater, thermostat and temperature protector, form heating system.
Heating System Working Principle:
Mode switch is in heating position, the air switch that connection is got on the bus in driver's cab starts air-conditioning, and positive temperature coefficient thermistor heater work, sends hot gas into driver's cab by blower fan, air after heating sucks through blower fan again, through positive temperature coefficient thermistor heater, continues heating.This circulation goes round and begins again, and stops positive temperature coefficient thermistor heater work after making the indoor temperature of car reach design temperature; When vehicle interior temperature starts positive temperature coefficient thermistor heater during lower than design temperature again; positive temperature coefficient thermistor heater surface is provided with temperature protector, can be at fan trouble and positive temperature coefficient thermistor heater cuts off heater power source while surpassing protection temperature.Indoor set is connected with off-premises station by cable and pipeline; indoor set thermostat is according to the mode of operation of the outer vortex motor driven compressor of design temperature control cabin or indoor set positive temperature coefficient thermistor heater, and whole system is provided with maximum working pressure protection, temperature overheating protection, storage battery under-voltage protection.Positive temperature coefficient thermistor heater adopts positive temperature coefficient sensitive to heat, and it has the characteristic that electrical resistivity raises and increases with temperature, thus restriction heating ceiling temperature, many one decks safety guard-safeguard.
Control part comprises: control panel and program control chip.Control panel is provided with mode switch; control panel inside is provided with program control chip; program control chip is connected with air-conditioner controller; the circuit output end of air-conditioner controller is connected with vortex motor driven compressor, cooling blower, under-voltage protector, pressure switch, positive temperature coefficient thermistor heater, thermostat and temperature protector respectively; form maximum working pressure protection, temperature overheating protection, storage battery undervoltage protection system; immediate feedback information, processing accident in time.
Control part can be built in indoor set and off-premises station, also can independently be arranged in driver's cab, for controlling the operation of air-conditioning and stopping.
The beneficial effect of the utility model contrast prior art is:
1, the utility model refrigeration adopts current state-of-the-art vortex compress technique, and built-in brushless motor is propulsion source, and motor and scroll plate are coaxial transmission, are integrated in same shell, has that volume is little, noise is low, stable, refrigerating efficiency is high;
2, heating equipment adopts positive temperature coefficient sensitive to heat to have the characteristic that electrical resistivity raises and increases with temperature, thus restriction heating ceiling temperature, many one decks safety guard-safeguard;
3, complete machine structure is succinct, easy to maintenance, and optional independent outdoor cabinet can be installed according to real space chosen position;
4, compressor drive has the automatic protection functions such as over voltage, excess current, under-voltage;
5, machine system has maximum working pressure protection, temperature overheating protection, storage battery under-voltage protection, makes system more safe and reliable;
6, use independent current source, do not affect the maximum power output of hoisting crane.In crane running or working process, as long as guarantee that the generating function of accumulators power supply provides enough electric currents, air-conditioning is the electric weight in battery consumption not substantially, and unnecessary electric weight is stored in storage battery continuation air-conditioning when stopping.The utility model is particularly suitable for various oil consumptions or consumption gas is higher, intermittently or interruption work, midway have in a lot of parking waiting time, work need revolution, turning on the aircondition affect that power is exported but the hoisting crane that need to install an air-conditioner.
Accompanying drawing explanation
Fig. 1 is the block diagram that each system of the utility model connects;
Fig. 2 is the schematic diagram that each parts of the utility model connect;
Fig. 3 is the utility model electric control theory schematic diagram.
In figure: 1, electrical generator, 2, storage battery, 3, conductive mechanism, 4, main power line; 11, casing is installed, 12, air-conditioner controller, 13, vortex motor driven compressor, 14, condenser; 15, cooling blower, 16, liquid storage dryer, 17, pressure switch, 18, under-voltage protector; 21, casing, 22, expansion valve, 23, evaporator; 24, blower fan, 25, positive temperature coefficient thermistor heater, 26, thermostat; 27, temperature protector, 31, control panel, 32, program control chip.
The specific embodiment
In conjunction with the accompanying drawings and embodiments, describe structure of the present utility model in detail.
Embodiment:
As shown in Figure 1 and Figure 2, crane driver's cab screw compressor electric air-conditioning device is comprised of power supply, off-premises station, indoor set and control part.
Power supply comprises: electrical generator 1, storage battery 2, conductive mechanism 3 and main power line 4.Electrical generator 1 is connected with storage battery 2, and storage battery 2 is connected with conductive mechanism 3 by main power line 4, and main power line 4 leads to get on the bus through conductive mechanism 3 and is connected with air-conditioner controller 12.
Storage battery 2 is charged by electrical generator 1, also can be by 2 chargings of car external power accumulators, as mains supply or 2 chargings of solar photovoltaic power accumulators.
Off-premises station comprises: casing 11, air-conditioner controller 12, vortex motor driven compressor 13, condenser 14, blower fan 15, liquid storage dryer 16, pressure switch 17 are installed.
Installation casing 11 is arranged on the outside of crane driver's cab, and the inside that casing 11 is installed arranges air-conditioner controller 12, and the circuit output end of air-conditioner controller 12 is connected with vortex motor driven compressor 13, blower fan 15 and pressure switch 17 respectively.
The built-in brushless motor of vortex motor driven compressor 13 is propulsion source, and motor and scroll plate are coaxial transmission, is integrated in same shell.Vortex motor driven compressor 13 operating voltages are 48 volts of direct currents, 800 watts of power consumptions, 2000 watts of refrigerating capacitys.
Indoor set is arranged on the inner side of crane driver's cab.Indoor set comprises casing 21, expansion valve 22, evaporator 23, blower fan 24, positive temperature coefficient thermistor heater 25, thermostat 26, temperature protector 27.
Refrigeration system: expansion valve 22 connects evaporator 23, evaporator 23 connects vortex motor driven compressor 13, and vortex motor driven compressor 13 connects condenser 14, and condenser 14 connects liquid storage dryer 16, and liquid storage dryer 16 connects expansion valve 22, forms refrigeration system.
Heating system: formed by positive temperature coefficient thermistor heater 25, thermostat 26, temperature protector 27.
Air-conditioner controller 12 connects respectively positive temperature coefficient thermistor heater 25, thermostat 26 and temperature protector 27.
Control part comprises: control panel 31 and program control chip 32.Control panel 31 is provided with mode switch; control panel 31 inside are provided with program control chip 32; program control chip 32 is connected with air-conditioner controller 12, and the circuit output end of air-conditioner controller 12 is connected with vortex motor driven compressor 13, cooling blower 15, under-voltage protector 18, pressure switch 17, positive temperature coefficient thermistor heater 25, thermostat 26 and temperature protector 27 respectively.
Control part can be built in indoor set and off-premises station, also can independently be arranged in driver's cab, for controlling the operation of air-conditioning and stopping.
Claims (2)
1. crane driver's cab screw compressor electric air-conditioning device, is comprised of power supply, off-premises station, indoor set and control part, it is characterized in that:
Described power supply comprises: electrical generator (1), storage battery (2), conductive mechanism (3) and main power line (4); Electrical generator (1) is connected with storage battery (2), storage battery (2) is connected with conductive mechanism (3) by main power line (4), and main power line (4) leads to get on the bus through conductive mechanism (3) and is connected with air-conditioner controller (12);
Described off-premises station comprises: casing (11), air-conditioner controller (12), vortex motor driven compressor (13), condenser (14), blower fan (15), liquid storage dryer (16) and pressure switch (17) are installed; The inside that casing (11) is installed arranges air-conditioner controller (12), and the circuit output end of air-conditioner controller (12) is connected with vortex motor driven compressor (13), blower fan (15) and pressure switch (17) respectively;
Described indoor set comprises: casing (21), expansion valve (22), evaporator (23), blower fan (24), positive temperature coefficient thermistor heater (25), thermostat (26) and temperature protector (27); Expansion valve (22), evaporator (23), blower fan (24), positive temperature coefficient thermistor heater (25), thermostat (26) and temperature protector (27) are set in the inside of casing (21);
Described control part comprises: control panel (31) and program control chip (32); Control panel (31) is provided with mode switch; control panel (31) inside is provided with program control chip (32); program control chip (32) is connected with air-conditioner controller (12), and the circuit output end of air-conditioner controller (12) is connected with vortex motor driven compressor (13), cooling blower (15), under-voltage protector (18), pressure switch (17), positive temperature coefficient thermistor heater (25), thermostat (26) and temperature protector (27) respectively.
2. crane driver's cab screw compressor electric air-conditioning device according to claim 1, it is characterized in that: expansion valve (22) connects evaporator (23), evaporator (23) connects vortex motor driven compressor (13), vortex motor driven compressor (13) connects condenser (14), condenser (14) connects liquid storage dryer (16), liquid storage dryer (16) connects expansion valve (22), with pipeline, connects to form refrigeration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320525770.9U CN203418954U (en) | 2013-08-26 | 2013-08-26 | Scroll compressor electric air conditioner of crane superstructure cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320525770.9U CN203418954U (en) | 2013-08-26 | 2013-08-26 | Scroll compressor electric air conditioner of crane superstructure cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203418954U true CN203418954U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320525770.9U Expired - Fee Related CN203418954U (en) | 2013-08-26 | 2013-08-26 | Scroll compressor electric air conditioner of crane superstructure cab |
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| CN (1) | CN203418954U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921651A (en) * | 2014-03-31 | 2014-07-16 | 李建宇 | Environment-friendly auxiliary air conditioner for cars |
| CN104210327A (en) * | 2014-08-21 | 2014-12-17 | 江苏创导空调有限公司 | Electric air-conditioning system for vehicle |
| CN104417309A (en) * | 2013-08-26 | 2015-03-18 | 广东增城市基业汽车空调有限公司 | Crane get-on cab scroll compressor electric air conditioner and operation method |
| CN112693280A (en) * | 2020-12-31 | 2021-04-23 | 四川永志人防设备检测有限公司 | Cold and warm air conditioner integrated system for automobile crane |
-
2013
- 2013-08-26 CN CN201320525770.9U patent/CN203418954U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104417309A (en) * | 2013-08-26 | 2015-03-18 | 广东增城市基业汽车空调有限公司 | Crane get-on cab scroll compressor electric air conditioner and operation method |
| CN103921651A (en) * | 2014-03-31 | 2014-07-16 | 李建宇 | Environment-friendly auxiliary air conditioner for cars |
| CN104210327A (en) * | 2014-08-21 | 2014-12-17 | 江苏创导空调有限公司 | Electric air-conditioning system for vehicle |
| CN104210327B (en) * | 2014-08-21 | 2016-08-31 | 江苏创导空调有限公司 | A kind of motor-driven air conditioning system for automobile |
| CN112693280A (en) * | 2020-12-31 | 2021-04-23 | 四川永志人防设备检测有限公司 | Cold and warm air conditioner integrated system for automobile crane |
| CN112693280B (en) * | 2020-12-31 | 2023-08-15 | 四川永志人防设备检测有限公司 | Cold-warm air conditioner integrated system for automobile crane |
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Legal Events
| 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: 20140205 Termination date: 20160826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |