CN203908151U - Refrigerating system of refrigerated container - Google Patents
Refrigerating system of refrigerated container Download PDFInfo
- Publication number
- CN203908151U CN203908151U CN201420227613.4U CN201420227613U CN203908151U CN 203908151 U CN203908151 U CN 203908151U CN 201420227613 U CN201420227613 U CN 201420227613U CN 203908151 U CN203908151 U CN 203908151U
- Authority
- CN
- China
- Prior art keywords
- temperature sensor
- compressor
- condenser
- subcooler
- plc controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010257 thawing Methods 0.000 claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims description 41
- 238000004891 communication Methods 0.000 claims description 11
- 238000000819 phase cycle Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009183 running Effects 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a refrigerating system of a refrigerated container. The refrigerating system comprises a container; an evaporator, a compressor, a condenser, a subcooler, a defrosting heater, a PLC controller and a touch screen are arranged in the container; a liquid storage tank is arranged on a pipeline by which the condenser and the subcooler are connected; the PLC controller is connected with the evaporator through a first transducer, connected with the compressor through a second transducer, and connected with the condenser through a third transducer. According to the refrigerating system of the refrigerated container, the transducers are arranged, the output frequency of the transducers can be controlled to realize the control of the rotating speed of the compressor, the condenser and the evaporator, and thus the compressor, the condenser and the evaporator can be controlled to run at a slow rotating speed, and as a result, frequent starting of the compressor, the condenser and the evaporator is avoided, and the service life is greatly prolonged; in addition, the safety, reliability, high efficiency and energy conservation are ensured under long-term use.
Description
Technical field
The utility model relates to a kind of cold storage refrigerating system, is specifically related to a kind of frozen products insulated container refrigeration system.
Background technology
Frozen products insulated container formula is a kind of has good heat-proof quality, air-tightness is good, can maintain the Special Container of certain low temperature requirement, and it is mainly applicable to transporting and storing of all kinds of perishable items.Frozen products insulated container cost is higher, and running cost is also high, and it is more strict to the requirement of refrigeration system, and the while is current energy shortage, and energy conservation standard is also to frozen products insulated container refrigeration system important requirement.
China's foreign-going ship frozen products insulated container refrigeration plant is aging at present, in actual motion, refrigeration system more than 95% running time is under part load condition, and the refrigeration system still long-term works continuously under full load condition of control that adopt relay cause very large energy waste more; It is many that control system also exists mechanical contact, and wiring is complicated, and reliability is low, and the shortcomings such as versatility and very flexible can not meet the needs that China's foreign-going ship develops far away.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned prior art, to provide a kind of can effectively realize the frozen products insulated container refrigeration system that compressor, condenser, the evaporimeter slow-speed of revolution move to avoid compressor, condenser, evaporimeter frequent starting.
The technical scheme in the invention for solving the above technical problem is: a kind of frozen products insulated container refrigeration system, comprise container, it is characterized in that: in described container, be provided with evaporimeter, the compressor being connected with described evaporimeter, the condenser being connected with described compressor, the subcooler being connected respectively with described evaporimeter with described condenser, be connected in the defrosting heater between described evaporimeter and condenser, respectively with described evaporimeter, compressor, condenser, the PLC controller that subcooler is connected with defrosting heater, the touch-screen being connected with described PLC controller,
On the connecting line of wherein said condenser and subcooler, be provided with fluid reservoir;
Described PLC controller connects evaporimeter by the first frequency converter, and described PLC controller connects compressor by the second frequency converter, and described PLC controller connects condenser by the 3rd frequency converter.
In order to carry out fault alarm timely and effectively for frozen products insulated container refrigeration system, handled easily and maintenance, this system also comprises alarm, described alarm is connected in described PLC controller.
In order to guarantee the normal operation of motor, also comprise phase-sequence detector, described phase-sequence detector is connected in parallel and is connected in described PLC controller with described the first frequency converter, the second frequency converter and the 3rd frequency converter respectively.
In order to guarantee frozen products insulated container refrigeration system safety, on described compressor, be provided with high-voltage relay, low-voltage relay and high temperature switch, described high-voltage relay, low-voltage relay and high temperature switch are connected to described PLC controller.
In order conveniently to realize touch-screen to the monitoring of frozen products insulated container refrigeration system, communication and to control, described PLC controller connects described touch-screen by analog quantity communication module.
In order to understand in real time the running status of frozen products insulated container refrigeration system, in described container, be provided with environment temperature sensor;
On described compressor, be provided with compressor electric motor temperature sensor, the porch of described compressor is provided with return air temperature sensor and suction pressure of compressor sensor, and the port of export of described compressor is provided with compressor discharge temperature sensor and compressor discharge pressure sensor;
The arrival end of described condenser is provided with condenser inlet temperature sensor, and the port of export of described condenser is provided with condensator outlet temperature sensor;
Described subcooler and compressor chamber are connected with wind pushing temperature sensor;
The arrival end of described subcooler is provided with subcooler inlet temperature sensor, and the port of export of described subcooler is provided with subcooler outlet temperature sensor;
The arrival end of described evaporimeter is provided with evaporator inlet temperature sensor, and the port of export of described evaporimeter is provided with evaporator outlet temperature sensor;
Described environment temperature sensor, compressor electric motor temperature sensor, return air temperature sensor, suction pressure of compressor sensor, compressor discharge temperature sensor, compressor discharge pressure sensor, condenser inlet temperature sensor, condensator outlet temperature sensor, wind pushing temperature sensor, subcooler inlet temperature sensor, subcooler outlet temperature sensor, evaporator inlet temperature sensor is connected with described analog quantity communication module respectively with evaporator outlet temperature sensor.
Preferably, between described fluid reservoir and described subcooler, be provided with device for drying and filtering and liquid-sighting glass.
Preferably, described PLC controller is that model is FX
2Nthe PLC controller of-48MR-001.
Compared with prior art, the utility model has the advantage of: the setting of frequency converter in this frozen products insulated container refrigeration system, can control by the control of frequency converter output frequency being realized to the rotating speed of compressor, condenser, evaporimeter, thereby can move to avoid compressor, condenser, evaporimeter frequent starting by controlling the slow-speed of revolution of compressor, condenser, evaporimeter, shorten the lag time of control system, reduced system departure.Meanwhile, frequency converter self also has the defencive functions such as overcurrent, overload, phase shortage, ground connection, short circuit, has greatly extended the service life of frozen products insulated container refrigeration system, in long-term use, both safe and reliable and energy-efficient.Adopt PLC and touch-screen simultaneously, realized frozen products insulated container refrigeration system Based Intelligent Control efficiently in real time, simple to operate, reliability is high.
Accompanying drawing explanation
Fig. 1 is mechanism's block diagram of frozen products insulated container refrigeration system in the utility model embodiment.
Fig. 2 is the main circuit diagram of frozen products insulated container refrigeration system in the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figure 1 and Figure 2, frozen products insulated container refrigeration system in the present embodiment, comprise container 1, the compressor 3 that be provided with evaporimeter 22 in described container 1, is connected with described evaporimeter 2, the condenser 4 being connected with described compressor 3, the subcooler 5 being connected respectively with described evaporimeter 2 with described condenser 4, be connected in the defrosting heater 6 of 4 of described evaporimeter 2 and condensers, the model being connected with described evaporimeter 2, compressor 3, condenser 4, subcooler 5 and defrosting heater 6 is respectively FX
2Nthe PLC controller 7 of-48MR-001, the touch-screen 8 being connected with described PLC controller 7, in order conveniently to realize touch-screen 8 pairs of monitoring of frozen products insulated container refrigeration system, communications and to control, described PLC controller 7 connects described touch-screen 8 by analog quantity communication module 71.
On the connecting line of wherein said condenser 4 and subcooler 5, be provided with fluid reservoir 44,5 of described fluid reservoir 44 and described subcoolers are provided with device for drying and filtering 45 and liquid-sighting glass 46.
Described PLC controller 7 connects evaporimeter 2 by the first frequency converter 21, and described PLC controller 7 connects compressor 3 by the second frequency converter 31, and described PLC controller 7 connects condenser 4 by the 3rd frequency converter 41.
In order to carry out fault alarm timely and effectively for frozen products insulated container refrigeration system, handled easily and maintenance, this system also comprises alarm 9, described alarm 9 is connected in described PLC controller 7.
In order to guarantee the normal operation of motor, frozen products insulated container refrigeration system also comprises phase-sequence detector 10, and described phase-sequence detector 10 is connected in parallel and is connected in described PLC controller 7 with described the first frequency converter 21, the second frequency converter 31 and the 3rd frequency converter 41 respectively.When controlling the phase sequence of main circuit when correct, frozen products insulated container refrigeration system is normally moved, when frozen products insulated container refrigeration system is controlled the phase sequence mistake of main circuit, main circuit power is cut off, simultaneously, PLC controller 7 is controlled alarm 9 and is reported to the police, corresponding, shows phase sequence false alarm information on touch-screen 8.
In order to guarantee frozen products insulated container refrigeration system safety, on described compressor 3, be provided with high-voltage relay 37, low-voltage relay 38 and high temperature switch 39, described high-voltage relay 37, low-voltage relay 38 and high temperature switch 39 are connected to described PLC controller 7.
In order to understand in real time the running status of frozen products insulated container refrigeration system, in described container 1, be provided with environment temperature sensor 11;
On described compressor 3, be provided with compressor electric motor temperature sensor 32, the porch of described compressor 3 is provided with return air temperature sensor 33 and suction pressure of compressor sensor 35, and the port of export of described compressor 3 is provided with compressor discharge temperature sensor 34 and compressor discharge pressure sensor 36.The pressure data that is sent to analog quantity communication module 71 when suction pressure of compressor sensor 35 is during lower than setting value, 71 of analog quantity communication modules pass to alarm signal to PLC controller 7 and touch-screen 8, and PLC controller 7 control alarms 9 are reported to the police, controlled compressor 3 and carry out corresponding action response.Meanwhile, on touch-screen 8, show corresponding alarm content.In like manner, occurring that compressor 3 pressures at expulsion are too high, compressor 3 discharge temperatures are when too high, PLC controller 7 is controlled alarms 9 and is reported to the police, controls compressor 3 and carry out corresponding action response, meanwhile, shows corresponding alarm content on touch-screen 8.
The arrival end of described condenser 4 is provided with condenser inlet temperature sensor 42, and the port of export of described condenser 4 is provided with condensator outlet temperature sensor 43.
3, described subcooler 5 and compressor are connected with wind pushing temperature sensor 51.
The arrival end of described subcooler 5 is provided with subcooler inlet temperature sensor 52, and the port of export of described subcooler 5 is provided with subcooler outlet temperature sensor 53.
The arrival end of described evaporimeter 2 is provided with evaporator inlet temperature sensor 22, and the port of export of described evaporimeter 2 is provided with evaporator outlet temperature sensor 23.
Described environment temperature sensor 11, compressor electric motor temperature sensor 32, return air temperature sensor 33, suction pressure of compressor sensor 35, compressor discharge temperature sensor 34, compressor discharge pressure sensor 36, condenser inlet temperature sensor 42, condensator outlet temperature sensor 43, wind pushing temperature sensor 51, subcooler inlet temperature sensor 52, subcooler outlet temperature sensor 53, evaporator inlet temperature sensor 22 is connected with described analog quantity communication module 71 respectively with evaporator outlet temperature sensor 23.
This frozen products insulated container refrigeration system comprises intensification, cooling and three kinds of mode of operations of defrosting, and interim cooling mode comprises quick-frozen pattern and refrigeration pattern.
Frozen products insulated container refrigeration system in the course of the work, utilize respectively environment temperature sensor 11, compressor electric motor temperature sensor 32, return air temperature sensor 33, suction pressure of compressor sensor 35, compressor discharge temperature sensor 34, compressor discharge pressure sensor 36, condenser inlet temperature sensor 42, condensator outlet temperature sensor 43, wind pushing temperature sensor 51, subcooler inlet temperature sensor 52, subcooler outlet temperature sensor 53, 23 pairs of real-time operational datas of evaporator inlet temperature sensor 22 and evaporator outlet temperature sensor gather.
Utilize the data and system setting data value gathering to compare, the return air temperature that first comparison system design temperature and return air temperature sensor 33 gather, if default temperature is greater than return air temperature, frozen products insulated container refrigeration system enters heating mode.If default temperature is not more than return air temperature, frozen products insulated container refrigeration system is carried out cooling mode.
Default temperature is greater than 0 ℃, is refrigeration pattern, and default temperature is less than 0 ℃, is frozen mode.
When entering frozen mode, by touch-screen 8, operate, PLC controller 7 is controlled and is entered frozen mode, when the phase sequence that monitors at Phase Sequence Monitor device is correct, corresponding compressor 3, condenser 4, subcooler 5 and evaporimeter 2 carry out cooling work according to control command under the control of PLC controller 7, and wherein, the motor of compressor 3, condenser 4 and evaporimeter 2 carries out soft start with low frequency, along with the control of frequency converter, frequency is constantly increased to power frequency and moves.Each sensor is sent to the data of Real-Time Monitoring in PLC controller 7 and touch-screen 8 and in touch-screen 8 and is shown in real time by analog quantity communication module 71 respectively respectively.When return air temperature drops to default temperature, PLC controls motor low-speed running under the control of frequency converter of compressor 3, condenser 4, evaporimeter 2, and meanwhile, the control valve of subcooler 5 resets, and subcooler 5 is out of service.
In like manner, frozen products insulated container refrigeration system is when cooling mode and heating mode, when return air temperature reaches after design temperature condition, PLC all controls motor low-speed running under the control of frequency converter of compressor 3, condenser 4, evaporimeter 2, simultaneously, the control valve of subcooler 5 resets, and subcooler 5 is out of service.
While entering defrosting mode, by touch-screen 8, operate, can carry out time defrosting or manual defrost operation.After defrosting mode is opened, evaporimeter 2 controlled by PLC controller 7 and defrosting heater 6 carries out work, arrives after setting-up time, and PLC controller 7 is controlled evaporimeter 2 motor low-speed runnings, and defrosting heater 6 quits work, and defrost process finishes.
Claims (8)
1. a frozen products insulated container refrigeration system, comprise container (1), it is characterized in that: in described container (1), be provided with evaporimeter (2), the compressor (3) being connected with described evaporimeter (2), the condenser (4) being connected with described compressor (3), the subcooler (5) being connected respectively with described evaporimeter (2) with described condenser (4), be connected in the defrosting heater (6) between described evaporimeter (2) and condenser (4), respectively with described evaporimeter (2), compressor (3), condenser (4), the PLC controller (7) that subcooler (5) is connected with defrosting heater (6), the touch-screen (8) being connected with described PLC controller (7),
On the connecting line of wherein said condenser (4) and subcooler (5), be provided with fluid reservoir (44);
Described PLC controller (7) connects evaporimeter (2) by the first frequency converter (21), described PLC controller (7) connects compressor (3) by the second frequency converter (31), and described PLC controller (7) connects condenser (4) by the 3rd frequency converter (41).
2. frozen products insulated container refrigeration system according to claim 1, is characterized in that: also comprise alarm (9), described alarm (9) is connected in described PLC controller (7).
3. frozen products insulated container refrigeration system according to claim 2, it is characterized in that: also comprise phase-sequence detector (10), described phase-sequence detector (10) is connected in parallel and is connected in described PLC controller (7) with described the first frequency converter (21), the second frequency converter (31) and the 3rd frequency converter (41) respectively.
4. frozen products insulated container refrigeration system according to claim 2, it is characterized in that: on described compressor (3), be provided with high-voltage relay (37), low-voltage relay (38) and high temperature switch (39), described high-voltage relay (37), low-voltage relay (38) and high temperature switch (39) are connected to described PLC controller (7).
5. frozen products insulated container refrigeration system according to claim 1, is characterized in that: described PLC controller (7) connects described touch-screen (8) by analog quantity communication module (71).
6. frozen products insulated container refrigeration system according to claim 5, is characterized in that: in described container (1), be provided with environment temperature sensor (11);
On described compressor, (3) are provided with compressor electric motor temperature sensor (32), the porch of described compressor (3) is provided with return air temperature sensor (33) and suction pressure of compressor sensor (35), and the port of export of described compressor (3) is provided with compressor discharge temperature sensor (34) and compressor discharge pressure sensor (36);
The arrival end of described condenser (4) is provided with condenser inlet temperature sensor (42), and the port of export of described condenser (4) is provided with condensator outlet temperature sensor (43);
Between described subcooler (5) and compressor (3), be connected with wind pushing temperature sensor (51);
The arrival end of described subcooler (5) is provided with subcooler inlet temperature sensor (52), and the port of export of described subcooler (5) is provided with subcooler outlet temperature sensor (53);
The arrival end of described evaporimeter (2) is provided with evaporator inlet temperature sensor (22), and the port of export of described evaporimeter (2) is provided with evaporator outlet temperature sensor (23);
Described environment temperature sensor (11), compressor electric motor temperature sensor (32), return air temperature sensor (33), suction pressure of compressor sensor (35), compressor discharge temperature sensor (34), compressor discharge pressure sensor (36), condenser inlet temperature sensor (42), condensator outlet temperature sensor (43), wind pushing temperature sensor (51), subcooler inlet temperature sensor (52), subcooler outlet temperature sensor (53), evaporator inlet temperature sensor (22) is connected with described analog quantity communication module (71) respectively with evaporator outlet temperature sensor (23).
7. frozen products insulated container refrigeration system according to claim 1, is characterized in that: between described fluid reservoir (44) and described subcooler (5), be provided with device for drying and filtering (45) and liquid-sighting glass (46).
8. according to the frozen products insulated container refrigeration system described in the arbitrary claim of claim 1～7, it is characterized in that: described PLC controller (7) for model be FX
2Nthe PLC controller of-48MR-001.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227613.4U CN203908151U (en) | 2014-05-05 | 2014-05-05 | Refrigerating system of refrigerated container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227613.4U CN203908151U (en) | 2014-05-05 | 2014-05-05 | Refrigerating system of refrigerated container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908151U true CN203908151U (en) | 2014-10-29 |
Family
ID=51782417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227613.4U Expired - Fee Related CN203908151U (en) | 2014-05-05 | 2014-05-05 | Refrigerating system of refrigerated container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571180A (en) * | 2016-01-13 | 2016-05-11 | 江苏兆胜空调有限公司 | Container cold storage unit |
| CN105953488A (en) * | 2016-03-25 | 2016-09-21 | 合肥天鹅制冷科技有限公司 | Control device for high speed motor refrigerating machine of air compression refrigeration system |
| CN109844430A (en) * | 2016-10-12 | 2019-06-04 | 开利公司 | The operation of energy-saving cold storage container |
-
2014
- 2014-05-05 CN CN201420227613.4U patent/CN203908151U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571180A (en) * | 2016-01-13 | 2016-05-11 | 江苏兆胜空调有限公司 | Container cold storage unit |
| CN105953488A (en) * | 2016-03-25 | 2016-09-21 | 合肥天鹅制冷科技有限公司 | Control device for high speed motor refrigerating machine of air compression refrigeration system |
| CN109844430A (en) * | 2016-10-12 | 2019-06-04 | 开利公司 | The operation of energy-saving cold storage container |
| CN109844430B (en) * | 2016-10-12 | 2021-08-31 | 开利公司 | Energy efficient refrigerated container operation |
| US11359853B2 (en) | 2016-10-12 | 2022-06-14 | Carrier Corporation | Energy efficient refrigerated container operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201259364Y (en) | Automatic control and management system for refrigerating house | |
| CN203908151U (en) | Refrigerating system of refrigerated container | |
| CN103234250A (en) | Chilled water storage air conditioning system and operation method thereof | |
| CN202734158U (en) | Energy-saving control system for ground source heat pump machine room | |
| CN106403336A (en) | Screw type ultralow temperature one-machine two-stage unit system and control method | |
| CN202149654U (en) | Automatic control device for novel energy-saving refrigerating unit | |
| CN209495507U (en) | A kind of defrosting control device for cold storage refrigerating system | |
| CN205421424U (en) | Intelligent constant pressure water supply equipment control system | |
| CN207908946U (en) | Vaccine cold storage control system | |
| CN202383501U (en) | Data acquisition control device for refrigeration houses | |
| CN113282027A (en) | Intelligent business control system and working method thereof | |
| CN204787592U (en) | Refrigerating system operational failure detection device | |
| CN206410385U (en) | The system that a kind of thermodynamic properties of use refrigerant controls blower fan of cooling tower | |
| CN206222735U (en) | A kind of screw ultralow temperature single machine two-stage machine set system | |
| CN206649335U (en) | Intelligent transformer air cooling equipment | |
| CN204285876U (en) | A kind of low temperature refrigeration of air conditioner running gear | |
| CN204063723U (en) | A kind of self-con-tained unit of refrigeration compressor capable of preventing low temperature liquid hammer | |
| CN209470391U (en) | A kind of direct-evaporation-type supercooling water control system | |
| CN113758110A (en) | Multi-refrigeration-house centralized intelligent temperature control management system | |
| CN203010815U (en) | Disaster recovery and cold supplying system capable of periodically accumulating cold and automatically discharging cold for data equipment | |
| CN201355173Y (en) | Automatic control device of frost-free cold store | |
| CN215176340U (en) | Experimental device for control system of high-energy-efficiency plant refrigeration station | |
| CN203710886U (en) | Automatic-temperature-controlled intelligent air purification device | |
| CN202993708U (en) | Parallel screw refrigerating unit control system | |
| CN204648749U (en) | The quick switching device of high/low temperature alternation |
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: 20141029 Termination date: 20150505 |
|
| EXPY | Termination of patent right or utility model |