CN203534008U - Refrigerating temperature and humidity control system of compressor - Google Patents
Refrigerating temperature and humidity control system of compressor Download PDFInfo
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- CN203534008U CN203534008U CN201320497422.5U CN201320497422U CN203534008U CN 203534008 U CN203534008 U CN 203534008U CN 201320497422 U CN201320497422 U CN 201320497422U CN 203534008 U CN203534008 U CN 203534008U
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- temperature
- magnetic valve
- humidity
- control system
- plc controller
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Abstract
The utility model discloses a refrigerating temperature and humidity control system of a compressor. The refrigerating temperature and humidity control system comprises a PLC, a temperature and humidity transmitter, a liquid level alarm, a solid state relay control unit, a humidity control device and a temperature control device. The PLC is in signaling connection with the temperature and humidity transmitter, the liquid level alarm and the solid state relay control unit, the output end of the solid state relay control unit is connected with the temperature control device, the PLC is in signaling connection with a condenser fan and an evaporator fan, and the condenser fan and the evaporator fan are connected in parallel. The refrigerating temperature and humidity control system has the advantages of being fast in cooling and high in refrigerating efficiency and temperature control precision.
Description
Technical field
The utility model belongs to diesel fuel lubricity checkout gear field, is specifically related to a kind of compressor cooling temperature humidity control system.
Background technology
In diesel fuel lubricity checkout gear field, applying temperature, the humidity conditioner supporting with it, to come Control experiment case environment temperature, humidity be a kind of more convenient for other modes, quick, reliable method.Temperature, humidity conditioner generally have following functions: cooling, intensification, humidification, dehumidifying.Wherein cooling function can adopt the mode of semiconductor refrigerating, although semiconductor refrigerating mode has noiseless, without advantages such as wearing and tearing, life-span length, also there is following shortcoming, during as situation in large refrigerating capacity, the refrigerating efficiency of semiconductor cooler is lower than mechanical compression type refrigerator; Galvanic couple heap element adopts high-purity exotic material, adds process conditions not yet very ripe, and element cost compare is high.Range of application and the area of another diesel fuel lubricity checkout gear are in addition more extensive, in the more extreme area of indivedual temperature and humidities, it is lower that the mode of simple employing semiconductor refrigerating reaches refrigeration efficiency, in view of above 2 points, considers a kind of temperature and humidity control device of compressor cooling mode.
Utility model content
The utility model is intended to overcome the defect of prior art, and a kind of compressor cooling temperature humidity control system is provided, and has advantages of that cooling is fast, refrigerating efficiency is high, temperature control precision is high.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
Compressor cooling temperature humidity control system, comprise PLC controller, humiture transducer, liquid level alarm, solid-state relay, humidity conditioner, temperature control equipment, described PLC controller signals is connected with humiture transducer, liquid level alarm, solid-state relay, described solid-state relay output is connected with temperature control equipment and humidity conditioner, described PLC controller signals is connected with condenser fan and the evaporator fan of temperature control equipment, and described condenser fan and evaporator fan are parallel to low-voltage.
Temperature control equipment, comprise refrigeration compressor, refrigeration compressor is connected with PLC controller, described refrigeration compressor connects evaporimeter, condenser formation closed circuit successively by pipeline, described evaporimeter is provided with evaporator fan, described condenser is provided with condenser fan, and described condenser one side is provided with the heater of being controlled by analog output channel and controls temperature.
Humidity conditioner, comprise the air pump being communicated with the gas vent of cabinet below by gas piping, the humidification magnetic valve and the air humidifier that by gas piping, are connected with gas delivery side of pump successively, the air heater being connected with gas delivery side of pump successively by gas piping, air dryer, dehumidifying magnetic valve and emptying magnetic valve; The output of air humidifier and dehumidifying magnetic valve is connected to respectively the gas input port of cabinet after gas piping converges; Air pump, humidification magnetic valve, dehumidifying magnetic valve, emptying magnetic valve, air heater are connected with PLC controller respectively.
Compared with prior art, the utlity model has following beneficial effect:
1, refrigerating efficiency is high, and heating energy efficiency ratio (COP) is the highest can reach 3.8, saves the energy;
2, compressor cooling temperature is controlled and is realized by analog output channel control heater, consider the impact of the factors such as adjusting of the precision of sensor, the matching capacity of executive component and pid parameter, control accuracy at least reaches 0.5 ℃, after matching capacity and parameter optimization, can reach 0.1 ℃, compared with 1 ℃ of thyristor regulator mode, increase;
3, adopt compressor cooling mode, have higher refrigerating capacity, under extreme weather, (indoor temperature is too high) can meet service condition;
4, cooling is fast, for the constant temperature and humidity system using on diesel fuel lubricity system safety testing device, can greatly increase work efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model compressor cooling temperature humidity control system;
Fig. 2 is the flow chart of the utility model temperature control equipment;
Fig. 3 is the flow chart of the utility model humidity conditioner;
Fig. 4 is humidification or the dehumidifying working region figure of the utility model humidity conditioner;
Fig. 5 is the plane demonstration figure of the utility model compressor cooling temperature humidity control system;
Fig. 6 be the utility model compressor cooling temperature humidity control system demonstration figure is set;
Fig. 7 is the parameter calibration demonstration figure of the utility model compressor cooling temperature humidity control system;
Fig. 8 is that the parameter of the utility model compressor cooling temperature humidity control system arranges demonstration figure;
Fig. 9 is the Temperature Setting demonstration figure of the utility model compressor cooling temperature humidity control system;
Figure 10 is the humidity set and display figure of the utility model compressor cooling temperature humidity control system;
Figure 11 is the recovery time set and display figure of the utility model compressor cooling temperature humidity control system;
Figure 12 is the PID set and display figure of the utility model compressor cooling temperature humidity control system;
Figure 13 is the test key frame demonstration figure of the utility model compressor cooling temperature humidity control system;
Figure 14 is the dryer settings demonstration figure of the utility model compressor cooling temperature humidity control system;
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
As Fig. 1, Fig. 2, shown in Fig. 3, compressor cooling temperature humidity control system, comprise PLC controller, humiture transducer 2, liquid level alarm 3, solid-state relay 4, humidity conditioner, temperature control equipment, described PLC controller signals is connected with humiture transducer 2, liquid level alarm 3, solid-state relay 4, described solid-state relay 4 outputs are connected with humidity conditioner and temperature control equipment, described PLC controller signals is connected with condenser fan 61 and the evaporator fan 62 of temperature control equipment, described condenser fan 61 and evaporator fan 62 are parallel to low-voltage.The input of PLC controller and output channel menu are in Table 1 and table 2.
Table 1:PLC controller input channel menu
Table 2:PLC controller output channel menu
Temperature control equipment, comprise refrigeration compressor 63, refrigeration compressor 63 is connected with PLC controller, described refrigeration compressor 63 connects evaporimeter 66, condenser 67 formation closed circuits successively by pipeline, described evaporimeter 66 1 sides are provided with evaporator fan 62, described condenser 67 1 sides are provided with condenser fan 61, and described condenser 67 1 sides are provided with the heater 64 of being controlled by analog output channel and control temperature.
Operation principle, when temperature is higher than when setting value, start working DO0 output of refrigeration compressor, condenser fan DO6 output and evaporator fan DO7 export the output of also simultaneously starting working, refrigeration compressor, condenser fan and evaporator fan will turn round after starting always, and temperature is controlled and by analog output channel control heater, realized; When temperature is lower than when setting value, only has evaporator fan running.Each port output state of temperature controller is in Table 3.Two kinds of modes of refrigeration compressor running: automatically start and manually boot, no matter which kind of mode, can manually stop.
Table 3: each port output state table of temperature control equipment
Humidity conditioner, comprise the air pump 52 being communicated with the gas vent of cabinet 1 below by gas piping, the humidification magnetic valve 51 and the air humidifier 57 that by gas piping, are connected with the output of air pump 52 successively, the air heater 53 being connected with the output of air pump 52 successively by gas piping, air dryer 54, dehumidifying magnetic valve 55 and emptying magnetic valve 56; The output of air humidifier 57 and dehumidifying magnetic valve 55 is connected to respectively the gas input port of cabinet 1 after gas piping 7 converges; Air pump 52, humidification magnetic valve 51, dehumidifying magnetic valve 55, emptying magnetic valve 56, air heater 53 are connected with PLC controller respectively.
As shown in Figure 4, humidity control mode: the control mode of two formulas, after having set setting value and dead band, it will be operated in the operation interval of humidification or dehumidifying.Each port output state of humidity conditioner is in Table 4.
Table 4: each port output state table of humidity conditioner
Note: regeneration 1 is that drier is heated, regeneration 2 is to carry out cooling to drier.
The utility model shows and function setting:
Start: as shown in Figure 5, after start, screen window shows, is shown in Fig. 6 until click screen enters next window.
At this moment, as shown in Figure 6, by clicking needed options, enter in needed function window.
(1). parameter calibration: as shown in Figure 7, will enter the window of parameter calibration after click parameter calibration options.
Demarcation is that convection current amount temperature, two parameters of humidity are demarcated respectively with a process signal prover.
Table 5: the range of humiture transducer and output signal table
| Parameter name | Range | Output signal |
| Test the temperature inside the box | 0-50℃ | 0-5V?DC |
| Humidity in chamber | 0-100％ | 0-5V?DC |
The step of demarcating:
Temperature: 1. click temperature window
2. the lower limit Gong Cheng ﹙ Zhi ﹚ window of clicking temperature term writes the lower limit of demarcation according to the specification of humiture transducer, this value can be determined such as 10 ℃ of existing selections according to working range.
3. the output of process signal prover received in data acquisition temperature channel and be transferred to 10 ℃ of corresponding signal 1V DC, at this moment what descend restriction window demonstration is the binary number after 1V analog quantity A/D conversion; What show value window showed is corresponding engineering value.
4. the upper limit Gong Cheng ﹙ Zhi ﹚ window of clicking temperature term writes the higher limit of demarcation according to the specification of temperature transmitter, this value can be determined such as 50 ℃ of existing selections according to working range.
5. the output of process signal prover is transferred to 50 ℃ of corresponding signal 5V DC and is received the A/D input channel of temperature.At this moment what descend restriction window demonstration is the binary number after 1V analog quantity A/D conversion; What show value window showed is corresponding engineering value.
6. click the detection key of the upper limit, at this moment at data window, can demonstrate the binary number that corresponding 20mA signals collecting arrives, at show value window, can show corresponding engineering unit (L/m) numerical value.
Humidity: click humidity window, 2. repeated temperature demarcates--6. walk.
(2). the setting of parameter: as shown in Figure 8, click after parameter arranges key and will enter parameter setting window.Then click the parameter item of your required setting.
1. Temperature Setting: click temperature term, will enter temperature and window is set sees Fig. 9, click temperature and window is set fills in the numerical value that will set.After setting completes, click return key, turn back to Fig. 8.
2. humidity is set: click humidity item, will enter humidity and window is set sees Figure 10, click humidity and window is set fills in the numerical value that will set; Click the dead time window, fill in the numerical value that will set.After setting completes, click return key, turn back to Fig. 8.
3. the setting of recovery time: click recovery time item, will enter the recovery time window is set sees Figure 11, click the heat time window is set, fill in the numerical value that will set; Click and cool time window is set, fill in the numerical value that will set.After setting completes, click return key, turn back to Fig. 8.
4. the setting of PID: click PID setting option, will enter PID and window is set sees Figure 12, can fill in numerical value at each window respectively, also can click from adjusting key, system can automatically calculate PID numerical value and fill in.After setting completes, click return key, turn back to Fig. 8.
(3). start test: as shown in figure 13, click starts to test key and enters test key frame.
1. click after start key, if at this moment drying system is in running order, be by its zero setting.The all output port sides of control system start working, and refrigeration compressor automatic or manual starts.Listed according to table 3, corresponding output port is also started working.The difunctional button that all buttons are all out/stop, and the color of opening/stop state will be distinguished.
2. when the state of start key in stopping, clicking after dry key, enter next picture and see Figure 14.
3. the time that will press prior setting after the dry key of click is dried with cooling drier.
The foregoing is only explanation embodiment of the present utility model; be not limited to the utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. compressor cooling temperature humidity control system, it is characterized in that: comprise PLC controller, humiture transducer, liquid level alarm, solid-state relay, humidity conditioner, temperature control equipment, described PLC controller signals is connected with humiture transducer, liquid level alarm, solid-state relay, described solid-state relay output is connected with temperature control equipment and humidity conditioner, described PLC controller signals is connected with condenser fan and the evaporator fan of temperature control equipment, and described condenser fan and evaporator fan are parallel to low-voltage.
2. compressor cooling temperature humidity control system according to claim 1, it is characterized in that, temperature control equipment, comprise refrigeration compressor, refrigeration compressor is connected with PLC controller, and described refrigeration compressor connects evaporimeter, condenser formation closed circuit successively by pipeline, and described evaporimeter is provided with evaporator fan, described condenser is provided with condenser fan, and described condenser one side is provided with the heater of being controlled by analog output channel and controls temperature.
3. compressor cooling temperature humidity control system according to claim 1, it is characterized in that, humidity conditioner, comprise the air pump being communicated with the gas vent of cabinet below by gas piping, the humidification magnetic valve and the air humidifier that by gas piping, are connected with gas delivery side of pump successively, the air heater being connected with gas delivery side of pump successively by gas piping, air dryer, dehumidifying magnetic valve and emptying magnetic valve; The output of air humidifier and dehumidifying magnetic valve is connected to respectively the gas input port of cabinet after gas piping converges; Air pump, humidification magnetic valve, dehumidifying magnetic valve, emptying magnetic valve, air heater are connected with PLC controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497422.5U CN203534008U (en) | 2013-08-15 | 2013-08-15 | Refrigerating temperature and humidity control system of compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497422.5U CN203534008U (en) | 2013-08-15 | 2013-08-15 | Refrigerating temperature and humidity control system of compressor |
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| CN203534008U true CN203534008U (en) | 2014-04-09 |
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| CN201320497422.5U Expired - Lifetime CN203534008U (en) | 2013-08-15 | 2013-08-15 | Refrigerating temperature and humidity control system of compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279675A (en) * | 2014-10-17 | 2015-01-14 | 中山市蓝水能源科技发展有限公司 | Dehumidification device in chilled-water-storage refrigerating system |
| CN104457001A (en) * | 2014-12-30 | 2015-03-25 | 广东宏展科技有限公司 | Refrigerating system of environment test device |
| CN106227276A (en) * | 2016-08-31 | 2016-12-14 | 武汉克莱美特环境设备有限公司 | High-and-low temperature humid heat test box temperature accuracy-control system and method |
-
2013
- 2013-08-15 CN CN201320497422.5U patent/CN203534008U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279675A (en) * | 2014-10-17 | 2015-01-14 | 中山市蓝水能源科技发展有限公司 | Dehumidification device in chilled-water-storage refrigerating system |
| CN104457001A (en) * | 2014-12-30 | 2015-03-25 | 广东宏展科技有限公司 | Refrigerating system of environment test device |
| CN106227276A (en) * | 2016-08-31 | 2016-12-14 | 武汉克莱美特环境设备有限公司 | High-and-low temperature humid heat test box temperature accuracy-control system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |