CN212499791U - Remove full new trend equipment of constant temperature - Google Patents
Remove full new trend equipment of constant temperature Download PDFInfo
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- CN212499791U CN212499791U CN202022103918.2U CN202022103918U CN212499791U CN 212499791 U CN212499791 U CN 212499791U CN 202022103918 U CN202022103918 U CN 202022103918U CN 212499791 U CN212499791 U CN 212499791U
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- 239000007788 liquid Substances 0.000 claims abstract description 26
- 230000004224 protection Effects 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims 1
- 206010021143 Hypoxia Diseases 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010257 thawing Methods 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a remove full fresh air equipment of constant temperature, which comprises a compressor, electric heater, the PLC electric cabinet, portable tuber pipe, a water pump, a condenser, the condensing fan, the evaporimeter, the forced draught blower, the expansion valve, the liquid storage pot, vapour and liquid separator, pressure and temperature sensor, the mobile unit, adopt siemens PLC and touch-sensitive screen and other low-voltage switch component to constitute the electric cabinet, a measure temperature for among the receiving system, the protection signal realizes the control to the system, through this equipment, provide the constant temperature new trend for airtight environment's equipment and personnel, improve working face temperature, humidity, the environment of oxygen deficiency, with the problem that the ordinary air conditioning equipment of solution prior art is difficult to the realization.
Description
Technical Field
The utility model relates to a full fresh air refrigeration and firing equipment technical field especially relate to a remove full fresh air equipment of constant temperature.
Background
At present, a lot of constant temperature environment all use the circulated air refrigeration heating to keep the uniform temperature, at a lot of airtight environment and removal workplace, precision equipment and personnel need the constant temperature new trend, it is high or lower to work as ambient temperature, humidity is great, not ventilate in the equipment, precision equipment and personnel are difficult to normal work, consequently need a removal constant temperature new trend equipment, provide the new trend and keep the uniform temperature to operational environment, and general air conditioning equipment is difficult to satisfy airtight environment and to temperature and new trend requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a remove full new trend equipment of constant temperature, through this equipment, for equipment and the personnel of airtight environment provide the constant temperature new trend, improves working face temperature, humidity, the environment of oxygen deficiency to solve the problem that prior art's ordinary air conditioning equipment is difficult to realize.
The utility model discloses a realize through following technical scheme:
a movable constant-temperature fresh air device comprises a scroll compressor, a first three-way valve, a first air-cooled condenser, a second three-way valve, a liquid storage tank, a drying filter, a liquid viewing mirror, an expansion valve, a bypass electromagnetic valve, an evaporator, a gas-liquid separator, an air inlet pipe, an air feeder and an air supply pipe, wherein the output end of the scroll compressor is connected with the input end of the first three-way valve, one end of the output end of the first three-way valve is connected with the input end of the first air-cooled condenser, the other end of the first three-way valve is connected with the input end of the second air-cooled condenser, the output end of the first air-cooled condenser is connected with the input end of the second three-way valve, the output end of the second three-way, the utility model discloses a liquid-viewing mirror, including expansion valve, liquid-viewing mirror, bypass solenoid valve, evaporator, gas-liquid separator, electric heater, forced draught blower, air feeder, liquid-viewing mirror output and expansion valve input be connected, the branch road one of expansion valve output pass through the pipeline and be connected with bypass solenoid valve input, bypass solenoid valve output and gas-liquid separator input union coupling, the branch road two of expansion valve output is connected with the evaporator input, the evaporator output with the gas-liquid separator input connect, gas-liquid separator output and scroll compressor input be connected, the evaporator be located the entrance of air-supply line, still install electric heater at the entrance of air-supply line, the export and the forced draught.
A first temperature and humidity sensor, an air filter screen and a pressure difference controller are further mounted at the inlet of the air inlet pipe; and a second temperature and humidity sensor, a wind pressure sensor, a wind speed sensor and a manual wind volume adjusting switch are installed at the air outlet of the air supply pipe.
And an exhaust temperature protection valve, a high-pressure switch and a high-pressure sensor are sequentially arranged on a pipeline between the scroll compressor and the first three-way valve.
And a first condensing fan and a second condensing fan are respectively arranged on the two sides of the first air-cooled condenser and the second air-cooled condenser, and the first condensing fan and the second condensing fan are respectively regulated in speed according to signals given by the high-pressure sensor, so that the condensing pressure is kept at a certain value.
And a low-pressure sensor and a low-pressure switch are sequentially arranged on a pipeline between the output end of the gas-liquid separator and the input end of the scroll compressor.
The PLC is adopted for control, and the electric heater works by PWM output voltage of the solid-state relay and the periodic wave controller.
According to the set temperature, the scroll compressor works together with the electric heater without stopping after being started, and according to the temperature and humidity sensor, the PID is adopted to control the air outlet set temperature.
The air outlet is provided with a manual air volume adjusting switch, and the air volume is adjusted by a wind pressure sensor and a wind speed sensor.
The defrosting of the refrigerating system adopts bypass solenoid valve hot gas bypass defrosting, and the scroll compressor does not need to be stopped during defrosting.
The utility model discloses a dress is on the mobile unit, and convenient removal is used and blast pipe length is adjustable. The utility model discloses a siemens PLC-200SMART and touch screen man-machine operation to monitor unit temperature, humidity, wind pressure, wind speed isoparametric through 485 interface remote communication, open the start-stop operation to the unit, the unit during operation starts the forced draught blower earlier, then starts according to setting for temperature start scroll compressor and electric heater.
The control adopts PLC-200SMART control, controls the fresh air temperature by using the refrigeration and electric heating of a vortex compressor, and detects the pressure, the air speed and the air supply temperature of the air outlet of the system.
The unit control adopts a Siemens PLC-200SMART controller and a touch screen, a Noatt air switch and an alternating current contactor are adopted, an air supply centrifugal fan adopts a high-speed high-pressure fan, the air supply temperature can be set, a refrigeration system adopts high-pressure protection, low-pressure protection, overload protection, power protection and various protections of the system, and the unit control also has a 485 interface and can realize modular control and remote monitoring.
The utility model has the advantages that: the utility model provides a remove the constant temperature new trend, for the equipment and the personnel of airtight environment provide the constant temperature new trend, improve working face temperature, humidity, the environment of oxygen deficiency to guarantee equipment and personnel's normal work.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a mobile constant-temperature full fresh air device is characterized in that: including scroll compressor 1, electric heater 23, PLC electric cabinet 31, portable air-supply line 24, blast pipe 30, water pump, condenser, condensing fan, evaporimeter 16, forced draught blower 25, expansion valve 14, liquid storage pot 11, vapour and liquid separator 17, pressure and temperature sensor, mobile unit: the output end of the scroll compressor 1 (ZR 42K 3-TFD) is connected with the input end of a first three-way valve 5 through a pipeline DN12.7, one end of the output end of the first three-way valve 5 is connected with the input end of a first air-cooled condenser 8, the other end of the output end of the first air-cooled condenser 8 is connected with the input end of a second three-way valve 10, the output end of the second air-cooled condenser 9 is connected with the other input end of the second three-way valve 10, the output end of the second three-way valve 10 is connected with the input end of a liquid storage tank 11(CLS08-13/13), the output end of the liquid storage tank 11(CLS08-13/13) is connected with the input end of a drying filter 12(EK084S) through a pipeline, the output end of the drying filter 12(EK084S) is connected with the input end of a liquid viewing mirror 13(HMI-TT4) through a pipeline, the output end, the first output end branch of the expansion valve 14(HFE10H) is connected with the input end of a bypass electromagnetic valve 15(EVR6) through a pipeline DN12, the output end of the bypass electromagnetic valve 15(EVR6) is connected with the input pipe of the gas-liquid separator 17(A-AS 5139), the second output end branch of the expansion valve 14(HFE10H) is connected with the input end of the evaporator 16 through a pipeline, the output end of the evaporator 16 is connected with the input end of the gas-liquid separator 17, and the output end of the gas-liquid separator 17(A-AS 5139) is connected with the input end of the compressor 1 through a pipeline DN 22.2. Air-supply line 24, install temperature and humidity sensor 20(RSHT-2-2-C-150-2-1), airstrainer 21, pressure difference controller 22(QBM81), evaporimeter 16, electric heater 23(12KW finned heater) is connected with forced draught blower 25 (RG 45T-2 DN.F5.1R) input, forced draught blower 25 (RG 45T-2 DN.F5.1R) export be connected with blast pipe 30, blast pipe 30 is installed temperature and humidity sensor two 26(RSHT-2-2-C-150-2-1), wind pressure sensor 27(DG-131), air velocity transducer 28(CTV110WS), manual amount of wind regulating switch 29.
And an exhaust temperature protection valve 2, a high-pressure switch 3 and a high-pressure sensor 4 are sequentially arranged on a pipeline between the scroll compressor 1 and the three-way valve 5.
A low-pressure sensor 18 and a low-pressure switch 19 are sequentially arranged on a pipeline between the output end of the gas-liquid separator 17 and the input end of the scroll compressor 1.
The air inlet pipe 24 is provided with a temperature and humidity sensor I20 (RSHT-2-2-C-150-2-1), an air filter screen 21, a pressure difference controller 22(QBM81), an evaporator 16, an electric heater 23(12KW finned heater) and a fan 25 (RG 45T-2 DN.F5.1R) input end are connected, an outlet of the air blower 25 (RG 45T-2 DN.F5.1R) is connected with an air supply pipe 30, the air supply pipe 30 is provided with a temperature and humidity sensor II 26(RSHT-2-2-C-150-2-1), an air pressure sensor 27(DG-131), an air speed sensor 28(CTV110WS) and a manual air volume adjusting switch 29.
The first condensing fan 6 and the second condensing fan 7(S4D450-AU01-01) can adjust the speed of the condensing fans (S4D450-AU01-01) by the PLC (S7-200 SAMRT) according to signals given by the high-pressure sensor 4(PT5-30M), so that the condensing pressure is kept at a certain value.
The PLC (S7-200 SMART) is adopted for control, and the electric heater 23(12KW finned heater) works by PWM output voltage of a solid-state relay (SSR-3H380D75) and a periodic wave controller (SSR-CYC).
According to the set temperature, the scroll compressor 1 (ZR 42K 3-TFD) does not stop working together with the electric heating 23(12KW finned heater) after starting, and according to the temperature and humidity sensor II 26(RSHT-2-2-C-150-2-1), the air outlet temperature reaches the set value by adopting PID control through the PLC (S7-200 SMART).
The air outlet is provided with a manual air volume adjusting switch 29, and the air volume is adjusted according to the wind pressure sensor 27(DG-131) and the wind speed sensor 28(CTV110 WS).
The defrosting of the refrigerating system adopts the hot gas bypass defrosting of the bypass solenoid valve 15(EVR6), and the scroll compressor 1 (ZR 42K 3-TFD) does not need to be stopped during defrosting.
The constant-temperature fresh air system is arranged on the vehicle-mounted equipment, is convenient to move and use, and the length of the air supply pipe is adjustable.
The utility model discloses a siemens PLC S7-200 SMART and touch-sensitive screen (SMART 700IEV3) constitute electric cabinet 31 for measure the temperature in the receiving system, protection signal and realize the control to the system.
The utility model discloses a concrete working process as follows:
when the equipment works, after a unit is powered on, a starting instruction is given through a touch screen (SMART 700IEV3) on an electric cabinet 31, firstly, the temperature Te (25 ℃) of an air outlet is set according to the requirements of a user, various protection parameters such as pressure, current and exhaust temperature are set, after the unit is powered on, a blower 25 (RG 45T-2DN 5.1R) is started, time is sequentially delayed for 2-3 minutes, the air supply temperature T is detected, when the Te-Delta T is not more than T and not more than Te + Delta T in the following range of the air supply temperature T, the system is in ventilation, when the air supply temperature T is more than Te + Delta T, a scroll compressor 1 (ZR 42K 3-TFD) is started, the system enters cooling refrigeration and keeps the scroll compressor 1 (ZR 42K 3-TFD) working all the time, when the air supply temperature T is detected and not more than Te-Delta T, an electric heating 23(12 finned heater) is started, the system enters a heating, and PID control is carried out on the air outlet temperature T through a PLC (S7-200 SMART), so that the fresh air outlet reaches a set value T. When the condensing pressure is reduced to be less than or equal to 13KG/cm, the rotating speed of the condensing fan is reduced to the lowest, when the condensing pressure is increased to be more than or equal to 18KG/cm, the rotating speed of the condensing fan is increased to the largest, when the temperature of the condenser is less than or equal to-4 ℃, hot gas bypass defrosting of the bypass electromagnetic valve 15(EVR6) is performed, defrosting is completed when the temperature of the condenser is more than or equal to 8 ℃, when high-low protection occurs on the system high-pressure switch 3 and the low-pressure switch 19, the system alarms and stops continuous operation air supply of the scroll compressor 1 (ZR 42K 3-TFD), when the temperature of the system exhaust temperature protection 2 is more than or equal to 105 ℃, and when the alarm of the pressure difference controller 22(QBM81) can prompt a user to clean or replace the air filter.
The electric cabinet 31 is composed of a Siemens PLC-200SMART (a CPU module SR30AC/DC/RLY, an analog quantity module EMAE04, a temperature resistance module EMAR04) and a touch screen (SMART 700IEV3), an alternating current contactor EX9C 2511, a thermal overload relay (EX 9R 3813), a molded case circuit breaker (EX9M2S SU20 AC 1603P), an intermediate relay (RXM 2AB2P 7), a phase sequence protector (RM 4TG 20), an emergency stop switch (XB 2BS 542C) and an indicator lamp (AD 16-22/AC/CD/220V), and controls the operation of the unit. If a user needs remote control, the 485 communication line can be used for connecting the unit controller to control and modify the operation parameters of the unit.
Generally speaking, the utility model is to feed back the outlet air temperature T to the controller through the temperature sensor of the outlet air of the equipment, compare the outlet air temperature T with the set value Te, when the temperature sensed by the temperature sensor is higher than the set value, the controller gives out a signal, and the scroll compressor 1 (ZR 42K 3-TFD) is started to perform refrigeration; when the air outlet temperature is lower than a set value Te-delta T, the controller gives a signal, the electric heating 23(12KW finned heater) controlled by PWM with adjustable power (0-100%) is started, PID control is carried out on the air outlet temperature of fresh air, the air supply temperature of the fresh air can be accurately controlled to meet the requirements of equipment and personnel, and the scroll compressor 1 (ZR 42K 3-TFD) is stopped when the system is protected.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a remove full new trend equipment of constant temperature which characterized in that: the device comprises a scroll compressor, a first three-way valve, a first air-cooled condenser, a second three-way valve, a liquid storage tank, a drying filter, a sight glass, an expansion valve, a bypass solenoid valve, an evaporator, a gas-liquid separator, an air inlet pipe, a blower and an air supply pipe, wherein the output end of the scroll compressor is connected with the input end of the first three-way valve, one end of the output end of the first three-way valve is connected with the input end of the first air-cooled condenser, the other end of the output end of the first three-way valve is connected with the input end of the second air-cooled condenser, the output end of the second air-cooled condenser is connected with the other input end of the second three-way valve, the output end of the second three-way valve is connected with the, the utility model discloses an expansion valve, including expansion valve output, gas-liquid separator, evaporator, electric heater, forced draught blower, inlet connection, bypass solenoid valve input, bypass solenoid valve output, bypass solenoid valve input, the branch road two of expansion valve output is connected with the evaporator input through the pipeline, bypass solenoid valve output and vapour and liquid separator input, the branch road two of expansion valve output is connected with the evaporator input, the evaporator output with vapour and liquid separator input connect, vapour and liquid separator output be connected with the scroll compressor input, the evaporator be located the entrance of air-supply line, still install electric heater in the entrance of air-supply line, the export and the forced draught blower.
2. A mobile constant temperature total fresh air device according to claim 1, characterized in that: a first temperature and humidity sensor, an air filter screen and a pressure difference controller are further mounted at the inlet of the air inlet pipe; and a second temperature and humidity sensor, a wind pressure sensor, a wind speed sensor and a manual wind volume adjusting switch are installed at the air outlet of the air supply pipe.
3. A mobile constant temperature total fresh air device according to claim 1, characterized in that: and an exhaust temperature protection valve, a high-pressure switch and a high-pressure sensor are sequentially arranged on a pipeline between the scroll compressor and the first three-way valve.
4. A mobile constant temperature total fresh air device according to claim 3, wherein: and a first condensing fan and a second condensing fan are respectively arranged on the two sides of the first air-cooled condenser and the second air-cooled condenser, and the first condensing fan and the second condensing fan are respectively regulated in speed according to signals given by the high-pressure sensor, so that the condensing pressure is kept at a certain value.
5. A mobile constant temperature total fresh air device according to claim 1, characterized in that: and a low-pressure sensor and a low-pressure switch are sequentially arranged on a pipeline between the output end of the gas-liquid separator and the input end of the scroll compressor.
6. A mobile constant temperature total fresh air device according to claim 1, characterized in that: the electric heater is controlled by a PLC, and works by PWM output voltage of a solid-state relay and a periodic wave controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103918.2U CN212499791U (en) | 2020-09-23 | 2020-09-23 | Remove full new trend equipment of constant temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103918.2U CN212499791U (en) | 2020-09-23 | 2020-09-23 | Remove full new trend equipment of constant temperature |
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| Publication Number | Publication Date |
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| CN212499791U true CN212499791U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022103918.2U Active CN212499791U (en) | 2020-09-23 | 2020-09-23 | Remove full new trend equipment of constant temperature |
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| CN (1) | CN212499791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009201A (en) * | 2020-09-23 | 2020-12-01 | 合肥天鹅制冷科技有限公司 | Remove full new trend equipment of constant temperature |
-
2020
- 2020-09-23 CN CN202022103918.2U patent/CN212499791U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009201A (en) * | 2020-09-23 | 2020-12-01 | 合肥天鹅制冷科技有限公司 | Remove full new trend equipment of constant temperature |
| CN112009201B (en) * | 2020-09-23 | 2025-01-03 | 合肥天鹅制冷科技有限公司 | A mobile constant temperature fresh air device |
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