CN204853680U - Air conditioner with constant temperature and humidity - Google Patents
Air conditioner with constant temperature and humidity Download PDFInfo
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- CN204853680U CN204853680U CN201520456738.9U CN201520456738U CN204853680U CN 204853680 U CN204853680 U CN 204853680U CN 201520456738 U CN201520456738 U CN 201520456738U CN 204853680 U CN204853680 U CN 204853680U
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- humidity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 19
- 239000011737 fluorine Substances 0.000 claims abstract description 19
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract 6
- 239000000498 cooling water Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000007791 dehumidification Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 13
- 238000004378 air conditioning Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000010148 water-pollination Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to an air conditioner with constant temperature and humidity, which comprises an outdoor machine and an indoor machine, the indoor set sets up air intake and air outlet, the indoor set has set gradually the cold evaporimeter of fluorine from air intake to air outlet, the water -cooling evaporimeter, electric heater, humidifier injection spray pipe and fan, the indoor set still is provided with the water tank, water temperature sensor, plate heat exchanger, electrode humidifler, temperature and humidity sensor and PLC controller, the off -premises station, the cold evaporimeter of fluorine, the water -cooling evaporimeter, electric heater, the fan, plate heat exchanger, first water pump, the second water pump, electrode humidifler, temperature and humidity sensor and water temperature sensor all with PLC controller control connection. The utility model discloses can realize intensification, cooling, humidification, dehumidification independently adjust, adopt refrigerated water cooling, the dehumidification of refrigerant evaporimeter, electric heater intensification, electrode humidifier humidification, in the room is sent to through the air outlet to the air of handling to reach constant temperature and humidity's purpose, intelligent control is realized to each part of indoor set and PLC controller control connection.
Description
Technical field
The utility model relates to a kind of air conditioner technical field, is specifically related to a kind of constant-temperature constant-humidity air-conditioner.
Background technology
Air-conditioning is widely used as a kind of conditioner, but current air-conditioning have only have temperature adjustment function, can not temperature stabilization be ensured during some refrigerated dehumidifications, not possess the function of constant temperature and humidity, can not satisfy the demands.Existing air-conditioner set deadweight is excessive in addition, area occupied.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of constant-temperature constant-humidity air-conditioner, and it has constant temperature and humidity function.
For achieving the above object, the technical scheme that the utility model is taked is:
A kind of constant-temperature constant-humidity air-conditioner, comprise off-premises station and indoor set, indoor set arranges air inlet and air outlet, and described indoor set is disposed with the cold evaporimeter of fluorine from air inlet to air outlet, water-cooled evaporimeter, electric heater, humidifier atomizing pipe and blower fan, indoor set is also provided with water tank, plate type heat exchanger, electrode humidifler, Temperature Humidity Sensor and PLC, in water tank, cooling-water temperature sensor is installed, first delivery port of described water tank is connected with the water inlet of water-cooled evaporimeter by the first water pump, the delivery port of water-cooled evaporimeter is connected with the water return outlet of water tank, second delivery port of water tank is connected with the water inlet of plate type heat exchanger by the second water pump, the delivery port of plate type heat exchanger is connected with the water return outlet of water tank, plate heat exchanger medium entrance is connected with off-premises station by pipeline with media outlet, the outlet of electrode humidifler is connected with humidifier atomizing pipe, the cold evaporimeter of fluorine is connected with off-premises station, described off-premises station, the cold evaporimeter of fluorine, water-cooled evaporimeter, electric heater, blower fan, plate type heat exchanger, the switch of the first water pump, the switch of the second water pump, electrode humidifler, Temperature Humidity Sensor and cooling-water temperature sensor all with PLC control connection.
Described air inlet is provided with primarily efficient filter plate, activated carbon filtration plate and HEPA filter from outer extremely interior envelope successively.
Described water tank is provided with filling pipe, and filling pipe is connected with running water pipe, and filling pipe is provided with moisturizing valve, moisturizing valve and PLC control connection.
Described water tank is provided with drainpipe and overflow pipe, and drainpipe is connected with discharge line with overflow pipe, and drainpipe is provided with water discharging valve, and overflow pipe is provided with spilling water valve, water discharging valve and spilling water valve and PLC control connection.
Described blower fan is frequency conversion fan.
Described Temperature Humidity Sensor comprises the first Temperature Humidity Sensor and the second Temperature Humidity Sensor, and the first Temperature Humidity Sensor is arranged on air inlet inside indoor set, and the second Temperature Humidity Sensor is arranged on air outlet place inside indoor set.
First delivery port of described water tank is connected with the water inlet of water-cooled evaporimeter by the first pipeline, and the first water pump is arranged on the first pipeline, and the first pipeline is also provided with the first magnetic valve, the first magnetic valve and PLC control connection.
The pipeline that the medium entrance of the cold evaporimeter of described fluorine is connected with off-premises station is provided with the second magnetic valve, the second magnetic valve and PLC control connection.
The pipeline that described plate type heat exchanger medium entrance is connected with off-premises station is provided with the 4th magnetic valve, the 4th magnetic valve and PLC control connection.
The outlet of described electrode humidifler is connected with humidifier atomizing pipe by the 3rd pipeline, the 3rd pipeline is provided with the 3rd magnetic valve, the 3rd magnetic valve and PLC control connection.
Adopt said structure, the utility model can realize heating up, cooling, humidification, dehumidifying is independent to be regulated, the freeze two kinds cold exchanged form that combines of hydrophily refrigeration and fluorine matchmaker is adopted to be respectively used to steady to lower the temperature and the degree of depth dehumidifies, reach accurate control, employing chilled water is lowered the temperature, the cold evaporimeter dehumidifying of fluorine, electric heater heats up, electrode humidifier humidification, treated air reaches setting value and delivers in designated room by air outlet, thus reach the object of constant temperature and humidity, indoor set all parts and PLC control connection, realize automatic regulation function, reach the object of Based Intelligent Control.
Accompanying drawing explanation
Fig. 1 is the structural representation of the solid of the utility model indoor set.
Fig. 2 is the structural representation of the inside of the utility model indoor set.
Fig. 3 is structure principle chart of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1-Figure 3, this constant-temperature constant-humidity air-conditioner, comprise off-premises station and indoor set 1, indoor set 1 sidewall is provided with air inlet 2, indoor set 1 roof is provided with air outlet 3, indoor set is disposed with the cold evaporimeter 4 of fluorine from air inlet to air outlet, water-cooled evaporimeter 5, electric heater 6, humidifier atomizing pipe 7 and blower fan 8, indoor set is also provided with water tank 9, plate type heat exchanger 10, electrode humidifler 11, Temperature Humidity Sensor and PLC, water tank 9, plate type heat exchanger 10 and electrode humidifler 11 are arranged on bottom indoor set, PLC is arranged on indoor set sidewall, cooling-water temperature sensor 13 is installed in water tank 9.First delivery port of water tank 9 is connected with the water inlet of water-cooled evaporimeter 5 by the first pipeline 19, first water pump 14 is arranged on the first pipeline 19, first pipeline is also provided with the first magnetic valve 20, first magnetic valve 20 and PLC control connection, the size of the adjustable chilled-water flow of the first magnetic valve 20, the delivery port of water-cooled evaporimeter 5 is connected by the water return outlet of pipeline with water tank 9.Second delivery port of water tank 9 is connected with the water inlet of plate type heat exchanger 5 by the second water pump 15, the delivery port of plate type heat exchanger 5 is connected by the water return outlet of pipeline with water tank 9, the medium inlet of plate type heat exchanger 5 is connected with off-premises station by pipeline with media outlet, wherein be connected with the 4th pipeline 26 between the medium entrance of plate type heat exchanger and the media outlet of off-premises station, 4th pipeline 26 is provided with the 4th magnetic valve the 27, four magnetic valve 27 and PLC control connection.Water in case realizes cold exchange to regulate water temperature by plate type heat exchanger 10 and the cold-producing medium in off-premises station, water temperature general control in water tank is at 5 degree, cooling-water temperature sensor 13 monitors the temperature of water in water tank in real time, and detection data are transferred to PLC, when the water temperature in water tank is higher than 5 degree, PLC controls the second water pump 15, plate type heat exchanger 10 and off-premises station work and lowers the temperature to water, makes water temperature remain on 5 degree.Be connected with second pipe 23 between the medium entrance of the cold evaporimeter 4 of fluorine and the media outlet of off-premises station, second pipe 23 be provided with the second magnetic valve 24, second magnetic valve 24 and PLC control connection.The outlet of electrode humidifler 11 is connected with humidifier atomizing pipe 7 by the 3rd pipeline 21,3rd pipeline 21 is provided with the 3rd magnetic valve 22,3rd magnetic valve 22 and PLC control connection, the size of the adjustable flux of moisture of the 3rd magnetic valve 22, humidifier atomizing pipe 7 is uniform porose pipes on perisporium, and electrode humidifler 11 is by the 7 pairs of air wettings of humidifier atomizing pipe.The switch of the cold evaporimeter 4 of off-premises station, fluorine, water-cooled evaporimeter 5, electric heater 6, blower fan 8, plate type heat exchanger 10, first water pump, the switch of the second water pump, electrode humidifler 11, Temperature Humidity Sensor, cooling-water temperature sensor 13 all with PLC control connection, PLC can control the cold evaporimeter of fluorine 4 pairs of air and dehumidify, control water-cooled evaporimeter 5 pairs of air to lower the temperature, control electric heater 6 pairs of air and carry out heat temperature raising, control electrode formula humidifier 11 pairs of air carry out humidification, PLC can control all parts and work independently, and is independent of each other.
Air inlet 2 place is provided with primarily efficient filter plate 16, activated carbon filtration plate 17 and HEPA filter 18 from outer to interior envelope successively, the contaminant filter entered in the air of indoor set can be fallen, ensure that air totally cleans.
Temperature Humidity Sensor comprises the first Temperature Humidity Sensor 12 and the second Temperature Humidity Sensor 25, first Temperature Humidity Sensor 12 is arranged on the humiture that air inlet inside indoor set is used for detecting room air, and detection data are transferred to PLC, second Temperature Humidity Sensor 25 is arranged on air outlet place inside indoor set, be used for detecting the humiture of treated wind, guarantee that processed wind reaches requirement.
Water tank is provided with filling pipe, and filling pipe is connected with running water pipe, and filling pipe is provided with moisturizing valve, moisturizing valve and PLC control connection, realizes automatically adding.
Water tank is provided with drainpipe and overflow pipe, and drainpipe is connected with discharge line with overflow pipe, and drainpipe is provided with water discharging valve, and overflow pipe is provided with spilling water valve, water discharging valve and spilling water valve and PLC control connection.
Blower fan 8 is frequency conversion fan, can realize gearshift adjustment.
The utility model is provided with PLC touch screen on indoor set, can set the parameter of unit and adjust.
The control program of constant-humidity constant-temperature air-conditioning of the present utility model is as follows:
Air-conditioning is started shooting first, and PLC control system automatically enters init state Temperature Humidity Sensor and gathers temperature-humidity signal → compare user's design temperature, humidity set point determination open state → initialized;
Cryogenic temperature state: the first Temperature Humidity Sensor 12 collecting temperature Signal transmissions is opened to PLC → C.T higher than user setting value → the first magnetic valve 20, first water pump 14 and water-cooled evaporimeter 5 work → and indoor set goes out cold wind and reduces indoor temperature, temperature reaches user setting value → the first water pump 14 and quits work with water-cooled evaporimeter 5, first magnetic valve 20 cuts out, and blower fan does not stop;
Heat state of temperature: the first Temperature Humidity Sensor 12 collecting temperature Signal transmissions to PLC → C.T lower than user's setting value → electric heater 6 work → indoor set go out hot blast improve indoor temperature, temperature reaches user's setting value → electric heater 6 and quits work, and blower fan does not stop;
Humidification state: the first Temperature Humidity Sensor 12 gathers moisture signal and is transferred to PLC → compare humidity to open lower than user's setting value → the 3rd magnetic valve 22, electrode humidifler 11 works → and indoor set goes out high humility wind and improves indoor humidity, humidity reaches user's setting value → electrode humidifler 11 and quits work, 3rd magnetic valve 22 cuts out, and blower fan does not stop;
Except wet condition: the first Temperature Humidity Sensor 12 gathers moisture signal and is transferred to PLC → compare humidity to open higher than user setting value → the second magnetic valve 24, off-premises station and the cold evaporimeter 4 of fluorine work → and indoor set goes out low humidity wind and reduces indoor humidity, humidity reaches user's setting value → off-premises station and the cold evaporimeter 4 of fluorine quits work, second magnetic valve 24 cuts out, and blower fan does not stop;
Water tank lower water temperature: the water temperature signal that cooling-water temperature sensor 13 gathers in water tank is transferred to PLC, → compare humidity to open higher than user's setting value → the 4th magnetic valve 27, second water pump 15, plate type heat exchanger 10 and off-premises station work → reduction water temperature make water temperature reach user setting value → the second water pump 15 plate type heat exchanger 10 and off-premises station quits work, and the 4th magnetic valve 27 cuts out.
The utility model is a system independently, temperature adjustment, damping can be opened arbitrarily, refrigeration adopts the mode of chilled water, because water temperature easily controls, heat up and adopt electric heater heating, dehumidifying adopts Freon-Evaporator dehumidifying, humidification adopts electrode humidifier humidification, heating, cooling, humidification, dehumidifying independently regulate, and delivered in the space that user specifies, thus reach the object of constant temperature and humidity by wind system.
The utility model adopts the freeze two kinds cold exchanged form that combines of hydrophily refrigeration and fluorine matchmaker to be respectively used to steady to lower the temperature and the degree of depth dehumidifies, reach accurate control, wherein, hydrophily refrigeration adopts freon refrigeration displacement chilled water, the mode of recycling chilled water circulation carries out design concept and the operational mode of constant temperature and constant humidity independence regulable control, air-conditioning equipment is in heating, the energy-efficient controllable silicon realizing stepless linear regulation and frequency conversion stepless time adjustment control technology is adopted respectively under the running status such as humidification and air-supply, for ensureing humid control precision, unit cold also uses energy adjustment magnetic valve flexible modulation institute chilling requirement size, add moisture and accomplish that 0 ~ 100% is stepless linearly adjustable, unit refrigerating capacity, add heat and all accomplish that 0 ~ 100% is stepless linearly adjustable.Meet isothermal humidification, isothermal dehumidifying, etc. under wet heating and cooling isotype during round-the-clock normal operation, also the degree of regulation of constant temperature and humidity unit to indoor environment Temperature and Humidity Control is substantially increased, saving day-to-day operation maintenance cost, achieving the energy-saving and cost-reducing double goal with accurately controlling.
The utility model adopts PLC, respectively field control and detection are carried out to single air conditioner unit and ventilating system, utilize intelligent closed loop PID regulation technology, the flexible setting realizing storehouse district air-conditioner set regulates and controls, accomplish that single control loop operates respectively, independent control, be independent of each other with other control units, do not interfere with each other, increase the operation stability of air-conditioning system.Meanwhile, this PLC control system also should have following characteristics:
A, instrument monitoring adopt PLC to control, and control the brilliant touch display of card dosing and carry out operating and showing.
B, this control system comprise configuration picture: flow chart picture, block diagram picture, tendency chart picture etc., and have historical record, the alarm logging function of technological parameter.System requirements continuity is run, and has high reliability, A.T.C, humidity, realizes the display of various warning, parameter, and configure manual operation, the functional requirement of the items such as the storage of data record and trend printing.
C, friendly man-machine interface, Chinese language; There is system whole process picture; Process flow diaphragm can show in real time the numerical value of each controling parameters.
Claims (10)
1. a constant-temperature constant-humidity air-conditioner, comprises off-premises station and indoor set, and indoor set arranges air inlet and air outlet, it is characterized in that: described indoor set is disposed with the cold evaporimeter of fluorine from air inlet to air outlet, water-cooled evaporimeter, electric heater, humidifier atomizing pipe and blower fan, indoor set is also provided with water tank, plate type heat exchanger, electrode humidifler, Temperature Humidity Sensor and PLC, in water tank, cooling-water temperature sensor is installed, first delivery port of described water tank is connected with the water inlet of water-cooled evaporimeter by the first water pump, the delivery port of water-cooled evaporimeter is connected with the water return outlet of water tank, second delivery port of water tank is connected with the water inlet of plate type heat exchanger by the second water pump, the delivery port of plate type heat exchanger is connected with the water return outlet of water tank, plate heat exchanger medium entrance is connected with off-premises station by pipeline with media outlet, the outlet of electrode humidifler is connected with humidifier atomizing pipe, the cold evaporimeter of fluorine is connected with off-premises station, described off-premises station, the cold evaporimeter of fluorine, water-cooled evaporimeter, electric heater, blower fan, plate type heat exchanger, the switch of the first water pump, the switch of the second water pump, electrode humidifler, Temperature Humidity Sensor and cooling-water temperature sensor all with PLC control connection.
2. constant-temperature constant-humidity air-conditioner according to claim 1, is characterized in that: described air inlet is provided with primarily efficient filter plate, activated carbon filtration plate and HEPA filter from outer extremely interior envelope successively.
3. constant-temperature constant-humidity air-conditioner according to claim 1, is characterized in that: described water tank is provided with filling pipe, and filling pipe is connected with running water pipe, and filling pipe is provided with moisturizing valve, moisturizing valve and PLC control connection.
4. constant-temperature constant-humidity air-conditioner according to claim 3, it is characterized in that: described water tank is provided with drainpipe and overflow pipe, drainpipe is connected with discharge line with overflow pipe, drainpipe is provided with water discharging valve, overflow pipe is provided with spilling water valve, water discharging valve and spilling water valve and PLC control connection.
5. constant-temperature constant-humidity air-conditioner according to claim 1, is characterized in that: described blower fan is frequency conversion fan.
6. constant-temperature constant-humidity air-conditioner according to claim 1, it is characterized in that: described Temperature Humidity Sensor comprises the first Temperature Humidity Sensor and the second Temperature Humidity Sensor, first Temperature Humidity Sensor is arranged on air inlet inside indoor set, and the second Temperature Humidity Sensor is arranged on air outlet place inside indoor set.
7. constant-temperature constant-humidity air-conditioner according to claim 1, it is characterized in that: the first delivery port of described water tank is connected with the water inlet of water-cooled evaporimeter by the first pipeline, first water pump is arranged on the first pipeline, first pipeline is also provided with the first magnetic valve, the first magnetic valve and PLC control connection.
8. constant-temperature constant-humidity air-conditioner according to claim 7, is characterized in that: the pipeline that the medium entrance of the cold evaporimeter of described fluorine is connected with off-premises station is provided with the second magnetic valve, the second magnetic valve and PLC control connection.
9. constant-temperature constant-humidity air-conditioner according to claim 8, is characterized in that: the pipeline that described plate type heat exchanger medium entrance is connected with off-premises station is provided with the 4th magnetic valve, the 4th magnetic valve and PLC control connection.
10. constant-temperature constant-humidity air-conditioner according to claim 9, is characterized in that: the outlet of described electrode humidifler is connected with humidifier atomizing pipe by the 3rd pipeline, the 3rd pipeline is provided with the 3rd magnetic valve, the 3rd magnetic valve and PLC control connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456738.9U CN204853680U (en) | 2015-06-29 | 2015-06-29 | Air conditioner with constant temperature and humidity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456738.9U CN204853680U (en) | 2015-06-29 | 2015-06-29 | Air conditioner with constant temperature and humidity |
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| CN204853680U true CN204853680U (en) | 2015-12-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913393A (en) * | 2015-06-29 | 2015-09-16 | 马维理 | Constant-temperature constant-humidity air conditioner |
| CN105485776A (en) * | 2016-01-26 | 2016-04-13 | 太仓苏晟电气技术科技有限公司 | Intelligent air conditioner with air quality regulation function |
| CN105509159A (en) * | 2016-01-26 | 2016-04-20 | 太仓苏晟电气技术科技有限公司 | Intelligent air conditioner with air purifying function |
| CN111256793A (en) * | 2020-03-23 | 2020-06-09 | 山东宜维检测有限公司 | Environment-friendly high-precision constant-temperature constant-humidity weighing device |
| CN112432246A (en) * | 2020-11-20 | 2021-03-02 | 科圣鹏环境科技有限公司 | Constant-temperature and constant-humidity air treatment equipment and method |
-
2015
- 2015-06-29 CN CN201520456738.9U patent/CN204853680U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913393A (en) * | 2015-06-29 | 2015-09-16 | 马维理 | Constant-temperature constant-humidity air conditioner |
| CN105485776A (en) * | 2016-01-26 | 2016-04-13 | 太仓苏晟电气技术科技有限公司 | Intelligent air conditioner with air quality regulation function |
| CN105509159A (en) * | 2016-01-26 | 2016-04-20 | 太仓苏晟电气技术科技有限公司 | Intelligent air conditioner with air purifying function |
| CN111256793A (en) * | 2020-03-23 | 2020-06-09 | 山东宜维检测有限公司 | Environment-friendly high-precision constant-temperature constant-humidity weighing device |
| CN112432246A (en) * | 2020-11-20 | 2021-03-02 | 科圣鹏环境科技有限公司 | Constant-temperature and constant-humidity air treatment equipment and method |
| CN112432246B (en) * | 2020-11-20 | 2021-08-10 | 科圣鹏环境科技有限公司 | Constant-temperature and constant-humidity air treatment equipment and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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Effective date of registration: 20160127 Address after: 450001 No. 55 Yulan street, hi tech Development Zone, Henan, Zhengzhou Patentee after: ZHENGZHOU FENGHUA INDUSTRIAL CO., LTD. Address before: 450099 No. 55 Yulan street, hi tech Development Zone, Henan, Zhengzhou Patentee before: Ma Weili |