CN217302995U - Special air conditioning unit of integrative grain of slow su of multi-functional segmentation cooling - Google Patents
Special air conditioning unit of integrative grain of slow su of multi-functional segmentation cooling Download PDFInfo
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- CN217302995U CN217302995U CN202220396671.4U CN202220396671U CN217302995U CN 217302995 U CN217302995 U CN 217302995U CN 202220396671 U CN202220396671 U CN 202220396671U CN 217302995 U CN217302995 U CN 217302995U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a multifunctional air conditioning unit special for sectional cooling and tempering integrated grain, belonging to the technical field of air conditioning equipment and aiming at solving the problem that when super-cooled air is sent into a granary, the grain is deteriorated due to the dewing of the grain with higher temperature; the refrigerating device is connected with the control device, and the water outlet is connected with the refrigerating device in a closed loop manner through a fourth copper pipe; the utility model discloses can guarantee the segmentation cooling of air, prevent that the cooling from arousing too fast that grain dewfall arouses that grain is rotten.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field specifically is a special air conditioning unit of integrative grain of multi-functional segmentation cooling slow su.
Background
The low-temperature storage can improve the quality of grains and improve the storage water content of the grains, and meanwhile, the low-temperature condition can effectively inhibit the activities of pests, slow down the propagation of the pests and reduce the times of fumigation of phosphine; the low-temperature grain storage equipment adopted at present mainly comprises a grain cooler for cooling grain piles and a temperature control unit for the upper space of grain surfaces; the two devices have the function of cooling, but the air supply temperature cannot be accurately controlled, and the dew condensation of grains is often caused due to the fact that the air supply temperature is too low; when the air is cooled, the moisture in the air is removed, the loss of the grains is caused, the grain storage benefit is reduced, and the quality of the grains is influenced.
When low-temperature grains are taken out of the bin, due to the fact that the temperature difference between the grains in the bin and air outside the bin is large, moisture is easily condensed on the surfaces of the grains, the grains are rotten and deteriorated, the taste of the grains is affected, and grain storage loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it causes the rotten problem of grain to meet the higher grain dewfall of temperature and arouse when sending into the granary to aim at solving the subcooling air.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a special air conditioning unit of integrative grain of multi-functional segmentation cooling slow su, includes condensing equipment, refrigerating plant, controlling means and outlet and constitutes, condensing equipment with refrigerating plant forms the closed loop through first copper pipe, second copper pipe, third copper union coupling, refrigerating plant with controlling means connects, the outlet with refrigerating plant passes through fourth copper pipe closed loop and connects.
Preferably, the condensing device comprises a variable frequency scroll compressor, a high pressure gauge, a refrigerant pressure controller, a four-way reversing valve, a second fin type heat exchanger, a third fin type heat exchanger, an axial flow fan, a refrigerant expansion valve, a one-way valve, a gas-liquid separator, a refrigerant charging valve, a drying filter, a second stop valve, a low pressure gauge, a first stop valve and the like, the four-way reversing valve comprises a first connecting port, a second connecting port, a third connecting port and a fourth connecting port, the first connecting port is located at the left end of the four-way reversing valve, the right end of the four-way reversing valve is sequentially provided with the second connecting port, the third connecting port and the fourth connecting port from top to bottom, the left end of the variable frequency scroll compressor is connected with the high pressure gauge through a fifth copper pipe, the fifth copper pipe is provided with the stop valve, and the high pressure gauge is connected with the refrigerant pressure controller through a sixth copper pipe, the left end of the variable-frequency scroll compressor is connected with a first connecting port of the four-way reversing valve through a seventh copper pipe, a second connecting port of the four-way reversing valve is connected with a second fin type heat exchanger and the upper end and the lower end of a third fin type heat exchanger through an eighth copper pipe, the axial flow fan is positioned between the second fin type heat exchanger and the third fin type heat exchanger, the third fin type heat exchanger is connected with the gas-liquid separator through a ninth copper pipe, a one-way valve is arranged on the ninth copper pipe, the gas-liquid separator is connected with the drying filter through a tenth copper pipe, a stop valve is arranged on the tenth copper pipe in a connecting mode, the drying filter is connected with the refrigerating device through a first copper pipe, a second stop valve is arranged on the first copper pipe in a connecting mode, and the right end of the variable-frequency scroll compressor is connected with the low-pressure gauge through an eleventh copper pipe, the eleventh copper pipe is provided with a first stop valve, the low pressure gauge is connected with the refrigerant pressure controller through a twelfth copper pipe, the right end of the variable-frequency scroll compressor is connected with the gas-liquid separator through a thirteenth copper pipe, a third connector of the four-way reversing valve is connected with the gas-liquid separator through a fourteenth copper pipe, a refrigerant liquid adding valve is arranged on the fourteenth copper pipe, a fourth connector of the four-way reversing valve is connected with the refrigerating device through a second copper pipe, the third fin type heat exchanger is connected with the refrigerating device through a third copper pipe, a one-way valve is arranged on the third copper pipe, and the fourth copper pipe is communicated with the second copper pipe.
Preferably, the refrigerating device comprises a liquid viewing mirror, a first finned heat exchanger, a refrigerant electromagnetic valve, a refrigerant expansion valve, an outer rotor centrifugal fan and the like, one end of the liquid viewing mirror and the first finned heat exchanger pass through a fifteenth copper pipe, a refrigerant electromagnetic valve, a one-way valve and a refrigerant expansion valve are arranged on a fifteenth copper pipe closed loop, the first finned heat exchanger is connected with the outer rotor centrifugal fan through a sixteenth copper pipe, the first finned heat exchanger is connected with the control device and the temperature and humidity sensor, an air inlet is arranged on the right side of the first finned heat exchanger, an air outlet is arranged on the right side of the outer rotor centrifugal fan, the fifteenth copper pipe is communicated with the third copper pipe and the tenth copper pipe, a one-way valve is arranged on a communication pipeline between the fifteenth copper pipe and the tenth copper pipe, and the fourth copper pipe is communicated with the fifteenth copper pipe.
Compared with the prior art, the beneficial effects of the utility model reside in that: the refrigeration device, the condensing device and the control device are matched to ensure the sectional cooling of air, so that the grains are prevented from being deteriorated due to dewing caused by too fast cooling.
Drawings
Fig. 1 is a schematic structural view of a multifunctional segmented cooling and tempering integrated air conditioning unit special for grain according to an embodiment of the present invention;
description of reference numerals:
in the figure: a variable frequency scroll compressor 1; a gas-liquid separator 2; a refrigerant charging valve 3; a first shut-off valve 4; low pressure gauge 5; a refrigerant pressure controller 6; high pressure gauge 7; a four-way reversing valve 8; a check valve 9; a drying filter 10; a stop valve 11; a liquid-viewing mirror 12; a refrigerant expansion valve 13; a first finned heat exchanger 14; an outer rotor centrifugal fan 15; a control device 16; a temperature and humidity sensor 17; a refrigerant solenoid valve 18; a refrigerant expansion valve 19; an axial flow fan 20; the second fin heat exchanger 21; a third finned heat exchanger 22; a drain opening 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "lateral", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example (b):
the utility model provides a special air conditioning unit of integrative grain of multi-functional segmentation cooling slow su, includes condensing equipment, refrigerating plant, controlling means 16 and outlet 23 and constitutes, condensing equipment with refrigerating plant forms the closed loop through first copper pipe, second copper pipe, third copper union coupling, refrigerating plant with controlling means 16 connects, outlet 23 with refrigerating plant passes through fourth copper pipe closed loop and connects.
Further, the condensing device comprises a variable frequency scroll compressor 1, a high pressure gauge 7, a refrigerant pressure controller 6, a four-way reversing valve 8, a second finned heat exchanger 21, a third finned heat exchanger 22, an axial flow fan 20, a refrigerant expansion valve 19, a one-way valve 9, a gas-liquid separator 2, a refrigerant liquid adding valve 3, a drying filter 10, a second stop valve 11, a low pressure gauge 5, a first stop valve 4 and the like, wherein the four-way reversing valve 8 comprises a first connecting port, a second connecting port, a third connecting port and a fourth connecting port, the first connecting port is located at the left end of the four-way reversing valve 8, the right end of the four-way reversing valve 8 is sequentially provided with the second connecting port, the third connecting port and the fourth connecting port from top to bottom, the left end of the variable frequency scroll compressor 1 is connected with the high pressure gauge 7 through a fifth copper pipe, and the fifth copper pipe is provided with the stop valve, the high-pressure gauge 7 is connected with the refrigerant pressure controller 6 through a sixth copper pipe, the left end of the variable-frequency scroll compressor 1 is connected with the first connecting port of the four-way reversing valve 8 through a seventh copper pipe, the second connecting port of the four-way reversing valve 8 is connected with the upper end and the lower end of the second fin-type heat exchanger 21 and the third fin-type heat exchanger 22 through an eighth copper pipe, the axial flow fan 20 is positioned between the second fin-type heat exchanger 21 and the third fin-type heat exchanger 22, the third fin-type heat exchanger 22 is connected with the gas-liquid separator 2 through a ninth copper pipe, the ninth copper pipe is provided with a one-way valve 9, the gas-liquid separator 2 is connected with the drying filter 10 through a tenth copper pipe, the tenth copper pipe is connected with a stop valve, and the drying filter 10 is connected with the refrigerating device through a first copper pipe, the first copper pipe is connected with a second stop valve 11, the right end of the variable frequency scroll compressor 1 is connected with the low pressure meter 5 through an eleventh copper pipe, the eleventh copper pipe is provided with a first stop valve 4, the low pressure gauge 5 is connected with the refrigerant pressure controller 6 through a twelfth copper pipe, the right end of the variable-frequency scroll compressor 1 is connected with the gas-liquid separator 2 through a thirteenth copper pipe, the third connecting port of the four-way reversing valve 8 is connected with the gas-liquid separator 2 through a fourteenth copper pipe, a refrigerant liquid adding valve 3 is arranged on the fourteenth copper pipe, a fourth connecting port of the four-way reversing valve 8 is connected with the refrigerating device through a second copper pipe, the third finned heat exchanger 22 is connected with the refrigerating device through a third copper pipe, a check valve is arranged on the third copper pipe, and the fourth copper pipe is communicated with the second copper pipe.
Further, the refrigerating device comprises a liquid viewing mirror 12, a first fin type heat exchanger 14, a refrigerant electromagnetic valve 18, a refrigerant expansion valve 13, an outer rotor centrifugal fan 15 and the like, one end of the liquid viewing mirror 12 is connected with the first fin type heat exchanger 14 through a fifteenth copper pipe, the fifteenth copper pipe is provided with the refrigerant electromagnetic valve 18, a one-way valve and the refrigerant expansion valve 13 on a closed loop, the first fin type heat exchanger 14 is connected with the outer rotor centrifugal fan 15 through a sixteenth copper pipe, the first fin type heat exchanger 14 is connected with the control device 16 and the temperature and humidity sensor 17, the right side of the first fin type heat exchanger 14 is provided with an air inlet, the right side of the outer rotor centrifugal fan 15 is provided with an air outlet, the fifteenth copper pipe is communicated with a third copper pipe and a tenth copper pipe, and a one-way valve is arranged on a communication pipeline of the fifteenth copper pipe and the tenth copper pipe, the fourth copper pipe is communicated with the fifteenth copper pipe.
Further, the control device 16 is composed of a PLC controller, a touch display screen, a contactor, a thermal relay, a temperature and humidity sensor 17, and the like.
The working principle is as follows: when the air in the granary needs to be refrigerated and dehumidified, high-temperature and high-pressure refrigerant gas from the variable-frequency scroll compressor 1 enters the finned heat exchanger 21 through a seventh copper pipe and the four-way reversing valve 8, is cooled in the finned heat exchanger 21 through the axial flow fan 20 to become medium-temperature and high-pressure refrigerant liquid, enters the one-way valve 9 through a ninth copper pipe and then enters the gas-liquid separator 2, enters the drying filter 10 through a tenth copper pipe, passes through the stop valve 11, the sight glass 12 and the refrigerant electromagnetic valve 18, enters the refrigerant expansion valve 13 through the one-way valve on the 15 th copper pipe, enters the finned heat exchanger 14 after being decompressed and throttled by the refrigerant expansion valve 13, is vaporized in the finned heat exchanger 14 to absorb heat, is blown out through the centrifugal fan 15 to cool the air in the granary, the refrigerant returns to the four-way reversing valve 8 through the second copper pipe, and returns to the variable-frequency scroll compressor 1 after entering the gas-liquid separator 2 through the fifteenth channel through the tenth pipeline, so that the refrigerant circulation is completed. The unit takes 3 ℃ (adjustable) as a step difference, the temperature is reduced section by section, when the refrigeration is started, the frequency conversion scroll compressor 1 runs at full frequency, when the temperature is reached, the frequency conversion scroll compressor 1 automatically adjusts the frequency, runs at low frequency, keeps the temperature in the refrigerator constant for half an hour (the time can be set), compares the temperature according to the temperature in the refrigerator and the set temperature, judges whether the unit needs to continue the refrigeration, and finally reaches the set temperature. When heating and tempering, the temperature and humidity required in the granary are set in the PLC, when the air in the granary needs to be heated, the high-temperature and high-pressure refrigerant gas from the variable-frequency scroll compressor 1 enters the finned heat exchanger 14 through the second copper pipe and the four-way reversing valve 8, is cooled in the finned heat exchanger 14 through the centrifugal fan 15, releases heat into the granary to become medium-temperature and high-pressure refrigerant liquid, enters the gas-liquid separator 2 through the one-way valve on the path from the fifteenth copper pipe to the tenth copper pipe, enters the drying filter 10 through the tenth copper pipe, passes through the stop valve 11, the sight glass 12 and the refrigerant electromagnetic valve 18, enters the refrigerant expansion valve 19 after passing through the one-way valve on the third pipeline, enters the finned heat exchanger 21 after pressure reduction and throttling through the refrigerant expansion valve 19, and the refrigerant absorbs heat in the finned heat exchanger 21 and the finned heat exchanger 22, cold air is blown out by the axial flow fan 20 to absorb heat of air outside the bin, and the refrigerant returns to the four-way reversing valve 8 through the eighth copper pipe, passes through the gas-liquid separator 2 and then returns to the variable-frequency scroll compressor 1 to complete the heating cycle of the refrigerant.
The using method comprises the following steps: the utility model discloses a carry out the segmentation cooling to the storehouse air, run into the higher grain dewfall of temperature and arouse grain rotten when preventing that the supercooling air from sending into the granary, the unit uses 3 ℃ as a grade difference, the cooling of segmentation one by one, when just beginning to refrigerate, 1 full frequency operation of frequency conversion scroll compressor, when arriving the temperature, 1 automatically regulated frequency of frequency conversion scroll compressor, operate under the low frequency, keep the interior constancy of temperature (time can be set for) of storehouse, again according to the gentle temperature comparison of setting for in the storehouse, judge whether the unit needs to continue to refrigerate half an hour, finally reach the temperature of setting for. Before the low-temperature grains are taken out of the granary, the unit starts a heating function, so that the temperature in the granary is increased, and the phenomenon that the low-temperature grains in the granary are dewed due to the overlarge temperature difference between the inside and the outside of the granary when being taken out of the granary is avoided, and the grain quality is influenced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. The utility model provides a special air conditioning unit of integrative grain of multi-functional segmentation cooling slow su, includes controlling means (16), its characterized in that: the refrigerating device is connected with the control device (16), and the water outlet (23) is connected with the refrigerating device in a closed loop mode through a fourth copper pipe.
2. The multifunctional air conditioning unit special for segmented cooling and tempering integrated grain according to claim 1, and is characterized in that: the condensing device comprises a variable-frequency scroll compressor (1), a high-pressure gauge (7), a refrigerant pressure controller (6), a four-way reversing valve (8), a second finned heat exchanger (21), a third finned heat exchanger (22), an axial flow fan (20), a refrigerant expansion valve (19), a one-way valve (9), a gas-liquid separator (2), a refrigerant liquid adding valve (3), a drying filter (10), a second stop valve (11), a low-pressure gauge (5) and a first stop valve (4), wherein the four-way reversing valve (8) comprises a first connecting port, a second connecting port, a third connecting port and a fourth connecting port, the first connecting port is located at the left end of the four-way reversing valve (8), the right end of the four-way reversing valve (8) is sequentially provided with the second connecting port, the third connecting port and the fourth connecting port from top to bottom, the left end of the variable-frequency scroll compressor (1) is connected with the high-pressure gauge (7) through a fifth copper pipe, a stop valve is arranged on the fifth copper pipe, the high-pressure gauge (7) is connected with the refrigerant pressure controller (6) through a sixth copper pipe, the left end of the variable-frequency scroll compressor (1) is connected with the first connecting port of the four-way reversing valve (8) through a seventh copper pipe, the second connecting port of the four-way reversing valve (8) is connected with the upper end and the lower end of the second fin type heat exchanger (21) and the upper end and the lower end of the third fin type heat exchanger (22) through an eighth copper pipe, the axial flow fan (20) is positioned between the second fin type heat exchanger (21) and the third fin type heat exchanger (22), the third fin type heat exchanger (22) is connected with the gas-liquid separator (2) through a ninth copper pipe, a one-way valve (9) is arranged on the ninth copper pipe, and the gas-liquid separator (2) is connected with the dry filter (10) through a tenth copper pipe, a stop valve is arranged on the tenth copper pipe connection, the drying filter (10) is connected with the refrigerating device through a first copper pipe, a second stop valve (11) is arranged on the first copper pipe connection, the right end of the variable-frequency scroll compressor (1) is connected with the low-pressure meter (5) through an eleventh copper pipe, the eleventh copper pipe is provided with a first stop valve (4), the low-pressure meter (5) is connected with the refrigerant pressure controller (6) through a twelfth copper pipe, the right end of the variable-frequency scroll compressor (1) is connected with the gas-liquid separator (2) through a thirteenth copper pipe, a third connecting port of the four-way reversing valve (8) is connected with the gas-liquid separator (2) through a fourteenth copper pipe, a refrigerant liquid adding valve (3) is arranged on the fourteenth copper pipe, and a fourth connecting port of the four-way reversing valve (8) is connected with the refrigerating device through a second copper pipe, the third finned heat exchanger (22) is connected with the refrigerating device through a third copper pipe, a one-way valve is arranged on the third copper pipe, and the fourth copper pipe is communicated with the second copper pipe.
3. The multifunctional air conditioning unit special for segmented cooling and tempering integrated grain according to claim 1, and is characterized in that: the refrigerating device comprises a liquid viewing mirror (12), a first fin type heat exchanger (14), a refrigerant electromagnetic valve (18), a refrigerant expansion valve (13) and an outer rotor centrifugal fan (15), one end of the liquid viewing mirror (12) is connected with the first fin type heat exchanger (14) through a fifteenth copper pipe, the fifteenth copper pipe is provided with the refrigerant electromagnetic valve (18), a one-way valve and the refrigerant expansion valve (13) on a closed loop, the first fin type heat exchanger (14) is connected with the outer rotor centrifugal fan (15) through a sixteenth copper pipe, the first fin type heat exchanger (14) is connected with a control device (16) and a temperature and humidity sensor (17), the right side of the first fin type heat exchanger (14) is provided with an air inlet, the right side of the outer rotor centrifugal fan (15) is provided with an air outlet, and the fifteenth copper pipe is communicated with a third copper pipe and a tenth copper pipe, and a one-way valve is arranged on a communication pipeline between the fifteenth copper pipe and the tenth copper pipe, and the fourth copper pipe is communicated with the fifteenth copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220396671.4U CN217302995U (en) | 2022-02-25 | 2022-02-25 | Special air conditioning unit of integrative grain of slow su of multi-functional segmentation cooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220396671.4U CN217302995U (en) | 2022-02-25 | 2022-02-25 | Special air conditioning unit of integrative grain of slow su of multi-functional segmentation cooling |
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| Publication Number | Publication Date |
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| CN217302995U true CN217302995U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220396671.4U Active CN217302995U (en) | 2022-02-25 | 2022-02-25 | Special air conditioning unit of integrative grain of slow su of multi-functional segmentation cooling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682975A (en) * | 2021-01-07 | 2021-04-20 | 云南楚雄国家粮食储备库 | Special air conditioning unit of ladder cooling grain face |
-
2022
- 2022-02-25 CN CN202220396671.4U patent/CN217302995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682975A (en) * | 2021-01-07 | 2021-04-20 | 云南楚雄国家粮食储备库 | Special air conditioning unit of ladder cooling grain face |
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