CN209991565U - Full fresh air roof type air conditioning unit capable of running all year round - Google Patents
Full fresh air roof type air conditioning unit capable of running all year round Download PDFInfo
- Publication number
- CN209991565U CN209991565U CN201920404211.XU CN201920404211U CN209991565U CN 209991565 U CN209991565 U CN 209991565U CN 201920404211 U CN201920404211 U CN 201920404211U CN 209991565 U CN209991565 U CN 209991565U
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- heat exchanger
- indoor heat
- air conditioning
- conditioning unit
- control unit
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Abstract
The utility model relates to the technical field of air conditioning units, and provides a full fresh air roof type air conditioning unit which runs all the year round, which comprises a compressor, wherein the compressor is respectively connected with an indoor heat exchanger group and an outdoor heat exchanger through a reversing valve; a throttling component is also connected between the indoor heat exchanger group and the outdoor heat exchanger; the indoor heat exchanger group comprises a plurality of indoor heat exchangers which are connected in parallel, and each indoor heat exchanger is connected with an electromagnetic valve; each electromagnetic valve is respectively connected with a control unit, and the control unit is also connected with a temperature sensor for measuring the outdoor temperature. Therefore, the indoor heat exchanger group is formed by the indoor heat exchangers 1 which are connected in parallel, and each indoor heat exchanger is connected with the electromagnetic valve; the electromagnetic valve is connected with the control unit, and the control unit is also connected with a temperature sensor for measuring the outdoor temperature; according to the switch quantity of the electromagnetic valves controlled according to the outdoor temperature, proper amount of wind is ensured to be in the room, so that the equipment is ensured to work with proper power all the year round, and waste is avoided.
Description
Technical Field
The utility model relates to an air conditioning unit technical field especially relates to a full fresh air roof formula air conditioning unit of operation all the year round.
Background
In recent years, extreme weather is increasing, and extra burden is brought to the operation of the cooling and heating air conditioning unit. However, generally speaking, the air temperature in most of the year is still in a normal range, and most of the existing air conditioning units operate at fixed power, so that unnecessary waste is caused, the operation life of the units is shortened, and the operation cost is increased.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, an object of the present invention is to provide a full fresh air roof type air conditioning unit operating all year round, which comprises a plurality of indoor heat exchangers 1 connected in parallel to form an indoor heat exchanger group, each indoor heat exchanger being connected to a solenoid valve; the electromagnetic valve is connected with the control unit, and the control unit is also connected with a temperature sensor for measuring the outdoor temperature; according to the switch quantity of the electromagnetic valves controlled according to the outdoor temperature, proper amount of wind is ensured to be in the room, so that the equipment is ensured to work with proper power all the year round, and waste is avoided.
In order to achieve the purpose, the utility model provides a full fresh air roof type air conditioning unit which runs all the year round, which comprises a compressor, wherein the compressor is respectively connected with an indoor heat exchanger group and an outdoor heat exchanger through a reversing valve; a throttling component is also connected between the indoor heat exchanger group and the outdoor heat exchanger;
the indoor heat exchanger group comprises a plurality of indoor heat exchangers which are connected in parallel, and each indoor heat exchanger is connected with an electromagnetic valve; each electromagnetic valve is respectively connected with a control unit, and the control unit is also connected with a temperature sensor for measuring the outdoor temperature.
According to the utility model discloses a full fresh air roof formula air conditioning unit of full year's operation, the switching-over valve is the four-way switching-over valve.
According to the utility model discloses a full fresh air roof formula air conditioning unit of annual operation, indoor heat exchanger's quantity is 3 groups at least.
According to the utility model discloses a full fresh air roof formula air conditioning unit of annual operation, indoor heat exchanger's quantity is 5 ~ 8 groups.
According to the utility model discloses a full fresh air roof formula air conditioning unit of full year's operation, indoor heat exchanger is the air-cooled heat exchanger.
According to the utility model discloses a full fresh air roof formula air conditioning unit of full year's operation, outdoor heat exchanger is water-cooling heat exchanger.
According to the utility model discloses a full fresh air roof formula air conditioning unit of operation all the year round, water cooled heat exchanger's water route exit still is equipped with water route switch and water pump.
According to the utility model discloses a full fresh air roof formula air conditioning unit of full year's operation, circulating water among the water-cooled heat exchanger adopts the heating of outside heat source.
According to the full fresh air roof type air conditioning unit which runs all the year round, the throttling component is an expansion valve and a capillary tube which are connected in parallel, and the capillary tube is also connected with an electromagnetic valve in series; the expansion valve is a thermal expansion valve; the electromagnetic valve is connected with the control unit.
According to the full fresh air roof type air conditioning unit which runs all the year round, the expansion valve is an electronic expansion valve; the electronic expansion valve is connected with a frequency converter, and the frequency converter is connected with the control unit.
The utility model aims to provide a full fresh air roof type air conditioning unit which runs all the year round, an indoor heat exchanger group is formed by a plurality of indoor heat exchangers 1 which are connected in parallel, and each indoor heat exchanger is connected with an electromagnetic valve; the electromagnetic valve is connected with the control unit, and the control unit is also connected with a temperature sensor for measuring the outdoor temperature; according to the switch quantity of the electromagnetic valves controlled according to the outdoor temperature, proper amount of wind is ensured to be in the room, so that the equipment is ensured to work with proper power all the year round, and waste is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
in the figure, 1-indoor heat exchanger, 2-compressor, 21-reversing valve; 3-outdoor heat exchanger, 31-waterway switch, 32-water pump; 4-control unit, 41-frequency converter, 42-temperature sensor; 5-expansion valve, 51-electromagnetic valve, 52-capillary tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The above-mentioned directions or positions of the upper, lower, left, right, etc. are referred to in this specification for better describing the technical solution in conjunction with the drawings, so that the reader can understand that the practical implementation includes but is not limited to this description.
Referring to fig. 1, the utility model provides a full fresh air roof type air conditioning unit which runs all the year round, comprising a compressor 2, wherein the compressor 2 is respectively connected with an indoor heat exchanger group and an outdoor heat exchanger 3 through a reversing valve 21; a throttling component is also connected between the indoor heat exchanger group and the outdoor heat exchanger 3; preferably, the reversing valve 21 is a four-way reversing valve, so that the flow direction of the refrigerant can be conveniently switched according to the working conditions in winter and summer.
The indoor heat exchanger group comprises a plurality of indoor heat exchangers 1 which are connected in parallel, and each indoor heat exchanger 1 is connected with an electromagnetic valve 51; the electromagnetic valve 51 is connected with the control unit 4, and the control unit 4 is also connected with a temperature sensor 42 for measuring the outdoor temperature; according to the switch number of the electromagnetic valves 51 controlled according to the outdoor temperature, proper amount of wind is ensured indoors, so that the equipment is ensured to work with proper power all the year round, and waste is avoided.
For better accomplish real-time regulation, the quantity of indoor heat exchanger 1 is 3 groups at least, the utility model discloses preferred 5 ~ 8 groups.
As an embodiment, the throttling component is an expansion valve 5 and a capillary 52 which are connected in parallel, the capillary 52 is also connected in series with a solenoid valve 51; the expansion valve 5 is a thermostatic expansion valve.
The electromagnetic valve 51 is connected with the control unit 4; the threshold value (such as 0 ℃ or 5 ℃) for opening the electromagnetic valve 51 can be set according to the outdoor temperature, so that the defects of the thermal expansion valve in performance are made up, and the requirements of high-temperature working conditions are met.
Referring to fig. 2, the expansion valve 5 is an electronic expansion valve as an example; the electronic expansion valve is connected with a frequency converter 41, and the frequency converter 41 is connected with the control unit 4; the output frequency of the frequency converter 41 is changed according to the outdoor temperature, and the opening degree of the electronic expansion valve is controlled. Therefore, the opening of the electronic expansion valve is controlled in a segmented mode according to the environment temperature, and the adaptability of the unit is improved.
Preferably, the indoor heat exchanger 1 is an air-cooled heat exchanger. Used for conveying cold air or hot air to the room.
Preferably, the outdoor heat exchanger 3 is a water-cooled heat exchanger. Preferably, the circulating water in the water-cooling heat exchanger is heated by an external heat source. The requirement of low-temperature working condition is met.
The external heat source can be underground water, and can also be wind energy, solar energy or biological energy. Preferably, a waterway switch 31 and a water pump 32 are further arranged at the waterway outlet of the water-cooling heat exchanger. The waterway switch 31 may be a manual control switch or an electric control waterway switch. Preferably, the electric control waterway switch and the water pump 32 are respectively connected to the control unit 4 in order to control the amount of circulating water according to the outdoor temperature. Further, the water pump 32 is connected to the control unit 4 through an inverter 41.
To sum up, the utility model aims at providing a full fresh air roof type air conditioning unit which runs all the year round, an indoor heat exchanger group is formed by a plurality of indoor heat exchangers 1 which are connected in parallel, and each indoor heat exchanger is connected with an electromagnetic valve; the electromagnetic valve is connected with the control unit, and the control unit is also connected with a temperature sensor for measuring the outdoor temperature; according to the switch quantity of the electromagnetic valves controlled according to the outdoor temperature, proper amount of wind is ensured to be in the room, so that the equipment is ensured to work with proper power all the year round, and waste is avoided.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The full fresh air roof type air conditioning unit running all year round is characterized by comprising a compressor, wherein the compressor is respectively connected with an indoor heat exchanger group and an outdoor heat exchanger through reversing valves; a throttling component is also connected between the indoor heat exchanger group and the outdoor heat exchanger;
the indoor heat exchanger group comprises a plurality of indoor heat exchangers which are connected in parallel, and each indoor heat exchanger is connected with an electromagnetic valve; each electromagnetic valve is respectively connected with a control unit, and the control unit is also connected with a temperature sensor for measuring the outdoor temperature.
2. The fully year operational rooftop air conditioning unit of claim 1, wherein the reversing valve is a four-way reversing valve.
3. The fully year operational rooftop air conditioning unit of claim 1, wherein the number of indoor heat exchangers is at least 3 groups.
4. The air conditioning unit of claim 3, wherein the number of indoor heat exchangers is 5-8.
5. The air conditioning unit as claimed in claim 1, wherein the indoor heat exchanger is an air-cooled heat exchanger.
6. The full fresh air rooftop air conditioning unit of any of claims 1 to 5, wherein the outdoor heat exchanger is a water cooled heat exchanger.
7. The air conditioning unit of claim 6, wherein a waterway switch and a water pump are further provided at the waterway outlet of the water-cooled heat exchanger.
8. The air conditioning unit as claimed in claim 7, wherein the circulating water in the water cooled heat exchanger is heated by an external heat source.
9. The air conditioning unit of claim 7 or 8, wherein the throttling assembly is an expansion valve and a capillary tube connected in parallel, and the capillary tube is further connected in series with a solenoid valve; the expansion valve is a thermal expansion valve; the electromagnetic valve is connected with the control unit.
10. The full fresh air rooftop air conditioning unit of claim 9, wherein the expansion valve is an electronic expansion valve; the electronic expansion valve is connected with a frequency converter, and the frequency converter is connected with the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404211.XU CN209991565U (en) | 2019-03-28 | 2019-03-28 | Full fresh air roof type air conditioning unit capable of running all year round |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404211.XU CN209991565U (en) | 2019-03-28 | 2019-03-28 | Full fresh air roof type air conditioning unit capable of running all year round |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209991565U true CN209991565U (en) | 2020-01-24 |
Family
ID=69290295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920404211.XU Expired - Fee Related CN209991565U (en) | 2019-03-28 | 2019-03-28 | Full fresh air roof type air conditioning unit capable of running all year round |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209991565U (en) |
-
2019
- 2019-03-28 CN CN201920404211.XU patent/CN209991565U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |