CN211476086U

CN211476086U - Split type multi-split air conditioner

Info

Publication number: CN211476086U
Application number: CN201920466904.1U
Authority: CN
Inventors: 胡以迪
Original assignee: Wuhan Runtop Maida High Tech Co ltd
Current assignee: Wuhan Runtop Maida High Tech Co ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-09-11
Anticipated expiration: 2029-04-09

Abstract

The utility model relates to an air conditioner technical field just discloses split type many online air conditioners, including indoor set and off-premises station, the top fixed mounting of indoor set has the cover, the positive fixed mounting of indoor set has the return air grid, the return air grid is two hasp fixed connection through quantity with the front of indoor set, the inside fixed mounting of indoor set has the evaporimeter, the bottom of return air grid and the positive fixed mounting that is located the indoor set have a tuber grid. This split type multi-split air conditioner for one outdoor unit can be attached to one or more indoor units, can singly open one or more, makes when installing in railway driver and crew's workspace, every workspace all can have independent air conditioning equipment, compares with general central air conditioning, has avoided that general central air conditioning opens and has had one, and the problem that power consumption is big, therefore it has energy saving, the working cost is low, adaptability advantage such as good.

Description

Split type multi-split air conditioner

Technical Field

The utility model relates to an air conditioner technical field specifically is a split type multi-split air conditioner.

Background

An air conditioner, i.e. an air conditioner, is a device for manually adjusting and controlling parameters such as temperature, humidity, cleanliness, flow rate and the like of ambient air in buildings and structures, generally comprising a cold source/heat source device, a cold and hot medium transmission and distribution system, a terminal device and other auxiliary devices, mainly comprising a refrigeration host, a water pump, a fan and a pipeline system, wherein the terminal device is responsible for utilizing the cold and heat quantity transmitted and distributed to specifically process the air state so as to enable the air parameters of a target environment to meet requirements.

With the rapid development of railways, multifunctional operation vehicles for overhauling and matching also come into play, the requirement on the comfort level of drivers and passengers is higher and higher, air conditioning devices on the multifunctional operation vehicles have an updating requirement, each working space needs an air conditioning device, and a central air conditioner has higher energy consumption when in use, so that a split type multi-split air conditioner is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a split type multi-split air conditioner possesses the lower grade advantage of energy consumption, has solved along with the rapid development of railway, and the maintenance, supporting multi-functional operation car also should be transported to give birth to, and requires more and more high to driver and crew's comfort level, and air conditioning equipment on multi-functional operation car has had the requirement of renewal, and every workspace all needs air conditioner device's problem.

(II) technical scheme

For realizing the lower purpose of above-mentioned energy consumption, the utility model provides a following technical scheme: a split multi-split air conditioner comprises an indoor unit and an outdoor unit, wherein a cover is fixedly installed at the top of the indoor unit, an air return grid is fixedly installed on the front surface of the indoor unit and fixedly connected with the front surface of the indoor unit through two lock catches, an evaporator is fixedly installed in the indoor unit, an air outlet grid is fixedly installed at the bottom of the air return grid and positioned on the front surface of the indoor unit, two indicating lamps are arranged on the front surface of the indoor unit, a rear cover is fixedly installed on the back surface of the indoor unit, a first electric control box is embedded on the right side of the indoor unit, a first box cover is fixedly installed on the right side of the first electric control box, a filter screen positioned in the indoor unit is fixedly installed on the back surface of the air return grid, an electric heater positioned on the front surface of the evaporator is fixedly installed in the indoor unit, and the, the outdoor unit comprises an outdoor unit and is characterized in that a box cover is fixedly mounted at the top of the outdoor unit, an outdoor fan located inside the outdoor unit is fixedly mounted at the bottom of the box cover, a condenser is fixedly mounted inside the outdoor unit, a compressor located on the back face of the condenser is fixedly mounted inside the outdoor unit, a second electric control box is embedded in the right side of the outdoor unit, and a second box cover is fixedly mounted on the right side of the second electric control box.

Preferably, the left side and the right side of the indoor unit are fixedly provided with two installation feet, the installation feet are L-shaped, and the front surfaces of the installation feet are provided with fixing holes.

Preferably, the indoor unit comprises an air cooler, a filter, a liquid distributor, a restrictor and a casing, and the air cooler, the filter, the liquid distributor and the restrictor are all fixedly installed inside the casing.

Preferably, the outdoor unit comprises a shell, an oil separator, a gas-liquid separator, a high-pressure unloading mechanism, a high-low pressure balance pipeline, a liquid spraying cooling mechanism and a high-low pressure protection switch, the compressor, the condenser, the oil separator, the gas-liquid separator, the high-pressure unloading mechanism, the high-low pressure balance pipeline and the liquid spraying cooling mechanism are all connected through a copper tube, the liquid spraying cooling mechanism comprises a jet valve connected with the compressor and a decompression valve connected with the tail end of the condenser, and the oil separator, the gas-liquid separator, the high-low pressure unloading mechanism, the high-low pressure balance pipeline, the liquid spraying cooling mechanism and the high-low pressure protection switch are fixedly installed in the shell.

Preferably, the connecting pipe is a copper pipe, and the indoor unit is connected with the liquid supply and air return interfaces of the outdoor unit through the connecting pipe.

Preferably, the top of the case cover is provided with a vent matched with the outdoor fan, and the filter screen is a polyester fiber dust screen.

(III) advantageous effects

Compared with the prior art, the utility model provides a split type multi-split air conditioner possesses following beneficial effect:

when the split multi-split air conditioner is used, the indoor unit and the outdoor unit are started, air enters the indoor unit through the return air grid and then is cooled or heated and then is blown out through the air outlet grid, the outdoor unit performs heat exchange between the inside and the outside through the outdoor fan, then refrigerant is conveyed to the indoor unit through the connecting pipe, when the outdoor unit is started, if the internal pressure and the internal temperature of the condenser are increased, the locked pressure and the temperature rise of the compressor are intensified, the injection valve is started to perform cooling and pressure reduction, when the high-pressure front switch for compressor exhaust acts in advance compared with the sensor, the pressure relief valve at the tail end of the condenser is opened, the pressure reduction is started until the high-pressure switch is reset, the system enters a normal refrigeration working state, so that one or more indoor units can be attached to one outdoor unit, one or more indoor units can be singly opened, and when the system is installed in working, compared with the common central air conditioner, the central air conditioner avoids the problems of one-opening and one-opening of the common central air conditioner and large energy consumption, so the central air conditioner has the advantages of energy conservation, low operating cost, good adaptability and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the outdoor unit of the present invention.

In the figure: 1 indoor set, 2 covers, 3 return air grids, 4 lock catches, 5 evaporators, 6 air outlet grids, 7 indicator lights, 8 rear covers, 9 first electric control boxes, 10 first box covers, 11 filter screens, 12 electric heaters, 13 connecting pipes, 14 outdoor sets, 15 box covers, 16 outdoor fans, 17 compressors, 18 condensers, 19 second electric control boxes and 20 second box covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a split multi-split air conditioner includes an indoor unit 1 and an outdoor unit 14, wherein two installation legs are fixedly installed on both left and right sides of the indoor unit 1, the installation legs are L-shaped, the front surfaces of the installation legs are respectively provided with a fixing hole, the indoor unit 1 includes an air cooler, a filter, a liquid separator, a restrictor and a casing, the air cooler, the filter, the liquid separator and the restrictor are all fixedly installed inside the casing, a cover 2 is fixedly installed on the top of the indoor unit 1, a return air grid 3 is fixedly installed on the front surface of the indoor unit 1, the return air grid 3 is fixedly connected with the front surface of the indoor unit 1 through two lock catches 4, an evaporator 5 is fixedly installed inside the indoor unit 1, an air outlet grid 6 is fixedly installed at the bottom of the return air grid 3 and located on the front surface of the indoor unit 1, two indicator, a rear cover 8 is fixedly installed on the back surface of the indoor unit 1, a first electric control box 9 is embedded on the right side of the indoor unit 1, a first box cover 10 is fixedly installed on the right side of the first electric control box 9, a filter screen 11 positioned in the indoor unit 1 is fixedly installed on the back surface of the air return grid 3, an electric heater 12 positioned on the front surface of the evaporator 5 is fixedly installed in the indoor unit 1, the indoor unit 1 is communicated with an outdoor unit 14 through a connecting pipe 13, the connecting pipe 13 is a copper pipe, the indoor unit 1 is connected with a liquid supply interface and an air return interface of the outdoor unit 14 through the connecting pipe 13, a box cover 15 is fixedly installed on the top of the outdoor unit 14, an outdoor fan 16 positioned in the outdoor unit 14 is fixedly installed at the bottom of the box cover 15, the model of the outdoor fan 16 can be 106060, a vent matched with the outdoor fan 16 is formed on, the type of the condenser 18 can be 6440, the outdoor unit 14 comprises a shell, an oil separator, a gas-liquid separator, a high-pressure unloading mechanism, a high-pressure and low-pressure balance pipeline, a liquid spraying cooling mechanism and a high-pressure and low-pressure protection switch, the liquid spraying cooling mechanism comprises a jet valve connected with the compressor 17 and a pressure relief valve connected with the tail end of the condenser 18, the compressor 17, the condenser 18, the oil separator, the gas-liquid separator, the high-pressure and low-pressure unloading mechanism, the high-pressure and low-pressure balance pipeline and the liquid spraying cooling mechanism are all connected through copper tubes, the oil separator, the gas-liquid separator, the high-pressure unloading mechanism, the high-pressure and low-pressure balance pipeline, the liquid spraying cooling mechanism and the high-pressure and low-pressure protection switch are all fixedly installed in the shell, the compressor 17 positioned on the back face of the condenser 18 is fixedly installed in the outdoor unit 14, the type of the compressor 17, the utility model discloses attach one or more indoor set 1 to an outdoor unit 14, because of the refrigerating power of outdoor unit 14 is rated, and the consumption power of indoor set 1 is floated, that is to say when indoor set 1 operational environment situation surpassed the setting value of general matching, outdoor unit 14 provides refrigerant cold volume and just unsuitable for the demand of indoor set 1, the interior temperature rise of interior pressure of condenser 18 when indoor set 1 demand reduces, compressor 17 lock-rotor pressure and temperature rise aggravation, the injection valve starts, cool down and step down, when compressor exhaust high pressure front switch moves ahead than the sensor, the pressure relief valve at the condenser end is opened, step down begins, until high pressure switch resets, the system gets into normal refrigerated operating condition, when using, indoor set 1 and outdoor unit 14 start, the air passes through return air grid 3 and gets into behind indoor set 1 refrigeration or heat and blow out through air-out grid 6 again, the outdoor machine 14 exchanges heat with the inside and outside through an outdoor fan 16, then the refrigerant is transmitted to the indoor machine 1 through a connecting pipe 13, when the outdoor machine 14 is opened, if the internal pressure and the internal temperature of the condenser 18 are increased, the blocking pressure and the temperature rise of the compressor 17 are intensified, the injection valve is started to lower the temperature and reduce the pressure, when the compressor exhaust high-pressure front switch acts in advance than the sensor, the pressure relief valve at the tail end of the condenser is opened, the pressure reduction starts until the high-pressure switch is reset, the system enters the working state of normal refrigeration, so that one outdoor machine 14 can be associated with one or more indoor machines 1, one or more indoor machines can be individually opened, when the system is installed in the working space of railway drivers, each working space can be provided with an independent air conditioning device, compared with a common central air conditioner, the problems of one opening and one opening of the common central air conditioner and large energy consumption are avoided, low operation cost, good adaptability and the like.

To sum up, when the split multi-split air conditioner is used, the indoor unit 1 and the outdoor unit 14 are started, air enters the indoor unit 1 through the return air grid 3 to be cooled or heated and then is blown out through the air outlet grid 6, the outdoor unit 14 exchanges heat between the inside and the outside through the outdoor fan 16, then refrigerant is transmitted to the indoor unit 1 through the connecting pipe 13, when the outdoor unit 14 is opened, if the internal pressure and the internal temperature of the condenser 18 are increased, the compressor 17 blocks the pressure and intensifies the temperature rise, the injection valve is started to cool and reduce the pressure, when the compressor exhausts the high-pressure front switch and acts earlier than the sensor, the relief valve at the tail end of the condenser is opened, the pressure reduction starts until the high-pressure switch is reset, the system enters the normal cooling working state, so that one or more indoor units 1 can be assigned to one or more outdoor units 14, so that when the split multi-split air conditioner is, each working space can be provided with an independent air conditioning device, and compared with a common central air conditioner, the problems of one-time opening and large energy consumption of the common central air conditioner are solved, so that the multifunctional working vehicle has the advantages of energy conservation, low operating cost, good adaptability and the like, and solves the problems that along with the rapid development of railways, a multifunctional working vehicle for overhauling and matching is produced, the requirement on the comfort level of drivers and passengers is higher, the air conditioning device on the multifunctional working vehicle has an updating requirement, each working space needs the air conditioning device, and the energy consumption of the central air conditioner is higher when in use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Split type multi-split air conditioner, including indoor set (1) and off-premises station (14), its characterized in that: the top fixed mounting of indoor set (1) has cover (2), the front fixed mounting of indoor set (1) has return air bars (3), return air bars (3) and the front of indoor set (1) are hasp (4) fixed connection of two through quantity, the inside fixed mounting of indoor set (1) has evaporimeter (5), the front fixed mounting that the bottom of return air bars (3) just is located indoor set (1) has air-out bars (6), the front of indoor set (1) is provided with quantity is pilot lamp (7) of two, the back fixed mounting of indoor set (1) has back lid (8), the right side of indoor set (1) is inlayed and is equipped with first automatically controlled box (9), the right side fixed mounting of first automatically controlled box (9) has first lid (10), the back fixed mounting of return air bars (3) has filter screen (11) that are located indoor set (1) inside, the indoor unit is characterized in that an electric heater (12) located on the front side of an evaporator (5) is fixedly installed inside the indoor unit (1), the indoor unit (1) is communicated with an outdoor unit (14) through a connecting pipe (13), a box cover (15) is fixedly installed on the top of the outdoor unit (14), an outdoor fan (16) located inside the outdoor unit (14) is fixedly installed at the bottom of the box cover (15), a condenser (18) is fixedly installed inside the outdoor unit (14), a compressor (17) located on the back side of the condenser (18) is fixedly installed inside the outdoor unit (14), a second electric control box (19) is embedded in the right side of the outdoor unit (14), and a second box cover (20) is fixedly installed on the right side of the second electric control box (19).

2. The split type multi-split air conditioner as claimed in claim 1, wherein: the indoor unit is characterized in that two mounting feet are fixedly mounted on the left side and the right side of the indoor unit (1), the mounting feet are L-shaped, and fixing holes are formed in the front faces of the mounting feet.

3. The split type multi-split air conditioner as claimed in claim 1, wherein: the indoor unit (1) comprises an air cooler, a filter, a liquid distributor, a restrictor and a casing, wherein the air cooler, the filter, the liquid distributor and the restrictor are all fixedly installed inside the casing.

4. The split type multi-split air conditioner as claimed in claim 1, wherein: the outdoor unit (14) comprises a shell, an oil separator, a gas-liquid separator, a high-pressure unloading mechanism, a high-low pressure balance pipeline, a liquid spray cooling mechanism and a high-low pressure protection switch, wherein the liquid spray cooling mechanism comprises a jet valve connected with a compressor (17) and a decompression valve connected with the end of the condenser (18), the compressor (17), the condenser (18), the oil separator, the gas-liquid separator, the high-pressure unloading mechanism, the high-low pressure balance pipeline and the liquid spray cooling mechanism are all connected through copper tubes, and the oil separator, the gas-liquid separator, the high-pressure unloading mechanism, the high-low pressure balance pipeline, the liquid spray cooling mechanism and the high-low pressure protection switch are fixedly installed in the shell.

5. The split type multi-split air conditioner as claimed in claim 1, wherein: the connecting pipe (13) is a copper pipe, and the indoor unit (1) is connected with a liquid supply interface and an air return interface of the outdoor unit (14) through the connecting pipe (13).

6. The split type multi-split air conditioner as claimed in claim 1, wherein: the top of case lid (15) is seted up the vent with outdoor fan (16) looks adaptation, filter screen (11) are the polyester fiber dust screen.