CN1243203C - Multi-route air conditioning unit - Google Patents
Multi-route air conditioning unit Download PDFInfo
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- CN1243203C CN1243203C CNB2004100353531A CN200410035353A CN1243203C CN 1243203 C CN1243203 C CN 1243203C CN B2004100353531 A CNB2004100353531 A CN B2004100353531A CN 200410035353 A CN200410035353 A CN 200410035353A CN 1243203 C CN1243203 C CN 1243203C
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- Prior art keywords
- dividing cell
- air conditioning
- conditioning unit
- branch unit
- indoor set
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
Abstract
A multi-type air conditioner provided with the branch unit. In this air conditioner, the branch unit is provided with a branch unit refrigerant circuit part having a plurality of split tubes and a plurality of motor-driven expansion valves, a branch unit control part for controlling an opening degree of the plurality of motor-driven expansion valves, and a branch unit interior wiring connection part connected to the plurality of pairs of electric power source wirings and signal wirings for connecting the branch unit control part to an interior unit. The plurality of pairs of electric power source wirings and signal wirings connected to the branch unit interior wiring connection part is constituted to be led out respectively from a plurality of different leading-out holes provided in the branch unit, and the plurality of leading-out holes is arranged with a vertical relation with respect to the respective split tubes 12a-12c to correspond to the respective split tubes in the branch unit refrigerant circuit part.
Description
Technical field
The present invention relates to many indoor sets are connected a multi-route air conditioning unit on the off-premises station, particularly relate to possessing and be installed on the refrigerant piping that connects indoor set and off-premises station, and the mobile multi-route air conditioning unit that is divided into the dividing cell of a plurality of shuntings of cold-producing medium.
Background technology
In recent years, well-known, uses (fully the possessing the cold-producing medium supply capacity) off-premises station that ability is big, the multi-route air conditioning unit that carries out air conditioning to each indoor set distribution the supply system cryogen in each room of wanting to carry out air-conditioning from this off-premises station.And can construct into air-tightness and the high room of thermal insulation by improving Building technology recently, the tendency of the big air-conditioning ability of little needs is arranged.The situation that can reduce the cold-producing medium that circulates to indoor set has increased.
But also know, in connecting the refrigerant piping way of indoor set and off-premises station, be connected dividing cell, by this dividing cell the mobile of cold-producing medium from an off-premises station is divided into a plurality of shuntings, and uses many indoor functions to carry out the multi-route air conditioning unit of air conditioning.(for example with reference to patent documentation 1).
Patent documentation 1: the spy opens flat 10-238900 communique
But in the above-mentioned patent documentation 1 disclosed multi-route air conditioning unit, the distribution of the indoor pusher side of dividing cell is drawn from a leadout hole it after handling and being to use a binding post lead that multi-group power distribution and signal wiring are gathered again to the outside of dividing cell.When therefore the dividing cell wrong wire distribution occurring when construction, then this dividing cell just is not difficult to find the wrong wire distribution position as if the body housing not being unloaded down, is the very operation of trouble that must carry out.
And dividing cell is after multi-group power distribution and signal wiring are gathered with a binding post cable, again it is drawn to the outside from a leadout hole of dividing cell, so leadout hole is bad with the application property that the distribution that is positioned at the terminal board that leaves the position is handled, and be easy to generate the gap between leadout hole and the distribution, so have insect and toy to invade in the dividing cell from this gap, and cause substrate damage and electric parts short circuit etc., become the problem of failure cause.
Summary of the invention
The present invention develops in view of above-mentioned actual conditions, and its purpose is to provide a kind of multi-route air conditioning unit, in possessing the multi-route air conditioning unit of dividing cell, can suppress the wrong wire distribution of dividing cell, and can improve the operability that the dividing cell distribution is handled.
The multi-route air conditioning unit of the described invention of a first aspect of the present invention, be respectively to utilize side heat exchanger the supply system cryogen via refrigerant piping and dividing cell to many indoor sets from a off-premises station with compressor and heat source side heat exchanger, carry out air conditioning thus, described dividing cell possesses: dividing cell refrigerant loop portion, and it has a plurality of isocons and a plurality of electric expansion valve; The dividing cell control part, it makes the open degree of described a plurality of electric expansion valves; Dividing cell house service connecting portion, its this dividing cell control part is connected usefulness with described indoor set multi-group power distribution is connected with signal wiring, with the structure that multi-group power distribution on the described dividing cell house service connecting portion is connected with signal wiring be, derived respectively from a plurality of different leadout hole that is arranged on the described dividing cell, a plurality of isocons of described a plurality of leadout holes and described dividing cell refrigerant loop portion are adapted to upper and lower relation respectively accordingly.
The described invention of a second aspect of the present invention is in the described multi-route air conditioning unit of a first aspect of the present invention, is separately installed with in described a plurality of leadout holes to fill up the spacer ring parts that described power supply wiring and signal wiring gap are used.
The described invention of a third aspect of the present invention is in the described multi-route air conditioning unit of a second aspect of the present invention, and described spacer ring parts are arranged on substantial middle portion to the seam that intersects.
In multi-route air conditioning unit of the present invention, since each isocon that is connected the dividing cell on each indoor set be connected each indoor set on be used to derive multi-group power distribution and signal wiring a plurality of leadout holes be to be adapted to mutual corresponding upper and lower relation, so can prevent the wrong wire distribution of dividing cell, and can improve the operability that the dividing cell distribution is handled.
Description of drawings
Fig. 1 is that the present invention carries out the key diagram that room air is regulated the multi-route air conditioning unit of usefulness;
Fig. 2 is the refrigeration cyclic graph of multi-route air conditioning unit of the present invention;
Fig. 3 is the key diagram that the superiority of multi-route air conditioning unit of the present invention and existing multi-route air conditioning unit are compared, and (a) is piping system of the present invention, (b) is existing piping system;
Fig. 4 is the front elevation of the dividing cell refrigerant loop portion of the dividing cell main part that uses in the multi-route air conditioning unit of the present invention;
Fig. 5 is the top figure of the dividing cell refrigerant loop portion of the dividing cell main part that uses in the multi-route air conditioning unit of the present invention;
Fig. 6 is that what to use in the multi-route air conditioning unit of the present invention is the front elevation of electric expansion valve of the dividing cell refrigerant loop portion part constitutional detail of dividing cell main part;
Fig. 7 is that to be installed to what use in the multi-route air conditioning unit of the present invention be the front elevation of the dividing cell refrigerant loop portion before in the dividing cell body housing;
Fig. 8 is to be what to use in the multi-route air conditioning unit of the present invention that the dividing cell refrigerant loop portion of dividing cell main part is housed in the body housing, covers and the structure chart represented of the situation before portion's filling-foam heat-barrier material within it with upper plate;
Fig. 9 is the key diagram that expression detects the refrigerant temperature that is used to control electric expansion valve the situation on the refrigerant pipe that is installed to temperature sensor;
Figure 10 is the side view that the dividing cell of electric installation base plate has been installed;
Figure 11 represents the profile of dividing cell, is its front elevation, top figure and right hand view;
Figure 12 is the key diagram that the dividing cell refrigerant loop portion of dividing cell is accommodated in sheet metal system body housing;
Figure 13 is the key diagram of the dividing cell refrigerant loop portion of dividing cell having been accommodated sheet metal system body casing interior state;
Figure 14 be accommodated the dividing cell refrigerant loop portion of dividing cell in the sheet metal system body housing after, the key diagram of urethanes foamed state is carried out in expression;
Figure 15 is before being illustrated in the electric installation base plate installation of dividing cell control part of dividing cell, the key diagram of body housing installed surface situation;
Figure 16 is behind the urethane ester foaming, and the stereoscopic figure of the dividing cell of dividing cell control part has been installed;
Figure 17 is the plane and the left and right side figure of the electric mounting cup used of protection dividing cell control part;
Figure 18 is the stereogram that expression is connected rubber-insulated flexible cable state on the house service connecting portion of dividing cell;
Figure 19 is the key diagram that expression is installed in spacer ring the distribution leadout hole internal state of electric mounting cup;
Figure 20 is mounted in the part drawing of the spacer ring in the distribution leadout hole;
Figure 21 has been connected the right hand view of state on the dividing cell to rubber-insulated flexible cable.
The specific embodiment
Embodiments of the invention are described below with reference to the accompanying drawings, and Fig. 1 is illustrated in the key diagram that is provided with one embodiment of the invention multi-route air conditioning unit state in one deck room of single-family housing and the two layers of room.
In a plurality of room R1 of the Stall in two-layer building room and second floor, R2, R3, R4, R5, a room indoor set 1a, 1b, 1c, 1d, a 1e are installed on the wall surface and are uniformly set among Fig. 1.
Each indoor set 1a, 1b, 1c, 1d, 1e portion within it are equipped with and utilize the side heat exchanger and utilize side pressure fan etc., at this moment room R1, R2, the R3 of second floor are the rooms littler than room R4, the R5 of Stall, so indoor set 1a, the 1b, the 1c that are arranged in the second floor room are littler than the air-conditioning ability that is arranged on indoor set 1d, 1e in the Stall room, promptly use the few machine of refrigerant amount of circulation.
The indoor set that is arranged in the Stall room is bigger than the air-conditioning ability that is arranged on the indoor set in the second floor room, promptly uses the many machines of refrigerant amount of circulation.
3 are arranged on outdoor (single) off-premises station, and portion is equipped with decompressors such as compressor, heat source side heat exchanger, capillary and electric expansion valve and heat source side pressure fan etc. within it.
Being split into the cold-producing medium of discharging from compressor roughly uniformly from described off-premises station 3, amount is used to supply with a plurality of, for example assignment system refrigerant tube 5a, 5b, the 5c of 3 systems draw, they along the external wall 6b of building 6 vertically upward, assignment system refrigerant tube 5b, the 5c in 2 paths wherein is to the ceiling the inside of Stall 7 pipe arrangements, and the indoor set 1d pipe arrangement of refrigerant pipe 5b in a room R4 who is installed in Stall connects.Refrigerant pipe 5c connects to the indoor set 1e pipe arrangement of another room R5 that is installed in Stall.
And the assignment system refrigerant tube 5a of another 1 system of cold-producing medium that supplies with roughly the same flow with just now 2 systems is after erecting the height of coming the second floor roof, and is crooked and to the inside, roof 8 pipe arrangements to horizontal direction.
In the inside, roof 8, the front end of the assignment system refrigerant tube 5a of this system is connected with dividing cell 10, and it is used for that cold-producing medium is roughly evenly carried out three equal parts equally and divides the flow direction to be separately positioned on second floor room R1, many interior (3) indoor set 1a, 1b, 1c supplies of R2, R3.
Following one side describes on one side with reference to kind of refrigeration cycle shown in Figure 2.As shown in Figure 2, described dividing cell 10 is provided with and is used for cold-producing medium is carried out multichannel shunting supply coolant flow divider 11, isocon 12a, 12b, 12c are connected with the indoor relaying pipe arrangement 13a, 13b, the 13c that connect to indoor set from these coolant flow divider 11 shuntings on these isocons 12a, 12b, the 12c end port separately.Carry out pipe arrangement on each indoor set 1a, 1b that indoor relaying pipe arrangement 13a, 13b, 13c utilize roof the inside 8 to be connected to be arranged in second floor room R1, R2, the R3, the 1c.
Dispose electric expansion valve 15 respectively on described each isocon 12a, 12b, the 12c, its flow separately of cold-producing medium that has passed through these electric expansion valves 15 is adjusted to the circulation that needs and flows out in indoor relaying pipe arrangement 13a, 13b, the 13c, supplies with to each indoor set 1a, 1b, 1c.
Fig. 3 (a) expression by the dividing cell shown in one embodiment of the invention 10 between being arranged on and the assignment system refrigerant tube 5a that is shunted from off- premises station 3,5b, among the 5c any one, for example on the assignment system refrigerant tube 5a, form again the cold-producing medium of supplying with from this assignment system refrigerant tube 5a further to many indoor set 1a, 1b, the refrigerant loop that 1c distributes, like this with off-premises station 3 and each indoor set 1a, 1b, the situation of the prior art that 1c is connected with the refrigerant pipe in outlet and loop is separately compared, and can shorten the refrigerant piping length between off-premises station and cold-producing medium dividing cell.
Promptly be now shown in Fig. 3 (b), at an off-premises station 3 and 5 indoor set 1a, 1b, 1c, 1d, when 1e is connected, be that indoor set 1a, the 1b, 1c, 1d, the 1e that are arranged in each room R1, R2, R3, R4, the R5 are connected with two refrigerant piping 16a～16e pipe arrangements in outlet and loop separately with off-premises station 3.
Therefore, for example off-premises station 3 is with 2 the indoor set 1ds far away apart from 10m, when 1e is connected, the pipe arrangement that adds up to the 40m that needs 2 * 2 * 10m, for example off-premises station 3 adds up to the pipe arrangement of the 120m that needs 3 * 2 * 20m with three indoor set 1a, the 1b far away apart from 20m, when 1c is connected again.
And owing to have between each indoor set 1a, 1b, 1c, 1d, 1e and the off-premises station 3 and add up to a plurality of pipe arrangements of 10 to be connected,, and become the pipe arrangement of complexity so connection work is not easy very much.
On the contrary, one embodiment of the invention shown in Fig. 3 (a), be to use dividing cell 10 when three indoor set 1a, 1b, 1c the supply system cryogen, to these three indoor set 1a, 1b, 1c can by with off-premises station 3 between utilize the assignment system refrigerant tube 5a of 1 system to be connected pipeline structure come the supply system cryogen.
At this moment this dividing cell 10 is preferably disposed on these three indoor set 1a, 1b, 1c is nearer and about equally on the position of distance.Needed total piping length also can shorten between dividing cell 10 and three each indoor set 1a, 1b, the 1c like this.
Promptly and the total piping length between 2 indoor set 1d, 1e be 40m, do not change with existing, but for example to leaving apart from 20m off-premises station 3 far away and three indoor set 1a, 1b, 1c, dividing cell 10 be arranged on off-premises station 3 apart from the 15m position far away, three the indoor relaying pipe arrangement of used for indoor machine 13a, 13b, 13c are carried out pipe arrangement and are connected with the distance of 5m with cold-producing medium dividing cell 10.
Like this, and leaving apart from the piping length between 10m 2 indoor set 1d, the 1e far away is 40m, do not change with existing, but and needed piping length is between three indoor set 1a, 1b, the 1c: between dividing cell 10 and indoor set 1a, 1b, 1c, total is the 30m of 3 * 2 * 5m, between off-premises station 3 and dividing cell 10 with the 30m of 2 * 15m just can, total is the piping length of 60m.
Therefore can construct with half of existing 120m when using dividing cell 10, the pipe arrangement cost descends, and pipe distribution operation is also alleviated, and can not become complicated pipe arrangement, and maintenance property etc. also become well.
At this moment the assignment system refrigerant tube 5a that draws from off-premises station 3 is about the external wall 6b of building 6 (with reference to Fig. 1), and after becoming the 5V of vertical duct portion, bends to the right angle to general horizontal direction in the top, by horizontal duct portion 5H to indoor tube.At this moment dividing cell 10 is horizontally set on the inside, roof 8, the 5V of vertical duct portion that the pressure loss is uprised but the cold-producing medium of preferably avoiding circulating when dividing cell 10 is set is subjected to gravity effect, and be arranged on the horizontal duct portion 5H.
Like this, the refrigerant line of longitudinal direction between off-premises station 3 and the dividing cell 10 (5V of vertical duct portion) reduces 4 from existing 6 pipe arrangements, just can with 2, this point only, just can make by the length that shortens pipe arrangement tailed off by the refrigerant flow of gravity effect, and the pressure loss of reduction cold-producing medium circulation time.
The position that is provided with as dividing cell 10, make the distance of 10 of off-premises station 3 and dividing cell as far as possible, and the distance of shortening from dividing cell 10 to each indoor set, the piping length of off-premises station and many indoor sets is also shortened more, can make to add up to piping length to shorten more, can save the effective pipe distribution operation of pipe arrangement.
Turn back to Fig. 2 at this, the kind of refrigeration cycle of the multi-route air conditioning unit that uses described dividing cell 10 further is illustrated.
This multi-route air conditioning unit is the compressor 18 of compressed refrigerant, carry out the heat source side heat exchanger 19 that extraneous air and cold-producing medium carry out heat exchange, electric expansion valve 21 as decompressor, the air of each room air-supply of carrying out air conditioning and cold-producing medium are carried out many of heat exchange utilize the side heat exchanger, be indoor set 1a, 1b, 1c, 1d, 1e (following indoor set as utilizing the side heat exchanger to describe), when switching refrigeration when heating the cross valve 22 of cold-producing medium circulating direction and between being arranged on via the dividing cell 10 on the 1 system assignment refrigerant pipe 5a among 3 system assignment refrigerant pipe 5a～5c of described electric expansion valve 21, utilize described assignment system refrigerant tube 5a～5c and with three indoor set 1a of the cold-producing medium circulation of shunting in described dividing cell 10,1b, the indoor relaying pipe arrangement 13a that 1c connects, 13b, 13c connects in turn.With regard to becoming an off-premises station 3 is connected 5 indoor set 1a～1e and refrigeration cycle structure that 5 rooms are carried out air conditioning like this.On each assignment system refrigerant tube 5a～5c, also be provided with electric expansion valve 20a～20c.
And for this kind of refrigeration cycle, also be provided with cleaner 71, muffler 72a, 72b, 72c etc., and defrost valve 73 and air accumulator 74 have been inserted in the centre, are provided with structures such as defrost circuit 75 with utilizing circulation among side heat exchanger 1a～1e in order to make high temperature refrigerant gas thermotropism source heat exchanger 19 when defrosting.Be connected by service valve 76a, 76b with the pipe arrangement that utilizes the side heat exchanger with the heat source side heat exchanger and undertaken.
In described kind of refrigeration cycle,, when refrigeration, make the direction circulation of cold-producing medium, when system is warm, make the direction circulation of cold-producing medium by dotted arrow by solid arrow by switching cross valve 22.Cold-producing medium flowed when the arrow that circle mark is paid by central authorities was represented to defrost.
At this, described dividing cell 10 is provided with: current divider 11, and it makes cold-producing medium utilize side heat exchanger 1a, 1b, 1c shunting and by three shuntings at three; Electric expansion valve 15, it is adjusted at this flow that carries out the cold-producing medium that flows in three distribution pipeline 12a, the 12b that shunted, the 12c, and it is flowed to separately utilize side heat exchanger 1a, 1b, 1c.
Following one side describes the structure of this dividing cell 10 on one side with reference to Fig. 4～Fig. 9.
Dividing cell 10 is housed in dividing cell refrigerant loop portion 31 in the body housing 36, and the structure of this dividing cell refrigerant loop portion 31 possesses: dividing cell tube connector 30, and it is the pipe of two thin diameters and thick diameter, is used for being connected with separate system 5a; Current divider 11, it is connected on the dividing cell tube connector 30 of described thin diameter of liquid refrigerant circulation; The 3 isocon 12a of system, 12b, 12c, split into three and tortuous dish from this current divider 11 and be arranged in the body capablely, by with the outside respectively utilize side heat exchanger 1a, 1b, 1c to be connected and cold-producing medium is circulated and be provided with same thin diameter and slightly each two pipe arrangement of diameter constitute; Electric expansion valve 15 is separately positioned on this isocon, is used to control the cold-producing medium circulation.
Be connected among each connecting pipings of the thin diameter of usefulness and thick diameter with respectively utilize side heat exchanger 1a, 1b, 1c in isocon 12a, 12b, 12c, part at the root of thin diameter connecting pipings, the temperature sensor 33 (with reference to Fig. 9) of thermistor etc. is installed, it is used for measuring the temperature at the cold-producing medium that utilizes side heat exchanger 1a, 1b, 1c to flow into, flow out, and controls described each electric expansion valve 15 so that suitable refrigerant flow flows according to this measured value.As shown in Figure 6, be wound with noise reduction parts 43 such as rubber on the 15d of liquid line portion of electric expansion valve 15, be used to reduce the offending noise that produces along with the circulation of liquid refrigerant.
As shown in Figure 7; ground wire 34 is connected on the ground wire terminal part 34K, and from described two each isocon 12a, 12b, 12c that shunt supporting tube connectors 30 and give prominence to from the body other end that body one distal process goes out coating member 35a, the 35b institute covering protection that is formed by heat-barrier material is arranged.
As shown in Figure 5, whole dividing cell refrigerant loop portion 31 usefulness are absorbed rubber components 79 covering protections of vibration usefulness.
As shown in Figure 8, the dividing cell refrigerant loop portion 31 of the dividing cell 10 that constitutes by above-mentioned part accommodated fixed at the upper down, all around amounts to 6 sheet metal parts assemblings and fixes and form in the body housing 36 of rectangular shape with Screw, forms the dividing cell 10 of cellular construction.
This dividing cell 10 is arranged on places such as the inside, roof, but owing to be the structure that inside has the dividing cell refrigerant loop portion 31 of cold-producing medium circulation, so condensed water leaks to indoor in order not make generation dewfall on the metal body housing 36, all fill up in the space in the body housing 36 that contains dividing cell refrigerant loop portion 31, so just form and try every possible means to make the outside dividing cell 10 that does not produce dewfall with heat-barrier material.
As Fig. 8, Figure 10 and shown in Figure 11, the body housing 36 of sheet metal system by mutually with the Screw combination and in conjunction with fixing upper plate 40 and base plate 41, front and back erect the side plate 62 that is provided with and about side plate 63 constituted.Side plate 63 about described is made of a pair of side plate 63a, the 63b cut apart up and down that is divided into two up and down, should a pair ofly up and down cut apart side plate 63a, 63b and have by they are merged the circular-arc breach 42 that forms by the through hole 42A of the supporting tube connector 30 of shunting and isocon 12a～12c.37 represent its fixedly Screw of usefulness.
As Figure 12 and laid down the shown in Figure 8 of upper plate 40 states, dividing cell refrigerant loop portion 31 is housed in the body housing 36, after this dividing cell refrigerant loop portion 31 is accommodated, upper plate 40 is installed on body housing 36, and peristome above it is covered.When the top opening of body housing 36 being covered, on one side ground wire 34 is passed and outwards draws from the notch part 44 that is provided with at it with this upper plate 40.(with reference to Figure 13)
As shown in figure 14, for the gap filling that is not occupied by dividing cell refrigerant loop portion 31 in the body housing 36, dividing cell refrigerant loop portion 31 is undertaken molded by urethanes 50.
As Figure 10, Figure 15 and shown in Figure 16, the electric installation base plate 45 that micro computer 60M and a plurality of various circuit component 60 have been installed utilizes the installed surface 46 of 36 1 sides of body housing to dispose.
At this moment, between the installed surface 46 of electric installation base plate 45 and body housing 36, insulation board 47 is set, the plastics system installation foot 80 that electric installation base plate 45 uses are provided with at its periphery etc., out of contior situation generation to avoid described electric installation base plate 45 to contact with metal body housing 36 causing short circuit accident etc. is installed to float the state that comes from described installed surface 46.
On the installed surface 46 of described body housing 36, except electric installation base plate 45, also be equipped with electric parts such as transformer 49 and terminal board 51, push down wire clamp 52 that distribution uses etc., form dividing cell control part 61.
Then, in Figure 18, represented dividing cell house service connecting portion that the power supply wiring from indoor set is connected with signal wiring.
From the structure of the power supply wiring of described indoor set 1a～1c and signal wiring be by respectively separately two add up to 4 lines to be configured a rubber-insulated flexible cable 70 and integrated, this power supply wiring and signal wiring for example be connected as dividing cell house service connecting portion with Screw laterally be set side by side with on the terminal board 51 of three place's connecting portions, fixing rubber-insulated flexible cable 70 usefulness cable clamps 52.
Because the outdoor distribution connecting portion of dividing cell and described dividing cell house service connecting portion use the same method and carry out distribution and be connected, so omit its explanation at this.
As shown in figure 17, in order to protect electric installation base plate 45 and other electric parts 49,51,52, cover on the electric installation base plate 45 with the electric mounting cup 54 of sheet metal system, and it is fixed on the body housing 36 with Screw.This electric mounting cup 54 makes loop portion dustproof, and prevents to be caused by the intrusion of insect and mouse etc. the damage of insulated wire.
Be pasted with cold-producing medium shunting circuit explanation plate 55 etc. on the surface of described electric mounting cup 54.90 are arranged on three distribution leadout holes on described electric mounting cup 54 1 sides, these each distribution leadout holes 90 mutual interval lines in accordance with regulations are provided with, and the multi-group power distribution that is connected on the described dividing cell house service connecting portion is outwards derived from each different distribution leadout hole 90 with signal wiring.Described three distribution leadout holes 90 and described each isocon 12a, 12b, 12c are positioned at the top of each isocon 12a, 12b, 12c accordingly, are configured to upper and lower relation with each isocon 12a, 12b, 12c.
Figure 19 is illustrated in the state that spacer ring 62 has been installed on the distribution leadout hole 90 of electric mounting cup 54,
Figure 20 represents to be installed in the spacer ring 62 on the described distribution leadout hole 90.
Described spacer ring 62 for example is with elastomeric material the groove shape fitting portion 64 that usefulness is installed and central portion to be provided with Y word shape to intersect the sealing 66 of seam S and be configured as one and form on described distribution leadout hole 90.
At this, described rubber-insulated flexible cable 70 is that the seam S by the sealing 66 of spacer ring 62 carries out distribution, so the elastic energy by sealing 66 around this rubber-insulated flexible cable 70 does not produce the gap, can prevent that insect and toy from invading inside by distribution leadout hole 90.(with reference to Figure 21)
As Figure 11 and shown in Figure 16, this dividing cell 10 possesses fixing hole 58 and the suppending hole 59 that usefulness is installed on the plate face of a side, equidistant place so many indoor sets that selection is connected with dividing cell 10 inside the roof are tried one's best, on suitable position such as the batten of building and beam, utilize fixing hole 58 and suppending hole 59, for example make to be screwed and just can.
Dividing cell 10 has been accommodated inside in spaces in the body housing 36 of dividing cell refrigerant loop portion 31 constitutional details and has been filled up with urethane foam heat-barrier material 50 and become heat insulation structural, so even it is set at the places such as the inside, roof in house, in body housing 36, do not produce dewfall yet, therefore need not form the measure on condensed water draining road in the inside, roof, application property is increased substantially.
As shown in figure 21, because accordingly described distribution leadout hole 90 and each isocon 12a～12c, become the corresponding configuration in upper and lower relation ground by each system, so can not only prevent the wrong wire distribution of dividing cell 10, and hypothesis also need not unload electric mounting cup 54 and just can easily find this wrong wire distribution when wrong wire distribution occurring.
And in the distribution of each system, pass through described cable clamp 52 is distributed singly, compare with existing method of carrying out the processing of many assembly line with a cable clamp, can can seek to improve application property to the appropriate processing of the position of terminal board 51 and cable clamp 52 relation.
In an above-mentioned embodiment situation that dividing cell 10 is arranged on the inside, building 2 buildings top 8 is illustrated, but is not limited to this structure, dividing cell 10 also can be arranged on the ceiling the inside in the 1st building.
Be the structure that the spacer ring 62 that is shaped with elastomeric material is installed in described each distribution leadout hole 90, but this spacer ring 62 also can be to use vinyl chloride system.
And can in described distribution leadout hole 90, spacer ring 62 be installed, but the shape of described distribution leadout hole 60 make with electric wiring and signal wiring integrated the identical shape of section configuration of rubber-insulated flexible cable 70.
Claims (3)
1, a kind of multi-route air conditioning unit, from a off-premises station with compressor and heat source side heat exchanger via refrigerant piping and dividing cell to many indoor sets respectively utilize side heat exchanger the supply system cryogen, carry out air conditioning thus, it is characterized in that,
Described dividing cell possesses: dividing cell refrigerant loop portion, and it has a plurality of isocons and a plurality of electric expansion valve; The dividing cell control part, it controls the aperture of described a plurality of electric expansion valves; Dividing cell house service connecting portion, its this dividing cell control part is connected with signal wiring with the multi-group power distribution that is connected described indoor set,
Derived respectively from a plurality of different leadout hole that is arranged on the described dividing cell with multi-group power distribution and signal wiring that described dividing cell house service connecting portion connects,
A plurality of isocons of described a plurality of leadout hole and described dividing cell refrigerant loop portion are adapted to upper and lower relation respectively accordingly.
2, multi-route air conditioning unit as claimed in claim 1 is characterized in that, is separately installed with the spacer ring parts that are used to fill up described power supply wiring and signal wiring gap in described a plurality of leadout holes.
3, multi-route air conditioning unit as claimed in claim 2 is characterized in that, described spacer ring parts are arranged on substantial middle portion to the seam that intersects.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP117583/03 | 2003-04-22 | ||
| JP117583/2003 | 2003-04-22 | ||
| JP2003117583 | 2003-04-22 | ||
| JP083891/2004 | 2004-03-23 | ||
| JP2004083891A JP2004340568A (en) | 2003-04-22 | 2004-03-23 | Multi-type air-conditioner |
| JP083891/04 | 2004-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540255A CN1540255A (en) | 2004-10-27 |
| CN1243203C true CN1243203C (en) | 2006-02-22 |
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ID=33543139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100353531A Expired - Fee Related CN1243203C (en) | 2003-04-22 | 2004-04-22 | Multi-route air conditioning unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004340568A (en) |
| CN (1) | CN1243203C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4701804B2 (en) * | 2005-04-19 | 2011-06-15 | ダイキン工業株式会社 | Branch refrigerant relay unit of air conditioner |
| JP3885817B2 (en) * | 2005-04-19 | 2007-02-28 | ダイキン工業株式会社 | Branch refrigerant relay unit and manufacturing method thereof |
| JP4797727B2 (en) * | 2006-03-22 | 2011-10-19 | ダイキン工業株式会社 | Refrigeration equipment |
| US9435549B2 (en) * | 2009-09-09 | 2016-09-06 | Mitsubishi Electric Corporation | Air-conditioning apparatus with relay unit |
| JP5471896B2 (en) | 2010-06-30 | 2014-04-16 | 株式会社富士通ゼネラル | Air conditioner refrigerant branching unit |
| US9631849B2 (en) | 2010-10-12 | 2017-04-25 | Mitsubishi Electric Corporation | Heat medium relay unit and air-conditioning apparatus equipped with same |
| EP2647920B1 (en) * | 2010-12-03 | 2020-03-04 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
| JP5888366B2 (en) * | 2014-05-30 | 2016-03-22 | ダイキン工業株式会社 | Refrigerant flow path switching unit |
| CN105115196B (en) * | 2015-07-06 | 2018-04-06 | 广东美的暖通设备有限公司 | The flow control methods of cooling circuit again and device of multiple on-line system |
| CN105115199B (en) * | 2015-07-06 | 2017-10-31 | 广东美的暖通设备有限公司 | The coolant distribution control method and device of multiple on-line system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51120428A (en) * | 1975-04-16 | 1976-10-21 | Hitachi Ltd | Hole-through construction in piping or wiring |
| JPH05771Y2 (en) * | 1985-04-30 | 1993-01-11 | ||
| JPH05187668A (en) * | 1992-01-10 | 1993-07-27 | Matsushita Electric Ind Co Ltd | Air-conditioner |
| JPH0727374A (en) * | 1993-07-12 | 1995-01-27 | Katoo:Kk | Environmental tester |
| JPH07324777A (en) * | 1994-06-01 | 1995-12-12 | Toshiba Corp | Air conditioner |
| JPH10231933A (en) * | 1997-02-24 | 1998-09-02 | Shin Caterpillar Mitsubishi Ltd | Sealing member |
| JP3326352B2 (en) * | 1997-02-28 | 2002-09-24 | 三洋電機株式会社 | Air conditioner |
-
2004
- 2004-03-23 JP JP2004083891A patent/JP2004340568A/en active Pending
- 2004-04-22 CN CNB2004100353531A patent/CN1243203C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004340568A (en) | 2004-12-02 |
| CN1540255A (en) | 2004-10-27 |
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Granted publication date: 20060222 Termination date: 20110422 |