CN101432586B

CN101432586B - Wire maintainer

Info

Publication number: CN101432586B
Application number: CN2005800524699A
Authority: CN
Inventors: L·D·伯恩斯; D·V·杜格拉斯; L·D·霍夫曼; M·D·西尔斯; W·B·萨瑟林; R·A·威尔逊
Original assignee: Carrier Corp
Current assignee: Carrier Corp
Priority date: 2005-12-30
Filing date: 2005-12-30
Publication date: 2012-10-10
Anticipated expiration: 2025-12-30
Also published as: HK1132320A1; WO2007078288A3; CN101432586A; US20100269518A1; WO2007078288A2

Abstract

An outdoor unit for an air conditioner/heat pump is provided with a bracket which is attached to the tube sheet of the heat exchanger coil for routing the electrical leads from the electronic components within the unit to a control box located outside thereof. The bracket is mounted without fasteners and is preferably clipped onto a planar structure on the tube sheet by way of opposing tabs on the bracket. The bracket is preferably secured to the planar wall by way of dimples that engage with holes formed in the planar wall.

Description

Wire maintainer

Technical field

Present invention relates in general to air conditioning/heat pump unit, and more specifically relate to the device that is used for connecting up therein and keeps electric wire.

Background technology

The air handling system that is used to regulate dwelling house and other inner space provides and is positioned at the outside condenser unit of dwelling house and orientates the evaporator unit that is communicated with inner space to be cooled as.In heat pump application, the role-reversed of reversal valve and these two unit is provided.

In air regulator and heat pump application, outdoor unit has electro-motor and relative fan, so that outdoor air can aspirate the heat exchanger through the unit.Except fan motor, other electric component like compressor, heater and pressure switch, is positioned at inside, said unit and is connected by electrical wiring to the control module that is installed in the heat-exchanger coil outside usually.

Variety of issue is caused by the electric wire wiring to the external control case of parts internally.For example, in order to prevent the infringement to electric wire, electric wire must keep not and possibly the contacting of rotary fan, and said fan possibly cause that electric wire is cut off.Equally, because that electric wire is routed at the coil tube sheet probably is contiguous, need prevent to make their cut frictions against tube sheet edge.At last, in order to help the orderly assembling of unit, hope that electric wire remains whole tying in, so that they can be easily routed to control cabinet.

Summary of the invention

Briefly, according to an aspect of the present invention, support is assemblied in the unit and has therein the opening that forms, when leading to the outside control cabinet in unit at electric wire with each root parts wiring passing through internally opening of electric wire.

According to a further aspect in the invention, support is attached to the tube sheet of heat-exchanger coil, and wherein electric wire is through carrier openings and then through the opening in the unit housings, to be connected to control cabinet.

According to another aspect of the invention, tube sheet has the edge of exposure, and support is attached to the edge of exposure and does not use securing member.

According to another aspect of the invention, support is clamped to tube sheet edge through relative finger, and said relative finger is extended and engaged with wherein opening from the support on the either side of tube sheet edge.

In the accompanying drawing of describing thereafter, described preferred embodiment; Yet, can make the structure of various other improvement and replacement to it, and not depart from true spirit of the present invention and scope.

Description of drawings

Fig. 1 is included in the perspective view of the embodiments of the invention in the air handling system outdoor unit.

Fig. 2 is the wire maintainer perspective view of installing according to the present invention partly.

Fig. 3 is the perspective view according to control cabinet of the present invention.

Fig. 4 is the perspective view of seeing near the position of fan of the present invention.

Fig. 5 A-5C is right view, rearview and the left view of retainer folder according to the preferred embodiment of the invention.

Fig. 6 is according to the present invention, is in the perspective view of the wire maintainer of its installation site.

The specific embodiment

Referring now to Fig. 1,, the present invention shows that with 10 it is applied to air conditioning outdoor unit 11 generally, and unit 11 has the heat-exchanger coil 12 of coiling, and heat-exchanger coil 12 is sentenced

tube sheet

13 and 14 at arbitrary end and stopped.Compressor 16 be arranged in the profile of coil 12 and with the common mode polyphone be connected in the vapor compression cycle arrangement.Compressor 16 is preferably hermetic compressor, and it has internal electric motor with Driven Compressor.Heater also preferably is provided with, to add thermocompressor in cryogenic conditions operating period.CD-ROM drive motor and heater all are connected to the control cabinet that is positioned at coil 12 outsides through electric wire 17.

Fan 18 that motor drives is set with through coil 12 inside suction chamber outer air radially near 11 tops, unit, thereby upwards discharges to atmosphere.The lead that is used for the electric drive motor of fan 18 radially outward routes to the edge of coil 12 and the downward then control cabinet that finally leads to coil 12 outsides.

For the operation of control module, hope the various operating parameters of each some place sensing in steam compression cycle.For this reason, provide have corresponding lead 23 and 24 a pair of pressure switch 21 and 22 so that switch is electrically connected to control cabinet.

Can find out that in Fig. 1 each root of above-mentioned electric lead routes to wire maintainer 26, wire maintainer 26 is attached to tube sheet 14 with described mode thereafter.Lead routes to the outside control cabinet of coil 12 through described mode thereafter with the form of tying in then.

The tube sheet 14 of coil 12 shows in greater detail in Fig. 2, wherein can find out the wall 27 and 28 that has shown a pair of longitudinal extension, and wherein each of these walls has with away from the outstanding edge of point relatively of the direction of coil 12.Wall 27 and 28 each have therein a plurality of recesses 29 and a plurality of knockout (knock out) opening 31 that forms.Can find out, wire maintainer 26 be fastened to wall 27 and through with thereafter will be in greater detail mode be attached to knockout opening 31 and keep putting in place.

Every of the aforementioned electric lead as previously mentioned through the opening 32 in the wire maintainer 26; What wherein obtain ties in then away from wall 27 and 28 wirings; Otherwise thereby their maybe friction wall 27 and 28 cause the infringement to electric wire, and to as now with the infringement of the control cabinet of description.

In Fig. 3, shown have rear wall 34, the control cabinet assembly 33 of roof 36 and diapire 37.Can find out that various electronic units are included in the control cabinet assembly 33, through various electric leads it are connected.All through the opening 38 of wall 34, their connect up and are connected to the suitable electronic unit in the control cabinet assembly aforementioned wire (that is, coming from the lead of compressor 16, fan 18 and pressure switch 21 and 22) after opening 38.Through using wire maintainer 26 to be beneficial to this layout, wire maintainer 26 pools together single lead and allow then them to route to as tying in and passes through opening 38.

Except the function of the cusp edge that prevents lead friction tube wooden partition 27 and 28; As stated; Wire maintainer 26 plays the effect of the wiring of fan motor lead being guided into the fixed position of wire maintainer 26, thereby prevents that lead is in the zone of the fan 18 that they possibly damage or cut off by accident.This can find out in Fig. 4 that wherein fan leads 19 is directed away from fan 18 and guides wire maintainer 26 downwards into, thereby prevents that lead 19 is near the damaged fan 18 of they possibilities.

The details of wire maintainer 26 can be found out in Fig. 5 A, 5B and 5C, and planar body 39 wherein is set, and body 39 has the upper and

lower finger

41 and 42 of the stacked relation that is attached on it and reaches as shown in the figure towards extending internally each other.Bottom finger 42 has away from finger 41 outside angled ends 43 with at the bur that extends internally 44 of midway as shown in the figure.Wire maintainer 26 is preferably processed by plastic material, so that upper and

lower finger

41 and 42 is flexible.Thereby; In order electric wire to be installed in the opening 32; Single electric wire can be against top the outside of finger 41; Thereby with the inside warpage in the end of top finger 41, the back through finger end 43 and through the inboard of bottom finger 42 and stride across bur 44, to get into open area 32 simultaneously.

Structure on the opposite side of planar body 39 is provided for wire maintainer 26 is attached to tube sheet wall 27.Said structure is included on the side three the vertically

joints

46,47 and 48 and on opposite side two the

vertical joints

49 and 51 of alignment of alignment, and wherein these both sides are spaced laterally apart shown in Fig. 5 B.Except

joint

49 and 51, be provided with

54,56 and 57,

54,56 and 57 vertically alignment but as shown in the figure separates from joint 49 and 51.Joint 49 and 51 has above that the

recess

52 and 53 that forms and extend internally towards the direction of

joint

46,47 and 48.

Wire maintainer 26 straddles the wall 27 that is attached to tube sheet 14 at its opposite side through

joint

49 and 51 is straddled with

54,56 and 57 in a side of the wall 27 of tube sheet 14 and with

joint

46,47 and 48.Through being engaged with the knockout opening 31 of tube sheet wall 27, recess 52 and 53 realizes keeping.

The installation of the wire maintainer that is attached to tube sheet wall 27 26 that obtains is as shown in Figure 6.For simplicity; Only two leads that are installed in the opening 32 have been shown; But should be appreciated that when the space of electric wire from coil 12 through and when stretching out opening 38 through control cabinet rear wall 34, many wires keep putting in place through opening 32 and through wire maintainer 26.

Claims

1. outdoor unit that is used for air regulator, said unit comprises:

Heat exchanger, said heat exchanger partly limit the neighboring of outdoor unit and have tube sheet at each place at its two ends;

Be arranged on a plurality of electric components in the said heat exchanger, each of said electric component has at least one wire that is connected on it;

Electric control box, said electric control box are positioned at the outside of said heat exchanger and are electrically connected to said a plurality of electric component through said electric wire; With

Be assemblied in the support in the said unit, said support has opening therein, when said electric wire extends between said a plurality of electric components and said electric control box, receiving and to keep said electric wire,

Wherein, said tube sheet has the edge of exposure, and the edge through said support being clamped to said exposure is to be attached to said support the edge of said exposure and not use securing member.

2. outdoor unit according to claim 1 is characterized in that, said support comprises a plurality of joints that vertically separate and the other a plurality of joints that vertically separate that are arranged on the edge opposite side of said exposure on edge one side that is arranged on said exposure.

3. outdoor unit according to claim 2 is characterized in that at least one of said joint has recess, and the edge of said exposure has therein at least one opening that forms, and wherein said at least one recess engages with said at least one opening.

4. outdoor unit according to claim 1 is characterized in that, said a plurality of electric components comprise compressor and fan motor.

5. outdoor unit according to claim 1 is characterized in that said electric control box comprises rear wall, and said rear wall has opening therein, when said electric wire extends between said support and said control cabinet, to make said electric wire through said opening.

6. one kind routes to the method that is positioned at the outside control cabinet of coil with the internal electric parts of multiple conducting wires from outdoor heat converter coil profile, and said method comprises step:

Wire maintainer equipment is provided, and said wire maintainer equipment has opening therein to receive multiple conducting wires;

Be provided at least one tube sheet of said heat-exchanger coil, said tube sheet has the planar wall that forms its extension;

Position near control cabinet is installed to said wire maintainer equipment on the said planar wall; With

With multiple conducting wires wiring and through said wire maintainer equipment opening and route to control cabinet then.

7. method according to claim 6 is characterized in that, said wire maintainer equipment is not used securing member to said tube sheet planar wall.

8. method according to claim 7 is characterized in that, said wire maintainer equipment is attached to said planar wall through said wire maintainer equipment is clamped to said planar wall.

9. method according to claim 8 is characterized in that, said wire maintainer equipment is provided with a plurality of joints that vertically separate that are arranged on said planar wall one side and is arranged in the other a plurality of joints that vertically separate on the said planar wall opposite side.

10. method according to claim 9; It is characterized in that; At least one of said joint has above that the recess that forms, and wherein said planar wall has at least one opening that forms therein, and wherein said at least one recess engages said at least one opening.

11. method according to claim 6 is characterized in that, said internal electric parts comprise compressor and fan motor.