CN1141413A

CN1141413A - Air conditioner

Info

Publication number: CN1141413A
Application number: CN96105646A
Authority: CN
Inventors: 中江继雄
Original assignee: Sanyo Electric Co Ltd
Current assignee: Sanyo Electric Co Ltd
Priority date: 1995-04-27
Filing date: 1996-04-26
Publication date: 1997-01-29
Anticipated expiration: 2016-04-26
Also published as: CN1129744C; TW307362U; KR960038270A; JPH08296868A; KR100414795B1; JP3086623B2

Abstract

The invention provides an air-conditioner provided with a circuit box which is low in cost. The circuit box is made of a plurality of independent plates and circuit elements are collocated on the plates. So the circuit elements are easy to install on the plates of the circuit box, and the invention is good for mechanization and can make the manufacturing and assembling easier, thus minimizing the size, lightening the weight and lowering the price of the air-conditioner which is provided with such a circuit box.

Description

Air-conditioner

The present invention relates to have the air-conditioner of the circuit box of accommodating control usefulness component.

The applicant has been willing to have proposed in flat 6-81682 number to be used to equip the technology of the air-conditioner of the circuit box that synthetic resin makes the spy.The air-conditioner of putting down in writing in this application be will dispose the printed circuit board (PCB) of component insert in the box-shaped circuit box of front openings and constitute.

The air-conditioner of above-mentioned prior art has the printed circuit board (PCB) of the component that has disposed control air-conditioner running usefulness and the circuit box of accommodating and keep this circuit board.In this structure, at least circuit box and printed circuit board (PCB) must be arranged.This is an impediment to by reducing parts and reduces cost, and in addition, guarantee the insulation distance between each printed circuit board (PCB), has hindered the miniaturization of circuit box again.

In order to overcome this shortcoming, do not use printed circuit board (PCB), and component directly is configured in the circuit box, the example of this respect has the technology of putting down in writing in for example real public clear 53-54371 communique, real public clear 61-20432 communique, the real fair 3-30740 communique.

The circuit box of the air-conditioner of putting down in writing in these communiques is that the control with air-conditioner is directly installed in the circuit box that is pre-formed the case shape with component.In the sort circuit box, owing to be that component is configured in structure in the circuit box that has been pre-formed box-shaped, therefore be difficult to adopt machinery to carry out the assembling of component, and must carry out the hand assembled operation, therefore there is the high problem of manufacturing cost.In addition, also must use lead to carry out line to realize the connection of each control between the component.Not to realize mechanization fully, but need expensive machinery, therefore consequently have the high problem of manufacturing cost.

In view of the above problems, the invention provides a kind of air-conditioner of circuit box of the low cost of manufacture that has a Miniaturizable.

Air-conditioner of the present invention has the circuit box that component is used in the control of accommodating air-conditioner, the foregoing circuit box is to constitute like this, being about to above-mentioned control is installed on the insulated substrate with component, this insulated substrate has each control is coupled together the member that forms circuit with component, and with this insulated substrate assembling boxlike-forming.

Air-conditioner of the present invention has the circuit box that component is used in the control of accommodating air-conditioner, this circuit box is to constitute like this, being about to the wiring pattern is embedded in the insulating properties substrate, this wiring pattern is to constitute with connecting the conductive gold metal thin plate of above-mentioned control with the terminal of component, and this insulating properties substrate has the through hole of spying in the above-mentioned control of the connection of this wiring pattern with the position of the terminal of component, with this insulating properties substrate forming circuit box.

Air-conditioner of the present invention and insulated substrate are to adopt the die forming method with synthetic resin that above-mentioned wiring pattern is integrally formed.

If employing the present invention, then will control be configured on the every insulated substrate with component after, can be assembled into circuit box, therefore easily component is installed, also carry out the mechanization operation easily.And configuration control component on the insulated substrate of forming circuit box connects each control component with the wiring pattern that is embedded in the insulated substrate.Therefore, connecting the lead that printed circuit board (PCB) that control uses with component and distribution use has not just needed.

Fig. 1 is the outward appearance oblique view of air-conditioner of the present invention.

Fig. 2 is the oblique view that is assembled in the major part of the circuit box in this air-conditioner.

Fig. 3 is the key diagram of the circuit box seen from the side.

Fig. 4 is the circuit diagram that is configured in the component of the indoor units in the circuit box.

Fig. 5 is the circuit diagram that is configured in the component of the outdoor unit in the circuit box.

Among the figure, 7: circuit box

12: power relay (component)

14: terminal board (component)

13: control substrate (component)

11: transformer (component)

10A: insulated substrate

10B: insulated substrate

10C: insulated substrate

10D: insulated substrate

10E: insulated substrate

15A: connect pattern

15B: connect pattern

15C: connect pattern

15D: connect pattern

Embodiments of the invention are described below with reference to the accompanying drawings.

Fig. 1 is the oblique view of expression air-conditioner outward appearance of the present invention.1 is to be connected indoor units on the outdoor unit (not shown) with the distribution between refrigerant piping and unit among this figure.This indoor units is installed on the indoor wall.The 2nd, the return air inlet, the 3rd of suction room air is discharged the air outlet, the 4th with heat exchanger heats or cooled air, changes the wind deflector, the 5th of air supply direction along the vertical direction, shows the display part, the 6th of operating condition, the heat exchanger that heating or cooling inhaled air are used, in addition, the 7th, circuit box is disposing the component of controlling air-conditioner running usefulness.Blowing fan is positioned at the oblique below of the back side one side of heat exchanger, owing to both forward lap, so not shown.

Fig. 2 is the structure chart of circuit box 7.Among this figure, 10A, 10B, 10C, 10D, 10E are plastic insulated substrates, and components such as transformer 11, power relay 12, control substrate 13, terminal board 14 are housed on this insulated substrate.On insulated

substrate

10A, 10B, 10C, 10D, 10E, form the circuit pattern that constitutes by metal forming, be welded on this circuit pattern and each component is coupled together by terminal with component.

Carry out die-cut and the formation Wiring pattern to sheet metal.With resin-molded forming process Wiring pattern is embedded among

insulated substrate

10A, 10B, 10C, 10D, the 10E again, thereby uses the synthetic resin monolithic molding, be connected on this Wiring pattern, can be electrically connected by terminal with component.The method of this electrical connection is as follows.Promptly, on insulated

substrate

10A, 10B, 10C, 10D, 10E, offer the through hole corresponding with the terminal of the component that is disposed, the terminal of component is inserted in the connecting hole of the wiring pattern adjacent with this through hole, by terminal being welded on the edge of the connecting hole on the wiring pattern, carry out being connected of component and Wiring pattern.

Insulated

substrate

10A, 10B, 10C, 10D, 10E must have the needed prescribed strength of forming circuit box 7 frameworks itself.This intensity remains on needed intensity decision in the air-conditioner by the weight of the component of being installed and with circuit box.The thickness of the synthetic resin material that above-mentioned wiring pattern is clipped in the middle is by above-mentioned these intensity decisions.

15A, 15B, 15C, 15D are the connection patterns that forms by die-cut sheet metal, are used for insulated substrate 10A and insulated

substrate

10B, 10C, 10D, 10E are coupled together, and are electrically connected simultaneously.

Connection pattern

15A, 15B, 15C, 15D cover with the insulating coating film of insulation usefulness.

Insulated substrate 10A, the 10B of Gou Chenging, 10C, 10D, 10E are housed in the indoor units 1 after being assembled into box-shaped as shown in Figure 3 like this.At this moment, if in indoor units 1, form the gathering sill of the end of guiding insulated

substrate

10A, 10B, 10D, then can keep box shape easily and be housed in the position of regulation.

As required, also can be provided for between end 16A and end 16B, between end 16C and the end 16D, between end 16E and the end 16F, the member that couples together between end 16G and the end 16H (for example under the situation of breach, embeds the engagement tabs of this breach; Perhaps under the situation in hole, embed the projection in this hole etc.), keep box shape.

Lack 10F by on insulated substrate 10B, forming, after circuit box 7 assemblings, can easily connect distribution 19 between unit.

Fig. 4 shows the major part of the circuit of air-conditioner (indoor units) usefulness, and part 20 expressions that with dashed lines surrounds are configured in the component on the insulated substrate 10A of circuit box 7.Other electric parts is configured on the other synthetic resin board (for example insulated

substrate

10B, 10C, 10D, 10E).And the circuit box after the assembling is loaded in the indoor machine of air-conditioner group.Terminal board 14 is to be connected usefulness with distribution 19 between the unit of three cores with outdoor unit.Control substrate 13 for example is made of components such as microprocessors.The 21st, insert the attaching plug, the 22nd in the socket for power supply, power switch, the 12nd, power relay, the 23rd drives the motor, the 24th that the guide plate of above-mentioned change wind direction is used, and drives the motor, the 25th that not shown blowing fan is used, and fan electromotor is with capacitor, the 26th, and temperature sensor, the 27th detects the heat-exchanger temperature sensor, the 28th that the temperature of heat exchanger 6 is used, display base plate, the 11st, power transformer, the 29th, main fuse, the 30th, ground wire, the 31st, HA terminal.

The circuit box 7 of Gou Chenging is compared with conventional device like this, can accomplish small-sized, lightweight, can also reduce price.This point just is described below.

The circuit box of assembling in the existing air-conditioner is normally used to be the opening-like attitude in front side (as required, the front side also can be added a cover).It is the box structure that is made of two side plates, top board, base plate and back side panels.And this circuit box is assembled in the gap of air-conditioner (indoor units and outdoor unit), so the plastic plate that the front was said not necessarily is flat shape.And the printed circuit board (PCB) (for example 2) that has disposed component is arranged in this circuit box.Therefore, existing circuit box is a big casing that surrounds 2 component installation base plates, and circuit box has occupied very large-sized space.

Different therewith, the circuit box of the present application is because the insulated substrate of forming circuit box is provided with the Wiring pattern that the connecting circuit element is used, so do not need other printed circuit board (PCB), therefore energy miniaturization can be accomplished lightweight simultaneously.And, owing to do not need existing printed circuit board (PCB),, also as long as assembling boxlike-forming is very simple, can make the low price of manufacturing (assembling) cost and member during assembling so the construction material that uses is few.

And the insulated substrate of circuit box that constitutes the present application assembling boxlike-forming again after component has been installed so component is installed easily, is convenient to adopt the mechanization manufacturing, makes assembling operation become easy.

And, when carrying out the maintenance of component, circuit box 7 can be taken out from indoor units 1 and carry out.At this moment, the component that is configured in the circuit box 7 all is drawn out, and can be that object overhauls with the whole components that are configured in the circuit box therefore.

Because circuit box 7 and component are formed one, so each component can be directly installed on the insulation board of forming circuit box, for example the lead between the connection substrate that in the past used has not just needed.And can make the simple shapeization of circuit box.

In the present embodiment, component is configured in the inboard of circuit box, welding portion is positioned at outer surface one side.Therefore, in order not make this welding portion short circuit, the thin plate that also can dispose insulation usefulness insulate.

In the above-described embodiments, the situation of indoor machine of air-conditioner group 1 has been described, but the circuit box 7 that as above constitutes also can be applicable to outdoor unit.Fig. 5 is the circuit diagram of outdoor unit, and the part shown in 50 is to be configured in one with the component on the resinous insulated substrate.According to the different situations of the number of component, size, weight etc., reinstall in the install bin after also these components can being configured on the other installation base plate, also have no relations near perhaps being configured in the install bin outside., preferably be configured in as much as possible on the substrate of forming circuit box.The 51st, the power filter substrate, the 52nd, distribution is connected the terminal board of usefulness between the confession unit with indoor units, the 53rd, choke coil, the 54th, diode, the 55th, the control substrate, the 56th, compressor temperature detects the thermistor of usefulness, the 57th, drive the fan electromotor of the outdoor draft fan that outdoor air supply chamber outer heat-exchanger is used, the 58th, magnetic valve, the 59th, the cross valve of switching cold air/heating installation running usefulness, 60 detect the thermistor that outside air temperature is used, the 61st, the thermistor that the temperature of sensing chamber's outer heat-exchanger is used, the 62nd, drive the fan electromotor that outdoor draft fan is used, the 63rd, ground wire, the 64th, the fan electromotor capacitor, the 65th, be used for controlling the transistor of compressor 66.Like this, the component that outdoor unit is used is configured on the insulated substrate of forming circuit box, gets final product in the outdoor unit of packing into.

In the present embodiment, the insulated substrate that the forming circuit box has been described adopts the example of flat substrate, but that insulated substrate not necessarily is limited to is flat, according to the relation of air-conditioner inner body, the shape that changes this plate also has no relations., compare with indoor units, the sufficient outdoor unit in space can be easy to adopt dull and stereotyped mostly, make easily simple in structure, can also reduce manufacturing expense and assembly expenses.

As mentioned above, if adopt the present invention, because component is configured on the insulated substrate, after each component was electrically connected, assembling boxlike-forming and forming circuit box so component is installed easily, also adopt mechanization easily, were made, assembling is all easy.In addition, be embedded in the insulated substrate with the Wiring pattern component terminal, that constitute by sheet metal, with this insulated substrate forming circuit box, component be configured on each insulated substrate, so can make the circuit box miniaturization owing to will connect control.Thereby also make small-sized, the lightweight of air-conditioner that has this circuit box, and can also make low price.

Claims

1. one kind has the air-conditioner that the circuit box of component is used in the control of accommodating air-conditioner, it is characterized in that: above-mentioned control is installed on the insulated substrate with component, this insulated substrate has each control is coupled together the member that forms circuit with component, and this insulated substrate assembling boxlike-forming is constituted the foregoing circuit box.

2. one kind has the air-conditioner that the circuit box of component is used in the control of accommodating air-conditioner, it is characterized in that: the wiring pattern is embedded in the insulating properties substrate, this wiring pattern is to constitute with connecting the conductive gold metal thin plate of above-mentioned control with the terminal of component, and this insulating properties substrate has the through hole of spying in the above-mentioned control of the connection of this wiring pattern with the position of the terminal of component, with this insulating properties substrate forming circuit box.

3. air-conditioner according to claim 2 is characterized in that, above-mentioned insulated substrate is to adopt the die forming method with synthetic resin that above-mentioned wiring pattern is integrally formed.