CN100438323C - Resistor for controlling fan motor rotational speed in air conditioning device - Google Patents

Resistor for controlling fan motor rotational speed in air conditioning device Download PDF

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Publication number
CN100438323C
CN100438323C CNB2006100721123A CN200610072112A CN100438323C CN 100438323 C CN100438323 C CN 100438323C CN B2006100721123 A CNB2006100721123 A CN B2006100721123A CN 200610072112 A CN200610072112 A CN 200610072112A CN 100438323 C CN100438323 C CN 100438323C
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CN
China
Prior art keywords
circuit board
thermal cutoffs
resistor circuit
heating panel
radiator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2006100721123A
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Chinese (zh)
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CN1848666A (en
Inventor
韩兴洙
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JS Tech Co Ltd
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JS Tech Co Ltd
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Publication date
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Publication of CN1848666A publication Critical patent/CN1848666A/en
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Publication of CN100438323C publication Critical patent/CN100438323C/en
Expired - Fee Related legal-status Critical Current
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00514—Details of air conditioning housings
    • B60H1/00521—Mounting or fastening of components in housings, e.g. heat exchangers, fans, electronic regulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
    • B60H1/08—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator
    • B60H1/10—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator the other radiator being situated in a duct capable of being connected to atmosphere outside vehicle
    • B60H1/12—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator the other radiator being situated in a duct capable of being connected to atmosphere outside vehicle using an air blower
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/07—Facilitating assembling or mounting

Abstract

Provided is a resistor for controlling a fan motor rotating speed for use in an air conditioner. The resistor comprises a base body, a radiator attached to a top portion of the base body, a printed resistor circuit board covered with insulating sheets and received within the radiator, a fixture plate placed on a front surface of the radiator to isolate the printed resistor circuit board from the outside, and a temperature fuse spot-welded to upper connecting tip ends of the printed resistor circuit board at a top portion of the radiator. A fastener portion of an arc shape is formed on a top portion of the fixture plate to wrap around and fixedly support the temperature fuse. This reduces the manufacturing cost of the resistor, while improving the manufacturability and reliability thereof.

Description

The resistor of control fan motor rotational speed in air-conditioning equipment
Technical field
The present invention relates to a kind of resistor (resistor) that in air-conditioning equipment, is used to control fan motor rotational speed.
Background technology
For the purpose of air conditioning, traditional motor vehicles must be provided with chiller or heater.Under the effect of motor-driven fan, the passenger cabin that cold air that is produced by chiller or heater or hot-air force to be supplied to vehicle.
This air-conditioning system be configured to driver can be with the intensity adjustments of cold air or hot-air third gear to fourth gear, for example, gentle breeze and wind and high wind, thereby make the room temperature in the vehicle reach best.
By setting rotating speed (that is) in the mode of stepping, make progressively adjusting to the air intensity possibility that becomes as the rotating speed of motor of fan drive device as the fan of air transport device.In this, use resistor as the device that is used to control motor.
The resistor that uses for above-mentioned purpose comprises that the heat that is generated when being used for operation carries out the radiator of radiation, is used to receive connector end and the matrix of main connector end and the laminal printed circuit board (PCB) that is installed on radiator inside based on stepping.The end points of printed circuit board (PCB) is welded with Thermal Cutoffs, Thermal Cutoffs plays the effect of the device of cutting off the electricity supply, in that when making that surge current flows through printed circuit board (PCB), Thermal Cutoffs disconnects the electrical power of motor owing to abnormal conditions (for example motor etc. fault) have taken place.
But traditional Thermal Cutoffs can produce such problem, that is, when being subjected to external impact, traditional Thermal Cutoffs silk probably leaves its position.This is because Thermal Cutoffs only is attached to the end of printed circuit board (PCB) by spot welding.If as motor vehicles in recent years, Thermal Cutoffs is attached on the top of radiator and is exposed to the external world, and so this problem then can take place more continually.
Summary of the invention
One object of the present invention is to overcome the inherent shortcoming of prior art described above, and provide a kind of resistor that in air-conditioning equipment, is used to control fan motor rotational speed, this resistor can enoughly be arranged on fixture on the top of fixed head and partly come firmly to be fixed at fan driving motor the Thermal Cutoffs of cutting off the electricity supply when unusual to take place, thereby improve the installability of Thermal Cutoffs, by adopting the heating panel of sheet, can make the product that combines the light weight resistor, and can make more at an easy rate, and can by be arranged on the heating panel flexible retained part simply fixed resistor improve the manufacturability and the reliability of product.
In order to realize purpose of the present invention, one aspect of the present invention provides a kind of resistor that is used to control fan motor rotational speed in air-conditioning equipment, and described resistor can comprise: matrix; Radiator is attached to the top of described matrix; The printed resistor circuit board is coated with spacer, and is contained in described radiator inside; Fixed head is arranged on the front surface of described radiator, so that the described printed resistor circuit board and the external world separate; And Thermal Cutoffs, the top that is spot welded to described printed resistor circuit board at the place, top of described radiator connects tip, wherein, on the top of described fixed head, be formed with arcuate fixed part part, also to support described Thermal Cutoffs regularly around described Thermal Cutoffs.
Another aspect of the present invention provides a kind of like this resistor that is used to control fan motor rotational speed in air-conditioning equipment, and described resistor can comprise: matrix; Heating panel is attached to the top of described matrix; The printed resistor circuit board is coated with spacer, and contacts with described heating panel; Fixed head is arranged on the front surface of described heating panel, so that the described printed resistor circuit board and the external world separate; And Thermal Cutoffs, the top that is spot welded to described printed resistor circuit board at the place, top of described heating panel connects tip, wherein, described heating panel has flake shape, and have a plurality of flexible retained parts at the incline place of described heating panel, and the bending of described retained part can be fixed to described heating panel with described printed resistor circuit board and described fixed head.Wherein, on the top of described fixed head, be formed with arcuate fixed part part, also to support described Thermal Cutoffs regularly around described Thermal Cutoffs.
Description of drawings
By below in conjunction with the description of accompanying drawing to preferred embodiment, it is more apparent that above and other objects of the present invention, feature and beneficial effect will become, wherein:
Fig. 1 is the front view that illustrates according to resistor first embodiment of the present invention, be used to control fan motor rotational speed in air-conditioning equipment;
Fig. 2 is the part exploded perspective view of the resistor of first embodiment shown in Fig. 1;
Fig. 3 is the part component-assembled partial sectional view together of the resistor of first embodiment shown in Fig. 1;
Fig. 4 is the front view that illustrates according to resistor second embodiment of the present invention, be used to control fan motor rotational speed in air-conditioning equipment;
Fig. 5 is the part exploded perspective view of the motor of second embodiment shown in Fig. 4; And
Fig. 6 is the part component-assembled partial sectional view together of the resistor of second embodiment shown in Fig. 4.
Embodiment
Describe the preferred embodiments of the invention in detail with reference to Fig. 1 to Fig. 6 below.
At first with reference to the Fig. 1 to Fig. 3 that describes first embodiment of the present invention, the resistor that is used to control fan motor rotational speed comprises matrix 3, and it admits a plurality of power link 1 and main power links 2 based on stepping.Radiator 4 with a plurality of radiator fins is installed on the top of matrix 3, and the opposite side relative with radiator 4 is formed with a plurality of coupling recesses 5.
The printed resistor circuit board 8 of sheet is connected to based on the power link 1 of stepping and main power link 2.Printed resistor circuit board 8 is covered by spacer 6 and 7 at its front surface and rear surface, and printed resistor circuit board 8 is contained in radiator 4 inside.
Thermal Cutoffs 13 is arranged between the connection tip 9 that extends to printed resistor circuit board 8 tops, and is spot welded to connection tip 9, and Thermal Cutoffs 13 is used for cutting off the electricity supply when the fan driving motor fault.Thermal Cutoffs 13 is arranged in the upper space of radiator 4, is coupled to radiator 4 even therefore be positioned at the fixed head 10 of below, and Thermal Cutoffs 13 still keeps being exposed to the outside.
Simultaneously, fixed head 10 is suitable for making printed resistor circuit board 8 to be isolated from the outside, and a plurality of coupling projections 11 of its side are inserted in the coupling recess 5 of radiator 4.Therefore, when fixed head 10 was coupled to the front surface of radiator 4, printed resistor circuit board 8 was isolated from the outside.
According to the present invention, arcuate fixed part part 12 is attached to the top of fixed head 10, with fixed support Thermal Cutoffs 13.Shown in Fig. 2 and 3, to upper process, and its shape can be around the body part of Thermal Cutoffs 13 from the top center of fixed head 10 part for fixture part 12.
Therefore,,, then make fixture part 12 be squeezed if fixed head 10 is coupled to the front surface of radiator 4 as expression best among Fig. 3, and the body part of firm support Thermal Cutoffs 13.Even so just can prevent Thermal Cutoffs 13 when being subjected to thump also not can be connected tip 9 and separate.
Since this structure of the present invention and operation, the shock resistance that resistor can be improved on the whole, thus make Thermal Cutoffs 13 under the situation that fan driving motor breaks down, to cut off the electricity supply more reliably.
Referring now to the Fig. 4 to Fig. 6 that describes second embodiment of the present invention, the resistor that is used to control fan motor rotational speed comprises matrix 3, and it admits a plurality of power link 1 and main power links 2 based on stepping.Heating panel 4 with a plurality of radiator fins is installed on the top of matrix 3, and heating panel 4 has flake shape, and has a plurality of flexible retained parts 20, retained part 20 from the incline side of heating panel 4 laterally to outer process.With the combination of components of resistor together in, flexible retained part 20 can bend common 180 degree backward, thereby guarantees that printed resistor circuit board 8 and fixed head 10 can firmly be fixed to heating panel 4.
The printed resistor circuit board 8 of sheet is connected to based on the power link 1 of stepping and main power link 2.Printed resistor circuit board 8 covers with spacer 6 and 7 at its front surface and rear surface, and contacts with a surface of heating panel 4.
Thermal Cutoffs 13 is arranged between the connection tip 9 that extends to printed resistor circuit board 8 tops, and is spot welded to connection tip 9, and Thermal Cutoffs 13 is used for cutting off the electricity supply when the fan driving motor fault.Thermal Cutoffs 13 is arranged in the upper space of heating panel 4, even therefore fixed head 10 is coupled to heating panel 4, Thermal Cutoffs 13 still keeps being exposed to the outside.
Simultaneously, fixed head 10 is suitable for making printed resistor circuit board 8 to be isolated from the outside.Arcuate fixed part part 12 is attached to the top of fixed head 10, with support temperature fuse 13 regularly.As clear illustrating among Fig. 5 and Fig. 6, to upper process, and its shape can be around the body part of Thermal Cutoffs 13 from the top center of fixed head 10 part for fixture part 12.
Therefore,,, then make fixture part 12 be squeezed if fixed head 10 is coupled to the front surface of heating panel 4 as expression best among Fig. 6, and the body part of firm support Thermal Cutoffs 13.Even so just can prevent Thermal Cutoffs 13 when being subjected to thump also not can be connected tip 9 and separate.
The operation and the beneficial effect of above-mentioned resistor are described below.
In order to make resistor, spacer 6 and 7 covers printed resistor circuit board 8, and under the situation that flexible retained part 20 keeps launching, printed resistor circuit board 8 contacts with the front surface of heating panel 4.Then, fixed head 10 is arranged on an over top of printed resistor circuit board 8.
Afterwards, shown in the shade among Fig. 5, flexible retained part 20 is bending backward above fixed head 10, thereby makes fixed head 10 and printed resistor circuit board firmly be fixed to heating panel 4.
During fixed head 10 and printed resistor circuit board 8 were fixed to the process of heating panel 4, the fixture part 12 that is arranged on the top of fixed head 10 was suitable for pushing the body part that is welded to the Thermal Cutoffs that is connected tip 9 13 of printed resistor circuit board 8 with the strong point.Even so just can prevent Thermal Cutoffs 13 when being subjected to thump also not can be connected tip 9 and separate.
According to the present invention described above,, can make the product that combines the light weight resistor, and can make more at an easy rate by adopting the heating panel 4 of sheet.In addition, because, therefore can reduce manufacturing step, thereby can improve the manufacturability of product by making flexible retained part 20 bendings make printed resistor circuit board 8 and fixed head 10 be fixed to heating panel 4 simply.
In addition, because Thermal Cutoffs 13 is by fixture part 12 firm support that form on the top of fixed head 10, therefore the resistor shock resistance that can be improved on the whole, thus make Thermal Cutoffs 13 under the situation that fan driving motor breaks down, to cut off the electricity supply more reliably.
Can be apparent by above description, the invention provides a kind of resistor, wherein, the top that Thermal Cutoffs is spot welded to the printed resistor circuit board of radiator inside connects tip, and, arcuate fixed part part 12 is formed on the top of fixed head, to support the body part of Thermal Cutoffs with extruding and fixing.This makes it possible to partly come firmly to be fixed for to take place the Thermal Cutoffs of cutting off the electricity supply when unusual with being arranged on fixture on the top of fixed head in fan driving motor, thus the reliability that improves the installability of Thermal Cutoffs and in air-conditioning equipment, be used to control the resistor of fan motor rotational speed.
Though some preferred embodiment of the present invention of having described in the above,, conspicuous when in scope of the present invention defined by the appended claims, carrying out various changes and revising for a person skilled in the art.

Claims (2)

1. resistor that is used to control fan motor rotational speed in air-conditioning equipment comprises:
Matrix;
Radiator is attached to the top of described matrix;
The printed resistor circuit board is coated with spacer, and is contained in described radiator inside;
Fixed head is arranged on the front surface of described radiator, so that the described printed resistor circuit board and the external world separate; And
Thermal Cutoffs, the top that is spot welded to described printed resistor circuit board at the place, top of described radiator connects tip,
Wherein, on the top of described fixed head, be formed with arcuate fixed part part, also to support described Thermal Cutoffs regularly around described Thermal Cutoffs.
2. resistor that is used to control fan motor rotational speed in air-conditioning equipment comprises:
Matrix;
Heating panel is attached to the top of described matrix;
The printed resistor circuit board is coated with spacer, and contacts with described heating panel;
Fixed head is arranged on the front surface of described heating panel, so that the described printed resistor circuit board and the external world separate; And
Thermal Cutoffs, the top that is spot welded to described printed resistor circuit board at the place, top of described heating panel connects tip,
Wherein, described heating panel has flake shape, and has a plurality of flexible retained parts at the incline place of described heating panel, and the bending of described retained part can be fixed to described heating panel with described printed resistor circuit board and described fixed head, and
Wherein, on the top of described fixed head, be formed with arcuate fixed part part, also to support described Thermal Cutoffs regularly around described Thermal Cutoffs.
CNB2006100721123A 2005-04-13 2006-04-12 Resistor for controlling fan motor rotational speed in air conditioning device Expired - Fee Related CN100438323C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20-2005-0010152U KR200389077Y1 (en) 2005-04-13 2005-04-13 Resistor combination structure for fan motor control
KR2020050010157 2005-04-13
KR2020050010152 2005-04-13

Publications (2)

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CN1848666A CN1848666A (en) 2006-10-18
CN100438323C true CN100438323C (en) 2008-11-26

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102103914B (en) * 2009-12-16 2012-10-03 上海克拉电子有限公司 Speed regulating resistor for vertical flat plate type car air conditioner

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062050A (en) * 1990-11-26 1992-06-17 太平洋精工株式会社 The resistance device that is used for blower motor
JPH09246022A (en) * 1996-03-05 1997-09-19 Calsonic Corp Resistor in air conditioner for mobile and manufacture of the resistor
US5703561A (en) * 1995-12-27 1997-12-30 Calsonic Kohwa Co., Ltd. Resistor device
US5859581A (en) * 1997-06-20 1999-01-12 International Resistive Company, Inc. Thick film resistor assembly for fan controller
US6018288A (en) * 1997-05-09 2000-01-25 Indak Manufacturing Corp. Flat resistors for automotive blower motor speed control or other service

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062050A (en) * 1990-11-26 1992-06-17 太平洋精工株式会社 The resistance device that is used for blower motor
US5703561A (en) * 1995-12-27 1997-12-30 Calsonic Kohwa Co., Ltd. Resistor device
JPH09246022A (en) * 1996-03-05 1997-09-19 Calsonic Corp Resistor in air conditioner for mobile and manufacture of the resistor
US6018288A (en) * 1997-05-09 2000-01-25 Indak Manufacturing Corp. Flat resistors for automotive blower motor speed control or other service
US5859581A (en) * 1997-06-20 1999-01-12 International Resistive Company, Inc. Thick film resistor assembly for fan controller

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KR200389077Y1 (en) 2005-07-07
CN1848666A (en) 2006-10-18

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Granted publication date: 20081126

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