CN201673840U - Control switch of automobile air conditioner - Google Patents
Control switch of automobile air conditioner Download PDFInfo
- Publication number
- CN201673840U CN201673840U CN2010201924112U CN201020192411U CN201673840U CN 201673840 U CN201673840 U CN 201673840U CN 2010201924112 U CN2010201924112 U CN 2010201924112U CN 201020192411 U CN201020192411 U CN 201020192411U CN 201673840 U CN201673840 U CN 201673840U
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- static contact
- contact piece
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- spring
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Abstract
The utility model discloses a control switch of an automobile air conditioner, which comprises a socket connector connected with a motor, a control circuit board connected with the socket connector, a plurality of static contact pieces fixed on the circuit board, and a movable contact piece arranged at the front ends of the static contact pieces, wherein the movable contact piece is fixed on a positioning fixing piece, and the positioning fixing piece can control the movable contact piece to be contacted and connected with a certain static contact piece; the static contact pieces comprise a first contact piece, a second contact piece, a third contact piece, a fourth contact piece and a fifth contact piece, and the first static contact piece and the second static contact piece are connected with an input power supply; the third static contact piece, the fourth static contact piece and the fifth static contact piece are sequentially connected with the first static contact piece and the second static contact piece in parallel, and resistors are respectively arranged between the first static contact piece and the third static contact piece and between the second static contact piece and the third static contact piece; and resistors are respectively arranged between the third static contact piece and the fourth static contact piece and between the fourth static contact piece and the fifth static contact piece. The utility model has the advantages of long service life, accurate control, simple adjustment and the like, and is suitable for the interdigitation of different products.
Description
Technical field
The utility model relates to a kind of control switch, particularly relates to a kind of control switch of air conditioning for automobiles.
Background technology
The purpose of automobile air-condition system is under any weather and driving conditions, can provide comfortable environment inside car for the occupant.Wait and build comfortable pleasant environment in the compartment by regulating temperature, humidity, wind speed and ventilation.Existing used for automobile air conditioning pressure switch has singlet switch, binary states switch, tri-state switch, and is wherein universal with the use of tri-state switch especially.As disclosing a kind of tri-state switch in the Chinese patent ZL03221760.9 specification, has housing, spacer, spacer is divided into pressure control and control chamber with housing, pressuring film plate in once arranging in the control chamber, middle wedge, high pressure diaphragm, high pressure seat and low pressure diaphragm high pressure seat are slided and are provided with the top cover, slide in the cover of top and be provided with the push rod that passes high pressure diaphragm and middle wedge, when work, when pressure reaches low pressure connection value, pressure is by wedge in the middle pressuring film plate warp, high pressure diaphragm, high pressure seat is delivered to the low pressure diaphragm, the low pressure diaphragm overturns and oppresses corresponding reed by high pressure seat, connects low-voltage circuit; When pressure reaches the high pressure cut off value; still be to transfer the pressure to high making leaf spring by middle wedge by middle making leaf spring; high making leaf spring upset back promotes the corresponding reed of top cover compressing; open circuit; finish high voltage protective, the structure of this tri-state switch is low pressure, high pressure, the coaxial cascaded structure of middle pressure, breaks down in a certain pressure function; after particularly central making leaf spring or middle wedge block, can influence other pressure functions.Elsewhere along with auto industry and development of modern science and technology, particularly to the control of automobile electrical amount, the requirement of controlling different circuit under four kinds of pressure states is very strong, therefore need relatively independent, the mutually noninterfere of a kind of each pressure control now, can under four kinds of pressure states, control the air conditioning for automobiles pressure switch of different circuit simultaneously.
The motorcar electric controller air quantity switch that also has at present has independent air volume control switch, and its manufacturing cost is than higher, and precision is restive, also is subjected to the restriction of installation site simultaneously.Controller combination air quantity switch, this control switch needs twice injection moulding fixed touching plate, and manufacturing cost is very high, and the accuracy of manufacture is also restive, complex process, the pcb board Copper Foil can not pass through big electric current as conducting electricity to connect simultaneously, and the life-span of switch is also lower.
The utility model content
Technical problem to be solved in the utility model provides a kind of life-span length, control is accurate, adjustment is simple and be adapted to the control switch of different product to slotting air conditioning for automobiles.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of control switch of air conditioning for automobiles, comprise the connector that is connected with motor, the control circuit board that is connected with connector, be fixed on a plurality of static contacts on the described circuit board, front end at described a plurality of static contacts is equipped with a movable contact spring, described movable contact spring is fixed on the location fixture, described positioning mounting can be controlled described movable contact spring and contact conducting with a certain static contact, it is characterized in that, described static contact comprises first, second, the 3rd, the 4th, the 5th static contact, described first, second static contact is connected with the input power supply, the described the 3rd, the 4th, the 5th static contact is successively with described first, second static contact is connected in parallel, described first, be provided with a resistance between second static contact and the 3rd static contact, be respectively arranged with a resistance between described the 3rd static contact and the 4th static contact and between the 4th static contact and the 5th static contact.
The utility model with respect to prior art compare have long, control of life-span accurately, adjust simple and be adapted to different product advantage such as inserting.
Optimal way, described positioning mounting comprises the pre-compressed spring fixedly connected with movable contact spring, is connected the rotating shaft of pre-compressed spring, side at described rotating shaft is provided with a location spring, be connected with a location steel ball in the end of described retainer spring, described movable contact spring is by rotating shaft adjustment and first and second static contacts and first and second static contacts and the 3rd, the 4th, the 5th static contact corresponding conducting or the off-state of contacting respectively, and described retainer spring and positioning ball are used for locating with fixing movable contact spring and contact or separated position with described static contact.
Description of drawings
Just the utility model is described in further detail with enforcement below in conjunction with accompanying drawing:
Fig. 1 is a decomposition texture schematic diagram of the present utility model.
Fig. 2 is on-off principle figure of the present utility model.
Reference numeral:
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
With reference to accompanying drawing 1, shown in 2, the utility model comprises the connector 8 that is connected with motor 20, the control circuit board 1 that is connected with connector 8, be fixed on a plurality of static contacts on the described circuit board 1, front end at described a plurality of static contacts is equipped with a movable contact spring 2, described movable contact spring 2 is fixed on the location fixture, described positioning mounting can be controlled described movable contact spring 2 and contact conducting with a certain static contact, described static contact comprises first static contact 7, second static contact 12, the 3rd static contact 9, the 4th static contact 10, the 5th static contact 11, described first static contact 7, second static contact 12 is connected with the input power supply, described the 3rd static contact 9, the 4th static contact 10, the 5th static contact 11 successively with described first static contact 7, second static contact 12 is connected in parallel, at described first static contact 7, be provided with a resistance R 1 between second static contact 12 and the 3rd static contact 9, a corresponding resistance R 2 and the resistance R 3 of being provided with between the 10 and the 4th static contact 10 and the 5th static contact 11 between described the 3rd static contact 9 and the 4th static contact.Described positioning mounting comprises the pre-compressed spring 6 of fixedlying connected with movable contact spring 2, the rotating shaft 3 that connects pre-compressed spring 6, side at described rotating shaft 3 is provided with a location spring 4, be connected with a location steel ball 5 in the end of described retainer spring 4, described movable contact spring 2 is adjusted and first static contact 7 and second static contact 12 and first static contact 7 and second static contact 12 and the 3rd static contact 9 by rotating shaft 3, the 4th static contact 10, corresponding respectively contact conducting of the 5th static contact 11 or off-states, described retainer spring 4 and positioning ball 5 are used for the location and contact or separated position with above-mentioned static contact with fixing movable contact spring 2.
The explanation of switch concrete function, air-conditioner controller is combined on this air quantity switch and the fascia, mainly be conducting, regulate string and control the rotating speed of blower motor, thereby reach the function of regulating the air quantity size in the resistance of motor side resistor by the different contacts of switch.
At first be with first static contact 7, second static contact 12, the 3rd static contact 9, the 4th static contact 10,11 5 static contacts of the 5th static contact are packed in the PCB circuit board 1 and shaping, be welded on the PCB circuit board 1 by wave-soldering then, various wirings by Copper Foil on the PCB circuit board 1 connects with each pin of connector 8, movable contact spring 2 is packed on the rotating shaft 3, and give movable contact spring 2 certain precompression by pre-compressed spring 6, guarantee the movable contact spring 2 and first static contact 7, second static contact 12, the 3rd static contact 9, the 4th static contact 10,11 5 static contacts of the 5th static contact can fully contact, and, rotating shaft 3 can be stopped in appointed positions at the assigned address of rotating shaft 3 pack into retainer spring 4 and positioning ball 5.
I: when three contacts of movable contact spring 2 have two to contact with first static contact 7, second static contact 12, when another contact was unsettled, power supply directly inserted blower motor 20, and at this moment blower speed is the highest, air quantity maximum, i.e. air quantity switch top gear.
II: by the location of rotating shaft 3 rotations and positioning ball 5, when three contacts of movable contact spring 2 have two to contact with first static contact 7, second static contact 12, when another contact contacts with the 3rd static contact 9, resistance R1 inserts blower motor 20 on the power supply string, at this moment high in the blower speed, air quantity is bigger, and promptly the air quantity switch is medium-to-high grade, at this moment in the 12V system, generally require electric current about 20A, influenced by the power of motor and the resistance sizes that seals in.
III: by the location of rotating shaft 3 rotations and positioning ball 5, when three contacts of movable contact spring 2 have two to contact with first static contact 7, second static contact 12, when another contact contacts with the 4th static contact 10, resistance R1+R2 inserts blower motor 20 on the power supply string, at this moment low in the blower speed, air quantity is less, and promptly the air quantity switch is low and middle-grade, at this moment generally requires electric current (influenced by the power of motor and the resistance sizes that seals in) about 10A in the 12V system;
IV: by the location of rotating shaft 3 rotations and positioning ball 5, when three contacts of movable contact spring 2 have two to contact with first static contact 7, second static contact 12, when another contact contacts with the 5th static contact 11, resistance R1+R2+R3 inserts blower motor 20 on the power supply string, at this moment blower speed is minimum, the air quantity minimum, promptly at this moment air quantity switch low or first gear generally requires electric current (influenced by the power of motor and the resistance sizes that seals in) about 3A in the 12V system.
By increasing by five static contacts on the PCB circuit board 1, the overcurrent characteristic of every grade of air quantity switch can satisfy the twice specification requirement that the maximum current that can bear between every pair of contact is a rated current.
Above-mentioned car electric air conditioner controller quantity switch of air advantage:
1: adopt pcb board as substrate, increase by 5 fixed touching plates, by adopting wave soldering after the frock shaping, efficiency improves, good product consistency;
2: after adopting 0.4 millimeter pure copper strips (T2), in the DC12V situation, can satisfy the big electric current more than the 20A, and can reach more than 30,000 times the quantity switch of air life-span;
3: it is rear unaffected to the operating physical force of switch to increase copper strips (T2);
4: can adopt the standard connector, easy to adjust, can satisfy different product to inserting!
The above is all so that the utility model conveniently to be described, in the spiritual category that does not break away from the utility model creation, the various simple covert and modification that those skilled in the art did of being familiar with this technology still belongs to protection range of the present utility model.
Claims (2)
1. the control switch of an air conditioning for automobiles, comprise the connector that is connected with motor, the control circuit board that is connected with connector, be fixed on a plurality of static contacts on the described circuit board, front end at described a plurality of static contacts is equipped with a movable contact spring, described movable contact spring is fixed on the location fixture, described positioning mounting can be controlled described movable contact spring and contact conducting with a certain static contact, it is characterized in that: described static contact comprises first, second, the 3rd, the 4th, the 5th static contact, described first, second static contact is connected with the input power supply, the described the 3rd, the 4th, the 5th static contact is successively with described first, second static contact is connected in parallel, described first, be provided with a resistance between second static contact and the 3rd static contact, be respectively arranged with a resistance between described the 3rd static contact and the 4th static contact and between the 4th static contact and the 5th static contact.
2. according to the control switch of the described air conditioning for automobiles of claim 1, it is characterized in that: described positioning mounting comprises the pre-compressed spring of fixedlying connected with movable contact spring, the rotating shaft that connects pre-compressed spring, side at described rotating shaft is provided with a location spring, be connected with a location steel ball in the end of described retainer spring, described movable contact spring is by rotating shaft adjustment and first and second static contacts and first and second static contacts and the 3rd, the 4th, respectively corresponding contact conducting of the 5th static contact or off-state, described retainer spring and positioning ball are used for the location and contact or separated position with described static contact with fixing movable contact spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201924112U CN201673840U (en) | 2010-05-13 | 2010-05-13 | Control switch of automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201924112U CN201673840U (en) | 2010-05-13 | 2010-05-13 | Control switch of automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673840U true CN201673840U (en) | 2010-12-15 |
Family
ID=43331248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201924112U Expired - Fee Related CN201673840U (en) | 2010-05-13 | 2010-05-13 | Control switch of automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260615A (en) * | 2014-09-30 | 2015-01-07 | 博耐尔汽车电气系统有限公司 | Electric-car air conditioning controller associated mechanism |
| CN112242263A (en) * | 2019-07-18 | 2021-01-19 | 韩国星炆电子有限公司 | Rotary coding switch |
-
2010
- 2010-05-13 CN CN2010201924112U patent/CN201673840U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260615A (en) * | 2014-09-30 | 2015-01-07 | 博耐尔汽车电气系统有限公司 | Electric-car air conditioning controller associated mechanism |
| CN104260615B (en) * | 2014-09-30 | 2016-07-06 | 博耐尔汽车电气系统有限公司 | A kind of controller of air conditioner of electric automobile related organization |
| CN112242263A (en) * | 2019-07-18 | 2021-01-19 | 韩国星炆电子有限公司 | Rotary coding switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20120513 |