CN108667223A - Vehicle-mounted air-conditioning blower interface circuit and control system - Google Patents
Vehicle-mounted air-conditioning blower interface circuit and control system Download PDFInfo
- Publication number
- CN108667223A CN108667223A CN201810491910.2A CN201810491910A CN108667223A CN 108667223 A CN108667223 A CN 108667223A CN 201810491910 A CN201810491910 A CN 201810491910A CN 108667223 A CN108667223 A CN 108667223A
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- vehicle
- interface circuit
- mounted air
- capacitance
- line
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0066—Constructional details of transient suppressor
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of vehicle-mounted air-conditioning blower interface circuit and control systems, wherein, interface circuit includes electrode line and negative line, one end of the electrode line and one end of the negative line are respectively used to be electrically connected for electric connection terminal with blower motor, the other end of the electrode line and the other end of the negative line are respectively used to be electrically connected with supply lines, further include：Restraining device is radiated, the radiation restraining device is electrically connected with the electrode line and the negative line.Through the invention, it is not necessary that brush motor is changed to brushless motor, and the deficiency of metal shell shielding action is also compensated for, so as to effectively promote the electromagnetic disturbance performance of blower motor.
Description
Technical field
The present invention relates to vehicle radiation resistance testing field more particularly to a kind of vehicle-mounted air-conditioning blower interface circuit and
Control system.
Background technology
For the blower motor of air-conditioning system since own power is larger, radiation disturbance energy is larger, and blower motor is whole
Working equipment when belonging to long on vehicle carries out radiation disturbance experiment in vehicle, and the harassing and wrecking energy that air blower generates is not inhibiting
In the case of, vehicle radiation disturbance can be caused exceeded.
Typically, blower motor is brush motor class product, and is powered connection using common interface circuit, i.e.,
The power supply of air blower patches end and only provides the connection of positive and negative anodes cable.After tested, aforementioned harassing and wrecking energy is mainly changed by carbon brush for electric machine
To when carbon brush and commutator between spark cause, at present for the air conditioner blower that is electrically connected by generic interface, mainly there is two
Kind design scheme inhibits its radiation disturbance：One is to carry out shielding processing to motor using metal shell, reduces motor
Harass energy；Secondly for using brushless motor, cancel commutator, reduces motor and harass energy.
But above-mentioned suppressor mode exists as following drawbacks：One, shielding processing need complete and more closed setting ability
It plays effectiveness, and arrangement and accessory mount etc. of the motor due to harness occupy certain space, and metal shell can be caused right
Motor is completely shielded, and harassing and wrecking energy still can inhibit the effect of harassing and wrecking to be affected by transmission such as gaps；Secondly, due to
Brushless motor is needed using control chip, and cost is higher, and there are crystal oscillators to generate narrowband harassing and wrecking when chip operation, it is still necessary to right
It is inhibited, and chip also needs to carry out the design of the safeguard procedures such as antistatic, reversal connection, adds additional setting for performance test
Between timing.
Invention content
The object of the present invention is to provide a kind of vehicle-mounted air-conditioning blower interface circuit and control systems, from the confession to air blower
Electrical interface is improved, and breaks through the limitation of existing suppressor mode, and radiation disturbance is reduced with this.
The technical solution adopted by the present invention is as follows：
A kind of vehicle-mounted air-conditioning blower interface circuit, including electrode line and negative line, one end of the electrode line and described
One end of negative line is respectively used to be electrically connected for electric connection terminal with blower motor, the other end of the electrode line and the cathode
The other end of line is respectively used to be electrically connected with supply lines, further includes：Radiate restraining device, the radiation restraining device and it is described just
Polar curve and negative line electrical connection.
Optionally, the radiation restraining device includes the first capacitance, the both ends of first capacitance respectively with the anode
Line and negative line electrical connection.
Optionally, the radiation restraining device further includes the first inductance and the second inductance；
The first inductance electricity is serially connected on the electrode line, and the second inductance electricity is serially connected in the negative line.
Optionally, the vehicle-mounted air-conditioning blower interface circuit further includes ground terminal, the ground terminal and the negative line
In equipotential；
The radiation restraining device further includes the second capacitance, the both ends of second capacitance respectively with the electrode line and institute
State ground terminal electrical connection.
Optionally, the radiation restraining device further includes third capacitance, the both ends of the third capacitance respectively with it is described just
Polar curve and negative line electrical connection.
Optionally, the radiation restraining device further includes the 4th capacitance, and the both ends of the 4th capacitance are born with described respectively
Polar curve and ground terminal electrical connection.
Optionally, the negative line and the metal shell of the blower motor are in equipotential.
A kind of vehicle-mounted air-conditioning blower control system, including blower motor, power supply and supply lines, the power supply pass through institute
Being electrically connected for electric connection terminal for supply lines and the blower motor is stated, further includes above-mentioned vehicle-mounted air-conditioning blower interface circuit, institute
It states vehicle-mounted air-conditioning blower interface circuit and is serially connected in the supply lines and described between electric connection terminal.
Optionally, the supply lines is shielding line.
Optionally, the vehicle-mounted air-conditioning blower interface circuit with it is described for electric connection terminal together as one.
The present invention is directed to the blower motor of on-board air conditioner, and proposition is improved the power supply interface of motor, particular by
Setting radiation restraining device is to inhibit electromagnetic disturbance on the power supply interface of motor, it is not necessary that brush motor is changed to brushless electricity
Machine, and the deficiency of metal shell shielding action is compensated for, so as to effectively promote the electromagnetic disturbance performance of blower motor；
In a preferred approach, proposed radiation restraining device of the present invention can select to use conventional component of low cost, easy to implement,
And then cost input can also be efficiently controlled.
Description of the drawings
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step description, wherein：
Fig. 1 is the schematic diagram of the embodiment of vehicle-mounted air-conditioning blower interface circuit provided by the invention；
Fig. 2 is the schematic diagram of another embodiment of vehicle-mounted air-conditioning blower interface circuit provided by the invention；
Fig. 3 is the schematic diagram of the preferred embodiment of vehicle-mounted air-conditioning blower interface circuit provided by the invention；
Fig. 4 is the schematic diagram of the embodiment of vehicle-mounted air-conditioning blower control system provided by the invention.
Reference sign：
1 electrode line, 2 negative line C1 the first capacitance C2 the second capacitance C3 third capacitances
The 4th capacitance L1 the first inductance L2 the second inductance G ground terminal V power supplys of C4
L supply lines M blower motors
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
The present invention provides a kind of embodiments of vehicle-mounted air-conditioning blower interface circuit, as shown in Figure 1, the interface circuit packet
Include electrode line 1 and negative line 2, one end of one end of the electrode line 1 and the negative line 2 is respectively used to the confession with blower motor
Electric connection terminal is electrically connected, and the other end of the other end of the electrode line 1 and the negative line 2 is respectively used to be electrically connected with supply lines
It connects, is shown with blank dot in the end of positive and negative polar curve in figure, and can be understood as upper end and be and blower motor connecting pin, lower end
For with supply lines connecting pin；Wherein further include radiation restraining device, the radiation restraining device and the electrode line 1 and described bears
Polar curve 2 is electrically connected.The present invention is directed to the blower motor of on-board air conditioner, and proposition is improved the power supply interface of motor, specifically
By on the power supply interface of motor be arranged aforementioned radiation restraining device to inhibit electromagnetic disturbance, there is no need to by brush motor more
It is changed to brushless motor, and compensates for the deficiency of metal shell shielding action, to can either effectively promote blower motor
Electromagnetic disturbance performance, and the cost for replacing brushless motor can be removed from, and without additionally pressing down to the radiation of brushless motor
System processing, is greatly saved the design time of performance test.It should be noted that the radiation restraining device for power supply interface is optional
Diversified forms and combination are selected, the present invention provides coherent reference in the following embodiments.
Consider from overall cost and practical operation convenience, the radiation restraining device preferably uses filter capacitor, you can with
The first capacitance in parallel between aforementioned positive electrode line and the negative line filters low frequency according to big capacitance capacitance, and the filter of low-capacitance capacitance is high
The principle of frequency is chosen, thus 474nF or 684nF may be selected in the capacitance of the first capacitance, and by experiment, 684nF effects are better than
474nF capacitances.
In order to further enhance radiation inhibition, the radiation restraining device can also include being serially connected in the electrode line
Upper first inductance and the second inductance for being serially connected in the negative line, the value of two inductance is through overtesting, it is preferred to use 2 μ H, i.e.,
Also inhibit electrode line and the harassing and wrecking energy of negative line respectively by two filter inductances in the program.
On the basis of the above embodiments, the present invention provides another preferred embodiments, as shown in Fig. 2, the vehicle-mounted sky
It further includes ground terminal G to adjust air blower interface circuit, and the ground terminal G is in equipotential with aforementioned negative line 2, needs supplement here
(to be not limited to the present embodiment) in practical operation, negative line 2 can also with the metal shell of the blower motor be in etc. it is electric
Position.Specifically, in the present embodiment, the radiation restraining device include the first capacitance C1 being mentioned above, the first inductance L1 with
And the second inductance L2, and further include the second capacitance C2, the both ends of second capacitance C2 respectively with the electrode line 1 and described connect
Ground terminal G electrical connections that is to say that the first capacitance C1 is grounded by the second capacitance C2, it will be appreciated by persons skilled in the art that the
Two capacitance C2 are ground capacity and preferred capacitance is 0.01 μ F.
In order to further enhance radiation inhibition, on the basis of above-described embodiment, preferably the present invention also provides one
Embodiment, as shown in figure 3, aforementioned radiation restraining device further includes third capacitance C3 and the 4th capacitance in this scenario
The both ends of C4, the third capacitance C3 are electrically connected with the electrode line 1 and the negative line 2 respectively, the 4th capacitance C4's
Both ends are electrically connected with the negative line 2 and the ground terminal G respectively.Synthesis is as it can be seen that third capacitance C3 and aforementioned first capacitance C1
It is all filter capacitor, the 4th capacitance C4 and aforementioned second capacitance C2 is all ground capacity.It is verified by practical operation, third capacitance
C3 optional 4.7 μ F or 2.2 μ F, wherein 2.2 μ F effects are relatively better than 4.7 μ F；And the 4th capacitance C4 then can be with aforementioned second capacitance
C2 is identical, preferably 0.01 μ F.In preferred embodiment shown in Fig. 3, coordinated by filter capacitor, inductance, ground capacity, energy
The common mode interference and DM EMI of blower motor are enough effectively filtered out, ensures that blower motor harassing and wrecking performance disclosure satisfy that electrical equipment
Relevant regulations, such as 18655 grades three of GBT.
Using the various embodiments described above and preferred embodiment, the present invention also provides a kind of vehicle-mounted air-conditioning blower control systems
Embodiment, including blower motor, power supply and supply lines, the power supply that the power supply passes through the supply lines and the blower motor
Terminals be electrically connected, wherein above-mentioned vehicle-mounted air-conditioning blower interface circuit be then serially connected in the supply lines with it is described for electrical connection
Between end.In order to promote radiation disturbance rejection ability, the shielding line for having shielded layer may be used in aforementioned supply lines.It specifically can be with
With reference to shown in figure 4 (dotted line shows a certain embodiment of aforementioned vehicle-mounted air-conditioning blower interface circuit in figure), interface circuit is just
One end of polar curve 1 and one end of negative line 2 be connected to blower motor M on electric connection terminal, the power supply drawn from power supply V
Line L is then connected on 2 other end of the other end and negative line of the electrode line 1 of interface circuit.
Certainly, it will be appreciated by persons skilled in the art that Fig. 4 is only the schematically illustrate of relevant device of the present invention, in reality
In the operation of border, more preferably, aforementioned vehicle-mounted air-conditioning blower interface circuit can be for electric connection terminal collection with the blower motor
One, such as it is integrated in the pcb board for electric connection terminal of blower motor, aforementioned positive electrode line and negative line are to be printed on PCB
Plain conductor, need to explain herein certainly, in other embodiment, positive and negative polar curve can also use conductive collecting bar,
The diversified forms such as plug terminal, winding displacement or binding post embody；It connects above, aforementioned vehicle-mounted air-conditioning blower control system is usually also
May include air-conditioner controller, relay, speed adjusting module and car body controller etc., operation principle is by air-conditioner controller control
The break-make for setting the relay on supply lines L is set up, controlling blower motor with this obtains electric dead electricity, and air volume signal feeds back to vehicle
Body controller sends speed-regulating instruction to speed adjusting module after being handled by car body controller, speed adjusting module, can according to the instruction received
Switch different resistance values, controlling blower motor with this changes rotating speed.
Be described in detail based on the embodiments shown in the drawings the present invention structure, feature and effect, but more than
Described is only presently preferred embodiments of the present invention, needs to explain, and the technology involved by above-described embodiment and its preferred embodiment is special
Sign, those skilled in the art can be under the premise of not departing from, not changing the mentality of designing and technique effect of the present invention, rationally
Ground combination collocation is at a variety of equivalent schemes；Therefore, the present invention is every according to the present invention's not to limit practical range shown in drawing
Change made by conception, or be revised as the equivalent embodiment of equivalent variations, does not go beyond the spirit of the description and the drawings
When, it should all be within the scope of the present invention.
Claims (10)
1. a kind of vehicle-mounted air-conditioning blower interface circuit, including electrode line and negative line, one end of the electrode line and described negative
One end of polar curve is respectively used to be electrically connected for electric connection terminal with blower motor, the other end of the electrode line and the negative line
The other end be respectively used to be electrically connected with supply lines, which is characterized in that further include：Restraining device is radiated, the radiation inhibits dress
It sets and is electrically connected with the electrode line and the negative line.
2. vehicle-mounted air-conditioning blower interface circuit according to claim 1, which is characterized in that the radiation restraining device packet
The first capacitance is included, the both ends of first capacitance are electrically connected with the electrode line and the negative line respectively.
3. vehicle-mounted air-conditioning blower interface circuit according to claim 2, which is characterized in that the radiation restraining device is also
Including the first inductance and the second inductance；
The first inductance electricity is serially connected on the electrode line, and the second inductance electricity is serially connected in the negative line.
4. vehicle-mounted air-conditioning blower interface circuit according to claim 3, which is characterized in that the vehicle-mounted air-conditioning blower
Interface circuit further includes ground terminal, and the ground terminal is in equipotential with the negative line；
The radiation restraining device further includes the second capacitance, the both ends of second capacitance respectively with the electrode line and described connect
Ground terminal is electrically connected.
5. vehicle-mounted air-conditioning blower interface circuit according to claim 4, which is characterized in that the radiation restraining device is also
Including third capacitance, the both ends of the third capacitance are electrically connected with the electrode line and the negative line respectively.
6. vehicle-mounted air-conditioning blower interface circuit according to claim 5, which is characterized in that the radiation restraining device is also
Including the 4th capacitance, the both ends of the 4th capacitance are electrically connected with the negative line and the ground terminal respectively.
7. according to claim 1~6 any one of them vehicle-mounted air-conditioning blower interface circuit, which is characterized in that the cathode
The metal shell of line and the blower motor is in equipotential.
8. a kind of vehicle-mounted air-conditioning blower control system, including blower motor, power supply and supply lines, the power supply passes through described
Supply lines is electrically connected with the blower motor for electric connection terminal, which is characterized in that further includes any one of claim 1~7 institute
The vehicle-mounted air-conditioning blower interface circuit stated, the vehicle-mounted air-conditioning blower interface circuit are serially connected in the supply lines and the confession
Between electric connection terminal.
9. vehicle-mounted air-conditioning blower control system according to claim 8, which is characterized in that the supply lines is shielding
Line.
10. vehicle-mounted air-conditioning blower control system according to claim 8, which is characterized in that the on-board air conditioner air blast
Machine interface circuit with it is described for electric connection terminal together as one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491910.2A CN108667223A (en) | 2018-05-21 | 2018-05-21 | Vehicle-mounted air-conditioning blower interface circuit and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491910.2A CN108667223A (en) | 2018-05-21 | 2018-05-21 | Vehicle-mounted air-conditioning blower interface circuit and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108667223A true CN108667223A (en) | 2018-10-16 |
Family
ID=63777313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810491910.2A Pending CN108667223A (en) | 2018-05-21 | 2018-05-21 | Vehicle-mounted air-conditioning blower interface circuit and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108667223A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938568Y (en) * | 2006-02-09 | 2007-08-22 | 浙江科锋汽车电器有限公司 | Electromagnetic compatible anti-interference device of vehicle permanent magnetic DC motor |
| CN203485707U (en) * | 2013-08-26 | 2014-03-19 | 博耐尔汽车电气***有限公司 | Circuit structure of automobile air-conditioner blower |
-
2018
- 2018-05-21 CN CN201810491910.2A patent/CN108667223A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938568Y (en) * | 2006-02-09 | 2007-08-22 | 浙江科锋汽车电器有限公司 | Electromagnetic compatible anti-interference device of vehicle permanent magnetic DC motor |
| CN203485707U (en) * | 2013-08-26 | 2014-03-19 | 博耐尔汽车电气***有限公司 | Circuit structure of automobile air-conditioner blower |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |