CN111684698A - Switching power supply of electric automobile and on-vehicle air conditioner compressor - Google Patents
Switching power supply of electric automobile and on-vehicle air conditioner compressor Download PDFInfo
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- CN111684698A CN111684698A CN201880087347.0A CN201880087347A CN111684698A CN 111684698 A CN111684698 A CN 111684698A CN 201880087347 A CN201880087347 A CN 201880087347A CN 111684698 A CN111684698 A CN 111684698A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
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Abstract
A switching power supply of an electric automobile and an on-vehicle air conditioner compressor, the switching power supply comprising: a primary side (11) electrically connected to the vehicle-mounted power supply (10) and configured to obtain an input voltage from the vehicle-mounted power supply; the secondary side (12) is used for controlling the vehicle-mounted air conditioner compressor to work and comprises a first output end (121), a second output end (122) and a third output end (123); and the feedback control circuit (13) is used for acquiring the voltage sampling signal from any one of the output ends and adjusting the output voltages of the first output end, the second output end and the third output end according to the voltage sampling signal. The number of the output ends of the secondary side and the output voltage correspond to the control requirements of the vehicle-mounted air-conditioning compressor, the requirements of specific occasions are met, the feedback control circuit is connected with the output ends of the secondary side to monitor and adjust the output voltage of the secondary side, and the working stability of the vehicle-mounted air-conditioning compressor is improved.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the field of drivers, in particular to a switching power supply of an electric automobile and a vehicle-mounted air conditioner compressor.
[ background of the invention ]
The switching power supply of the air conditioner compressor of the new energy electric automobile is an important unit module for ensuring the normal work of the air conditioner compressor of the new energy electric automobile, and if the output voltage of the switching power supply of the air conditioner compressor of the new energy electric automobile fluctuates greatly, the air conditioner compressor of the new energy electric automobile can not work normally. Therefore, the switching power supply is required to provide reliable and stable voltage output for the control unit of the air conditioner compressor of the new energy electric vehicle, and also to provide reliable and stable voltage output for the driving inverter unit of the air conditioner compressor of the new energy electric vehicle.
However, in the prior art, the switching power supply of the air conditioner compressor of the new energy electric vehicle adopts a single power supply IC chip, which has the disadvantages of high cost and difficult layout, and the power supply architecture of the whole system lacks global voltage stability monitoring, so that the reliability of the whole system has hidden troubles. In addition, the conventional switching power supply often has the following problems in specific occasions: the problems that the number of output circuits is large or small, the output voltage values are not matched, the output current capacity is too weak to meet the application requirements, the output current capacity is too large, the power consumption is large and the like are solved by a set of switching power supply aiming at specific application occasions.
[ summary of the invention ]
The main technical problem who solves of this application provides a switching power supply and electric automobile of on-vehicle air condition compressor, can reduction in production cost, satisfies the demand of specific occasion to reduce external electromagnetic interference.
For solving the technical problem, the application provides a switching power supply of on-vehicle air conditioner compressor, and this switching power supply includes: the primary side is electrically connected with the vehicle-mounted power supply and acquires input voltage from the vehicle-mounted power supply; the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises a first output end, a second output end and a third output end, wherein the first output end is electrically connected with a control unit of the vehicle-mounted air-conditioning compressor, and the second output end and the third output end are electrically connected with a power unit of the vehicle-mounted air-conditioning compressor; the feedback control circuit is respectively electrically connected with any one of the first output end, the second output end and the third output end and the primary side, and is used for acquiring a voltage sampling signal from any one of the output ends and adjusting the output voltages of the first output end, the second output end and the third output end according to the voltage sampling signal.
In order to solve the technical problem, the application also provides an electric automobile which comprises a vehicle-mounted power supply and a vehicle-mounted air conditioner compressor, wherein the vehicle-mounted air conditioner compressor is provided with a switching power supply; the switching power supply includes: the primary side is electrically connected with the vehicle-mounted power supply and acquires input voltage from the vehicle-mounted power supply; the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises a first output end, a second output end and a third output end, wherein the first output end is electrically connected with a control unit of the vehicle-mounted air-conditioning compressor, and the second output end and the third output end are electrically connected with a power unit of the vehicle-mounted air-conditioning compressor; the feedback control circuit is respectively electrically connected with any one of the first output end, the second output end and the third output end and the primary side, and is used for acquiring a voltage sampling signal from any one of the output ends and adjusting the output voltages of the first output end, the second output end and the third output end according to the voltage sampling signal.
In order to solve the above technical problem, the present application further provides a switching power supply of an on-vehicle air conditioner compressor, the switching power supply includes: the primary side is electrically connected with the vehicle-mounted power supply and acquires input voltage from the vehicle-mounted power supply; the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises at least one output end, and the output end is electrically connected with the vehicle-mounted air-conditioning compressor; and the feedback control circuit is electrically connected with the output end and the primary side and is used for acquiring a voltage sampling signal from the output end and adjusting the output voltage of the output end according to the voltage sampling signal.
In order to solve the technical problem, the application further provides an electric vehicle, which comprises a vehicle-mounted power supply and a vehicle-mounted air conditioner compressor, wherein the vehicle-mounted air conditioner compressor is provided with a switching power supply; the switching power supply includes: the primary side is electrically connected with the vehicle-mounted power supply and acquires input voltage from the vehicle-mounted power supply; the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises at least one output end, and the output end is electrically connected with the vehicle-mounted air-conditioning compressor; and the feedback control circuit is electrically connected with the output end and the primary side and is used for acquiring a voltage sampling signal from the output end and adjusting the output voltage of the output end according to the voltage sampling signal.
The beneficial effect of this application is: the switching power supply comprises a first output end of a secondary side, a second output end, a third output end, a power unit, a feedback control circuit and a control unit, wherein the first output end of the secondary side is electrically connected with the control unit of the vehicle-mounted air-conditioning compressor, the second output end and the third output end are electrically connected with the power unit of the vehicle-mounted air-conditioning compressor, the number of the output ends of the secondary side and the output voltage of the secondary side correspond to the control requirements of the vehicle-mounted air-conditioning compressor, the requirements of specific occasions are met, the feedback control circuit is connected with the output end of the secondary side to monitor and adjust the output voltage of.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of an embodiment of a switching power supply of a vehicle air conditioner compressor according to the present application;
FIG. 2 is a schematic diagram of another embodiment of the switching power supply of FIG. 1;
FIG. 3 is a schematic structural diagram of an embodiment of coils on the primary side and the secondary side of the switching power supply of the vehicle air conditioner compressor according to the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a mounting bracket of the switching power supply of fig. 3;
FIG. 5 is a schematic structural diagram of an embodiment of an electric vehicle according to the present application;
FIG. 6 is a schematic structural diagram of another embodiment of a switching power supply of an air conditioner compressor according to the present application;
FIG. 7 is a schematic structural diagram of another embodiment of an electric vehicle according to the present application.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application belong to the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a switching power supply of a vehicle air conditioner compressor according to the present application.
In the present embodiment, the switching power supply of the in-vehicle air conditioner compressor includes a primary side 11, a secondary side 12, and a feedback control circuit 13. The secondary side 12 includes a first output terminal 121, a second output terminal 122, and a third output terminal 123.
An input terminal (not shown) of the primary side 11 is electrically connected to the vehicle-mounted power supply 10, and the current input from the input terminal of the primary side 11 to the vehicle-mounted power supply 10 is dc power and has a voltage of 12V. In other embodiments, the current transmitted by the vehicle-mounted power supply 10 may be an alternating current or a voltage, and may not be only 12V, but also the switching power supply may control the vehicle-mounted air conditioner compressor according to the current transmitted by the vehicle-mounted power supply 10, and the current is not limited herein.
The primary side 11 acquires a voltage transmitted from the in-vehicle power supply 10 and transmits the voltage to the secondary side 12. The primary side 11 and the secondary side 12 are both wound as coils, and the primary side 11 transmits energy to the secondary side 12 in an electromagnetic induction manner. The secondary side 12 is used for controlling the operation of the vehicle-mounted air-conditioning compressor, wherein a first output end 121 of the secondary side 12 is electrically connected with a control unit 15 for controlling the vehicle-mounted air-conditioning compressor, and is used for controlling the normal operation of the control unit 15 for controlling the vehicle-mounted air-conditioning compressor. The second output end 122 and the third output end 123 are electrically connected to the power unit 14 of the vehicle air conditioner compressor, so as to control a power driving unit (not shown) of the vehicle air conditioner compressor to normally drive the vehicle air conditioner compressor to operate.
In the present embodiment, the primary side 11 and the secondary side 12 are not directly connected, and the primary side 11 and the secondary side 12 transmit electric power by means of electromagnetic induction. In other embodiments, the primary side 11 may also transmit power to the secondary side 12 through microwave transmission, photoelectric transmission, other electromagnetic resonance, electromagnetic radiation, and the like, which are not described herein. It can be understood that, in different power transmission modes, the voltages of the output terminals of the secondary side 12 have a certain functional relationship, for example, when the primary side 11 and the secondary side 12 transmit power by electromagnetic induction, the ratio between the voltages of the output terminals of the secondary side 12 is the ratio between the number of turns of the coil of each output terminal.
In order to ensure that the voltage output from the secondary side 12 is stable and normal, a feedback control circuit 13 is also provided in the switching power supply. The feedback control circuit 13 is electrically connected to an input terminal of the primary side 11 and an output terminal of the vehicle-mounted power supply 10, respectively, the primary side 11 forms a loop with the vehicle-mounted power supply 10 through the feedback control circuit 13, and the feedback control circuit 13 is further electrically connected to the first output terminal 121. The feedback control circuit 13 obtains a voltage sampling signal from a first output end 121 electrically connected to the feedback control circuit, and determines whether the voltage output by the secondary side 12 is a voltage capable of controlling the normal operation of the vehicle-mounted air conditioning compressor according to the voltage sampling signal, if not, the voltage input to the primary side 11 is adjusted according to the voltage sampling signal, and then the secondary side 12 is controlled to output a stable and normal voltage, so that the vehicle-mounted air conditioning compressor operates normally.
In the above embodiment, the feedback control circuit 13 may further be electrically connected to the second output end 122 or the third output end 123, and acquire a voltage sampling signal of the second output end 122 or the third output end 123 to determine whether the output voltage of the secondary side 12 can control the vehicle air conditioner compressor to normally operate, which is not limited herein.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another embodiment of the switching power supply of fig. 1.
In the present embodiment, the switching power supply of the in-vehicle air conditioner compressor includes a primary side 11, a secondary side 12, and a feedback control circuit 13. The secondary side 12 includes a first output terminal 121, a second output terminal 122, and a third output terminal 123.
An input terminal (not shown) of the primary side 11 is electrically connected to the vehicle-mounted power supply 10, and the current input from the input terminal of the primary side 11 to the vehicle-mounted power supply 10 is dc power and has a voltage of 12V. In other embodiments, the current transmitted by the vehicle-mounted power supply 10 may be an alternating current or a voltage, or may not be 12V, and the switching power supply may be configured to control the vehicle-mounted air conditioner compressor according to the current transmitted by the vehicle-mounted power supply 10, which is not limited herein.
The primary side 11 acquires a voltage transmitted from the in-vehicle power supply 10 and transmits the voltage to the secondary side 12. The primary side 11 and the secondary side 12 are both wound as coils, and the primary side 11 transmits energy to the secondary side 12 in an electromagnetic induction manner. The secondary side 12 is used for controlling the operation of the vehicle-mounted air-conditioning compressor, wherein a first output end 121 of the secondary side 12 is electrically connected with a control unit 15 for controlling the vehicle-mounted air-conditioning compressor, and is used for controlling the normal operation of the control unit 15 for controlling the vehicle-mounted air-conditioning compressor. The second output end 122 and the third output end 123 are electrically connected to the power unit 14 of the vehicle air conditioner compressor, so as to control a power driving unit (not shown) of the vehicle air conditioner compressor to normally drive the vehicle air conditioner compressor to operate.
In the present embodiment, the primary side 11 and the secondary side 12 are not directly connected, and the primary side 11 and the secondary side 12 transmit electric power by means of electromagnetic induction. In other embodiments, the primary side 11 may also transmit power to the secondary side 12 through microwave transmission, photoelectric transmission, other electromagnetic resonance, electromagnetic radiation, and the like, which are not described herein.
In the present embodiment, in order to obtain a stable voltage at the primary side 11 and protect the circuit, a capacitor 21 and an RCD (Residual current device) absorption circuit 22 are further provided in the switching power supply. The input terminal of the primary side 11 is electrically connected to the in-vehicle power supply 10 via a capacitor 21 and an RCD absorption circuit 22. The capacitor 21 is electrically connected to the in-vehicle power supply 10, the capacitor 21 is used for filtering the voltage transmitted from the in-vehicle power supply 10, the voltage transmitted from the in-vehicle power supply 10 is filtered by the capacitor 21 and then transmitted to the RCD snubber circuit 22 electrically connected to the capacitor 21, and the RCD snubber circuit 22 further transmits the voltage transmitted from the capacitor 21 to the primary side 11 electrically connected to the RCD snubber circuit 22. The RCD snubber circuit 22 is used in the switching power supply to protect a PWM (pulse width Modulation) switching tube on the switching power supply and reduce turn-off loss.
In the present embodiment, in order to ensure that the voltage output from the secondary side 12 is stable and normal, a feedback control circuit 13 is further provided in the switching power supply. The feedback control circuit 13 includes a PWM pulse control circuit 131, an optical isolator 132, and a voltage acquisition circuit 133, wherein an output terminal of the RCD absorption circuit 22 is electrically connected to the PWM pulse control circuit 131, an input terminal of the primary side 11 is electrically connected to an output terminal of the RCD absorption circuit 22 through the PWM pulse control circuit 131, and the primary side 11 forms a complete loop with the RCD absorption circuit 22 through the PWM pulse control circuit 131.
In the above embodiment, the voltage collecting circuit 133 may further be electrically connected to the second output terminal 122 or the third output terminal 123, and obtain a voltage sampling signal of the second output terminal 122 or the third output terminal 123 to determine whether the output voltage of the secondary side 12 can control the vehicle-mounted air conditioner compressor to normally operate, which is not limited herein.
In the above embodiment, the optical coupler isolator 132 is configured to transmit the voltage sampling signal collected by the voltage collecting circuit 133 in a single direction, and completely electrically isolate the voltage collecting circuit 133 and the PWM pulse control circuit 131 at two ends of the optical coupler isolator 132, so as to reduce signal interference.
In the above embodiment, the voltage acquisition circuit is composed of a TL431 chip, and in other embodiments, the voltage acquisition circuit may also be composed of other circuits capable of implementing a voltage signal acquisition function, which is not described herein again.
In the present embodiment, the first output terminal 121 of the secondary side 12 is independently grounded, and the second output terminal 122 and the third output terminal 123 share a common ground terminal. The voltage of the third output terminal 123 may be different from the voltage of the second output terminal 122 or the first output terminal 121.
In other embodiments, the secondary side 12 may further have one or more output terminals, the voltages output by these output terminals may be the same or different, and the output terminals may have a common ground terminal or may not have a common ground terminal, so long as the output terminals of the secondary side 12 can be connected to the control unit 15 and the power unit 14 of the vehicle-mounted air-conditioning compressor and control the vehicle-mounted air-conditioning compressor to operate, which is not limited herein.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of primary and secondary coils of a switching power supply of the vehicle air conditioner compressor according to the present application, and the switching power supply of the vehicle air conditioner compressor according to the present application is further described in detail with reference to fig. 3.
The first output terminal 121, the second output terminal 122 and the third output terminal 123 of the primary side 11 and the secondary side 12 are all wound in a coil shape. In fig. 3, the first output terminal 121, the second output terminal 122, and the third output terminal 123 are shown as the cross section of the wound copper wire on the coil. The coils formed by winding the primary side 11 and the secondary side 12 are disposed in the stack 15, and the stack 15 has three, and the first output terminal 121, the second output terminal 122, and the third output terminal 123 of the primary side 11 and the secondary side 12 are disposed in the three stacks 15, respectively. The primary side 11 is individually located in one stack 15, the first output terminal 121 is located in the stack 15 close to the primary side 11, the second output terminal 122 and the third output terminal 123 are both disposed in the stack 15 close to the first output terminal 121 and far from the primary side 11, and adjacent stacks 15 are insulated from each other.
In the present embodiment, adjacent stacked layers 15 are insulated and separated by an insulating tape. In other embodiments, the stacked layers 15 may be made of quartz, asbestos, polyester paint, polyimide, or other materials that prevent electrical conduction between the coils in adjacent stacked layers 15, which is not limited herein.
In this embodiment, the wire diameter of each coil corresponds to the maximum current passing through the coil. Wherein the primary side 11, which is solely located in one stack 15, is wound with copper wire, the diameter of which is 0.5 mm. The first output terminal 121 in the stack 15 close to the primary side 11 has an output voltage of 5V and a maximum output current of 150mA, and is wound with a copper wire having a diameter of 0.5 mm. The second output terminal 122 in the stack 15 away from the primary side 11 has an output voltage of-5V and a maximum output current of 50mA, and is wound with a copper wire having a diameter of 0.3 mm. The output voltage of the third output terminal 123, which is located in the same lamination 15 as the second output terminal 122, is 15V, the maximum output current is 150mA, and the third output terminal is wound by using a copper wire, wherein the diameter of the copper wire is 0.5 mm.
In the above embodiment, the winding method of the coils of the primary side 11 and the secondary side 12 is freely set, and the diameter of the copper wire for winding the coils may not be the data, but only the primary side 11 can transmit energy to the secondary side 12, and the output is output through the first output end 121, the second output end 122 and the third output end 123 of the secondary side 12 to control the normal operation of the vehicle-mounted air-conditioning compressor, which is not limited herein.
The stack 15 for arranging the coils of the primary side 11 and the secondary side 12 is accommodated in a space formed by a mounting frame (not shown) (the space in fig. 2 is a part of the space formed by the mounting frame), and in order to increase the creepage distance between the stacks 15 and ensure the normal operation of the switching power supply, an insulating wall 14 is arranged on a side surface of the mounting frame 16 close to the stack 15, and the side surface 16 and the insulating wall 14 are perpendicular to the stack 15.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of a mounting rack of the switching power supply of fig. 3. The mounting frame structure of the present application is further described in conjunction with fig. 4 and 3.
In the present embodiment, the mounting frame has a rectangular structure, and the stack 15, the insulating wall 14, the primary side 11, and the secondary side 12 are located in the rectangular structure. The side 16 near the insulating wall 14 is provided with pins 30, the pins 30 include pins 301, 302, 303, 304, 305, 306, 307, 308, 309 and 310, and the primary side 11 and the secondary side 12 are electrically connected to a printed circuit board (not shown) through the pins 30 and further soldered to the printed circuit board through the pins 30. The side 16 where the pins 301, 302, 303, 304, 305 are located is opposite to the side 16 where the pins 306, 307, 308, 309, 310 are located.
In the present embodiment, the pins 301 and 305 electrically connected to the primary side 11 and the pins 306, 307, 308, 309 and 310 electrically connected to the secondary side 12 are located on different sides 16. The pins 301 and 305 are electrically connected to a 12V input terminal and a 12V ground terminal of the primary side 11, the pins 306 and 307 are electrically connected to a 5V output and a 5V ground terminal of the first output terminal 121, the pin 308 is electrically connected to a-5V output of the second output terminal 122, the pin 309 is a common ground of the second output terminal 122 and the third output terminal 123, and the pin 310 is electrically connected to a 15V output of the third output terminal 123.
In other embodiments, the connection method between the input terminal of the primary side 11 and the output of the secondary side 12 and the pin 30 is not limited to the above connection method, and the primary side 11 and the secondary side 12 may be electrically connected to the printed circuit board through the pin 30 on the mounting frame, which is not limited herein.
In the above embodiment, in order to reduce the layout area of the printed circuit board and reduce the external electromagnetic interference, the pins 30 are located on the opposite sides 16, the distance between the pins 30 opposite to each other is 10mm, the pins are located on the same side 16, and the distance between the adjacent pins 30 is 2.5 mm. The side edge 16 has a maximum length perpendicular to the direction of the stack 15 of 14mm, and is located on the opposite side edge 16, and the farthest distance between the sides away from the insulating banks 14 is 13.7 mm.
In the above embodiment, the distance between the adjacent pins 30 on the side 16 may not be 2.5mm, and the pins 30 may not be 10mm, and the distance between the pins 30 opposite to each other may also not be 10 mm.
The beneficial effect of this application is: the switching power supply is characterized in that a first output end of a secondary side is electrically connected with a control unit of the vehicle-mounted air-conditioning compressor, a second output end and a third output end are electrically connected with a power unit of the vehicle-mounted air-conditioning compressor, the number of the output ends of the secondary side and the output voltage of the secondary side correspond to the control requirements of the vehicle-mounted air-conditioning compressor, the requirements of specific occasions are met, a feedback control circuit is connected with the output end of the secondary side to monitor and adjust the output voltage of the secondary side, and the working stability of the vehicle-mounted air-conditioning compressor is improved.
Based on the same inventive concept, the application also provides an electric automobile.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of an electric vehicle according to the present application, where the electric vehicle 50 includes a vehicle-mounted power supply 51, a vehicle-mounted air-conditioning compressor 53, and a switching power supply 52, where the switching power supply 52 is electrically connected to the vehicle-mounted power supply 51 and the vehicle-mounted air-conditioning compressor 53, respectively, and the switching power supply 52 is used for controlling the vehicle-mounted air-conditioning compressor 53 to operate.
In the present embodiment, the electric vehicle 50 may be a vehicle having an onboard power supply 51 and an onboard air conditioning compressor 53, such as a pure electric vehicle, a hybrid vehicle, or a fuel cell vehicle, and is not limited thereto.
In the present embodiment, the in-vehicle power supply 51 is a dc power supply and has a voltage of 12V, but in other embodiments, the type of power supply and the magnitude of voltage of the in-vehicle power supply 51 may be set according to the type of the electric vehicle 50, and are not limited thereto.
In this embodiment, the vehicle-mounted air conditioner compressor 53 may be a fixed displacement compressor or a variable displacement compressor, and only needs to be able to control the operation thereof through the switching power supply 52, which is not described herein.
The switching power supply 52 includes the switching power supply of the vehicle air conditioner compressor as described above, and will not be described in detail.
The beneficial effect of this application is: the electric automobile is different from the prior art, the first output end of the secondary side is electrically connected with the control unit of the vehicle-mounted air-conditioning compressor, the second output end and the third output end are electrically connected with the power unit of the vehicle-mounted air-conditioning compressor, the number of the output ends of the secondary side and the output voltage of the secondary side correspond to the control requirement of the vehicle-mounted air-conditioning compressor, the requirement of a specific occasion is met, the feedback control circuit is connected with the output end of the secondary side to monitor and adjust the output voltage of the secondary side, and the working stability of the vehicle-mounted air-conditioning compressor is improved.
Based on the same inventive concept, the application also provides a switching power supply of the vehicle-mounted air conditioner compressor. Referring to fig. 6, fig. 6 is a schematic structural diagram of another embodiment of a switching power supply of an air conditioner compressor according to the present application.
In the present embodiment, the switching power supply (not shown) includes an on-board power supply 60, a primary side 61, a secondary side 62, a feedback control circuit 63, and an on-board air conditioner compressor 64. Wherein an input terminal (not shown) of the primary side 61 is electrically connected to an output terminal (not shown) of the vehicle-mounted power supply 60, and the primary side 61 obtains an input voltage from the vehicle-mounted power supply 60. The on-vehicle power supply 60 receives a current of the primary side 61 from an input terminal of the primary side 61 as a direct current and has a voltage of 12V.
In other embodiments, the current transmitted by the vehicle-mounted power supply 60 to the primary side 61 may be an alternating current or a voltage, and the magnitude of the voltage may not be 12V, but the switching power supply may control the vehicle-mounted air conditioner compressor 64 according to the current transmitted by the vehicle-mounted power supply 60, and the invention is not limited thereto.
The secondary side 62 is opposed to the primary side 61, and obtains an induced voltage from the primary side 61 by electromagnetic induction. An output terminal (not shown) of the secondary side 62 is electrically connected to the on-board air conditioning compressor 64, so that the on-board air conditioning compressor is controlled to be turned on, turned off and normally operated by the voltage obtained from the primary side 61 through the secondary side 62.
In this embodiment, the secondary side 62 has an output electrically connected to an on-board air conditioning compressor 64. In other embodiments, the secondary side 62 may further have a plurality of output terminals, the voltages output by the output terminals may be the same or different, and may also have a common ground terminal or not, and only the output terminal of the secondary side 62 can be electrically connected to the on-board air conditioning compressor 64 and control the on-board air conditioning compressor 64 to operate, which is not limited herein.
In the present embodiment, one end of the feedback control circuit 63 is electrically connected to one end of the input terminal of the primary side 61, and the input terminal of the primary side 61 is electrically connected to the vehicle-mounted power supply 60 through the feedback control circuit 63 to form a complete loop. The other end of the feedback control circuit 63 is electrically connected to one end of an output terminal of the secondary side 62. The feedback control circuit 63 obtains a voltage sampling signal from an output end of the secondary side 62, and adjusts an input voltage of an input end of the primary side 61 according to the voltage sampling signal, so as to adjust an output voltage of the secondary side 62, and further control the vehicle-mounted air conditioner compressor 64 to work.
The switching power supply of this embodiment includes the switching power supply of the vehicle-mounted air conditioner compressor as described above, and details thereof are not described herein.
The beneficial effect of this application is: being different from prior art's condition, this application provides a switching power supply of vehicle air conditioner compressor, is connected an output and the vehicle air conditioner compressor electricity of secondary side, is connected the output with the control circuit and secondary side with the control and adjust secondary side output voltage, has improved vehicle air conditioner compressor's job stabilization nature.
Based on the same inventive concept, the present application further provides an electric vehicle, please refer to fig. 7, and fig. 7 is a schematic structural diagram of another embodiment of the electric vehicle according to the present application.
The electric vehicle 70 comprises a vehicle-mounted power supply 71, a vehicle-mounted air-conditioning compressor 73 and a switching power supply 72, wherein the switching power supply 72 is electrically connected with the vehicle-mounted power supply 71 and the vehicle-mounted air-conditioning compressor 73 respectively, and the switching power supply 72 is used for controlling the vehicle-mounted air-conditioning compressor 73 to work.
In the present embodiment, the electric vehicle 70 may be a vehicle having an onboard power supply 71 and an onboard air conditioning compressor 73, such as a pure electric vehicle, a hybrid vehicle, and a fuel cell vehicle, and is not limited herein.
In the present embodiment, the in-vehicle power supply 71 is a dc power supply and the voltage is 12V, but in other embodiments, the type of the power supply and the magnitude of the voltage of the in-vehicle power supply 71 may be set according to the type of the electric vehicle 70, and the present invention is not limited thereto.
In this embodiment, the vehicle-mounted air conditioner compressor 73 may be a fixed displacement compressor or a variable displacement compressor, and only needs to be able to control the operation thereof through the switching power supply 72, which is not described herein.
The switching power supply 72 includes the switching power supply of the vehicle air conditioner compressor as described above, and will not be described in detail.
The beneficial effect of this application is: being different from the condition of prior art, this application provides an electric automobile, is connected an output and the on-vehicle air condition compressor electricity of secondary side, is connected the output with the secondary side with feedback control circuit and secondary side and adjusts secondary side output voltage, has improved on-vehicle air condition compressor's job stabilization nature.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (26)
- A switching power supply of an on-vehicle air conditioner compressor, characterized in that, the switching power supply includes:a primary side electrically connected to a vehicle power supply, the primary side obtaining an input voltage from the vehicle power supply;the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises a first output end, a second output end and a third output end, wherein the first output end is electrically connected with a control unit of the vehicle-mounted air-conditioning compressor, and the second output end and the third output end are electrically connected with a power unit of the vehicle-mounted air-conditioning compressor;the feedback control circuit is respectively electrically connected with any one of the first output end, the second output end and the third output end and the primary side, and is used for acquiring a voltage sampling signal from any one of the output ends and adjusting the output voltages of the first output end, the second output end and the third output end according to the voltage sampling signal.
- The switching power supply according to claim 1, further comprising:the capacitor is electrically connected with the vehicle-mounted power supply and is used for filtering the voltage transmitted by the vehicle-mounted power supply;the RCD absorption circuit is electrically connected with the primary side, the capacitor is electrically connected with the RCD absorption circuit, the RCD absorption circuit transmits the voltage subjected to filtering processing by the capacitor to the primary side, and the vehicle-mounted power supply transmits the voltage to the primary side through the capacitor and the RCD absorption circuit.
- The switching power supply according to claim 2, wherein the feedback control circuit comprises a PWM pulse control circuit, an optical isolator, and a voltage acquisition circuit, one output terminal of the RCD absorption circuit is electrically connected to the PWM pulse control circuit, one input terminal of the primary side is electrically connected to one output terminal of the RCD absorption circuit through the PWM pulse control circuit, and the PWM pulse control circuit is electrically connected to one output terminal of the secondary side through the optical isolator and the voltage acquisition circuit in sequence.
- The switching power supply according to claim 3, wherein the feedback control circuit is configured to obtain a voltage sampling signal from any one of the output terminals, and adjust the output voltages of the first output terminal, the second output terminal, and the third output terminal according to the voltage sampling signal, and comprises:the feedback control circuit acquires a voltage sampling signal from any output end positioned on the secondary side through the voltage acquisition circuit, the voltage acquisition circuit transmits the acquired voltage sampling signal to the optical coupling isolator, the optical coupling isolator receives the voltage sampling signal and converts the voltage sampling signal into an optical signal, the optical signal is converted into an electrical signal and transmits the electrical signal to the PWM pulse control circuit for processing, the PWM pulse control circuit acquires the output voltage of the output end according to the acquired voltage sampling signal, further acquires the output voltages of other output ends according to the voltage relation among the first output end, the second output end and the third output end, and judges whether the output voltage of the secondary side can control the normal work of the vehicle-mounted air conditioner compressor or not through the output voltages of the first output end, the second output end and the third output end, if not, the PWM pulse control circuit adjusts the input voltage of the input end of the primary side to change the output voltage of the secondary side.
- The switching power supply according to claim 1, wherein the first output terminal is independently grounded, and the second output terminal and the third output terminal have the same ground terminal.
- The switching power supply according to claim 1, wherein the first output terminal voltage is 5V and the maximum output current is 150mA, the second output terminal voltage is-5V and the maximum output current is 50mA, the third output terminal voltage is 15V and the maximum output current is 150 mA.
- The switching power supply according to claim 1, wherein the first output terminal, the second output terminal, and the third output terminal of the primary side and the secondary side are respectively wound in a coil shape, and a winding wire diameter of the coil corresponds to a maximum current passing through the coil.
- The switching power supply of claim 7 wherein the coils wound on the primary side and the secondary side are stacked in three layers, the primary side is located in a single stack, the first output terminal is located in a stack adjacent to the primary side, the second output terminal and the third output terminal are located in a stack remote from the primary side, and the stacks are insulated from each other.
- The switching power supply according to claim 8, wherein the stack is accommodated in a space formed by the mounting frame, and the side of the mounting frame adjacent to the side of the stack is provided with an insulating wall, the side and the insulating wall are perpendicular to the stack, and the insulating wall is used for increasing creepage distance between the stacks.
- The switching power supply according to claim 9, wherein the mounting frame has a rectangular structure, and a pin is disposed on a side of the mounting frame close to the insulating wall, and the primary side and the secondary side are electrically connected to the circuit board through the pin.
- The switching power supply of claim 10 wherein the pin electrically connected to the primary side input terminal and the pin electrically connected to the secondary side output terminal are located on different sides.
- The switching power supply according to claim 10, wherein the distance between the pins located on different sides and facing each other is 10mm, and the distance between the adjacent pins on the sides is 2.5 mm.
- The electric automobile is characterized by comprising a vehicle-mounted power supply and a vehicle-mounted air-conditioning compressor, wherein the vehicle-mounted air-conditioning compressor is provided with a switching power supply;the switching power supply includes:a primary side electrically connected to the vehicle power supply, the primary side obtaining an input voltage from the vehicle power supply;the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises a first output end, a second output end and a third output end, wherein the first output end is electrically connected with a control unit of the vehicle-mounted air-conditioning compressor, and the second output end and the third output end are electrically connected with a power unit of the vehicle-mounted air-conditioning compressor;the feedback control circuit is respectively electrically connected with any one of the first output end, the second output end and the third output end and the primary side, and is used for acquiring a voltage sampling signal from any one of the output ends and adjusting the output voltages of the first output end, the second output end and the third output end according to the voltage sampling signal.
- The electric vehicle according to claim 13, wherein the switching power supply further comprises:the capacitor is electrically connected with the vehicle-mounted power supply and is used for filtering the voltage transmitted by the vehicle-mounted power supply;the RCD absorption circuit is electrically connected with the primary side, the capacitor is electrically connected with the RCD absorption circuit, the RCD absorption circuit transmits the voltage subjected to filtering processing by the capacitor to the primary side, the RCD absorption circuit is used for protecting the PWM switching tube and reducing turn-off loss, and the vehicle-mounted power supply transmits the voltage to the primary side through the capacitor and the RCD absorption circuit.
- The electric vehicle of claim 14, wherein the feedback control circuit comprises a PWM pulse control circuit, an optocoupler isolator, and a voltage acquisition circuit, wherein an output of the RCD snubber circuit is electrically connected to the PWM pulse control circuit, an input of the primary side is electrically connected to an output of the RCD snubber circuit through the PWM pulse control circuit, and the PWM pulse control circuit is electrically connected to one of the outputs of the secondary side through the optocoupler isolator and the voltage acquisition circuit in sequence.
- The electric vehicle of claim 15, wherein the feedback control circuit is configured to obtain a voltage sampling signal from any one of the output terminals, and adjust the output voltages of the first output terminal, the second output terminal, and the third output terminal according to the voltage sampling signal, and comprises:the feedback control circuit acquires a voltage sampling signal from any output end positioned on the secondary side through the voltage acquisition circuit, the voltage acquisition circuit transmits the acquired voltage sampling signal to the optical coupling isolator, the optical coupling isolator receives the voltage sampling signal and converts the voltage sampling signal into an optical signal, the optical signal is converted into an electrical signal and transmits the electrical signal to the PWM pulse control circuit for processing, the PWM pulse control circuit acquires the output voltage of the output end according to the acquired voltage sampling signal, further acquires the output voltages of other output ends according to the voltage relation among the first output end, the second output end and the third output end, and judges whether the output voltage of the secondary side can control the normal work of the vehicle-mounted air conditioner compressor or not through the output voltages of the first output end, the second output end and the third output end, if not, the PWM pulse control circuit adjusts the input voltage of the input end of the primary side to change the output voltage of the secondary side.
- The electric vehicle of claim 13, wherein the first output terminal is independently grounded, and the second output terminal and the third output terminal have the same ground.
- The electric vehicle of claim 13, wherein the first output voltage is 5V and the maximum output current is 150mA, the second output voltage is-5V and the maximum output current is 50mA, the third output voltage is 15V and the maximum output current is 150 mA.
- The electric vehicle of claim 13, wherein the first output terminal, the second output terminal and the third output terminal of the primary side and the secondary side are respectively wound in a coil shape, and a winding diameter of the coil corresponds to a maximum current passing through the coil.
- The electric vehicle of claim 19 wherein the coils wound on the primary side and the secondary side are stacked in three layers, the primary side is located in a single stack, the first output terminal is located in a stack adjacent to the primary side, the second output terminal and the third output terminal are located in a stack remote from the primary side, and the stacks are insulated from each other.
- The electric vehicle of claim 20, wherein the stack is received in a space formed by the mounting frame, and the side of the stack close to the side of the mounting frame is provided with an insulating wall, the side and the insulating wall are perpendicular to the stack, and the insulating wall is used for increasing creepage distance between the stacks.
- The electric vehicle of claim 21, wherein the mounting frame is rectangular, and pins are disposed on the side of the mounting frame near the insulating wall, and the primary side and the secondary side are electrically connected to the circuit board through the pins.
- The electric vehicle of claim 22, wherein the pin electrically connected to the primary side input and the pin electrically connected to the secondary side output are located on different sides of the electric vehicle.
- The electric vehicle of claim 22, wherein the distance between the pins located on different sides and facing each other is 10mm, and the distance between the adjacent pins on the sides is 2.5 mm.
- A switching power supply of an on-vehicle air conditioner compressor, characterized in that, the switching power supply includes:a primary side electrically connected to a vehicle power supply, the primary side obtaining an input voltage from the vehicle power supply;the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises at least one output end, and the output end is electrically connected with the vehicle-mounted air-conditioning compressor;and the feedback control circuit is electrically connected with the output end and the primary side and is used for acquiring a voltage sampling signal from the output end and regulating the output voltage of the output end according to the voltage sampling signal.
- The electric automobile is characterized by comprising a vehicle-mounted power supply and a vehicle-mounted air-conditioning compressor, wherein the vehicle-mounted air-conditioning compressor is provided with a switching power supply;the switching power supply includes:a primary side electrically connected to the vehicle power supply, the primary side obtaining an input voltage from the vehicle power supply;the secondary side is used for controlling the vehicle-mounted air-conditioning compressor to work and comprises at least one output end, and the output end is electrically connected with the vehicle-mounted air-conditioning compressor;and the feedback control circuit is electrically connected with the output end and the primary side and is used for acquiring a voltage sampling signal from the output end and regulating the output voltage of the output end according to the voltage sampling signal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/099037 WO2020029036A1 (en) | 2018-08-06 | 2018-08-06 | Switching power supply for electric vehicle and vehicle-mounted air conditioner compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111684698A true CN111684698A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880087347.0A Pending CN111684698A (en) | 2018-08-06 | 2018-08-06 | Switching power supply of electric automobile and on-vehicle air conditioner compressor |
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| Country | Link |
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| CN (1) | CN111684698A (en) |
| WO (1) | WO2020029036A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661272A (en) * | 2012-05-24 | 2012-09-12 | 山东龙都瑞麟祥机电股份有限公司 | Frequency modulation air conditioner compressor driver for electric automobile |
| CN103944416A (en) * | 2014-05-02 | 2014-07-23 | 张新安 | Multi-output switch direct current voltage stabilizing power source with simple circuit |
| CN104901552A (en) * | 2014-12-13 | 2015-09-09 | 襄阳精圣科技信息咨询有限公司 | Push-pull converter enabling voltage-based on-off control |
| CN208589921U (en) * | 2018-08-06 | 2019-03-08 | 深圳配天智能技术研究院有限公司 | The Switching Power Supply of electric car and vehicle-mounted air conditioner compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62196071A (en) * | 1986-02-24 | 1987-08-29 | Fanuc Ltd | Driving power source for power device |
| CN101814837A (en) * | 2010-04-23 | 2010-08-25 | 威海金丰电子有限公司 | PCB (Printed Circuit Board) type switch power supply of ultrathin magnetic core |
| JP5071519B2 (en) * | 2010-05-14 | 2012-11-14 | トヨタ自動車株式会社 | Power conversion device and vehicle equipped with the same |
-
2018
- 2018-08-06 CN CN201880087347.0A patent/CN111684698A/en active Pending
- 2018-08-06 WO PCT/CN2018/099037 patent/WO2020029036A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661272A (en) * | 2012-05-24 | 2012-09-12 | 山东龙都瑞麟祥机电股份有限公司 | Frequency modulation air conditioner compressor driver for electric automobile |
| CN103944416A (en) * | 2014-05-02 | 2014-07-23 | 张新安 | Multi-output switch direct current voltage stabilizing power source with simple circuit |
| CN104901552A (en) * | 2014-12-13 | 2015-09-09 | 襄阳精圣科技信息咨询有限公司 | Push-pull converter enabling voltage-based on-off control |
| CN208589921U (en) * | 2018-08-06 | 2019-03-08 | 深圳配天智能技术研究院有限公司 | The Switching Power Supply of electric car and vehicle-mounted air conditioner compressor |
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| WO2020029036A1 (en) | 2020-02-13 |
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Application publication date: 20200918 |