CN104917266A - Emergency starting power supply with multi-gear wireless charge function for automobile - Google Patents
Emergency starting power supply with multi-gear wireless charge function for automobile Download PDFInfo
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- CN104917266A CN104917266A CN201510404687.XA CN201510404687A CN104917266A CN 104917266 A CN104917266 A CN 104917266A CN 201510404687 A CN201510404687 A CN 201510404687A CN 104917266 A CN104917266 A CN 104917266A
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Abstract
The invention relates to the technical field of emergency starting power supplies for automobiles, and provides an emergency starting power supply with the multi-gear wireless charge function for an automobile. The emergency starting power supply is specifically that a micro control unit MCU is respectively used for sending detection pulse A and detection pulse B to a bridge type wireless transmission driving circuit A and a bridge type wireless transmission driving circuit B; the detection pulse A and the detection pulse B are respectively converted by a wireless transmission coil A and a wireless transmission coil B into magnetic field signals to be transmitted out; a decoding detection circuit module A is corresponding to a detection port and used for detecting the current in the bridge type wireless transmission driving circuit A; when then current exceeds the preset threshold, whether a device to be charged currently is adapted to the bridge type wireless transmission driving circuit A is confirmed; the wireless transmission coil A is driven to continuously transmit magnetic field energy to charge the device to be charged. The emergency starting power supply can overcome the shortages of simple wireless charge in the prior art and brings a multi-gear wireless charge implementation method.
Description
[technical field]
The present invention relates to car emergency and start power technique fields, particularly relate to a kind of car emergency with many gears wireless charging function and start power supply.
[background technology]
Wireless charging principle is the alternating current of primary coil certain frequency, produces certain electric current, thus energy is transferred to receiving terminal from transmission ends by electromagnetic induction in secondary coil.
Charging solution the most common just have employed electromagnetic induction, China domestic BYD company at present, as far back as the non-contact induction type charger patent of in December, 2005 application, just employs electromagnetic induction technology.
At present, start field of power supplies at car emergency, the wireless charging function that can provide is all for single power apparatus, and the equipment that cannot require for different capacity provides the wireless charging function of many gears.
[summary of the invention]
The technical problem to be solved in the present invention is that how to overcome the wireless charging function provided in prior art be all deficiency for single power apparatus.
In order to solve the technical problem, the invention provides a kind of car emergency with many gears wireless charging function and start power supply, comprise micro-control unit MCU, decoding testing circuit modules A, decoding testing circuit module B, bridge-type wireless transmission drive circuit A, bridge-type wireless transmission drive circuit B, wireless transmission loop A, wireless transmission coil B, wherein, the detection port of described bridge-type wireless transmission drive circuit A connects decoding testing circuit modules A, and the output port of described decoding testing circuit modules A connects described micro-control unit MCU; The driving port of described bridge-type wireless transmission drive circuit A connects the control port A of described micro-control unit MCU; The output port of described bridge-type wireless transmission drive circuit A connects described wireless transmission loop A; Concrete: the detection port of described bridge-type wireless transmission drive circuit B connects decoding testing circuit module B, and the output port of described decoding testing circuit module B connects described micro-control unit MCU; The driving port B of described bridge-type wireless transmission drive circuit B connects the control port B of described micro-control unit MCU; The output port of described bridge-type wireless transmission drive circuit B connects described wireless transmission coil B; Concrete, described micro-control unit MCU passes through control port A and control port B and sends detection pulse A respectively to described bridge-type wireless transmission drive circuit A and bridge-type wireless transmission drive circuit B and detect pulse B; Described detection pulse A and detection pulse B, respectively via described wireless transmission loop A and wireless transmission coil B, is converted to field signal and launches; Described decoding testing circuit modules A, by corresponding detection port, detects the size of the electric current of described bridge-type wireless transmission drive circuit A after driving described wireless transmission loop A to launch described field signal; When the size of described electric current exceedes predetermined threshold value, confirm that current equipment to be charged is suitable for described bridge-type wireless transmission drive circuit A; Described wireless transmission loop A is driven to continue to launch the charging that magnetic field energy completes equipment to be charged by described bridge-type wireless transmission drive circuit A.
Preferably, described detection pulse A and described detection pulse B, is sent according to designated period by described micro-control unit MCU.
Preferably, describedly drive described wireless transmission loop A to continue to launch while magnetic field energy completes the charging of equipment to be charged by described bridge-type wireless transmission drive circuit A, also comprise:
Described micro-control unit MCU, according to the described cycle of specifying, keeps the transmission of the detection pulse B for described wireless transmission coil B.
Preferably, the described cycle of specifying is specially: 500ms, and described 500ms comprises: the time of the electric current that the time of described detection pulse A and micro-control unit MCU process described decoding testing circuit modules A export.
Preferably, the control port A of described micro-control unit MCU is connected with the driving port of described bridge-type wireless transmission drive circuit A, for described wireless transmission loop A generates alternating voltage, concrete:
The driving port of described bridge-type wireless transmission drive circuit A comprises driving port one and drives port 2, the control port A of described micro-control unit MCU comprises upload control port A1 and descending control port A2, in described bridge-type wireless transmission drive circuit A, described driving port one and the base stage driving port 2 to be connected transistor PNP and NPN respectively, the collector electrode of described transistor PNP connects the collector electrode of described transistor NPN, and connects described wireless transmission loop A as the output port of described wireless transmission drive circuit A; Under quiescent operation state, described transistor PNP and NPN conducting; When described micro-control unit MCU is by described upload control port A1 input high level, the collector electrode of described transistor PNP exports forward voltage; When described micro-control unit MCU is by described descending control port A2 input high level, the collector electrode of described transistor NPN exports reverse voltage; Described micro-control unit MCU, by controlling to export described forward voltage and described reverse voltage in turn, generates described detection pulse A and/or generates the signal driving described wireless transmission loop A to continue to launch magnetic field energy.
Preferably, what described transistor was concrete can replace with field effect transistor.
Preferably, described decoding testing circuit modules A forms voltage amplifier by integrated power amplifier, then the detection port of described bridge-type wireless transmission drive circuit A connects decoding testing circuit modules A, the output port of described decoding testing circuit modules A connects described micro-control unit MCU, is specially: the input port of described voltage amplifier connects the detection port of described bridge-type wireless transmission drive circuit A; The output port of described voltage amplifier connects the decoding input port of described micro-control unit MCU.
Preferably, described car emergency starts power supply and also comprises status indicator lamp, concrete: described micro-control unit MCU connects charging indicator light and wrong indicator light; Described charging indicator light is used in charging process and/or when being full of, and receives the control signal of described micro-control unit, completes corresponding state display; Described wrong indicator light is used for when being placed with non-chargeable object, receives the control signal of described micro-control unit, completes corresponding state display.
Preferably, described micro-control unit MCU also for, according to described decoding testing circuit modules A, after detecting that charging equipment is full of electricity, stop to described bridge-type wireless transmission drive circuit A input drive signal, thus stop described wireless transmission loop A to launch magnetic field energy.
Preferably, described according to described decoding testing circuit modules A, detect that charging equipment is full of electricity, specifically comprise:
Magnetic field energy receiving system in charging equipment, after the battery in charging equipment is full of electricity, generates an opposing magnetic field, and acts in described wireless transmission coil; When described micro-control unit MCU gets corresponding curent change by decoding testing circuit modules A, confirm that charging equipment is full of electricity, then stop to described bridge-type wireless transmission drive circuit A input drive signal.
Compared with prior art, beneficial effect of the present invention is: instant invention overcomes the deficiency that prior art only can provide single wireless to charge, and provides a kind of many gears wireless charging implementation method.
[accompanying drawing explanation]
Fig. 1 is a kind of structural representation with the car emergency startup power supply of many gears wireless charging function that the embodiment of the present invention provides;
Fig. 2 is the structural representation of a kind of micro-control unit MCU that the embodiment of the present invention provides;
Fig. 3 is the structural representation of a kind of wireless transmission drive circuit that the embodiment of the present invention provides;
Fig. 4 is the structural representation of a kind of testing circuit module of decoding that the embodiment of the present invention provides;
Fig. 5 is the structural representation of a kind of current detection module that the embodiment of the present invention provides;
Fig. 6 is the structural representation of a kind of status indicator lamp that the embodiment of the present invention provides;
Fig. 7 is the structural representation of a kind of state prompting that the embodiment of the present invention provides.
[embodiment]
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In addition, if below in described each execution mode of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
The invention provides the part circuit structure schematic diagram as accompanying drawing 2-accompanying drawing 7, for length and the dual consideration of definition, described each accompanying drawing is the part-structure intercepted in a complete circuit, in order to its interface annexation of easy understand, the fracture of identical identifier is described in figure, all show that they are interconnective, such as: the UP_A interface in Fig. 2 and the UP_A circuit line in Fig. 3 link together in complete circuit.
embodiment 1:
The embodiment of the present invention 1 provides a kind of car emergency with many gears wireless charging function and starts power supply, it is characterized in that, comprise micro-control unit MCU, decoding testing circuit modules A, decoding testing circuit module B, bridge-type wireless transmission drive circuit A, bridge-type wireless transmission drive circuit B, wireless transmission loop A, wireless transmission coil B, as shown in Figure 1, the detection port of described bridge-type wireless transmission drive circuit A connects decoding testing circuit modules A, and the output port of described decoding testing circuit modules A connects described micro-control unit MCU; The driving port A of described bridge-type wireless transmission drive circuit A connects the control port A of described micro-control unit MCU; The output port of described bridge-type wireless transmission drive circuit A connects described wireless transmission loop A;
The detection port of described bridge-type wireless transmission drive circuit B connects decoding testing circuit module B, and the output port of described decoding testing circuit module B connects described micro-control unit MCU; The driving port B of described bridge-type wireless transmission drive circuit B connects the control port B of described micro-control unit MCU; The output port of described bridge-type wireless transmission drive circuit B connects described wireless transmission coil B;
Concrete, described micro-control unit MCU passes through control port A and control port B and sends detection pulse A respectively to described bridge-type wireless transmission drive circuit A and bridge-type wireless transmission drive circuit B and detect pulse B;
Described detection pulse A and detection pulse B, respectively via described wireless transmission loop A and wireless transmission coil B, is converted to field signal and launches;
Described decoding testing circuit modules A, by corresponding detection port, detects the size of the electric current of described bridge-type wireless transmission drive circuit A after driving described wireless transmission loop A to launch described field signal;
When the size of described electric current exceedes predetermined threshold value, confirm that current equipment to be charged is suitable for described bridge-type wireless transmission drive circuit A;
Described wireless transmission loop A is driven to continue to launch the charging that magnetic field energy completes equipment to be charged by described bridge-type wireless transmission drive circuit A.
Instant invention overcomes the deficiency that prior art only can provide single wireless to charge, provide a kind of many gears wireless charging implementation method.
In conjunction with the present embodiment, there is a kind of preferred scheme, described detection pulse A and described detection pulse B, is sent according to designated period by described micro-control unit MCU.
In conjunction with the present embodiment, there is a kind of preferred scheme, describedly drive described wireless transmission loop A to continue to launch while magnetic field energy completes the charging of equipment to be charged by described bridge-type wireless transmission drive circuit A, also comprise:
Described micro-control unit MCU, according to the described cycle of specifying, keeps the transmission of the detection pulse B for described wireless transmission coil B.
In conjunction with the present embodiment, there is a kind of preferred scheme, the described cycle of specifying is specially: 500ms, and described 500ms comprises: the time of the electric current that the time of described detection pulse A and micro-control unit MCU process described decoding testing circuit modules A export.There is choosing, launch successively when detecting pulse A and detect pulse B, thus avoid mutual interference.
In various embodiments of the present invention, in the address of bridge-type wireless transmission drive circuit A and bridge-type wireless transmission drive circuit B, " A " " B " is only used to conveniently be described clearly and practical, particular determination is not had to the scope of bridge-type wireless transmission drive circuit A or bridge-type wireless transmission drive circuit B self, and, due to except both incidence relation, difference on wireless transmission coil, how micro-control unit MCU coordinates outside both operations, for the realization not too large difference of bridge-type wireless transmission drive circuit B self, therefore, content does not have essential distinction local for realizing, the present invention mainly lays particular emphasis on for simplicity and describes from bridge-type wireless transmission drive circuit A side, those skilled in the art can according to content disclosed in each embodiment, based on the relation of disclosed bridge-type wireless transmission drive circuit A and bridge-type wireless transmission drive circuit B, realize complete scheme, do not repeat one by one at this.
embodiment 2:
Embodiment 1 gives the structural relation that a kind of car emergency with many gears wireless charging function proposed by the invention starts power supply, the present embodiment 2 will based on basis disclosed in embodiment 1, further provide the annexation of micro-control unit MCU and bridge-type wireless transmission drive circuit, wherein, described micro-control unit MCU is specially chip DW540, or there is the wireless charging control chip with described chip DW540 similar functions, the control port A of described micro-control unit MCU is connected with the driving port of described bridge-type wireless transmission drive circuit A, for described wireless transmission loop A generates alternating voltage, as shown in Figures 2 and 3, concrete:
The driving port of described bridge-type wireless transmission drive circuit A comprises driving port one (as shown in UP_A in Fig. 3) and drives port 2 (as shown in DOWN_A in Fig. 3), the control port A of described micro-control unit MCU comprises upload control port A1 (as shown in UP_A in Fig. 2) and descending control port A2 (as shown in DOWN_A in Fig. 2), in described bridge-type wireless transmission drive circuit A, described driving port one and the base stage driving port 2 to be connected transistor PNP (as shown in Q1 in Fig. 3) and NPN (as shown in Q3 in Fig. 3) respectively, the collector electrode of described transistor PNP connects the collector electrode of described transistor NPN, and connect described wireless transmission loop A (as shown in L3 in Fig. 3) as the output port of described wireless transmission drive circuit A,
Under quiescent operation state, described transistor PNP and NPN conducting;
When described micro-control unit MCU is by described upload control port A1 input high level, the collector electrode of described transistor PNP exports forward voltage; When described micro-control unit MCU is by described descending control port A2 input high level, the collector electrode of described transistor NPN exports reverse voltage; Described micro-control unit MCU, by controlling to export described forward voltage and described reverse voltage in turn, generates described detection pulse A and/or generates the signal driving described wireless transmission loop A to continue to launch magnetic field energy.
The present embodiment is applicable to embodiment 1, give the specific implementation of micro-control unit MCU and bridge-type wireless transmission drive circuit A, from Fig. 2 and Fig. 3, the implementation of micro-control unit MCU and bridge-type wireless transmission drive circuit B can realization in reference example 2, wherein, wireless transmission coil B is specially the L4 in Fig. 3.
In conjunction with the present embodiment, there is a kind of optional scheme, what described transistor was concrete can replace with field effect transistor.
embodiment 3:
The present embodiment, based on basis disclosed in embodiment 1, sets forth described decoding testing circuit modules A and the concrete connected mode of micro-control unit MCU and implementation method further.As shown in Figure 2 and Figure 4, decoding testing circuit modules A forms voltage amplifier (as shown in LM324 in Fig. 4) by integrated power amplifier, then the detection port (as shown in DET in Fig. 2) of described bridge-type wireless transmission drive circuit A connects decoding testing circuit modules A, micro-control unit MCU as described in the output port (as shown in CODE_DET in Fig. 4) of described decoding testing circuit modules A connects, is specially:
The input port of described voltage amplifier connects the detection port of described wireless transmission drive circuit A;
The decoding input port (as shown in CODE_DET in Fig. 2) of micro-control unit MCU as described in the output port (as shown in CODE_DET in Fig. 4) of described voltage amplifier connects.
When adopting DW540, because it is provided with decoding input port (as shown in CODE_DET in Fig. 2), therefore, under carrying out the actual conditions of charging for there being an equipment in wireless transmission loop A, bridge-type wireless transmission drive circuit B still can detect pulse B according to described periodic emission of specifying, and, the driving to described wireless transmission loop A is stopped within the effective time of the effective time and reception DET of launching described detection pulse B, thus the rechargeable energy avoided in bridge-type wireless transmission drive circuit A is on the impact of DET port, in the present embodiment, detection port and the detection port of bridge-type wireless transmission drive circuit B of described bridge-type wireless transmission drive circuit A are all connected the CODE_DET port of DW540.
In conjunction with the content disclosed in the present embodiment, there is a kind of preferred scheme, detection port and the detection port of bridge-type wireless transmission drive circuit B for improvement of described bridge-type wireless transmission drive circuit A are all connected the connected mode of the CODE_DET port of DW540, specific as follows:
Based on the COM+ port connection control switching circuit of DW540, two inputs of described switching circuit connect the detection port of bridge-type wireless transmission drive circuit A and the detection port of bridge-type wireless transmission drive circuit B respectively, its output port connects the CODE_DET port of DW540, when needing the detection signal transmitting bridge-type wireless transmission drive circuit A, DW540 is by the detection port of control switch circuit turn-on bridge-type wireless transmission drive circuit A and the CODE_DET port of DW540 described in COM+ port driver; When needing the detection signal transmitting bridge-type wireless transmission drive circuit B, DW540 is by the detection port of control switch circuit turn-on bridge-type wireless transmission drive circuit B and the CODE_DET port of DW540 described in COM+ port driver.
embodiment 4:
The present embodiment 4, based on basis disclosed in embodiment 1, also proposed alternative plan, 1 can obtain better technique effect in conjunction with the embodiments, concrete:
Shown in have many gears wireless charging function car emergency start power supply, also comprise status indicator lamp, as shown in Figure 2 and Figure 6, concrete:
Described micro-control unit MCU connects charging indicator light (as shown in Ds2 in Fig. 6) and wrong indicator light (as shown in Ds1 in Fig. 6);
Described charging indicator light is used in charging process and/or when being full of, and receives the control signal of described micro-control unit, completes corresponding state display;
Described wrong indicator light is used for when being placed with non-chargeable object, receives the control signal of described micro-control unit, completes corresponding state display.
embodiment 5:
The present embodiment 5, based on basis disclosed in embodiment 1, also proposed alternative plan, 1 can obtain better technique effect in conjunction with the embodiments, concrete:
Described micro-control unit MCU also for, according to described decoding testing circuit modules A, after detecting that charging equipment is full of electricity, stop to described bridge-type wireless transmission drive circuit A input drive signal, thus stop described wireless transmission loop A launch magnetic field energy.
Wherein, described according to described decoding testing circuit modules A, detect that charging equipment is full of electricity, specifically comprise:
Magnetic field energy receiving system in charging equipment, after the battery in charging equipment is full of electricity, generates an opposing magnetic field, and acts in described wireless transmission coil;
When described micro-control unit MCU gets corresponding curent change by decoding testing circuit modules A, confirm that charging equipment is full of electricity, then stop to described bridge-type wireless transmission drive circuit A input drive signal.
embodiment 6:
The present embodiment 6, based on basis disclosed in embodiment 1, also proposed alternative plan, 1 can obtain better technique effect in conjunction with the embodiments, concrete:
Shown in have many gears wireless charging function car emergency start power supply, also comprise current detection module, as shown in Fig. 2, Fig. 3 and Fig. 5, concrete:
The loop (as shown in I_DETE in Fig. 5) of described wireless transmission loop A and described wireless transmission coil B is connected with current detection module, via the current follower that integrated operational amplifier is formed, by the current delivery in described wireless transmission loop A or described wireless transmission coil B loop to micro-control unit MCU (as shown in AMP in Fig. 2 and Fig. 5).So that described MCU is when its loop current is too high, stop wireless charging, thus protective circuit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement, all should be included within protection scope of the present invention.
Claims (10)
1. a car emergency with many gears wireless charging function starts power supply, it is characterized in that, comprise micro-control unit MCU, decoding testing circuit modules A, decoding testing circuit module B, bridge-type wireless transmission drive circuit A, bridge-type wireless transmission drive circuit B, wireless transmission loop A, wireless transmission coil B, wherein, the detection port of described bridge-type wireless transmission drive circuit A connects decoding testing circuit modules A, and the output port of described decoding testing circuit modules A connects described micro-control unit MCU; The driving port of described bridge-type wireless transmission drive circuit A connects the control port A of described micro-control unit MCU; The output port of described bridge-type wireless transmission drive circuit A connects described wireless transmission loop A; Concrete:
The detection port of described bridge-type wireless transmission drive circuit B connects decoding testing circuit module B, and the output port of described decoding testing circuit module B connects described micro-control unit MCU; The driving port of described bridge-type wireless transmission drive circuit B connects the control port B of described micro-control unit MCU; The output port of described bridge-type wireless transmission drive circuit B connects described wireless transmission coil B;
Concrete, described micro-control unit MCU passes through control port A and control port B and sends detection pulse A respectively to described bridge-type wireless transmission drive circuit A and bridge-type wireless transmission drive circuit B and detect pulse B;
Described detection pulse A and detection pulse B, respectively via described wireless transmission loop A and wireless transmission coil B, is converted to field signal and launches;
Described decoding testing circuit modules A, by corresponding detection port, detects the size of the electric current of described bridge-type wireless transmission drive circuit A after driving described wireless transmission loop A to launch described field signal;
When the size of described electric current exceedes predetermined threshold value, confirm that current equipment to be charged is suitable for described bridge-type wireless transmission drive circuit A;
Described wireless transmission loop A is driven to continue to launch the charging that magnetic field energy completes equipment to be charged by described bridge-type wireless transmission drive circuit A.
2. car emergency according to claim 1 starts power supply, and it is characterized in that, described detection pulse A and described detection pulse B, is sent according to designated period by described micro-control unit MCU.
3. car emergency according to claim 1 starts power supply, it is characterized in that, describedly drives described wireless transmission loop A to continue to launch while magnetic field energy completes the charging of equipment to be charged by described bridge-type wireless transmission drive circuit A, also comprises:
Described micro-control unit MCU, according to the described cycle of specifying, keeps the transmission of the detection pulse B for described wireless transmission coil B.
4. car emergency according to claim 3 starts power supply, and it is characterized in that, the described cycle of specifying is specially:
500ms, described 500ms comprises: the time of the electric current that the time of described detection pulse A and micro-control unit MCU process described decoding testing circuit modules A export.
5. car emergency according to claim 1 starts power supply, and it is characterized in that, the control port A of described micro-control unit MCU is connected with the driving port of described bridge-type wireless transmission drive circuit A, for described wireless transmission loop A generates alternating voltage, concrete:
The driving port of described bridge-type wireless transmission drive circuit A comprises driving port one and drives port 2, the control port A of described micro-control unit MCU comprises upload control port A1 and descending control port A2, in described bridge-type wireless transmission drive circuit A, described driving port one and the base stage driving port 2 to be connected transistor PNP and NPN respectively, the collector electrode of described transistor PNP connects the collector electrode of described transistor NPN, and connects described wireless transmission loop A as the output port of described wireless transmission drive circuit A;
Under quiescent operation state, described transistor PNP and NPN conducting;
When described micro-control unit MCU is by described upload control port A1 input high level, the collector electrode of described transistor PNP exports forward voltage; When described micro-control unit MCU is by described descending control port A2 input high level, the collector electrode of described transistor NPN exports reverse voltage; Described micro-control unit MCU, by controlling to export described forward voltage and described reverse voltage in turn, generates described detection pulse A and/or generates the signal driving described wireless transmission loop A to continue to launch magnetic field energy.
6. car emergency according to claim 4 starts power supply, and it is characterized in that, what described transistor was concrete can replace with field effect transistor.
7. start power supply according to the arbitrary described car emergency of claim 1-6, it is characterized in that, described decoding testing circuit modules A forms voltage amplifier by integrated power amplifier, then the detection port of described bridge-type wireless transmission drive circuit A connects decoding testing circuit modules A, the output port of described decoding testing circuit modules A connects described micro-control unit MCU, is specially:
The input port of described voltage amplifier connects the detection port of described bridge-type wireless transmission drive circuit A;
The output port of described voltage amplifier connects the decoding input port of described micro-control unit MCU.
8. start power supply according to the arbitrary described car emergency of claim 1-6, it is characterized in that, also comprise status indicator lamp, concrete:
Described micro-control unit MCU connects charging indicator light and wrong indicator light;
Described charging indicator light is used in charging process and/or when being full of, and receives the control signal of described micro-control unit, completes corresponding state display;
Described wrong indicator light is used for when being placed with non-chargeable object, receives the control signal of described micro-control unit, completes corresponding state display.
9. start power supply according to the arbitrary described car emergency of claim 1-6, it is characterized in that, described micro-control unit MCU also for:
According to described decoding testing circuit modules A, after detecting that charging equipment is full of electricity, stop to described bridge-type wireless transmission drive circuit A input drive signal, thus stop described wireless transmission loop A to launch magnetic field energy.
10. car emergency according to claim 9 starts power supply, it is characterized in that, described according to described decoding testing circuit modules A, detects that charging equipment is full of electricity, specifically comprises:
Magnetic field energy receiving system in charging equipment, after the battery in charging equipment is full of electricity, generates an opposing magnetic field, and acts in described wireless transmission coil;
When described micro-control unit MCU gets corresponding curent change by decoding testing circuit modules A, confirm that charging equipment is full of electricity, then stop to described bridge-type wireless transmission drive circuit A input drive signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510404687.XA CN104917266B (en) | 2015-07-10 | 2015-07-10 | Emergency starting power supply with multi-gear wireless charge function for automobile |
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| CN201510404687.XA CN104917266B (en) | 2015-07-10 | 2015-07-10 | Emergency starting power supply with multi-gear wireless charge function for automobile |
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| CN104917266B CN104917266B (en) | 2017-04-12 |
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| CN109450041A (en) * | 2018-12-14 | 2019-03-08 | 电子科技大学 | A kind of wireless charging device of multi gear position |
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| CN104917266B (en) | 2017-04-12 |
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Effective date of registration: 20190429 Address after: No. 5601, 56th floor, Diwang Commercial Center, Xinxing Square, 5002 Shennan East Road, Guiyuan Street, Luohu District, Shenzhen City, Guangdong Province Patentee after: Bai Yi Technology (Shenzhen) Co., Ltd. Address before: 5D Yuangong Pavilion, Taigu City, Hong Kong, China Patentee before: Li Wenhua |
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