CN113183899A - Ignition control device for emergency starting power supply of three-fork automobile and application method thereof - Google Patents
Ignition control device for emergency starting power supply of three-fork automobile and application method thereof Download PDFInfo
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- CN113183899A CN113183899A CN202110600250.9A CN202110600250A CN113183899A CN 113183899 A CN113183899 A CN 113183899A CN 202110600250 A CN202110600250 A CN 202110600250A CN 113183899 A CN113183899 A CN 113183899A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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Abstract
The invention discloses an ignition control device of an emergency starting power supply of a three-fork automobile and an application method thereof. The invention realizes the function of two-way identity recognition of a single-wire communication band, can play the roles of short circuit prevention, overcurrent prevention, reverse connection prevention and battery overtemperature prevention in practical application, and has the advantage of convenient carrying.
Description
Technical Field
The invention relates to the technical field of automobile emergency starting power supplies, in particular to an ignition control device of a trigeminal automobile emergency starting power supply and an application method thereof.
Background
The emergency starting power supply for automobile is a device for assisting the automobile to start successfully, which is caused by the fact that the battery of the automobile can not start the automobile directly due to the power shortage of the automobile or other environmental reasons.
The existing market has two ways for an automobile emergency starting power supply, one way is that an ignition clamp cannot be removed, namely the ignition clamp is directly fixed on a product, and the product has protection functions of reverse connection prevention, short circuit, overcurrent and the like, but needs to be fixedly connected with a wire with the clamp, is very inconvenient to carry in practical application, and is inconvenient to place when a road rescuer goes out and is idle and attractive; the other method is that the ignition clamp can be removed, the problem that the ignition clamp is inconvenient to carry in the previous method can be solved, the problem that a terminal connected with the ignition clamp is exposed is remained, a high-rate battery used by an automobile starting power supply can output hundreds of amperes of current, if the protection is not carried out, the current is very dangerous, the protection measure used in the current market is to add a rubber plug on a shell to block the battery, if the rubber plug falls off or a user forgets to block the battery, the short circuit phenomenon can occur, the battery can be spontaneously combusted, and the bulge and even explosion can be caused.
The second method uses a uniform EC5 or EC8 interface and is therefore widely used, because the requirements of each brand for products are different, when a host of a different brand is matched with a clip of another brand, various problems of different protection function parameters are caused, and the same danger is also existed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an ignition control device of an emergency starting power supply of a three-fork automobile and an application method thereof.
In a first aspect, the ignition control device for the emergency starting power supply of the three-prong automobile comprises a host part and a clamp part, wherein the host part comprises a first terminal and a first control module, the clamp part comprises a second terminal and a second control module, the host part is connected with the clamp part through the first terminal and the second terminal, the first terminal is connected with the first control module, and the second terminal is connected with the second control module.
Further, the first terminal and the second terminal are trifurcate EC5/EC8 terminals.
Further, the first control module comprises a battery pack, a first detection module and a first voltage output module, the first end of the first terminal is connected with one end of the first voltage output module, the second end of the first terminal is connected with the negative end of the battery pack, the third end of the first terminal is connected with one end of the first detection module, the other end of the first detection module is connected with the other end of the first voltage output module and the NTC end of the battery pack, and the other end of the first voltage output module is further connected with the positive end of the battery pack.
Further, the second control module comprises an optical coupling module, a second detection module and a second voltage output module, the first end of the second terminal is connected with one end of the second voltage output module, the second end of the second terminal is connected with one end of the optical coupling module, the third end of the second terminal is connected with one end of the second detection module, the other end of the second voltage output module is connected with one end of the optical coupling module and the other end of the second detection module, and the other end of the optical coupling module is connected with one end of the second detection module.
Furthermore, the first detection module is used for detecting the voltage and the temperature of the battery, detecting whether the host machine is connected with the clamp or not, identifying the identity of the connected clamp, and controlling the first voltage output module to output voltage to the clamp part after successful identification.
Further, the second detection module is used for detecting ignition current and detecting whether the clamp meets an ignition condition or not, and controlling the second voltage output module to output voltage to the automobile battery, and the optical coupling module comprises a double-path optical coupler and is used for converting the connection state of the clamp into a level signal and outputting the level signal to the second detection module.
On the other hand, an application method of the trigeminal automobile emergency starting power supply ignition control device is applied to the trigeminal automobile emergency starting power supply ignition control device in the first aspect, and the method includes:
the host detects whether a clamp is accessed;
if the clip is accessed, the host machine identifies the identity of the clip;
when the identification is successful, the clamp sends an ignition confirmation signal to the host;
and the host machine outputs voltage to the clamp according to the ignition confirmation signal to perform ignition.
Further, the identification of the host to the clip specifically includes:
the first detection module receives an identity recognition signal sent by the clamp to the host through the second detection module;
the first detection module judges whether the accessed clamp is the clamp matched with the original factory or not according to the identity recognition signal, and if so, sends a recognition success signal to the clamp.
Further, the identification signal is a continuous low level 200MS and high level 200MS signal, and is triggered cyclically with a period of 1S; the identification success signal is a signal of continuous low level 500MS and high level 500 MS.
Further, the clip sends an ignition confirmation signal to the host specifically as follows:
after the clamp receives a host identity recognition success signal, whether the clamp is correctly connected to an automobile storage battery is judged through the optical coupling circuit and the second detection module;
if the positive and negative electrodes of the clamp are consistent with those of the automobile storage battery, sending an ignition confirmation signal to the host; wherein, the ignition confirming signal is a signal of continuous low level 100MS and high level 100 MS.
The invention has the beneficial effects that: the clamp and the host are designed separately, the clamp can be removed, the portable purpose is achieved, meanwhile, the three-fork EC5/EC8 terminal is used, the clamp information and the host information are communicated through a three-fork line, single-wire communication has a bidirectional identity recognition function, ignition cannot be achieved when the identification of the connected clamp fails, no voltage is output when the clamp is not connected, and the clamp has the functions of short circuit prevention, overcurrent prevention, reverse connection prevention and battery overtemperature prevention.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a block diagram of an ignition control device for an emergency starting power supply of a three-prong automobile;
FIG. 2 is a schematic circuit diagram of an ignition control device of an emergency starting power supply of a three-fork automobile;
FIG. 3 is a block diagram of a main engine portion of an ignition control device for an emergency start power supply of a three-prong automobile;
FIG. 4 is a block diagram of the clamp portion of an ignition control device for a three-prong automotive emergency start power supply;
fig. 5 is a flowchart of an application method of the ignition control device of the emergency starting power supply of the three-prong automobile.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1 and 2, the ignition control device for the emergency start power supply of the three-prong automobile provided by the present embodiment includes a host portion and a clip portion, as shown in fig. 3, the host portion includes a first terminal J1, a battery pack, a first detection module U1 and a first voltage output module Q1, the first detection module U1 is a single chip microcomputer of model CSU32P20, the first voltage output module Q1 is a power MOS transistor of model AON6403, wherein a first end of the first terminal J1 is connected to one end of the first voltage output module Q1, a second end of the first terminal J1 is connected to a negative end of the battery pack, a third end of the first terminal J1 is connected to one end of the first detection module U1, another end of the first detection module U1 is connected to another end of the first voltage output module Q1 and an NTC end of the battery pack, and another end of the first voltage output module Q1 is further connected to a positive end of the battery pack. As shown in fig. 4, the clip portion includes a second terminal J2, an optical coupling module, a second detection module U2, a second voltage output module Q2/Q3, the second detection module U2 is a single chip microcomputer of model CSU32P20, the second voltage output module includes two power MOS transistors of model AON6403, the two power MOS transistors are electrically connected, wherein a first end of the second terminal J2 is connected with one end of the second voltage output module Q2/Q3, a second end of the second terminal J2 is connected with one end of the optical coupling module, a third end of the second terminal J2 is connected with one end of the second detection module U2, the other end of the second voltage output module Q2/Q3 is connected with one end of the optical coupling module and the other end of the second detection module U2, the other end of the optical coupling module is connected with one end of the second detection module U2, the clip portion is externally connected with a positive terminal of the vehicle battery through the other end of the second voltage output module Q2/Q3, one end of the optical coupling module is externally connected with the negative end of the automobile battery.
Specifically, the first terminal J1 and the second terminal J2 are three-forked EC5/EC8 terminals, and the host portion and the clip portion are connected by the first terminal J1 and the second terminal J2, so that bidirectional communication can be achieved by only one line. The first detection module U1 will be set to output high level to wake up low level after power is on, when K1 is pressed down, wake up the host computer to need ignition operation, after the host computer is woken up, the 3 rd pin of the first detection module U1 will be pulled up to high level, the 4 th pin of the first detection module U1 will be used to detect whether there is clip access, when the clip J2 is connected to J1, the 5 th pin of the second detection module U2 of the clip part will detect continuous high level, change the former input detection into output low level, and send signals of continuous low level 200MS, high level 200MS to the host computer, the signals are used for the host computer to identify the clip, when the 4 th pin of the first detection module U1 of the host part detects that the 3 rd pin is pulled down to low level continuous 200MS, then pulled up to high level 200MS, after cycle trigger with 1S as cycle, the first detection module U1 judges that the clip accessed is the clip matched with original factory, and if a signal is wrong or the time sequence is not correct in the identification process, the identification is judged to be a non-original clamp, and the identification fails, so that the ignition fails, and the function of identifying the identity information of the clamp is realized. After the identification is successful, the host part sends identification success signals of continuous low level 500MS and high level 500MS to the clamp part, the clamp part starts to detect whether an ignition condition is met or not after receiving the identification success signals, if the positive and negative poles of the clamp part are consistent with the positive and negative poles of the automobile storage battery, the optical coupler IC10 is conducted, the 7 th pin of the second detection module U2 is changed from the pulled-up high potential to the low potential, the optical coupler IC9 is cut off, the 8 th pin of the second detection module U2 is high potential, if the clamp is reversely connected, the optical coupler IC9 is conducted, the 8 th pin of the second detection module U2 is changed from the pulled-up high potential to the low potential, the optical coupler IC10 is in a cut-off state, the 7 th pin of the second detection module U2 is still high potential, therefore, only when the 7 th pin of the second detection module U2 is detected to be low potential and the 8 th pin of the second detection module U2 is detected to be high potential, the clamp is considered, and sends 100MS low and 100MS high ignition confirmation signals to the host, and after the host part receives the ignition confirmation signals, the 8 th pin of the first detection module U1 outputs low level to turn on the first voltage output module Q1, and outputs voltage to the clamp for ignition.
The host machine part has voltage detection and temperature detection functions to the battery, when the 6 th pin of the first detection module U1 detects that the battery voltage is low, or the 5 th pin of the first detection module U1 detects that the battery temperature is too high, the 3 rd pin of the first detection module U1 is forcibly pulled down to a low potential to tell the clamp that the host machine does not have the ignition condition at present, and meanwhile, the 8 th pin of the first detection module U1 controls the first voltage output module Q1 not to output externally, so that the purpose of safety is achieved. Meanwhile, the clamp part plays a role in monitoring the automobile storage battery, when the second detection module U2 detects the power shortage state of the automobile storage battery through the 4 th pin, if the power shortage is serious, the pulse type control second voltage output module Q2/Q3 is adopted to activate the storage battery, and when the storage battery reaches the potential close to the host battery potential, the large-current normally-open is carried out, so that the automobile storage battery can be effectively repaired; when the 4 th pin of the second detection module U2 detects that the automobile is normally started, the 3 rd pin of the second detection module U2 closes the second voltage output module Q2/Q3 so as to achieve the purpose that the automobile battery cannot recoil to the battery of the host, and simultaneously, the 5 th pin of the second detection module U2 tells the host that ignition is not needed at present and closes the output of the battery so as to achieve the purpose of protection; during ignition, the current during ignition is detected through the 6 th pin of the second detection module U2 to prevent the ignition current from flowing to damage the host battery.
As shown in fig. 5, an embodiment of the present invention further provides an application method of an ignition control device for an emergency starting power supply of a trifurcate automobile, where the application method is applied to the ignition control device for an emergency starting power supply of a trifurcate automobile described above, and the method includes:
s1: the host detects whether a clamp is accessed;
specifically, after the first detection module U1 is powered on, the 7 th pin is set to output a high level to wake up the host at a low level, when the K1 is pressed down, the host needs to perform an ignition operation, after the host is woken up, the 3 rd pin of the first detection module U1 is pulled up to a high level, and the 4 th pin of the first detection module U1 detects whether a clip is connected.
S2: if the clip is accessed, the host machine identifies the identity of the clip;
specifically, when the clip J2 is connected to the connection J1, the 5 th pin of the second detection module U2 of the clip portion will detect a continuous high level, then convert the previous input detection into an output low level, and send signals of a continuous low level 200MS and a continuous high level 200MS to the host, when the 4 th pin of the first detection module U1 of the host portion detects that the 3 rd pin is pulled down into a low level for continuous 200MS, and then pulled up to the high level 200MS, and after the cycle trigger with the period of 1S, the first detection module U1 determines that the connected clip is a matching clip of the original factory, the identification is successful, and if there is a signal error or the timing is not correct in the identification process, it will determine that the clip is not an original mounted clip, the identification is failed, and the ignition is failed, thereby playing a function of identifying the identity information of the clip. After the identification is successful, the host part sends an identification success signal of the continuous low level 500MS and the high level 500MS to the clip part.
S3: when the identification is successful, the clamp sends an ignition confirmation signal to the host;
specifically, after the clip part receives the identification success signal, whether the ignition condition is met or not is detected, if the positive and negative electrodes of the clip part are consistent with the positive and negative electrodes of the automobile storage battery, the optocoupler IC10 is turned on, the 7 th pin of the second detection module U2 is changed from a pulled-up high potential to a low potential, the optocoupler IC9 is turned off, the 8 th pin of the second detection module U2 is high potential, if the clip is reversely connected, the optocoupler IC9 is turned on, the 8 th pin of the second detection module U2 is changed from a pulled-up high potential to a low potential, the optocoupler IC10 is in a cut-off state, and the 7 th pin of the second detection module U2 is still high potential, so that only when the 7 th pin of the second detection module U2 is detected to be low potential and the 8 th pin of the second detection module U2 is detected to be high potential, the clip is considered to be correctly connected to the automobile storage battery, and an ignition confirmation signal of 100MS low and 100MS high is sent to the host.
S4: and the host machine outputs voltage to the clamp according to the ignition confirmation signal to perform ignition.
Specifically, after receiving the ignition confirming signal, the host part outputs a low level through the 8 th pin of the first detection module U1 to turn on the first voltage output module Q1, and outputs a voltage to the clamp for ignition.
Meanwhile, the host part also has voltage detection and temperature detection functions on the battery, when the 6 th pin of the first detection module U1 detects that the voltage of the battery is low or the 5 th pin of the first detection module U1 detects that the temperature of the battery is too high, the 3 rd pin of the first detection module U1 is forcibly pulled down to a low potential to tell the clamp that the host does not have the ignition condition at present, and meanwhile, the 8 th pin of the first detection module U1 controls the first voltage output module Q1 not to output externally so as to achieve the purpose of safety. Meanwhile, the clamp part plays a role in monitoring the state of the automobile storage battery, when the second detection module U2 detects the power shortage state of the automobile storage battery through the 4 th pin, if the power shortage is serious, the pulse type control second voltage output module Q2/Q3 is adopted to activate the storage battery, and when the storage battery reaches the potential close to the host battery, large-current normally opening is carried out, so that the automobile storage battery can be effectively repaired; when the 4 th pin of the second detection module U2 detects that the automobile is normally started, the 3 rd pin of the second detection module U2 closes the second voltage output module Q2/Q3 so as to achieve the purpose that the automobile battery cannot recoil to the battery of the host, and simultaneously, the 5 th pin of the second detection module U2 tells the host that ignition is not needed at present and closes the output of the battery so as to achieve the purpose of protection; during ignition, the current during ignition is detected through the 6 th pin of the second detection module U2 to prevent the ignition current from flowing to damage the host battery.
The invention provides an ignition control device of an emergency starting power supply of a trifurcate automobile and an application method thereof, which are suitable for most automobiles, the aim of portability is achieved by separately designing a clamp and a host and adopting a mode of removing the clamp, meanwhile, a trifurcate EC5/EC8 terminal is used for exchanging clamp information and host information through a trifurcate line, single-line communication has a bidirectional identity identification function, ignition cannot be realized if the identification of an accessed clamp fails, no voltage is output when the clamp is not connected, and the ignition control device has the functions of short circuit prevention, overcurrent prevention, reverse connection prevention and battery overtemperature prevention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides an emergent start-up power supply ignition control device of trident car, includes host computer part and clip part, its characterized in that, host computer part includes first terminal and first control module, the clip part includes second terminal and second control module, host computer part passes through first terminal and second terminal connection with the clip part, first terminal is connected with first control module, the second terminal is connected with second control module.
2. The ignition control device for the emergency starting power supply of the three-prong automobile as claimed in claim 1, wherein the first and second terminals are three-prong EC5/EC8 terminals.
3. The ignition control device of a trigeminal automobile emergency starting power supply of claim 1, wherein the first control module comprises a battery pack, a first detection module and a first voltage output module, a first end of the first terminal is connected with one end of the first voltage output module, a second end of the first terminal is connected with a negative end of the battery pack, a third end of the first terminal is connected with one end of the first detection module, the other end of the first detection module is connected with the other end of the first voltage output module and an NTC end of the battery pack, and the other end of the first voltage output module is further connected with a positive end of the battery pack.
4. The ignition control device of the emergency starting power supply of the trifurcate automobile as claimed in claim 1, wherein the second control module comprises an optical coupling module, a second detection module and a second voltage output module, a first end of the second terminal is connected with one end of the second voltage output module, a second end of the second terminal is connected with one end of the optical coupling module, a third end of the second terminal is connected with one end of the second detection module, the other end of the second voltage output module is connected with one end of the optical coupling module and the other end of the second detection module, and the other end of the optical coupling module is connected with one end of the second detection module.
5. The ignition control device for the emergency starting power supply of the trifurcated automobile as claimed in claim 3, wherein the first detection module is used for detecting the voltage and the temperature of the battery, detecting whether the host has a clip connected and identifying the connected clip, and controlling the first voltage output module to output the voltage to the clip part after the identification is successful.
6. The ignition control device of the emergency starting power supply of the trifurcate automobile as claimed in claim 4, wherein the second detection module is used for detecting the ignition current and detecting whether the clip satisfies the ignition condition, and controlling the second voltage output module to output the voltage to the automobile battery, and the optical coupling module comprises a two-way optical coupler for converting the connection state of the clip into a level signal and outputting the level signal to the second detection module.
7. An application method of an ignition control device of a trigeminal automobile emergency starting power supply, which is applied to the ignition control device of the automobile emergency starting power supply of any one of claims 1 to 6, wherein the method comprises the following steps:
the host detects whether a clamp is accessed;
if the clip is accessed, the host machine identifies the identity of the clip;
when the identification is successful, the clamp sends an ignition confirmation signal to the host;
and the host machine outputs voltage to the clamp according to the ignition confirmation signal to perform ignition.
8. The application method of the ignition control device of the emergency starting power supply of the three-prong automobile according to claim 7, wherein the identification of the clip by the host specifically comprises:
the first detection module receives an identity recognition signal sent by the clamp to the host through the second detection module;
the first detection module judges whether the accessed clamp is the clamp matched with the original factory or not according to the identity recognition signal, and if so, sends a recognition success signal to the clamp.
9. The method as claimed in claim 8, wherein the identification signal is a continuous low level 200MS and high level 200MS signal, and is triggered cyclically with a period of 1S; the identification success signal is a signal of continuous low level 500MS and high level 500 MS.
10. The method for applying the ignition control device of the emergency starting power supply of the trifurcated automobile as claimed in claim 8, wherein the step of sending the ignition confirming signal to the host by the clamp is specifically as follows:
after the clamp receives a host identity recognition success signal, whether the clamp is correctly connected to an automobile storage battery is judged through the optical coupling circuit and the second detection module;
if the positive and negative electrodes of the clamp are consistent with those of the automobile storage battery, sending an ignition confirmation signal to the host; wherein, the ignition confirming signal is a signal of continuous low level 100MS and high level 100 MS.
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| CN202110600250.9A CN113183899B (en) | 2021-05-31 | 2021-05-31 | Ignition control device for emergency starting power supply of three-fork automobile and application method of ignition control device |
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| CN202110600250.9A CN113183899B (en) | 2021-05-31 | 2021-05-31 | Ignition control device for emergency starting power supply of three-fork automobile and application method of ignition control device |
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| CN108979931A (en) * | 2018-09-05 | 2018-12-11 | 深圳市小樱桃实业有限公司 | A kind of device of engine emergency starting offer power |
| CN213279188U (en) * | 2020-07-08 | 2021-05-25 | 上海广为美线电源电器有限公司 | Portable emergency starting power supply with high safety |
| CN112134348A (en) * | 2020-10-14 | 2020-12-25 | 江苏汇裕科技有限公司 | Emergency starting power supply |
| CN214874658U (en) * | 2021-05-31 | 2021-11-26 | 深圳市卓芯微科技有限公司 | Ignition control device for emergency starting power supply of three-fork automobile |
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