CN102198803A - Automobile emergency starting method and emergency starting power supply suitable for low temperature environment - Google Patents
Automobile emergency starting method and emergency starting power supply suitable for low temperature environment Download PDFInfo
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- CN102198803A CN102198803A CN2011100908592A CN201110090859A CN102198803A CN 102198803 A CN102198803 A CN 102198803A CN 2011100908592 A CN2011100908592 A CN 2011100908592A CN 201110090859 A CN201110090859 A CN 201110090859A CN 102198803 A CN102198803 A CN 102198803A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The embodiment of the invention discloses an automobile emergency starting method and an automobile emergency starting power supply suitable for a low temperature environment. The method comprises the following steps that: before the emergency starting of an automobile, a starting power supply built-in battery performs low-current charging on an automobile storage battery; the starting power supply built-in battery releases heat in the low-current charging process, so that the temperature of the starting power supply built-in battery is raised; the capacity of the starting power supply built-in battery is recovered when the temperature of the starting power supply built-in battery is raised; when the temperature of the starting power supply built-in battery reaches a preset temperature threshold value, the low-current charging of the automobile storage battery is stopped; and the starting power supply built-in battery is matched with the automobile storage battery to provide starting current for an automobile starter so as to start an automobile. By the automobile emergency starting method and the automobile emergency starting power supply suitable for the low temperature environment in the embodiment of the invention, the emergency starting of the automobile can be realized by a low-capacity battery, the problem of starting the automobile in the low temperature environment can be solved, and the energy of the starting power supply built-in battery is fully utilized simultaneously.
Description
Technical field
The present invention relates to car emergency and start field of power supplies, relate in particular to a kind of car emergency startup method and emergency starting power supply of suitable low temperature environment.
Background technology
Car emergency start power supply be at automotive battery because of the electric weight power shortage or exhaust under the situation that can't make automobile starting, can utilize internal battery emergency starting automobile.What the internal battery of the power supply of car emergency startup in the market generally used is low-cost high-capacity lead-acid storage battery, when the automotive battery electric weight is not enough, provides the starting current of automobile by starting the on-chip power battery.
And in starting the selecting for use of on-chip power battery, characteristics such as specific energy height, long service life, charging and discharging capabilities height, self-discharge rate are low because lithium ion battery (lithium cell) has, environmental protection, use more and morely at automotive field, become the ideal that starts the on-chip power battery gradually and select.It should be noted that lithium ion battery because of its intrinsic chemical reaction characteristic, best environment for use temperature is between 10 ℃ ~ 30 ℃.Under low temperature environment, the loading capacity of battery can reduce.In the time of-10 ℃, capacity of cell has only 70% of initial capacity.
In the actual use of automobile, it obviously is changeable that car emergency starts the residing working environment of power supply, start the on-chip power battery under the situation that low temperature environment, capacity of cell descend for making, still can provide enough big starting current for automobile, two kinds of methods commonly used are arranged at present: a kind of method is to make to start the rising of on-chip power battery temperature, return to initial capacity as far as possible, but can consume extra energy in the temperature-rise period; Another kind method is to increase the initial capacity that starts the on-chip power battery, guarantees its normal use under low temperature environment, but this will inevitably increase the cost that car emergency starts power supply.
Summary of the invention
Embodiment of the invention technical matters to be solved is, provide a kind of car emergency startup method of suitable low temperature environment and the car emergency of suitable low temperature environment to start power supply, utilize the startup on-chip power battery of low capacity can realize the emergency starting of automobile, and can take into account automobile starting problem under the low temperature environment, the internal battery energy that makes car emergency start power supply is fully utilized.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of car emergency startup method of suitable low temperature environment, comprising:
Before car emergency starts, start the on-chip power battery automotive battery is carried out low current charge; The heat release in the low current charge process of described startup on-chip power battery makes self temperature build-up;
Described startup on-chip power battery is along with self temperature build-up, capacity resuming;
When the temperature of described startup on-chip power battery reaches default temperature threshold, stop low current charge to described automotive battery;
Described startup on-chip power battery cooperates with described automotive battery, provides starting current to make automobile starting to automobile starter.
Wherein, described temperature threshold is that the capacity of cell of described startup on-chip power battery under this temperature is enough to make the temperature value of automobile starting.
Wherein, described startup on-chip power battery is in the process of self temperature build-up, and its internal resistance reduces.
Wherein, described startup on-chip power battery cooperates with described automotive battery, provide starting current to make in the automobile starting to automobile starter, the mode that described startup on-chip power battery cooperates with described automotive battery is: a direction described automobile starter higher by voltage in described startup on-chip power battery and the described automotive battery provides starting current.
Wherein, described startup on-chip power battery is a lithium ion battery.
Correspondingly, the embodiment of the invention also provides a kind of car emergency of suitable low temperature environment to start power supply, comprise: start the on-chip power battery, the charging control circuit that connects described startup on-chip power battery and automotive battery connects the big current output circuit of described startup on-chip power battery and automobile starter; And with described startup on-chip power battery bonded assembly battery management and control system;
Described charging control circuit is used for when automobile needs emergency starting, controls described startup on-chip power battery automotive battery is carried out low current charge; Make the heat release in the low current charge process of described startup on-chip power battery, temperature build-up; And when the temperature of described startup on-chip power battery reaches default temperature threshold, control described startup on-chip power battery and stop low current charge described automotive battery;
Described startup on-chip power battery is used under the control of described charging control circuit, automotive battery being carried out low current charge before car emergency starts; And heat release in process of charging, make self temperature build-up, capacity resuming; When car emergency started, described startup on-chip power battery cooperated with described automotive battery, provides starting current by big current output circuit to automobile starter;
Described battery management and control system, the circuit that charges and discharge that is used to control described startup on-chip power battery switches.
Wherein, described temperature threshold is that the capacity of cell of described startup on-chip power battery under this temperature is enough to make the temperature value of automobile starting.
Wherein, described startup on-chip power battery is in the process of self temperature build-up, and its internal resistance reduces.
Wherein, described startup on-chip power battery is a lithium ion battery.
The car emergency of the car emergency startup method of the suitable low temperature environment that the embodiment of the invention provides and suitable low temperature environment starts power supply, utilize the startup on-chip power battery of low capacity can realize the emergency starting of automobile, and can take into account automobile starting problem under the low temperature environment, the internal battery energy that makes car emergency start power supply is fully utilized.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the car emergency startup method first embodiment schematic flow sheet of suitable low temperature environment provided by the invention;
Fig. 2 is the car emergency startup method second embodiment schematic flow sheet of suitable low temperature environment provided by the invention;
Fig. 3 is that the car emergency of suitable low temperature environment provided by the invention starts power supply example structure scheme drawing.
The specific embodiment
The car emergency of the car emergency startup method of the suitable low temperature environment that the embodiment of the invention provides and suitable low temperature environment starts power supply, utilize the startup on-chip power battery of low capacity can realize the emergency starting of automobile, and can take into account automobile starting problem under the low temperature environment, the internal battery energy that makes car emergency start power supply is fully utilized.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Referring to Fig. 1, be the car emergency startup method first embodiment schematic flow sheet of suitable low temperature environment provided by the invention, as shown in Figure 1, the car emergency startup method of this suitable low temperature environment comprises:
At step S100, before car emergency starts, start the on-chip power battery automotive battery is carried out low current charge.Start the heat release in the low current charge process of on-chip power battery, make self temperature build-up.Need to prove that battery is because the chemical nature of self can produce heat in discharge process.
At step S101, start the on-chip power battery along with self temperature build-up, capacity resuming.Need to prove that battery is because self characteristics, its electric weight and internal resistance meeting change along with self variation of temperature, and under the situation of battery self drop in temperature, the capacity of battery reduces, and the internal resistance meeting increases; In contrast, under the situation of battery self temperature build-up, the capacity of battery can recover gradually, and the internal resistance meeting reduces gradually.
At step S102, when the temperature of described startup on-chip power battery reaches default temperature threshold, stop low current charge to described automotive battery.Described temperature threshold set up standard for, the capacity of cell of described startup on-chip power battery under this temperature is enough to make automobile starting.So for different startup on-chip power batteries, and in different hardware environment, temperature threshold may be different.Certainly, start the on-chip power battery to the automotive battery process of charging in, the part electric weight that starts in the on-chip power battery has been transferred in the automotive battery.
At step S103, described startup on-chip power battery cooperates with described automotive battery, provides starting current to make automobile starting to automobile starter.
The car emergency startup method of the suitable low temperature environment that the embodiment of the invention provides, utilize the startup on-chip power battery of low capacity can realize the emergency starting of automobile, and can take into account automobile starting problem under the low temperature environment, the internal battery energy that makes car emergency start power supply is fully utilized.
Referring to Fig. 2, be the car emergency startup method second embodiment schematic flow sheet of suitable low temperature environment provided by the invention.In the present embodiment, with the method flow of this car emergency startup of more detailed description, as shown in Figure 2:
At step S200, car emergency starts power supply and receives the emergency starting instruction, judges whether the Current Temperatures of car emergency startup on-chip power battery is lower than temperature threshold, if be judged as is, then execution in step S201; If be judged as not, then execution in step S204.
More specifically, the instruction of this emergency starting is the vehicle drive, and the person directly triggers, and after car emergency starts power supply and receives, judges at first whether the Current Temperatures that car emergency starts the on-chip power battery is lower than temperature threshold.Setting up standard of this temperature threshold is that starting the capacity of cell of on-chip power battery under this temperature is enough to make automobile starting.So if car emergency starts the Current Temperatures of on-chip power battery when being higher than temperature threshold, its electric weight is enough to make automobile directly to start, then execution in step S204 gets final product; When the Current Temperatures of car emergency startup on-chip power battery was lower than temperature threshold, its electric weight can not make automobile directly start, and just needs execution in step S201 and subsequent step.
In actual applications, the setting of temperature threshold and startup on-chip power cell types, and the size of the required electric weight of automobile starting is relevant, is enough to make automobile starting if start the capacity of cell of on-chip power battery under certain temperature, and then being provided with of temperature threshold can be a little more than this temperature.In the ordinary course of things, this temperature threshold can be arranged on about 5 ℃.
At step S201, control starts the on-chip power battery automotive battery is carried out low current charge.
More specifically, after car emergency startup power supply received the emergency starting instruction, its charging control circuit control started on-chip power battery automotive battery is carried out low current charge.In the process that starts the on-chip power battery discharge, can produce heat, make the temperature build-up that starts on-chip power battery self.
At step S202, start the on-chip power battery along with self temperature build-up, capacity resuming.Need to prove that battery is because self characteristics, its electric weight and internal resistance meeting change along with self variation of temperature, and under the situation of battery self drop in temperature, the capacity of battery reduces, and the internal resistance meeting increases; In contrast, under the situation of battery self temperature build-up, the capacity of battery can recover gradually, and the internal resistance meeting reduces gradually.
With the lithium ion battery is example, and because of its intrinsic chemical reaction characteristic, best environment for use temperature is between 10 ℃ ~ 30 ℃.Under low temperature environment, the loading capacity of lithium ion battery can reduce.In the time of-10 ℃, capacity of cell has only 70% of initial capacity.Lithium ion battery is in the process of discharge, and temperature can raise gradually, and capacity of cell is restored gradually.Simultaneously, battery is in the process that heats up, and its internal resistance meeting reduces, make start the on-chip power battery follow-up to the automobile starter discharge in, discharge current is bigger.
At step S203, when the temperature that starts the on-chip power battery reaches default temperature threshold, stop low current charge to described automotive battery.Start the on-chip power battery by little electric current in the electrically-charged process of automotive battery, charge transfers is approximately 1/3 of this startup on-chip power battery self electric quantity to the interior electric weight of automotive battery.
At step S204, described startup on-chip power battery cooperates with described automotive battery, provides starting current to make automobile starting to automobile starter.The mode that startup on-chip power battery cooperates with automotive battery is: a direction described automobile starter higher by voltage in described startup on-chip power battery and the described automotive battery provides starting current.
At step S205, the automobile utilization starts the current start of on-chip power battery and automotive battery output, and car emergency starts flow process and finishes.
In actual applications, characteristics such as specific energy height, long service life, charging and discharging capabilities height, self-discharge rate are low because lithium ion battery has, environmental protection, so, the car emergency startup method of the suitable low temperature environment that the embodiment of the invention provides is to using the lithium cell can be more obvious as the effect of internal battery, and this method can well solve the misgivings that lithium cell uses under low temperature environment.
The car emergency startup method of the suitable low temperature environment that the embodiment of the invention provides before emergency starting, utilizes startup on-chip power battery to charge to automotive battery, makes to start the rising of on-chip power battery temperature, and capacity of cell is restored.Thereby make the startup on-chip power battery of low capacity can realize the emergency starting of automobile, and can take into account the automobile starting problem under the low temperature environment, the internal battery energy that makes the car emergency that is suitable for low temperature environment start power supply is fully utilized.
Referring to Fig. 3, car emergency startup power supply example structure scheme drawing for suitable low temperature environment provided by the invention, as shown in Figure 3, the car emergency that should be suitable for low temperature environment starts power supply and comprises: start on-chip power battery 1, connection starts the charging control circuit 2 of on-chip power battery 1 and automotive battery 5, connects the big current output circuit 3 that starts on-chip power battery 1 and automobile starter 6; And with start on-chip power battery 1 bonded assembly battery management and control system 4.
Charging control circuit 2 is used for when automobile needs emergency starting, and control starts 1 pair of automotive battery of on-chip power battery 5 and carries out low current charge; Make and start 1 heat release in the low current charge process of on-chip power battery, temperature build-up; And when the temperature of described startup on-chip power battery reaches default temperature threshold, control described startup on-chip power battery and stop low current charge described automotive battery.
More specifically, described temperature threshold set up standard for, the capacity of cell of described startup on-chip power battery under this temperature is enough to make automobile starting.So for different startup on-chip power batteries, and in different hardware environment, temperature threshold may be different.
Further, in actual applications, the setting of temperature threshold and startup on-chip power cell types, and the size of the required electric weight of automobile starting is relevant, be enough to make automobile starting if start the capacity of cell of on-chip power battery 1 under certain temperature, then being provided with of temperature threshold can be a little more than this temperature.In the ordinary course of things, this temperature threshold can be arranged on about 5 ℃.And the electric weight that startup on-chip power battery 1 is transferred in the automotive battery 5 by low current charge are approximately 1/3 of this startup on-chip power battery 1 self electric quantity.
Start on-chip power battery 1, be used for before car emergency starts, under the control of charging control circuit 2, automotive battery 5 being carried out low current charge; And heat release in process of charging, make self temperature build-up, capacity resuming; When car emergency starts, start on-chip power battery 1 and cooperate with automotive battery 5, provide starting current by big current output circuit 3 to automobile starter 6.
More specifically, battery is because self chemical nature, and its electric weight and internal resistance meeting change along with self variation of temperature, and under the situation of battery self drop in temperature, the capacity of battery reduces, and the internal resistance meeting increases; In contrast, under the situation of battery self temperature build-up, the capacity of battery can recover gradually, and the internal resistance meeting reduces gradually.With the lithium ion battery is example, and because of its intrinsic chemical reaction characteristic, best environment for use temperature is between 10 ℃ ~ 30 ℃.Under low temperature environment, the loading capacity of lithium ion battery can reduce.In the time of-10 ℃, capacity of cell has only 70% of initial capacity.Lithium ion battery is in the process of discharge, and temperature can raise gradually, and capacity of cell is restored gradually.Simultaneously, battery is in the process that heats up, and its internal resistance meeting reduces, make start on-chip power battery 1 follow-up to the automobile starter discharge in, discharge current is bigger.Need to prove that the capacity of other type cell, internal resistance also can have similar variation with temperature, just to the susceptibility of temperature less than the lithium ion battery height.
Cooperates with described automotive battery 5 starting on-chip power battery 1, provide in the process that starting current makes automobile starting to automobile starter 6: the fit system that starts on-chip power battery 1 and automotive battery 5 is: the higher direction automobile starter 6 of voltage provides starting current in by startup on-chip power battery 1 and automotive battery 5.
Battery management and control system 4 are used to control the circuit that charges and discharge that starts on-chip power battery 1 and switch.
In actual applications, characteristics such as specific energy height, long service life, charging and discharging capabilities height, self-discharge rate are low because lithium ion battery has, environmental protection, so, the car emergency of the suitable low temperature environment that the embodiment of the invention provides starts power supply and uses the lithium cell can be more obvious as the effect of internal battery, and the car emergency that should be suitable for low temperature environment starts power supply can well solve the misgivings that lithium cell uses under low temperature environment.
The car emergency of the suitable low temperature environment that the embodiment of the invention provides starts power supply, before emergency starting, utilize startup on-chip power battery to charge to automotive battery, make and start the rising of on-chip power battery temperature, capacity of cell is restored, thereby make the startup on-chip power battery of low capacity can realize the emergency starting of automobile, and can take into account the automobile starting problem under the low temperature environment, the internal battery energy that makes the car emergency that is suitable for low temperature environment start power supply is fully utilized.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (9)
1. the car emergency startup method of a suitable low temperature environment is characterized in that, comprising:
Before car emergency starts, start the on-chip power battery automotive battery is carried out low current charge; The heat release in the low current charge process of described startup on-chip power battery makes self temperature build-up;
Described startup on-chip power battery is along with self temperature build-up, capacity resuming;
When the temperature of described startup on-chip power battery reaches default temperature threshold, stop low current charge to described automotive battery;
Described startup on-chip power battery cooperates with described automotive battery, provides starting current to make automobile starting to automobile starter.
2. the car emergency startup method of suitable low temperature environment as claimed in claim 1 is characterized in that, described temperature threshold is that the capacity of cell of described startup on-chip power battery under this temperature is enough to make the temperature value of automobile starting.
3. the car emergency startup method of suitable low temperature environment as claimed in claim 1 is characterized in that, described startup on-chip power battery is in the process of self temperature build-up, and its internal resistance reduces.
4. the car emergency startup method of suitable low temperature environment as claimed in claim 1, it is characterized in that, described startup on-chip power battery cooperates with described automotive battery, provide starting current to make in the automobile starting to automobile starter, the mode that described startup on-chip power battery cooperates with described automotive battery is:
The a direction described automobile starter higher by voltage in described startup on-chip power battery and the described automotive battery provides starting current.
5. as the car emergency startup method of each described suitable low temperature environment in the claim 1 to 4, it is characterized in that described startup on-chip power battery is a lithium ion battery.
6. the car emergency of a suitable low temperature environment starts power supply, it is characterized in that, comprise: start the on-chip power battery, connect the charging control circuit of described startup on-chip power battery and automotive battery, connect the big current output circuit of described startup on-chip power battery and automobile starter; And with described startup on-chip power battery bonded assembly battery management and control system;
Described charging control circuit is used for when automobile needs emergency starting, controls described startup on-chip power battery automotive battery is carried out low current charge; Make the heat release in the low current charge process of described startup on-chip power battery, temperature build-up; And when the temperature of described startup on-chip power battery reaches default temperature threshold, control described startup on-chip power battery and stop low current charge described automotive battery;
Described startup on-chip power battery is used under the control of described charging control circuit, automotive battery being carried out low current charge before car emergency starts; And heat release in process of charging, make self temperature build-up, capacity resuming; When car emergency started, described startup on-chip power battery cooperated with described automotive battery, provides starting current by big current output circuit to automobile starter;
Described battery management and control system, the circuit that charges and discharge that is used to control described startup on-chip power battery switches.
7. the car emergency of suitable low temperature environment as claimed in claim 6 starts power supply, it is characterized in that described temperature threshold is that the capacity of cell of described startup on-chip power battery under this temperature is enough to make the temperature value of automobile starting.
8. the car emergency of suitable low temperature environment as claimed in claim 6 starts power supply, it is characterized in that, described startup on-chip power battery is in the process of self temperature build-up, and its internal resistance reduces.
9. the car emergency as claim 7 or 8 described suitable low temperature environments starts power supply, it is characterized in that described startup on-chip power battery is a lithium ion battery.
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| CN104253453A (en) * | 2013-06-27 | 2014-12-31 | 苏州中元动力科技有限公司 | Ternary lithium battery vehicle emergency starting power source |
| CN104638687A (en) * | 2013-11-07 | 2015-05-20 | 苏州中元动力科技有限公司 | Vehicle jump-starter |
| CN104813532A (en) * | 2012-11-30 | 2015-07-29 | 索尼公司 | Battery control device, control method, control system and electric vehicle |
| CN105470599A (en) * | 2015-12-28 | 2016-04-06 | 广东天非尼迪新能源科技有限公司 | Low-temperature environmental molecular activity device of electromobile chemical power source |
| WO2016091187A1 (en) * | 2014-12-10 | 2016-06-16 | 比亚迪股份有限公司 | Automobile starting control system and automobile |
| CN106300470A (en) * | 2015-05-29 | 2017-01-04 | 比亚迪股份有限公司 | Start battery and start the control method of battery and include the automobile of this startup battery |
| CN110435563A (en) * | 2018-05-03 | 2019-11-12 | 上海博泰悦臻网络技术服务有限公司 | Vehicle, vehicle device equipment and its vehicle hot start method |
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| CN106300470B (en) * | 2015-05-29 | 2019-02-26 | 比亚迪股份有限公司 | Start battery and starts the control method of battery and the automobile including the starting battery |
| CN105470599A (en) * | 2015-12-28 | 2016-04-06 | 广东天非尼迪新能源科技有限公司 | Low-temperature environmental molecular activity device of electromobile chemical power source |
| CN110435563A (en) * | 2018-05-03 | 2019-11-12 | 上海博泰悦臻网络技术服务有限公司 | Vehicle, vehicle device equipment and its vehicle hot start method |
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Application publication date: 20110928 Assignee: Xinling Electrical Bicycle (Shenzhen) Co., Ltd. Assignor: HAIRISHEN ELECTRICAL APPLIANCE PRODUCTS (SHENZHEN) CO., LTD. Contract record no.: 2013440020410 Denomination of invention: Automobile emergency starting method and emergency starting power supply suitable for low temperature environment Granted publication date: 20121219 License type: Exclusive License Record date: 20131225 |
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