CN208908374U - Charge safeguard and charger - Google Patents
Charge safeguard and charger Download PDFInfo
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- CN208908374U CN208908374U CN201821592773.3U CN201821592773U CN208908374U CN 208908374 U CN208908374 U CN 208908374U CN 201821592773 U CN201821592773 U CN 201821592773U CN 208908374 U CN208908374 U CN 208908374U
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- chamber
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- detecting device
- protective housing
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Abstract
The utility model provides a kind of charging safeguard and charger, wherein, a kind of charging safeguard, comprising: protective housing, it is equipped with the first chamber for being used for placing battery and the second chamber equipped with extinguishing chemical in protective housing, and is equipped with the first passage of connection first chamber and second chamber；Mist detecting device is set in first chamber；Switching device is set in first passage, and is electrically connected with mist detecting device, to open first passage when mist detecting device detects smog.By the technical solution of the utility model, the kindling or risk of explosion for detecting may occur in advance are realized, and handled it in time, effectively reduce the risk caught fire and exploded in battery charging process, improve safety when battery charging.
Description
Technical field
The utility model relates to battery charging protection fields, fill in particular to a kind of charging safeguard and one kind
Electric appliance.
Background technique
As the propulsion of new national standard is implemented, electric bicycle complete vehicle weight determines that national standard vehicle cannot make again with mileages of continuation
With lead-acid battery, lithium battery can only be selected, and lithium battery market is also immature at present, in charging, there are the risks of spontaneous combustion, and
Easily cause explosion.In the related technology, in charging, battery is protected by lithium electric protection plate, prevents lithium battery from overcharging
Or short-circuit protection.But there is also the risks of biggish shielding failure for lithium electric protection plate, if there are failures for lithium electric protection plate, and fill
Electric appliance always charges to lithium battery, will lead to lithium battery overcharge or short circuit, to cause security risk.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
For this purpose, one of the utility model is designed to provide a kind of charging safeguard.
Another of the utility model is designed to provide a kind of charger.
To achieve the goals above, the embodiments of the present invention provide a kind of charging safeguard, comprising: protection
Case, is equipped in protective housing for the first chamber of placing battery and the second chamber equipped with extinguishing chemical, and is equipped with the first chamber of connection
The first passage of room and second chamber；Mist detecting device is set in first chamber；Switching device is set in first passage, and
It is electrically connected with mist detecting device, to open first passage when mist detecting device detects smog.
Charging safeguard provided by the utility model, including protective housing, mist detecting device and switching device, specifically
Ground is equipped with first chamber and second chamber in protective housing, and is equipped with the first passage of connection first chamber and second chamber,
In, placing battery is used in first chamber, second chamber to be provided with extinguishing chemical.By the way that mist detecting device is set to first chamber
In, switching device is set in first passage and is electrically connected with mist detecting device, detects first chamber in mist detecting device
In when having smog, switching device opens first passage, and the extinguishing chemical in second chamber can be made to enter first by first passage
In chamber, to realize the kindling or risk of explosion for detecting may occur in advance, and handles it in time, effectively reduce battery
The risk caught fire and exploded in charging process improves safety when battery charging.
In addition, the charging safeguard in above-described embodiment provided by the utility model can also have following supplementary technology
Feature:
In the above-mentioned technical solutions, it is preferable that first chamber is formed with the second channel being connected to outside protective housing, smog
Detection device is equipped in second channel.
In the technical scheme, since smog is lighter, all it is to flow from the bottom up under normal circumstances, passes through first chamber
Top be formed with the second channel being connected to outside protective housing, mist detecting device is equipped in second channel, can have cigarette
When mist generates, smog is rapidly detected, and then be conducive to make corresponding processing in time, further improve safety.
Wherein, optionally, second channel is straight channel.
In any of the above-described technical solution, it is preferable that further include: blower is set in second channel, for making first chamber
Interior air-flow is along second channel to the flows outside of protective housing.
In the technical scheme, by the way that blower is arranged in the second channel, the gas in first chamber can be made by blower
It flows along second channel to the flows outside of protective housing, and then smog can be made to flow to Smoke Detection rapidly when generating smog
At device, to improve the efficiency and reliability of detection smog, be conducive to further decrease the wind for catching fire or exploding when battery charging
Danger.
In any of the above-described technical solution, it is preferable that further include: filtration members are set in second channel.
In the technical scheme, by the way that filtration members are arranged in the second channel, foreign matter can be reduced from second channel
Into in first chamber, and then be conducive to improve the safety and reliability that battery charging is.
Optionally, position of the second channel of filtration members setting between mist detecting device and protective housing outside, this
When, it is to be capable of the structure of filter smoke by setting filtration members, smog can be reduced and entered in external environment, improves to external rings
The protection in border, to reduce the damage to personnel.
It should be noted that when portion of the second channel between mist detecting device and first chamber is arranged in filtration members
When position, filtration members are set as being unable to the structure of filter smoke.
In any of the above-described technical solution, it is preferable that first chamber is located at the lower section of second chamber；And/or first chamber
Interior air pressure is less than the air pressure in second chamber.
In the technical scheme, the lower section of second chamber is located at by first chamber, first can be opened in switching device
It when channel, falls under gravity into the extinguishing chemical in second chamber on the battery in first chamber, has structure simple,
The advantages of high reliablity.
It is less than the air pressure in second chamber by the air pressure in first chamber, first passage can be opened in switching device
When, it sprays the extinguishing chemical in second chamber under the effect of the pressure on the battery into first chamber, further reduced electricity
The risk caught fire or exploded when pond is charged.
In any of the above-described technical solution, it is preferable that further include: temperature-detecting device, be set to first chamber in, and with open
Device electrical connection is closed, when the temperature that temperature-detecting device detects is higher than preset temperature, switching device is opened to be connected first
Channel.
In the technical scheme, by the way that the temperature-detecting device being electrically connected with switching device is arranged in the first chamber, and
When the temperature that temperature-detecting device detects is higher than preset temperature, switching device is opened so that first passage is connected, can be into one
Step is caught fire when reducing battery charging or the risk of explosion.
Wherein, it should be noted that battery is possible to explode due to overheat in the case where not generating smog, passes through
Temperature-detecting device is set, can be effectively reduced above-mentioned risk.
In any of the above-described technical solution, it is preferable that extinguishing chemical includes sand and soil.
In the technical scheme, it is sand or soil by setting extinguishing chemical, can reduce use cost, improve economy
And practicability.
In any of the above-described technical solution, it is preferable that further include: third chamber is set in protective housing, fills in third chamber
There is water；Third channel, one end connect third chamber, and the other end connects first chamber；Water valve is set in third channel, and and cigarette
The electrical connection of mist detection device, when mist detecting device detects smog, water valve is opened so that third channel is connected.
In the technical scheme, it is provided with third chamber in protective housing, water is housed in third chamber, and third chamber and the
It is provided with third channel between one chamber, the water valve being electrically connected with mist detecting device is provided in third channel, is examined in smog
When survey device detects smog, water valve is opened so that third channel is connected.Through the above scheme, battery charging can be further decreased
When catch fire or explosion risk, improve battery charging when safety, reduce personnel's property loss.Meanwhile there is at low cost, warp
The high advantage of Ji property.
Optionally, third chamber is located at the top of first chamber, and third channel is straight channel.
Optionally, it is provided on protective housing and is used to open the first door body of first chamber, is used to open the of second chamber
Two door body and the third door body for being used to open third chamber.
In any of the above-described technical solution, it is preferable that further include: support leg, set on the front end of protective housing bottom；Idler wheel,
Set on the rear end of protective housing bottom.
In the technical scheme, support leg is arranged by the front end in protective housing bottom, and in the rear end of protective housing bottom
Idler wheel is set, and on the one hand protective housing easy to remove, is on the other hand capable of fixing protective housing and is placed on a certain position, will not be free
Sliding, convenience and practicability are high.
The embodiment of the utility model second aspect provides a kind of charger, comprising: in any of the above-described technical solution
Charging safeguard；Charger body is set in protective housing, external outside protective housing with extending in charger body
Plug and extend to charging plug in first chamber；Wherein, external plug is connected to alternating current, and charging plug is connected to battery, with
Realization charges the battery.
In the technical scheme, anti-with extending in charger body by the way that charger body to be set in protective housing
External plug outside protecting box and charging plug in first chamber is extended to, alternating current can be connected in external plug, charging is inserted
When head is connected to battery, realization is charged the battery, practicability and high reliablity, and be can be realized and detected may occur in advance
Kindling or risk of explosion, and handle it in time, effectively reduce the risk caught fire and exploded in battery charging process, improve
Safety when battery charging.
In any of the above-described technical solution, it is preferable that further include: power-off protection apparatus is set in charger body, and with
Mist detecting device electrical connection, when mist detecting device detects smog, power-off protection apparatus cuts off charger body and electricity
Connection between pond.
In the technical scheme, it is filled by the way that the power-off protection being electrically connected with mist detecting device is arranged in charger body
It sets, can be cut off between charger body and battery when mist detecting device detects smog by power-off protection apparatus
Connection greatly improves safety when battery charging to further reduced in battery charging process the risk caught fire and exploded
Property.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 shows the schematic cross-sectional view of the charging safeguard of one embodiment according to the present utility model.
Wherein, the corresponding relationship in Fig. 1 between appended drawing reference and component names are as follows:
102 protective housings, 104 first chambers, 106 second chambers, 108 batteries, 110 extinguishing chemicals, 112 mist detecting devices,
114 switching devices, 116 second channels, 118 blowers, 120 filtration members, 122 temperature-detecting devices, 124 third chambers, 126 water,
128 third channels, 130 water valves, 132 support legs, 134 idler wheels.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Referring to Fig. 1 description according to the charging safeguard of some embodiments of the utility model.
As shown in Figure 1, charging safeguard provided by the utility model, including protective housing 102, mist detecting device 112
It is specifically equipped with first chamber 104 and second chamber 106 in protective housing 102 with switching device 114, and is equipped with the first chamber of connection
The first passage of room 104 and second chamber 106, wherein placing battery 108 is used in first chamber 104, in second chamber 106
Equipped with extinguishing chemical 110.
By by mist detecting device 112 be set to first chamber 104 in, switching device 114 be set to first passage in and with
Mist detecting device 112 is electrically connected, when mist detecting device 112, which detects, has smog in first chamber 104, switching device
114 open first passage, and the extinguishing chemical 110 in second chamber 106 can be made to enter in first chamber 104 by first passage,
It to realize the kindling or risk of explosion that detect may occur in advance, and handles it in time, effectively reduces the charging of battery 108
The risk caught fire and exploded in the process improves safety when battery 108 charges.
In a specific embodiment of the utility model, as shown in Figure 1, having charging plug, battery in first chamber 104
108 place in first chamber 104, and connect with charging plug to charge, and when battery 108 overcharges or is short-circuit, cause
Smog can be generated before fire or explosion, by the way that mist detecting device 112 is arranged in first chamber 104, can be effectively detected
It is sent to switching device 114 to the smog in first chamber 104, and by smoke signal, then opens the by switching device 114
One channel.Wherein, it should be noted that if being not received by smoke signal, switching device 114 closes first passage.Pass through
Above scheme enables the extinguishing chemical 110 in second chamber 106 to enter in first chamber 104 by first passage, and realization mentions
The kindling or risk of explosion that preceding detection may occur, and handle it in time, it effectively reduces and catches fire in 108 charging process of battery
And the risk of explosion, improve safety when battery 108 charges.
Wherein, optionally, protective housing 102 is made of high-intensitive explosion-proof lamp.
Optionally, as shown in Figure 1, first chamber 104 is located at the lower section of second chamber 106, first passage is to be connected to the
Straight channel between one chamber 104 and second chamber 106.
In some embodiments of the utility model, as shown in Figure 1, the top of first chamber 104 be formed be connected to it is anti-
Second channel 116 outside protecting box 102, mist detecting device 112 are equipped in second channel 116.
In this embodiment, since smog is lighter, all it is to flow from the bottom up under normal circumstances, passes through first chamber
104 top is formed with the second channel 116 being connected to outside protective housing 102, and mist detecting device 112 is equipped with second channel
In 116, smog can be rapidly detected when there is smoke creating, and then be conducive to make corresponding processing in time, further
Improve safety.
Wherein, optionally, second channel 116 is straight channel.
In some embodiments of the utility model, as shown in Figure 1, charging safeguard further include: blower 118 is set to
In second channel 116, for making flows outside of the air-flow in first chamber 104 along second channel 116 to protective housing 102.
In this embodiment, by the way that blower 118 is arranged in second channel 116, first chamber can be made by blower 118
Air-flow in 104, to the flows outside of protective housing 102, and then can keep smog rapid along second channel 116 when generating smog
It flows at mist detecting device 112, to improve the efficiency and reliability of detection smog, is conducive to further decrease battery 108
The risk caught fire or exploded when charging.
In some embodiments of the utility model, as shown in Figure 1, charging safeguard further include: filtration members 120, if
In second channel 116.
In this embodiment, by the way that filtration members 120 are arranged in second channel 116, foreign matter can be reduced from second
Channel 116 enters in first chamber 104, and then is conducive to improve the safety and reliability that the charging of battery 108 is.
Optionally, the second channel 116 that filtration members 120 are arranged is located at 102 outside of mist detecting device 112 and protective housing
Between position, at this point, by setting filtration members 120 be to be capable of the structure of filter smoke, smog can be reduced and enter external environment
In, the protection to external environment is improved, to reduce the damage to personnel.
It should be noted that being located at mist detecting device 112 and the first chamber in second channel 116 when filtration members 120 are arranged
When position between room 104, filtration members 120 are set as being unable to the structure of filter smoke.
In some embodiments of the utility model, as shown in Figure 1, first chamber 104 is located under second chamber 106
Side；And/or the air pressure in first chamber 104 is less than the air pressure in second chamber 106.
In this embodiment, the lower section of second chamber 106 is located at by first chamber 104, can be beaten in switching device 114
When opening first passage, the extinguishing chemical 110 in second chamber 106 is made to fall under gravity into the battery in first chamber 104
On 108, have structure simple, the advantages of high reliablity.
It is less than the air pressure in second chamber 106 by the air pressure in first chamber 104, can be opened in switching device 114
When first passage, the extinguishing chemical 110 in second chamber 106 is made to spray the battery into first chamber 104 under the effect of the pressure
On 108, the risk caught fire or exploded when battery 108 charges further reduced.
In some embodiments of the utility model, as shown in Figure 1, charging safeguard further include: temperature-detecting device
122, it is set in first chamber 104, and be electrically connected with switching device 114, is higher than in the temperature that temperature-detecting device 122 detects
When preset temperature, switching device 114 is opened so that first passage is connected.
In this embodiment, by the way that the temperature-detecting device being electrically connected with switching device 114 is arranged in first chamber 104
122, and when the temperature that temperature-detecting device 122 detects is higher than preset temperature, switching device 114 is opened logical to be connected first
Road can further decrease the risk caught fire or exploded when battery 108 charges.
Wherein, it should be noted that battery 108 is possible to explode due to overheat in the case where not generating smog,
By the way that temperature-detecting device 122 is arranged, above-mentioned risk can be effectively reduced.
In some embodiments of the utility model, as shown in Figure 1, extinguishing chemical 110 includes sand and soil.
In this embodiment, it is sand or soil by setting extinguishing chemical 110, can reduce use cost, improve economy
Property and practicability.
In some embodiments of the utility model, as shown in Figure 1, charging safeguard further include: third chamber 124,
In protective housing 102, water 126 is housed in third chamber 124；Third channel 128, one end connect third chamber 124, the other end
Connect first chamber 104；126 valve of water is set in third channel 128, and is electrically connected with mist detecting device 112, examines in smog
When survey device 112 detects smog, 126 valve of water is opened so that third channel 128 is connected.
In this embodiment, it is provided with third chamber 124 in protective housing 102, water 126 is housed in third chamber 124, and the
It is provided with third channel 128 between three chambers 124 and first chamber 104, is provided in third channel 128 and mist detecting device
126 valve of water of 112 electrical connections, when mist detecting device 112 detects smog, 126 valve of water is opened so that third channel is connected
128.Through the above scheme, the risk caught fire or exploded when battery 108 charges can be further decreased, battery 108 is improved and charges
When safety, reduce personnel's property loss.Meanwhile there is at low cost, the high advantage of economy.
Optionally, third chamber 124 is located at the top of first chamber 104, and third channel 128 is straight channel.
Optionally, it is provided on protective housing 102 and is used to open the first door body of first chamber 104, is used to open the second chamber
Second door body of room 106 and the third door body for being used to open third chamber 124.
In some embodiments of the utility model, as shown in Figure 1, charging safeguard further include: support leg 132, if
In the front end of 102 bottom of protective housing；Idler wheel 134, set on the rear end of 102 bottom of protective housing.
In this embodiment, support leg 132 is arranged by the front end in 102 bottom of protective housing, and in 102 bottom of protective housing
Rear end idler wheel 134 is set, on the one hand protective housing 102 easy to remove, is on the other hand capable of fixing protective housing 102 and is placed on certain
One position, will not be free to slide, and convenience and practicability are high.
The charger that the embodiments of the present invention provide, comprising: the charging safeguard in any of the above-described embodiment；
Charger body is set in protective housing 102, is had the external plug extended to outside protective housing 102 in charger body and is prolonged
Extend to charging plug in first chamber 104；Wherein, external plug is connected to alternating current, and charging plug is connected to battery 108, with reality
Now charge to battery 108.
In this embodiment, anti-with extending in charger body by the way that charger body to be set in protective housing 102
External plug outside protecting box 102 and charging plug in first chamber 104 is extended to, alternating current can be connected in external plug,
When charging plug is connected to battery 108, realization charges to battery 108, practicability and high reliablity, and can be realized in advance
Detect the kindling or risk of explosion that may occur, and handle it in time, effectively reduce in 108 charging process of battery kindling and
The risk of explosion improves safety when battery 108 charges.
In some embodiments of the utility model, charge safeguard further include: power-off protection apparatus is set to charger
It in main body, and is electrically connected with mist detecting device 112, when mist detecting device 112 detects smog, power-off protection apparatus is cut
Connection between disconnected charger body and battery 108.
In this embodiment, by the way that the power-off protection being electrically connected with mist detecting device 112 is arranged in charger body
Device can cut off charger body and battery by power-off protection apparatus when mist detecting device 112 detects smog
Connection between 108 greatly improves battery to further reduced in 108 charging process of battery the risk caught fire and exploded
Safety when 108 charging.
The technical solution of the utility model is had been described in detail above with reference to the accompanying drawings, charging protection provided by the utility model is set
It is standby, including protective housing, mist detecting device and switching device, specifically, equipped with first chamber and second chamber in protective housing, and
First passage equipped with connection first chamber and second chamber, wherein placing battery is used in first chamber, second chamber to be built-in
There is extinguishing chemical.By the way that mist detecting device to be set in first chamber, switching device is set in first passage and and Smoke Detection
Device electrical connection, when mist detecting device, which detects, has smog in first chamber, switching device opens first passage, can make
Extinguishing chemical in second chamber is entered in first chamber by first passage, thus realize the kindling that may occur of detection in advance or
Risk of explosion, and handle it in time, the risk caught fire and exploded in battery charging process is effectively reduced, battery is improved and fills
Safety when electric.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as
Indication or suggestion relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In the description of the utility model, it is to be understood that term " on ", "lower", "left", "right", "front", "rear" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or unit of indication or suggestion meaning there must be specific direction, with specific orientation construction
And operation, it is thus impossible to be construed as a limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of charging safeguard characterized by comprising
Protective housing, is equipped in the protective housing for the first chamber of placing battery and the second chamber equipped with extinguishing chemical, and sets
There is the first passage for being connected to the first chamber and the second chamber；
Mist detecting device is set in the first chamber；
Switching device is set in the first passage, and is electrically connected with the mist detecting device, to fill in the Smoke Detection
It sets when detecting smog, opens the first passage.
2. charging safeguard according to claim 1, which is characterized in that
The first chamber is formed with the second channel being connected to outside the protective housing, and the mist detecting device is equipped with described
In second channel.
3. charging safeguard according to claim 2, which is characterized in that further include:
Blower is set in the second channel, for preventing the air-flow in the first chamber to described along the second channel
The flows outside of protecting box.
4. charging safeguard according to claim 2, which is characterized in that further include:
Filtration members are set in the second channel.
5. charging safeguard according to any one of claim 1 to 4, which is characterized in that
The first chamber is located at the lower section of the second chamber；And/or
Air pressure in the first chamber is less than the air pressure in the second chamber.
6. charging safeguard according to any one of claim 1 to 4, which is characterized in that further include:
Temperature-detecting device is set in the first chamber, and is electrically connected with the switching device, in the temperature-detecting device
When the temperature detected is higher than preset temperature, the switching device is opened so that the first passage is connected.
7. charging safeguard according to any one of claim 1 to 4, which is characterized in that
The extinguishing chemical includes sand and soil.
8. charging safeguard according to any one of claim 1 to 4, which is characterized in that further include:
Third chamber is set in the protective housing, and water is housed in the third chamber；
Third channel, one end connect the third chamber, and the other end connects the first chamber；
Water valve is set in the third channel, and is electrically connected with the mist detecting device, detects in the mist detecting device
When to smog, the water valve is opened so that the third channel is connected.
9. charging safeguard according to any one of claim 1 to 4, which is characterized in that further include:
Support leg, set on the front end of the protective housing bottom；
Idler wheel, set on the rear end of the protective housing bottom.
10. a kind of charger characterized by comprising
Charging safeguard as claimed in any one of claims 1-9 wherein；
Charger body is set in the protective housing, outer outside the protective housing with extending in the charger body
Plug and extend to charging plug in the first chamber；
Wherein, the external plug is connected to alternating current, and the charging plug is connected to battery, is charged the battery with realizing.
11. charger according to claim 10, which is characterized in that further include:
Power-off protection apparatus is set in the charger body, and is electrically connected with the mist detecting device, examines in the smog
When survey device detects smog, the power-off protection apparatus cuts off the connection between the charger body and the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592773.3U CN208908374U (en) | 2018-09-28 | 2018-09-28 | Charge safeguard and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592773.3U CN208908374U (en) | 2018-09-28 | 2018-09-28 | Charge safeguard and charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208908374U true CN208908374U (en) | 2019-05-28 |
Family
ID=66613936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821592773.3U Active CN208908374U (en) | 2018-09-28 | 2018-09-28 | Charge safeguard and charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208908374U (en) |
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2018
- 2018-09-28 CN CN201821592773.3U patent/CN208908374U/en active Active
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