CN104218390A - Charging protection device and charging plug - Google Patents
Charging protection device and charging plug Download PDFInfo
- Publication number
- CN104218390A CN104218390A CN201410505446.XA CN201410505446A CN104218390A CN 104218390 A CN104218390 A CN 104218390A CN 201410505446 A CN201410505446 A CN 201410505446A CN 104218390 A CN104218390 A CN 104218390A
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- charging
- door
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- protection device
- plug
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- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a charging protection device and a charging plug. The charging protection device comprises a cabinet, a charging socket, a cabinet door, a door locking solenoid valve, a door pushing solenoid valve and a control circuit. To the charging protection device and the matched charging plug, when a storage battery is charged, the latch of the door locking solenoid valve is inserted into jacks not to open the cabinet door, so that the charging plug is limited on the charging protection device not to be extracted; upon completion of charging, the latch of the door locking solenoid valve is retracted from the jacks, the pushing column of the door pushing solenoid valve is extended to open the cabinet door, besides the charging plug can be extracted to ensure the storage battery can be fully charged in each time.
Description
Technical Field
The invention relates to the field of battery charging, in particular to a charging protection device and a charging plug matched with the charging protection device.
Background
The traditional automatic shaft feeding machine is generally used in the field of textiles to improve the production efficiency and reduce the labor intensity. Because the power of the automatic axle-loading vehicle comes from the storage battery, the charging time is related to the voltage capacity of the storage battery, and the service life of the storage battery is directly influenced. The charging and discharging life of a common storage battery is limited by a certain number of times, such as 800 times and 900 times, and if the storage battery is not fully charged each time, the service life of the storage battery is influenced, so that the maintenance cost of equipment is increased. In the actual production process, the phenomenon that the storage battery is not fully charged and is taken away for use often occurs, so that the load of the storage battery is increased, the aging of the electrode is accelerated, the power is insufficient, even the shutdown phenomenon occurs in the production process, and the production efficiency is influenced.
Disclosure of Invention
Therefore, a charging protection device capable of ensuring that a battery is fully charged and a charging plug adapted to the charging protection device are needed.
A charge protection device comprising:
the box body is internally provided with an accommodating cavity, and one side of the box body is provided with an opening;
the charging socket is arranged in the box body and close to the opening side of the box body, and is used for being connected with a charging plug of an external storage battery to charge the external storage battery; a limiting groove is formed in the outer side wall of the charging plug at a position close to the insertion end;
the box door is arranged on the opening side of the box body and is movably connected with the box body; a socket for the charging plug to pass through is formed in the position, corresponding to the charging socket, of the box door, and a limiting bump matched with the limiting groove is formed in the inner wall of the socket of the box door; after the charging plug is inserted into the charging socket, the limiting convex block can extend into the limiting groove and is matched with the groove wall of the limiting groove close to the insertion end to limit the charging plug;
the door locking electromagnetic valve is arranged on the inner side of the door and is provided with a bolt; the inner wall of the box body is provided with a jack matched with the bolt at a position close to the opening side; when the box door is closed, the bolt can be inserted into the jack;
the door pushing electromagnetic valve is arranged in the box body and close to the opening side, is provided with a pushing column and is used for automatically pushing the box door after charging is finished; and
and the control circuit is used for controlling the bolt of the door locking electromagnetic valve to be inserted into the jack and controlling the push column of the door pushing electromagnetic valve to retract during charging, and controlling the bolt of the door locking electromagnetic valve to be pulled out of the jack and controlling the push column of the door pushing electromagnetic valve to extend to push the box door open after charging is finished.
In one embodiment, the control circuit is provided with a limit switch, a contactor, a charging time relay, a time delay sliding door relay, a charging red indicator light and a full green indicator light; wherein,
the limit switch is arranged in the box body and is close to the opening side, when the box door is closed, the inner side wall of the box door extrudes the limit switch to close the limit switch, the contactor and the charging time relay are electrified, the contactor controls the green-filled indicator lamp to be powered off and the charging red indicator lamp to be powered on to indicate that the charging is carried out, the charging time relay starts timing after being electrified, the charging time relay controls the time-delay door-pushing relay and the door-pushing electromagnetic valve to be powered off to enable the push column to retract, and controls the door-locking electromagnetic valve to be powered on to enable the bolt to be inserted into the jack;
when the charging time relay reaches preset time, the charging time relay controls the power-off of the door locking electromagnetic valve to enable the bolt to retract from the jack and controls the power-on of the time-delay door pushing relay, the power-on of the door pushing electromagnetic valve is controlled after the power-on of the time-delay door pushing relay, the pushing column extends out to push the door open, the limit switch is closed to enable the contactor and the charging time relay to be powered off after the door open, and the charging red indicator lamp is powered off and the green indicator lamp is fully charged after the contactor is powered off to indicate that the door is fully charged.
In one embodiment, the control circuit is further provided with a button switch, the button switch is a normally closed switch, and the button switch is used for pressing and controlling the push door electromagnetic valve to be closed in a power-off mode.
In one embodiment, the charging protection device further includes a transformer for operating the control circuit at a constant voltage, and the transformer is disposed on the box and electrically connected to the control circuit.
In one embodiment, the two charging sockets are arranged on the bottom wall of the box body in parallel.
In one embodiment, the jacks are located at two of the charging outlets.
In one embodiment, the charging time relay, the contactor and the time delay pushing door relay are arranged in the box body.
A charging plug is matched with the charging protection device in any one of the embodiments, and comprises a plug body part, one end of the plug body part is electrically connected with a storage battery through a wire, the other end of the plug body part is used for being inserted into a charging socket, and the upper side surface of the plug body is provided with a limiting groove.
When the battery is charged, the bolt of the door locking electromagnetic valve is inserted into the jack, so that the box door cannot be opened, and the charging plug is limited on the charging protection device and cannot be pulled out; after charging, the bolt of the door-locking electromagnetic valve retracts from the jack, the push column of the door-pushing electromagnetic valve extends out to push the door open, the charging plug can be pulled out, and the charging battery can be fully charged at every time.
Drawings
Fig. 1 is a perspective view of a charge protection device according to an embodiment;
fig. 2 is a partially enlarged view of the charge protection device of fig. 1;
fig. 3 is a control circuit diagram of an embodiment of the charge protection device in fig. 1, wherein QS 1: limit switch, KT 1: charging time relay, KT1-1 and KT 1-2: two contacts of the charging time relay, KT 2: delay sliding door relay, KT 2-1: time delay push-door relay contact, KM 1: contactor, KM1-1 and KM 1-2: two contacts of the contactor, L1 red: charging red indicator light, L2 green: full green indicator, D1: push-gate solenoid valve, D2: door lock solenoid valve, SB 1: a push button switch.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a charging protection device 10 according to an embodiment is used for protecting a battery during charging, and preventing a charging plug 20 from being pulled out during charging of the battery, so as to ensure that the battery can be fully charged during each charging. The charging protection device 10 includes a box 100, a charging socket 200, a box door 300, a door locking solenoid valve 400, a door pushing solenoid valve 500, and a control circuit 600. The control circuit 600 is used for controlling the door locking solenoid 400 to lock the door 300 on the box body 100 during charging and automatically push the door 300 open after charging is finished.
The box 100 has a receiving cavity therein and an opening at one side. The box 100 of this embodiment has a hollow rectangular parallelepiped structure without one side surface.
The charging receptacle 200 is provided in the case 100 and is disposed near the opening side of the case 100. The charging socket 200 is used for being connected with a charging plug 20 of an external storage battery to charge the external storage battery. In this embodiment, there are two charging sockets 200 for simultaneously charging two batteries of the automatic spinning reel loader. Two charging sockets 200 are provided side by side on the bottom wall of the case 100. It is understood that in other embodiments, the number of the charging sockets 200 is not limited to two, such as 1, 3 or more, and the like, and the arrangement position of the charging sockets 200 is not limited to the bottom wall of the box 100, such as the side wall, and the like.
The shape and structure of the charging plug 20 of the present embodiment are adapted to the charging protection device 10. One end of the plug body of the charging plug 20 is electrically connected to the battery through a wire, and the other end is inserted into the charging socket 200. The outer side wall of the plug body of the charging plug 20, such as the upper side surface, is provided with a limiting groove 22. The stopper groove 200 does not extend to the insertion end of the charging plug 20.
The door 300 is provided at the opening side of the cabinet 100. The door 300 is movably coupled to the cabinet 100, such as by a hinge, so that the door 300 can rotate relative to the cabinet 100. The door 300 has a socket 302 for inserting the charging plug 20 at a position corresponding to the charging socket 200. The door 300 has a limiting protrusion 310 fitted with the limiting groove 22 on the inner wall of the insertion opening 302. When the charging plug 20 is inserted into the charging socket 200, the door 300 is rotated to the closed state, and the limiting protrusion 310 can extend into the limiting groove 22 and cooperate with the groove wall of the limiting groove 22 close to the insertion end to limit the charging plug 20.
The door-locking solenoid valve 400 is provided at the inner side of the door 300. The door-locking solenoid valve 400 is provided with a bolt 410, and when the door-locking solenoid valve 400 is electrified, the bolt 410 extends; when the door lock solenoid valve 400 is de-energized, the latch 410 retracts. The inner wall of the case 100 is provided with a socket 102 adapted to the latch 410 at a position near the opening side. When the door 300 is closed, the latch 410 can be inserted into the receptacle 102. In the present embodiment, the insertion hole 102 is provided between the two charging sockets 200.
The door-pushing solenoid valve 500 is disposed in the case 100 at a position near the opening side, and is configured to automatically push the door 300 open after the charging is completed. The push gate solenoid valve 500 has a push post 510, and when the push gate solenoid valve 500 is powered on, the push post 510 extends; when the push gate solenoid valve 500 is de-energized, the push post 510 retracts. In the present embodiment, the push gate solenoid valve 500 is provided at a corner position of the case 100.
The control circuit 600 is used for controlling the plug 410 of the door-locking solenoid valve 400 to be inserted into the receptacle 102 and controlling the push post 510 of the door-pushing solenoid valve 500 to be retracted when charging is performed, and controlling the plug 410 of the door-locking solenoid valve 400 to be pulled out of the receptacle 102 and controlling the push post 510 of the door-pushing solenoid valve 500 to be extended to push the door 300 open after charging is completed. In the present embodiment, the control circuit 600 is provided with a limit switch 610, a push switch 620, a contactor 630, a charging time relay 640, a delay door-pushing relay 650, a charging red indicator lamp 660, and a full green indicator lamp 670.
The limit switch 610 is provided in the cabinet 100 and is disposed near the opening side, and when the door 300 is closed, the inner sidewall of the door 300 presses the limit switch 610 to close the limit switch 610. The button switch 620, the charge red indicator lamp 660, and the full green indicator lamp 670 are disposed side by side on the upper sidewall of the case 100. The contactor 630, the charging time relay 640 and the time delay sliding door relay 650 are disposed in the cabinet 100.
Referring to fig. 1 and 3, when the door 300 is closed, the door 300 closes the limit switch 610, and the contactor 630 and the charging time relay 640 are powered on. When the contactor 630 is energized, the full green indicator 670 is controlled to de-energize and the charge red indicator 660 is energized to indicate charging. After the charging time relay 640 is powered on, timing is started, the delay sliding relay 650 and the sliding solenoid valve 500 are controlled to be powered off to retract the push rod 510, and the door locking solenoid valve 400 is controlled to be powered on to insert the plug 410 into the jack 102.
When the charging time relay 640 times and reaches a preset time, for example, after charging for 8 hours, the charging time relay 640 controls the power-off of the door-locking solenoid valve 400 to retract the latch 410 from the jack 102, and controls the power-on of the time-delay door-pushing relay 650. After the time delay door pushing relay 650 is electrified, the door pushing electromagnetic valve 500 is controlled to be electrified, so that the pushing column 510 extends out to push the door 300 open. When the door 300 is pushed open, the limit switch 610 is closed to turn off the contactor 630 and the charging time relay 640. The contactor 630 is de-energized to de-energize the charge red indicator 660 and energize the full green indicator 670 to indicate full.
The push button switch 620 is used to press the control push gate solenoid valve 500 off. The button switch 620 is a normally closed switch to protect the door 300 from being closed and locked to the cabinet 100 in a non-charging state. It is understood that in other embodiments, the control circuit 600 may not provide the button switch 620, and the door 300 may be opened in the non-charging state by other mechanisms.
In addition, in the present embodiment, the charge protection device 10 further includes a transformer 700 for operating the control circuit 600 at a constant voltage, for example, to maintain the operating voltage at a constant voltage such as 24V. The transformer 700 is disposed on the case 100 and electrically connected to the control circuit 600.
It is understood that, in other embodiments, the circuit diagram of the control circuit 600 is not limited to that shown in fig. 3, as long as the control circuit 600 can lock the door 300 when the battery is charged and automatically push the door 300 when the battery is fully charged.
When the battery is charged, the plug 410 of the door-locking solenoid valve 400 is inserted into the jack 102, and the push column 510 of the door-pushing solenoid valve 500 retracts, so that the door 300 cannot be opened, and the charging plug 20 is limited on the charging protection device 10 and cannot be pulled out; after charging is finished, the plug 410 of the door-locking solenoid valve 400 retracts from the jack 102, the push column 510 of the door-pushing solenoid valve 500 extends to push the door 300 open, the charging plug 20 can be pulled out, and it can be ensured that the charging battery is fully charged every time.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A charge protection device, comprising:
the box body is internally provided with an accommodating cavity, and one side of the box body is provided with an opening;
the charging socket is arranged in the box body and close to the opening side of the box body, and is used for being connected with a charging plug of an external storage battery to charge the external storage battery; a limiting groove is formed in the outer side wall of the charging plug at a position close to the insertion end;
the box door is arranged on the opening side of the box body and is movably connected with the box body; a socket for the charging plug to pass through is formed in the position, corresponding to the charging socket, of the box door, and a limiting bump matched with the limiting groove is formed in the inner wall of the socket of the box door; after the charging plug is inserted into the charging socket, the limiting convex block can extend into the limiting groove and is matched with the groove wall of the limiting groove close to the insertion end to limit the charging plug;
the door locking electromagnetic valve is arranged on the inner side of the door and is provided with a bolt; the inner wall of the box body is provided with a jack matched with the bolt at a position close to the opening side; when the box door is closed, the bolt can be inserted into the jack;
the door pushing electromagnetic valve is arranged in the box body and close to the opening side, is provided with a pushing column and is used for automatically pushing the box door after charging is finished; and
and the control circuit is used for controlling the bolt of the door locking electromagnetic valve to be inserted into the jack and controlling the push column of the door pushing electromagnetic valve to retract during charging, and controlling the bolt of the door locking electromagnetic valve to be pulled out of the jack and controlling the push column of the door pushing electromagnetic valve to extend to push the box door open after charging is finished.
2. The charging protection device of claim 1, wherein the control circuit is provided with a limit switch, a contactor, a charging time relay, a time delay sliding door relay, a charging red indicator light and a full green indicator light; wherein,
the limit switch is arranged in the box body and is close to the opening side, when the box door is closed, the inner side wall of the box door extrudes the limit switch to close the limit switch, the contactor and the charging time relay are electrified, the contactor controls the green-filled indicator lamp to be powered off and the charging red indicator lamp to be powered on to indicate that the charging is carried out, the charging time relay starts timing after being electrified, the charging time relay controls the time-delay door-pushing relay and the door-pushing electromagnetic valve to be powered off to enable the push column to retract, and controls the door-locking electromagnetic valve to be powered on to enable the bolt to be inserted into the jack;
when the charging time relay reaches preset time, the charging time relay controls the power-off of the door locking electromagnetic valve to enable the bolt to retract from the jack and controls the power-on of the time-delay door pushing relay, the power-on of the door pushing electromagnetic valve is controlled after the power-on of the time-delay door pushing relay, the pushing column extends out to push the door open, the limit switch is closed to enable the contactor and the charging time relay to be powered off after the door open, and the charging red indicator lamp is powered off and the green indicator lamp is fully charged after the contactor is powered off to indicate that the door is fully charged.
3. The charging protection device of claim 2, wherein the control circuit is further provided with a button switch, the button switch is a normally closed switch, and the button switch is used for controlling the push-gate solenoid valve to be pressed to be closed in a power-off mode.
4. The charge protection device of claim 3, further comprising a transformer for operating said control circuit at a constant voltage, said transformer being disposed on said case and electrically connected to said control circuit.
5. The charging protection device of claim 4, wherein two of said charging sockets are juxtaposed on a bottom wall of said case.
6. The charge protection device of claim 5, wherein said receptacle is positioned between two of said charging outlets.
7. The charging protection device of claim 6, wherein said charging time relay, said contactor, and said time delay push-door relay are disposed in said case.
8. A charging plug is matched with the charging protection device of any one of claims 1 to 7, and comprises a plug body part, one end of the plug body part is electrically connected with a battery through a lead, the other end of the plug body part is used for being inserted into the charging socket, and the upper side surface of the plug body is provided with the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505446.XA CN104218390B (en) | 2014-09-26 | 2014-09-26 | Charge protection device and charging plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505446.XA CN104218390B (en) | 2014-09-26 | 2014-09-26 | Charge protection device and charging plug |
Publications (2)
| Publication Number | Publication Date |
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| CN104218390A true CN104218390A (en) | 2014-12-17 |
| CN104218390B CN104218390B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410505446.XA Active CN104218390B (en) | 2014-09-26 | 2014-09-26 | Charge protection device and charging plug |
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| Country | Link |
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| CN (1) | CN104218390B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342610A (en) * | 2017-07-19 | 2017-11-10 | 广东名门锁业有限公司 | Automatic charging device for magnetic door lock |
| CN108063342A (en) * | 2017-12-18 | 2018-05-22 | 帅竞贤 | A kind of sweeping robot charging adapter assembly automatically controlled |
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|---|---|---|---|---|
| US5934918A (en) * | 1996-10-16 | 1999-08-10 | Daimler-Benz Aktiengesellschaft | Locking device for protecting a vehicle charge socket |
| EP1956685A2 (en) * | 2007-02-09 | 2008-08-13 | Abb Ag | Installation device with a cap-like flip lid |
| CN201466293U (en) * | 2009-03-16 | 2010-05-12 | 张大庆 | Flip safety power supply socket |
| CN102931534A (en) * | 2011-08-12 | 2013-02-13 | 许宏伟 | Locking control device for automobile charging electric lock |
| CN203398828U (en) * | 2013-07-15 | 2014-01-15 | 国家电网公司 | Timing charging case |
| CN204130824U (en) * | 2014-09-26 | 2015-01-28 | 广东溢达纺织有限公司 | Charge protection device and charging plug |
-
2014
- 2014-09-26 CN CN201410505446.XA patent/CN104218390B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5934918A (en) * | 1996-10-16 | 1999-08-10 | Daimler-Benz Aktiengesellschaft | Locking device for protecting a vehicle charge socket |
| EP1956685A2 (en) * | 2007-02-09 | 2008-08-13 | Abb Ag | Installation device with a cap-like flip lid |
| CN201466293U (en) * | 2009-03-16 | 2010-05-12 | 张大庆 | Flip safety power supply socket |
| CN102931534A (en) * | 2011-08-12 | 2013-02-13 | 许宏伟 | Locking control device for automobile charging electric lock |
| CN203398828U (en) * | 2013-07-15 | 2014-01-15 | 国家电网公司 | Timing charging case |
| CN204130824U (en) * | 2014-09-26 | 2015-01-28 | 广东溢达纺织有限公司 | Charge protection device and charging plug |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342610A (en) * | 2017-07-19 | 2017-11-10 | 广东名门锁业有限公司 | Automatic charging device for magnetic door lock |
| CN108063342A (en) * | 2017-12-18 | 2018-05-22 | 帅竞贤 | A kind of sweeping robot charging adapter assembly automatically controlled |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104218390B (en) | 2016-07-13 |
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