CN216489855U - Quick isolating and replacing device for storage battery - Google Patents

Quick isolating and replacing device for storage battery Download PDF

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Publication number
CN216489855U
CN216489855U CN202123138519.0U CN202123138519U CN216489855U CN 216489855 U CN216489855 U CN 216489855U CN 202123138519 U CN202123138519 U CN 202123138519U CN 216489855 U CN216489855 U CN 216489855U
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China
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storage battery
throw switch
pole double
main control
battery
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CN202123138519.0U
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Inventor
杨世宁
陈文刚
宰洪涛
张轲
毛俊杰
朱剑飞
王新瑞
刘贺龙
姚泽龙
姬玉泽
张玉娟
陈磊
马振军
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Jincheng Power Supply Co of State Grid Shanxi Electric Power Co Ltd
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Jincheng Power Supply Co of State Grid Shanxi Electric Power Co Ltd
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Abstract

The utility model provides a device for quickly isolating and replacing storage batteries, which comprises a storage battery group formed by connecting a plurality of single storage batteries in series, wherein each single storage battery is connected with a storage battery state detection module and a conversion module; the output end of the storage battery state detection module is connected with the input end of the main control module; the input end of the conversion module is connected with the switching signal output end of the main control module; the conversion module includes: a relay, the relay comprising: the relay comprises a relay coil, a first single-pole double-throw switch and a second single-pole double-throw switch; the output end of the main control module is connected with the relay coil through the relay control circuit; the normally closed contact of the first single-pole double-throw switch and the normally closed contact of the second single-pole double-throw switch are respectively and correspondingly connected with the anode of the single storage battery and the cathode of the single storage battery; the battery protection device has the beneficial effect that a single storage battery can be quickly isolated under the condition of no power failure, and is suitable for the field of quick storage battery replacement and fault treatment.

Description

Quick isolating and replacing device for storage battery
Technical Field
The utility model relates to a technical field of battery quick replacement and fault handling, concretely relates to device is kept apart and changed fast to battery.
Background
At present, most direct current emergency systems mainly adopt a mode of connecting a plurality of storage batteries in series to realize external emergency power supply.
When one storage battery in the battery series system suddenly breaks down or a single battery needs to be used by other users, the storage battery can be taken out only by disconnecting the power supply loop, and the method can cause short-time power supply to external power utilization occasions, so that the emergency power supply loses the original significance and limits the application occasions of the direct-current emergency power supply.
Therefore, a device which can ensure the normal power supply of the direct current system and can quickly take out a certain storage battery is very important.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists in the correlation technique, the utility model discloses the technical problem that will solve lies in: the storage battery quick isolating and replacing device can quickly isolate a single storage battery in a series storage battery pack under the condition of no power failure.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a device for quickly isolating and replacing a storage battery comprises a storage battery pack formed by connecting a plurality of single storage batteries in series, wherein each single storage battery is connected with a storage battery state detection module and a conversion module; the output end of the storage battery state detection module is connected with the input end of the main control module; the input end of the conversion module is connected with the switching signal output end of the main control module; the output end of the main control module is respectively connected with the input end of the alarm module and the input end of the display module;
the conversion module includes: a relay, the relay comprising: the relay comprises a relay coil, a first single-pole double-throw switch and a second single-pole double-throw switch; the output end of the main control module is connected with the relay coil through the relay control circuit; the normally closed contact of the first single-pole double-throw switch and the normally closed contact of the second single-pole double-throw switch are respectively and correspondingly connected with the anode of the single storage battery and the cathode of the single storage battery; the normally open contact of the first single-pole double-throw switch is connected with the normally open contact of the second single-pole double-throw switch; and the common end of the first single-pole double-throw switch and the common end of the second single-pole double-throw switch are respectively and correspondingly connected with two output ends of the single storage battery.
Preferably, the method further comprises the following steps: and the output ends of the manual control modules are electrically connected with the input end of the main control module.
Preferably, the relay control circuit includes: a diode D1; the negative electrode of the diode D1 is connected with one end of the relay coil in parallel and then connected with a +5V power supply end, the other end of the relay coil is connected with the positive electrode of the diode D1 in parallel and then connected with one end of the resistor R2, the other end of the resistor R2 is connected with the collector of the triode Q1, the emitter of the triode Q1 is grounded, and the base of the triode Q1 is connected with the R3 in series and then connected with the output end of the main control module.
Preferably, the battery state detection module includes: a battery voltage acquisition circuit and a battery temperature acquisition circuit; the battery voltage acquisition circuit includes: an interface J2, where a positive electrode of the interface J2 is connected in parallel with a positive output terminal of the single battery, one end of the resistor R5, and a negative input terminal of the amplifier U4, and then connected to an output terminal of the amplifier U4, a negative electrode of the interface J2 is connected in parallel with a negative output terminal of the single battery, and another end of the resistor R5, and then connected to a positive input terminal of the amplifier U4, a positive voltage terminal of the amplifier U4 is connected to a +5V power supply terminal, and a negative voltage terminal of the amplifier U4 is grounded; the output end of the amplifier U4 is connected with the voltage monitoring signal input end of the main control module;
the battery temperature acquisition circuit includes: and the output end of the non-contact temperature sensor U5 is connected with the temperature signal input end of the main control module.
Preferably, the manual control module comprises: one end of the control key S2 is grounded after being connected with one end of the capacitor C6 in parallel, and the other end of the control key S2 is connected with the other end of the capacitor C6 and one end of the resistor R7 in parallel and then is electrically connected with the input end of the main control module through the control key S2; the other end of the resistor R7 is connected with a +5V power supply end.
Preferably, the model of the non-contact temperature sensor U5 is TN 9.
The utility model has the beneficial technical effects that:
1. the utility model provides a pair of device is kept apart and changed fast to battery, during the use, through the voltage of the real-time monitoring monomer battery of battery state detection module, surface temperature and conveying to host system, when certain monomer battery is unusual, host system output control signal to conversion module to make conversion module with unusual monomer battery excision from the storage battery of establishing ties, can keep apart unusual monomer battery fast, the staff's of being convenient for change operation.
2. The utility model discloses in, battery state detection module is used for detecting terminal voltage, the surface temperature of monomer battery, and when the low voltage in a certain monomer battery or surface temperature rose unusually, can control pilot lamp or bee calling organ suggestion battery trouble through alarm module, reminds the staff in time to maintain or change.
3. The utility model discloses in the manual control module who sets up, can make the staff when the maintenance, select appointed battery cell to excise from storage battery, keep apart operations such as change.
Drawings
Fig. 1 is a schematic circuit structure diagram of a device for rapidly isolating and replacing a storage battery according to the present invention;
fig. 2 is a schematic circuit diagram of a conversion module according to the present invention;
FIG. 3 is a schematic diagram of the circuit connection of the multiple single batteries of the present invention;
FIG. 4 is a schematic diagram of the circuit connection of one of the isolated single batteries according to the present invention;
FIG. 5 is a schematic diagram of the circuit connection of the battery voltage acquisition circuit of the present invention;
FIG. 6 is a schematic diagram of the circuit connection of the battery temperature acquisition circuit of the present invention;
fig. 7 is a schematic circuit connection diagram of the alarm module of the present invention;
FIG. 8 is a schematic diagram of the circuit connection of the manual control module of the present invention;
fig. 9 is a schematic diagram of the circuit connection between the main control module and the display module according to the present invention;
in the figure:
the system comprises a storage battery pack 10, a storage battery state detection module 20, a main control module 30, a conversion module 40, an alarm module 50, a display module 60 and a manual control module 70, wherein the storage battery state detection module is used for detecting the state of a storage battery;
101 is a single storage battery, 201 is a battery voltage acquisition circuit, 202 is a battery temperature acquisition circuit, and 401 is a control switch;
401 is the relay, 4011 is the relay coil, 4012 is the first single-pole double-throw switch, 4013 is the second single-pole double-throw switch, 4014 is the relay control circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
An embodiment of the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a device for quickly isolating and replacing a storage battery comprises a storage battery pack 10 formed by connecting a plurality of single storage batteries 101 in series, wherein each single storage battery 101 is connected with a storage battery state detection module 20 and a conversion module 40; the output end of the storage battery state detection module 20 is connected with the input end of the main control module 30; the input end of the conversion module 40 is connected with the switching signal output end of the main control module 30; the output end of the main control module 30 is respectively connected with the input end of the alarm module 50 and the input end of the display module 60;
the conversion module 40 includes: a relay 401, the relay 401 comprising: a relay coil 4011, a first single-pole double-throw switch 4012, and a second single-pole double-throw switch 4013; the output end of the main control module 30 is connected with a relay coil 4011 through a relay control circuit 4014; the normally closed contact of the first single-pole double-throw switch 4012 and the normally closed contact of the second single-pole double-throw switch 4013 are respectively and correspondingly connected with the anode of the single storage battery 101 and the cathode of the single storage battery 101; a normally open contact of the first single-pole double-throw switch 4012 is connected with a normally open contact of the second single-pole double-throw switch 4013; and the common end of the first single-pole double-throw switch 4012 and the common end of the second single-pole double-throw switch 4013 are respectively connected with two output ends of the single storage battery 101 correspondingly.
Further, the relay control circuit 4014 includes: a diode D1; the negative electrode of the diode D1 is connected with one end of the relay coil 4011 in parallel and then connected with a +5V power supply end, the other end of the relay coil 4011 is connected with the positive electrode of the diode D1 in parallel and then connected with one end of the resistor R2, the other end of the resistor R2 is connected with the collector of the triode Q1, the emitter of the triode Q1 is grounded, and the base of the triode Q1 is connected with the output end of the main control module 30 in series and R3.
As shown in fig. 3, one end of a normally open contact of the first single-pole double-throw switch 4012 is connected to one end of a normally open contact of the second single-pole double-throw switch 4013, a normally closed contact of the first single-pole double-throw switch 4012 and a normally open contact of the second single-pole double-throw switch 4013 are respectively connected to the positive electrode and the negative electrode of the single battery, and at this time, the conversion module is in a "normal" state.
As shown in fig. 4, when a certain single battery is abnormal, the output port of the main control module 30 is at a high level, the relay coil 4011 is energized, and the normally closed contact of the first single-pole double-throw switch 4012 and the normally closed contact of the second single-pole double-throw switch 4013 are disconnected from the positive electrode of the single battery 101 and the negative electrode circuit of the single battery 101; meanwhile, a normally open contact of the first single-pole double-throw switch 4012 and a normally open contact of the second single-pole double-throw switch 4013 are closed, at the moment, the conversion module is in a 'through' state, and an abnormal single storage battery can be cut off from the storage battery pack.
The device is kept apart and change fast to storage battery that this embodiment one provides, during the use, through the voltage of the real-time monitoring monomer battery of battery state detection module 20, surface temperature and conveying to host system, when certain monomer battery is unusual, host system output control signal to conversion module to make conversion module with unusual monomer battery follow the excision in the storage battery of establishing ties, can keep apart unusual monomer battery fast, the staff's of being convenient for change operation.
Example two
As shown in fig. 5 and 6, in the present embodiment, the battery state detection module 20 includes: a battery voltage acquisition circuit 201 and a battery temperature acquisition circuit 202;
the battery voltage acquisition circuit 201 includes: an interface J2, where a positive electrode of the interface J2 is connected in parallel with a positive output terminal of the single battery 101, one end of the resistor R5, and a negative input terminal of the amplifier U4, and then connected to an output terminal of the amplifier U4, a negative electrode of the interface J2 is connected in parallel with a negative output terminal of the single battery 101, and another end of the resistor R5, and then connected to a positive input terminal of the amplifier U4, a positive voltage terminal of the amplifier U4 is connected to a +5V power supply terminal, and a negative voltage terminal of the amplifier U4 is grounded;
the output end of the amplifier U4 is connected with the voltage monitoring signal input end of the main control module 30;
the battery temperature acquisition circuit 202 includes: and the output end of the non-contact temperature sensor U5 is connected with the temperature signal input end of the main control module 30.
The model of the non-contact temperature sensor U5 is TN 9.
In this embodiment, the number of the alarm modules 50 and the number of the display modules 60 are multiple, and the alarm modules 50 and the display modules correspond to the multiple single storage batteries 101 one by one, respectively, and when a certain single storage battery 101 fails, the corresponding alarm module 50 sends out an alarm signal.
As shown in fig. 7, the alarm module 50 includes: speaker P1 and led D2;
one end of the loudspeaker P1 is connected with the +5V power supply end after being connected with the resistor R6 in series, the other end of the loudspeaker P1 is connected with the collector of the triode Q2, the emitter of the triode Q2 is connected with the light-emitting diode D2 in series and then is grounded, and the base of the triode Q2 is connected with the output end of the main control module after being connected with the resistor R8 in series.
In this embodiment, the main control module may be a single chip microcomputer with a model number of CH 559L;
when the single storage battery real-time voltage acquisition device is used, the storage battery state detection module transmits the acquired real-time voltage value of the single storage battery into the single chip microcomputer through a P1.0 port of the single chip microcomputer; when the voltage of the single storage battery is reduced, the voltage value acquired by the single chip microcomputer is compared with an alarm threshold value, when the actual voltage value of the battery is lower than the alarm value, the single chip microcomputer sends out a high level through a P0.2 port, an alarm buzzer gives an alarm, and a corresponding indicator lamp is lightened to remind a worker that the voltage of the storage battery is low and the storage battery should be replaced in time.
Further, when the staff needs to connect a new single battery into the circuit, before the connection: the conversion module is in a 'through' state, no voltage exists at the input end of the storage battery state detection module, and the main control module does not enable the relay in the conversion module to act; after the single storage battery is connected, a circuit between a new single storage battery and the storage battery state detection module and the conversion module is connected, after the storage battery state detection module collects the voltage value of the single storage battery, a P0.2 port of the single chip microcomputer sends out a high level, a relay in the conversion module is enabled to act, the conversion module is converted from a direct-through state to a normal state, and the new single storage battery is connected into the power supply loop in series.
In this embodiment, the storage battery state detection module is used for detecting the terminal voltage and the surface temperature of the single storage battery, and when the voltage in a certain single storage battery is low or the surface temperature is abnormally increased, the alarm module can control the indicator lamp or the buzzer to prompt the storage battery to have a fault, so that a worker can be reminded of timely maintaining or replacing the storage battery.
EXAMPLE III
In this embodiment, a quick isolation of battery and change device still includes: and the output end of the manual control module 70 is electrically connected with the input end of the main control module 30.
As shown in fig. 8, the manual control module 70 includes: a control key S2, wherein one end of the control key S2 is grounded after being connected with one end of a capacitor C6 in parallel, and the other end of the control key S2 is connected with the other end of a capacitor C6 and one end of a resistor R7 in parallel and then is electrically connected with the input end of the main control module 30;
the other end of the resistor R7 is connected with a +5V power supply end.
In this embodiment, there are a plurality of manual control modules 70, and the control buttons provided thereon correspond to the single storage batteries one by one.
The manual control module arranged in the embodiment can enable a worker to select a designated single storage battery to be cut off from the storage battery pack for operations such as isolation and replacement during maintenance.
When the single storage battery is used, when a worker needs to take down a certain single storage battery actively, the button S2 is pressed, after a P0.1 port of the single chip microcomputer receives a low level signal, a control signal is output through a P0.2 port, so that the relay 401 in the conversion module 40 is controlled to act, the normally closed contact of the first single-pole double-throw switch 4012 and the normally closed contact of the second single-pole double-throw switch 4013 are disconnected, the circuit connection between the anode of the single storage battery 101 and the cathode of the single storage battery 101 is disconnected, the single storage battery is cut off from the storage battery, and the worker can take out the storage battery.
In this embodiment, as shown in fig. 9, the model of the display module 60 may be an LCD12864, and the display module 60 may display the operation state information of the voltage across the single battery, the surface temperature, and the like.
To sum up, the utility model provides a pair of device is kept apart and is changed fast to battery can extensively be applicable to multiple direct current emergency power supply occasions such as direct current emergency power source car, transformer substation direct current system.
In the description of the present invention, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. A quick battery isolation and replacement device comprises a battery pack (10) formed by connecting a plurality of single batteries (101) in series, and is characterized in that: each single storage battery (101) is connected with a storage battery state detection module (20) and a conversion module (40);
the output end of the storage battery state detection module (20) is connected with the input end of the main control module (30);
the input end of the conversion module (40) is connected with the switching signal output end of the main control module (30);
the output end of the main control module (30) is respectively connected with the input end of the alarm module (50) and the input end of the display module (60);
the conversion module (40) comprises: a relay (401), the relay (401) comprising: a relay coil (4011), a first single-pole double-throw switch (4012), and a second single-pole double-throw switch (4013);
the output end of the main control module (30) is connected with a relay coil (4011) through a relay control circuit (4014);
the normally closed contact of the first single-pole double-throw switch (4012) and the normally closed contact of the second single-pole double-throw switch (4013) are respectively and correspondingly connected with the positive electrode of the single storage battery (101) and the negative electrode of the single storage battery (101);
the normally open contact of the first single-pole double-throw switch (4012) is connected with the normally open contact of the second single-pole double-throw switch (4013);
and the common end of the first single-pole double-throw switch (4012) and the common end of the second single-pole double-throw switch (4013) are respectively connected with two output ends of the single storage battery (101) correspondingly.
2. The device for rapidly isolating and replacing the storage battery according to claim 1, wherein: further comprising: the device comprises a plurality of manual control modules (70) which correspond to a plurality of single storage batteries (101) one to one, wherein the output ends of the manual control modules (70) are electrically connected with the input end of a main control module (30).
3. The device for rapidly isolating and replacing the storage battery according to claim 1, wherein: the relay control circuit (4014) includes: a diode D1;
the negative electrode of the diode D1 is connected with one end of the relay coil (4011) in parallel and then connected with a +5V power supply end, the other end of the relay coil (4011) is connected with the positive electrode of the diode D1 in parallel and then connected with one end of a resistor R2, the other end of the resistor R2 is connected with the collector of the triode Q1, the emitter of the triode Q1 is grounded, and the base of the triode Q1 is connected with the output end of the main control module (30) in series and connected with the R3.
4. The device for rapidly isolating and replacing the storage battery according to claim 1, wherein: the battery state detection module (20) includes: a battery voltage acquisition circuit (201) and a battery temperature acquisition circuit (202);
the battery voltage acquisition circuit (201) comprises: an interface J2, wherein the positive electrode of the interface J2 is connected in parallel with the positive output end of the single battery (101), one end of the resistor R5 and the negative input end of the amplifier U4 and then connected with the output end of the amplifier U4, the negative electrode of the interface J2 is connected in parallel with the negative output end of the single battery (101) and the other end of the resistor R5 and then connected with the positive input end of the amplifier U4, the positive voltage end of the amplifier U4 is connected with a +5V power supply end, and the negative voltage end of the amplifier U4 is grounded;
the output end of the amplifier U4 is connected with the voltage monitoring signal input end of the main control module (30);
the battery temperature acquisition circuit (202) comprises: and the output end of the non-contact temperature sensor U5 is connected with the temperature signal input end of the main control module (30).
5. The device for rapidly isolating and replacing the storage battery according to claim 2, wherein: the manual control module (70) comprises: one end of the control key S2 is grounded after being connected with one end of the capacitor C6 in parallel, the other end of the control key S2 is connected with the other end of the capacitor C6 in parallel and one end of the resistor R7 in parallel and then is electrically connected with the input end of the main control module (30);
the other end of the resistor R7 is connected with a +5V power supply end.
6. The device of claim 4, wherein: the model of the non-contact temperature sensor U5 is TN 9.
CN202123138519.0U 2021-12-14 2021-12-14 Quick isolating and replacing device for storage battery Active CN216489855U (en)

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Application Number Priority Date Filing Date Title
CN202123138519.0U CN216489855U (en) 2021-12-14 2021-12-14 Quick isolating and replacing device for storage battery

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Application Number Priority Date Filing Date Title
CN202123138519.0U CN216489855U (en) 2021-12-14 2021-12-14 Quick isolating and replacing device for storage battery

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Publication Number Publication Date
CN216489855U true CN216489855U (en) 2022-05-10

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