CN211744081U - Intelligent charger capable of automatically identifying battery voltage - Google Patents

Intelligent charger capable of automatically identifying battery voltage Download PDF

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Publication number
CN211744081U
CN211744081U CN202020425972.6U CN202020425972U CN211744081U CN 211744081 U CN211744081 U CN 211744081U CN 202020425972 U CN202020425972 U CN 202020425972U CN 211744081 U CN211744081 U CN 211744081U
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China
Prior art keywords
battery
circuit
electrically connected
voltage
battery voltage
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CN202020425972.6U
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Chinese (zh)
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苏木金
刘科斌
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Fujian Zhiheng Electronic Co ltd
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Fujian Zhiheng Electronic Co ltd
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Abstract

The utility model belongs to the technical field of power generation equipment, especially for the intelligent charging machine of automatic identification battery voltage, including filtering, rectification filtering, high frequency switch converter, transfer wide square wave rectification filtering, battery voltage identification circuit, charging current sampling limit, comparison circuit, reference voltage, pulse transfer wide circuit, oscillating circuit, charge state indicating circuit and battery; the utility model discloses, can continue to charge for battery constant current when the battery feed, consequently, more can satisfy generating set and realize automated control's demand, can the automatic identification by the voltage level of rechargeable battery group, can not cause the damage of battery or charger because of the misuse, the device designs for 12V 24V storage battery charging specially, have constant voltage, the constant current, trickle, be full of the stop by oneself, functional characteristics such as short circuit constant current, can the automatic identification by the voltage level of rechargeable battery group, then the charger is automatic according to 12V battery or 24V battery charging, it is more convenient and reliable to use.

Description

Intelligent charger capable of automatically identifying battery voltage
Technical Field
The utility model belongs to the technical field of power generation equipment, concretely relates to automatic identification battery voltage's intelligent charging machine.
Background
With the wide application of power generation equipment, the output voltage of the existing generator set battery charger has two specifications of 12V and 24V, and when 12V batteries and 24V batteries exist in some use occasions, the two specifications of the charger and a complex conversion structure are required to be installed for realization, so that great inconvenience is brought to use.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an automatic discernment battery voltage's intelligent charging machine has the characteristics of the voltage level of automatic identification by rechargeable battery group.
In order to achieve the above object, the utility model provides a following technical scheme: the intelligent charger capable of automatically identifying the battery voltage comprises a filter, a rectifying filter, a high-frequency switch converter, a width-modulated square wave rectifying filter, a battery voltage identification circuit, a charging current sampling limit circuit, a comparison circuit, a reference voltage, a pulse width modulation circuit, an oscillation circuit, a charging state indicating circuit and a battery, wherein the filter is electrically connected with the rectifying filter through a wire, the rectifying filter is electrically connected with the high-frequency switch converter through a wire, the high-frequency switch converter is electrically connected with the width-modulated square wave rectifying filter through a wire, and the width-modulated square wave rectifying filter is electrically connected with the battery through a wire.
Preferably, the battery is electrically connected with the battery voltage identification circuit and the charging current sampling limit through conducting wires respectively.
Preferably, the battery voltage identification circuit, the charging current sampling limit circuit and the reference voltage are all electrically connected with the comparison circuit through conducting wires.
Preferably, the comparison circuit is electrically connected with the pulse width modulation circuit and the charging state indicating circuit respectively through conducting wires.
Preferably, the oscillation circuit is electrically connected with the pulse width modulation circuit through a wire, and the pulse width modulation circuit is electrically connected with the high-frequency switch converter through a wire.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, specially for 12V 24V storage battery charging and design, have constant voltage, constant current, trickle, be full of functional characteristics such as stop by oneself, short circuit constant current, can automatic identification by the voltage level of rechargeable battery group, then the charger charges according to 12V battery or 24V battery automatically, uses more convenient and reliable.
2. The utility model discloses, accessible diesel generating set's electric energy directly charges to replace the fuselage machine that charges, can use in the humid environment that temperature-40 ℃ - +50 ℃ and relative humidity 98% RH do not condense, can allow to start the starter motor when the commercial power charges to the battery, be applicable to lead acid battery, the specially adapted charges to the wide temperature battery of totally enclosed solid.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a constant voltage and constant current characteristic curve diagram of the present invention;
fig. 2 is a schematic block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the present invention provides the following technical solutions: an intelligent charger capable of automatically identifying battery voltage comprises a filter, a rectifying filter, a high-frequency switch converter, a width-modulated square wave rectifying filter, a battery voltage identification circuit, a charging current sampling limit circuit, a comparison circuit, a reference voltage, a pulse width modulation circuit, an oscillation circuit, a charging state indicating circuit and a battery, wherein the working voltage AC 160-250V and the working frequency 20-100 Hz of the device can ensure that an engine can still be charged at low rotating speed (idling), the filter and the rectifying filter are electrically connected through a wire, when the voltage of a charged storage battery is lower than a set value (12V battery set angle 12V, 24V battery set angle 24V), the charger rapidly charges the storage battery at the maximum constant current, the rectifying filter and the high-frequency switch converter are electrically connected through the wire, when the charged storage battery is nearly fully charged (the 12V battery set is more than or equal to 12V, the 24V battery set is more than or equal to 24V), the charging current is automatically limited (the characteristic is as shown in a constant voltage section of figure 1), when the voltage of a charged storage battery reaches a floating charge set value (a 12V battery pack is about 13.8V, a 24V battery pack is about 27.6V), the charging current is automatically converted into a floating charge state, namely, the charging current is about 0.1-0.2A, the high-frequency switching converter is electrically connected with the width-adjusting square wave rectifying filter through a lead, and the width-adjusting square wave rectifying filter is electrically connected with the battery through the lead.
Specifically, the battery is electrically connected with the battery voltage identification circuit and the charging current sampling limit through conducting wires, and when the voltage of the charged storage battery reaches a charging set value (14V at 12V and 28V at 24V), the charging output can be automatically turned off.
Specifically, the battery voltage identification circuit, the charging current sampling limit circuit and the reference voltage are electrically connected with the comparison circuit through leads, the device has perfect overcurrent and short-circuit protection, and due to the constant-current characteristic, the device cannot be damaged under the conditions that the battery capacity is large (the internal resistance is extremely small), the load is short-circuited or the starting motor is started simultaneously during the commercial power charging period (the starting current is very large and is close to the short circuit for the charger), and meanwhile, due to the characteristic, the charger does not need to be disconnected when the storage battery is used as a starting power supply.
Specifically, the comparison circuit is respectively electrically connected with the pulse width modulation circuit and the charging state indicating circuit through leads, the device can automatically identify the voltage level of the charged battery pack, and then the charger automatically charges according to a 12V battery or a 24V battery, so that the device is more convenient and more reliable to use, and the damage to the battery or the charger caused by improper use can be avoided.
Specifically, the oscillating circuit is electrically connected with the pulse width modulation circuit through a conducting wire, the pulse width modulation circuit is electrically connected with the high-frequency switch converter through a conducting wire, and the device can continuously charge the battery at a constant current when the battery feeds power, so that the requirement of realizing automatic control of the generator set can be met.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The intelligent charger capable of automatically identifying the battery voltage comprises a filter, a rectifying filter, a high-frequency switch converter, a width-modulated square wave rectifying filter, a battery voltage identification circuit, a charging current sampling limit circuit, a comparison circuit, a reference voltage, a pulse width-modulated circuit, an oscillation circuit, a charging state indicating circuit and a battery, and is characterized in that: the filtering and rectifying filter are electrically connected through a wire, the rectifying filter is electrically connected with the high-frequency switch converter through a wire, the high-frequency switch converter is electrically connected with the width-modulated square wave rectifying filter through a wire, and the width-modulated square wave rectifying filter is electrically connected with the battery through a wire.
2. The intelligent charger for automatically identifying battery voltage according to claim 1, wherein: the battery is respectively and electrically connected with the battery voltage identification circuit and the charging current sampling limit through leads.
3. The intelligent charger for automatically identifying battery voltage according to claim 2, characterized in that: the battery voltage identification circuit, the charging current sampling limit circuit and the reference voltage are electrically connected with the comparison circuit through leads.
4. The intelligent charger for automatically identifying battery voltage according to claim 3, characterized in that: the comparison circuit is electrically connected with the pulse width modulation circuit and the charging state indicating circuit respectively through conducting wires.
5. The intelligent charger for automatically identifying battery voltage according to claim 1, wherein: the oscillation circuit is electrically connected with the pulse width modulation circuit through a lead, and the pulse width modulation circuit is electrically connected with the high-frequency switch converter through a lead.
CN202020425972.6U 2020-03-30 2020-03-30 Intelligent charger capable of automatically identifying battery voltage Active CN211744081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020425972.6U CN211744081U (en) 2020-03-30 2020-03-30 Intelligent charger capable of automatically identifying battery voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020425972.6U CN211744081U (en) 2020-03-30 2020-03-30 Intelligent charger capable of automatically identifying battery voltage

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CN211744081U true CN211744081U (en) 2020-10-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113162192A (en) * 2021-05-11 2021-07-23 中国煤炭科工集团太原研究院有限公司 Mining storage battery pack identification method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113162192A (en) * 2021-05-11 2021-07-23 中国煤炭科工集团太原研究院有限公司 Mining storage battery pack identification method and system

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