CN213340482U - Battery monitoring sensor with battery activation function - Google Patents
Battery monitoring sensor with battery activation function Download PDFInfo
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- CN213340482U CN213340482U CN202022405560.9U CN202022405560U CN213340482U CN 213340482 U CN213340482 U CN 213340482U CN 202022405560 U CN202022405560 U CN 202022405560U CN 213340482 U CN213340482 U CN 213340482U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery maintenance technical field especially relates to a battery monitoring sensor with battery activation function, wherein, include: the voltage detection unit is arranged in the central processing unit and is used for detecting the voltage of the battery; the input end of the pulse generating unit is connected with the output end of the voltage detection unit so as to generate a pulse signal when the voltage of the battery reaches a preset voltage value and input the pulse signal into the working circuit; the control unit is arranged in the working circuit, and the input end of the control unit is connected to the output end of the pulse generation unit so as to control the on or off of the working circuit according to the frequency change of the pulse signal; and the battery voltage input end is connected to the output end of the control unit so as to transmit the pulse signal to the battery when the working circuit is conducted, so that substances which hinder ion exchange in the battery are ionized. Has the advantages that: substances which obstruct ion exchange in the battery are ionized through the pulse signals, so that the reaction contact area of a battery pole plate is increased, the internal resistance is reduced, and the capacity is increased, thereby achieving the effect of battery activation.
Description
Technical Field
The utility model relates to a battery maintenance technical field especially relates to a battery monitoring sensor with battery activation function.
Background
The lead-acid storage battery is not used after being placed for a long time or is not charged for a long time, so that the vulcanization failure and capacity attenuation of active substances can be caused, the vulcanization phenomenon is the first killer of the battery, more than 80% of the battery is damaged due to the vulcanization phenomenon, and after the lead-acid storage battery is vulcanized, sulfate crystals on a polar plate block the exchange of ions, so that the battery is aged and scrapped. In this case, several times of charging and discharging with a large current may be performed to activate these sulfurized active materials, and this process is called activation.
In the conventional technology, in order to prevent the battery from solidifying in a long-term charging state, the battery is designed to be capable of self-discharging under normal conditions, so that the electric quantity of the battery is gradually reduced, however, when the electric quantity of the battery is reduced to zero, if the battery is not immediately charged, the internal chemical substances are solidified, so that the battery cannot be recharged and activated; if the battery is charged without discharging the charge sufficiently, the battery may be insufficiently protected from the chemical substances. In addition, in order to prevent the battery from being solidified, the battery is often inserted and pulled out, and poor contact results such as contact abrasion are likely to occur.
Disclosure of Invention
In view of the above problems in the prior art, a battery monitoring sensor with a battery activation function is provided.
The specific technical scheme is as follows:
the utility model provides a battery monitoring sensor with battery activation function, including a central processing unit, wherein, battery monitoring sensor includes:
the voltage detection unit is arranged in the central processing unit and is used for detecting the voltage of a battery;
the input end of the pulse generating unit is connected with the output end of the voltage detection unit so as to generate a pulse signal when the voltage of the battery reaches a preset voltage value and input the pulse signal to a working circuit;
the input end of the control unit is connected to the output end of the pulse generation unit so as to control the on or off of the working circuit according to the frequency change of the pulse signal;
and the battery voltage input end is connected to the output end of the control unit so as to transmit the pulse signal to the battery when the working circuit is switched on and ionize substances which obstruct ion exchange in the battery.
Preferably, the operating circuit further includes:
the filtering unit is connected between the pulse generating unit and the control unit so as to eliminate low-frequency noise in the pulse signal;
the first protection unit is connected between the control unit and the ground in series and pulls down a low-frequency signal in the pulse signal to the ground so as to protect the control unit;
and the second protection unit is connected between the control unit and the battery voltage input end in series.
Preferably, the control unit includes:
the grid electrode of the MOS tube is connected to the output end of the filtering unit, the drain electrode of the MOS tube is connected to the input end of the second protection unit, and the source electrode of the MOS tube is grounded.
Preferably, the battery voltage input end includes a positive input end and a negative input end, the positive input end is connected to the output end of the second protection unit, and the negative input end is grounded.
Preferably, the filtering unit includes:
one end of the capacitor is connected to the output end of the pulse generation unit, and the other end of the capacitor is connected to the grid electrode of the MOS tube;
one end of the first resistor is connected to one end, close to the output end of the pulse generation unit, of the capacitor, and the other end of the first resistor is connected to the other end, close to the grid of the MOS transistor, of the capacitor.
Preferably, the first protection unit includes a second resistor, and the second resistor is connected between the gate of the MOS transistor and ground.
Preferably, the second protection unit includes:
the third resistor is connected between the drain electrode of the MOS tube and the positive electrode input end of the battery voltage input end;
and one end of the fourth resistor is connected to one end, close to the drain electrode of the MOS tube, of the third resistor, and the other end of the fourth resistor is connected to the other end, close to the positive input end of the battery voltage input end, of the third resistor.
Preferably, the working circuit further comprises a third protection unit connected between the positive input terminal of the battery voltage input terminal and ground.
Preferably, the third protection unit includes a diode, a cathode of the diode is connected to an anode input terminal of the battery voltage input terminal, and an anode of the diode is grounded.
Preferably, the preset voltage value is 13V.
The technical scheme has the following advantages or beneficial effects: through transmitting the pulse signal to the battery, make the pulse signal produce abundant harmonic signal in the battery inside to and different harmonic signal correspond the crystal of equidimension not, thereby produce resonance, with the material that hinders ion exchange in the ionization battery, and then make the reaction area of polar plate of battery increase, the internal resistance reduces, and the capacity increases, in order to reach the effect of battery activation.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
Fig. 1 is a schematic circuit diagram of an embodiment of the present invention;
fig. 2 is a schematic circuit connection diagram of the negative input terminal of the battery voltage input terminal according to the embodiment 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model provides a battery monitoring sensor with battery activation function, as shown in FIG. 1, including a central processing unit U1, wherein, battery monitoring sensor includes:
a voltage detection unit 1 disposed in the cpu U1 for detecting a voltage of a battery BAT;
a pulse generating unit 2, disposed in the central processing unit U1, wherein an input end of the pulse generating unit 2 is connected to an output end of the voltage detecting unit 1, so as to generate a pulse signal when the voltage of the battery BAT reaches a preset voltage value, and input the pulse signal to a working circuit 3;
the control unit 30 is arranged in the working circuit 3, and the input end of the control unit 30 is connected to the output end of the pulse generating unit 2 so as to control the on or off of the working circuit 3 according to the frequency change of the pulse signal;
and the battery voltage input end 4 is connected to the output end of the control unit 30, so that when the working circuit 3 is conducted, the pulse signal is transmitted to the battery BAT to ionize substances in the battery BAT, which hinder ion exchange.
In this embodiment, the central processing unit U1 is a single chip microcomputer, and the voltage detection unit 1 and the pulse generation unit 2 are both disposed in the single chip microcomputer, wherein the voltage detection module 1 is configured to detect a voltage of the battery BAT, and when it is detected that the voltage of the battery BAT is higher than a preset voltage value, that is, the battery BAT is in a charging state, the pulse generation unit 2 outputs a pulse signal, and the pulse generation unit 2 is a timer in the single chip microcomputer.
Further, the control unit 30 converts the pulse signal into the battery BAT to ionize substances in the battery BAT that inhibit ion exchange, the pulse signal is a high-frequency pulse digital signal, and the frequency and the duty ratio of the high-frequency pulse digital signal can be adjusted according to different battery capacities, in this embodiment, the frequency of the high-frequency pulse digital signal is set to be 40KHz, and the duty ratio is set to be 5%.
In this embodiment, the pulse signal is transmitted into the battery BAT, so that the pulse signal generates rich harmonic signals inside the battery BAT, and different harmonic signals correspond to crystals of different sizes, thereby generating resonance to ionize substances hindering ion exchange in the battery BAT, and further increasing the reaction contact area of the polar plate of the battery BAT, reducing the internal resistance, and increasing the capacity, so as to achieve the effect of activating the battery BAT.
In addition, it should be noted that the battery monitoring sensor of the present invention is used for activating a 2V/6V/12V lead-acid battery.
In a preferred embodiment, the operating circuit 3 further comprises:
a filter unit 31, the filter unit 31 is connected between the pulse generating unit 2 and the control unit 30 to eliminate the low-frequency noise in the pulse signal;
a first protection unit 32, connected in series between the control unit 30 and the ground GND, for pulling down the low frequency signal in the pulse signal to the ground GND to protect the control unit 30;
a second protection unit 33, the second protection unit 33 being connected in series between the control unit 30 and the battery voltage input terminal 4.
Specifically, in the present embodiment, the pulse signal in the above technical solution is first transmitted to the filtering unit 31, the pulse signal is filtered by the filtering unit 31, so as to eliminate the low-frequency noise in the pulse signal, and the first protection unit 32 further pulls down the low-frequency signal in the pulse signal to the ground GND to retain the high-frequency signal in the pulse signal, which can play a role in protecting the control unit 30 in the above technical solution.
Further, in this embodiment, a second protection unit 33 is further disposed between the control unit 30 and the battery voltage input terminal 4 to prevent the battery BAT from being short-circuited to damage the operating circuit 3.
In a preferred embodiment, the control unit 30 comprises:
and a gate of the MOS transistor Q is connected to the output end of the filtering unit 31, a drain of the MOS transistor Q is connected to the input end of the second protection unit 33, and a source of the MOS transistor Q is grounded GND.
Specifically, the control unit 30 in the above technical solution may be an MOS transistor Q, and a high-frequency signal in the pulse signal is injected into the battery BAT through the MOS transistor Q, so as to ionize substances that hinder ion exchange in the battery BAT.
In a preferred embodiment, as shown in fig. 1 and 2, the battery voltage input terminal 4 includes a positive input terminal BAT + and a negative input terminal BAT-, the positive input terminal BAT + being connected to the output terminal of the second protection unit 33, and the negative input terminal BAT-being grounded GND.
In a preferred embodiment, as shown in fig. 1, the filtering unit 31 comprises:
one end of the capacitor C is connected to the output end of the pulse generation unit 2, and the other end of the capacitor C is connected to the grid of the MOS tube Q;
one end of the first resistor R1 is connected to one end of the capacitor C close to the output end of the pulse generating unit 2, and the other end of the first resistor R1 is connected to the other end of the capacitor C close to the gate of the MOS transistor Q.
Specifically, the filtering unit 31 in the above technical solution may be composed of a capacitor C and a first resistor R1, and the capacitor C and the first resistor R1 are connected in parallel to filter the pulse signal, so as to eliminate the low-frequency noise in the pulse signal.
In a preferred embodiment, the first protection unit 32 includes a second resistor R2, and the second resistor R2 is connected between the gate of the MOS transistor Q and the ground GND.
Specifically, the first protection unit 32 in the above technical solution may be a second resistor R2, which is used to pull down the low frequency signal in the pulse signal to the ground GND and retain the high frequency signal in the pulse signal, and may play a role in protecting the control unit 30 in the above technical solution.
In a preferred embodiment, the second protection unit 33 comprises:
a third resistor R3 connected between the drain of the MOS transistor Q and the positive input terminal BAT + of the battery voltage input terminal 4;
one end of a fourth resistor R4 and one end of a fourth resistor R4 are connected to the end of the third resistor R3 close to the drain of the MOS transistor Q, and the other end of the fourth resistor R4 is connected to the other end of the third resistor R3 close to the positive input BAT + of the battery voltage input terminal 4.
Specifically, the second protection unit 33 in the above technical solution may be formed by connecting two resistors with different resistances in parallel, so as to prevent the battery BAT from being short-circuited to cause damage to the working circuit 3.
In a preferred embodiment, the operating circuit 3 further comprises a third protection unit 34 connected between the positive input terminal BAT + of the battery voltage input terminal 4 and ground GND.
Specifically, the working circuit 3 in the above technical solution further includes a third protection unit 34 connected between the battery BAT and the ground GND, and if a feedback pulse is generated in the working circuit 3, the feedback pulse can be fed back to the battery BAT to protect the working circuit 3.
In a preferred embodiment, the third protection unit 34 comprises a diode D, the cathode of which is connected to the positive input BAT + of the battery voltage input 4, and the anode of which is connected to ground GND.
Specifically, the third protection unit 34 in the above technical solution can be implemented by a diode D to play a role of protecting the working circuit 3.
In a preferred embodiment, the predetermined voltage is 13V.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A battery monitoring sensor having a battery activation function, comprising a cpu, wherein the battery monitoring sensor comprises:
the voltage detection unit is arranged in the central processing unit and is used for detecting the voltage of a battery;
the input end of the pulse generating unit is connected with the output end of the voltage detection unit so as to generate a pulse signal when the voltage of the battery reaches a preset voltage value and input the pulse signal to a working circuit;
the input end of the control unit is connected to the output end of the pulse generation unit so as to control the on or off of the working circuit according to the frequency change of the pulse signal;
and the battery voltage input end is connected to the output end of the control unit so as to transmit the pulse signal to the battery when the working circuit is switched on and ionize substances which obstruct ion exchange in the battery.
2. The battery monitoring sensor of claim 1, wherein the operating circuit further comprises:
the filtering unit is connected between the pulse generating unit and the control unit so as to eliminate low-frequency noise in the pulse signal;
the first protection unit is connected between the control unit and the ground in series and pulls down a low-frequency signal in the pulse signal to the ground so as to protect the control unit;
and the second protection unit is connected between the control unit and the battery voltage input end in series.
3. The battery monitoring sensor of claim 2, wherein the control unit comprises:
the grid electrode of the MOS tube is connected to the output end of the filtering unit, the drain electrode of the MOS tube is connected to the input end of the second protection unit, and the source electrode of the MOS tube is grounded.
4. The battery monitoring sensor of claim 3, wherein the battery voltage input includes a positive input and a negative input, the positive input being connected to the output of the second protection unit, the negative input being connected to ground.
5. The battery monitoring sensor of claim 3, wherein the filtering unit comprises:
one end of the capacitor is connected to the output end of the pulse generation unit, and the other end of the capacitor is connected to the grid electrode of the MOS tube;
one end of the first resistor is connected to one end, close to the output end of the pulse generation unit, of the capacitor, and the other end of the first resistor is connected to the other end, close to the grid of the MOS transistor, of the capacitor.
6. The battery monitoring sensor of claim 3, wherein the first protection unit comprises a second resistor, and the second resistor is connected between the gate of the MOS transistor and ground.
7. The battery monitoring sensor of claim 4, wherein the second protection unit comprises:
the third resistor is connected between the drain electrode of the MOS tube and the positive electrode input end of the battery voltage input end;
and one end of the fourth resistor is connected to one end, close to the drain electrode of the MOS tube, of the third resistor, and the other end of the fourth resistor is connected to the other end, close to the positive input end of the battery voltage input end, of the third resistor.
8. The battery monitoring sensor of claim 4, wherein the operating circuit further comprises a third protection unit coupled between the positive input of the battery voltage input and ground.
9. The battery monitoring sensor of claim 8, wherein the third protection unit comprises a diode having a cathode connected to the positive input of the battery voltage input, and an anode connected to ground.
10. The battery monitoring sensor of claim 1, wherein the predetermined voltage value is 13V.
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CN202022405560.9U CN213340482U (en) | 2020-10-26 | 2020-10-26 | Battery monitoring sensor with battery activation function |
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CN202022405560.9U CN213340482U (en) | 2020-10-26 | 2020-10-26 | Battery monitoring sensor with battery activation function |
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