CN211061663U - Lithium battery monitoring system - Google Patents
Lithium battery monitoring system Download PDFInfo
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- CN211061663U CN211061663U CN201921278615.5U CN201921278615U CN211061663U CN 211061663 U CN211061663 U CN 211061663U CN 201921278615 U CN201921278615 U CN 201921278615U CN 211061663 U CN211061663 U CN 211061663U
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Abstract
The utility model discloses a lithium battery monitoring system, including the group battery, the voltage acquisition module of being connected with the group battery, host system, the current acquisition module of being connected with host system, the temperature acquisition module of being connected with host system, communication module and the display module of being connected with host system, voltage acquisition module is used for acquireing the voltage of group battery and sends to host system, current acquisition module is used for acquireing the electric current of group battery and sends to host system, temperature acquisition module is used for acquireing the temperature of group battery and sends to host system, host system is connected with communication module. The utility model discloses, temperature, electric current, the voltage to the lithium cell acquire to show more data of lithium cell through display module, reach the technological effect of comprehensive control and the technological effect of the control of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell, especially, relate to a lithium cell monitored control system.
Background
At present, although lithium batteries are widely used, there is a risk in specific use, for example, when a battery reaches a certain temperature due to short circuit and the like and fires, and meanwhile, explosion is easily caused due to the airtight space of the battery, and the existing monitoring system for the battery, for example, with the patent application number of CN201810405356, is named as a battery temperature monitoring system, and can acquire the temperature of the battery, but actually, the battery temperature is too high only as a result, and the monitoring system does not acquire a real-time state before the battery temperature is too high, does not monitor the battery comprehensively, and has too single monitoring data.
Therefore, the prior art is to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a lithium cell monitored control system, aims at solving the technical problem who mentions in the background art to temperature, electric current, the voltage through to the lithium cell acquire, come out with more data display of lithium cell through display module, reach the technological effect of comprehensive control and the technological effect of the control of being convenient for.
The utility model discloses a lithium battery monitoring system, including the group battery, the voltage acquisition module of being connected with the group battery, host system, the current acquisition module of being connected with host system, the temperature acquisition module of being connected with host system, communication module and the display module of being connected with host system, voltage acquisition module is used for acquireing the voltage of group battery and sends to host system, current acquisition module is used for acquireing the electric current of group battery and sends to host system, temperature acquisition module is used for acquireing the temperature of group battery and sends to host system, host system is connected with communication module.
Preferably, the monitoring system further comprises a monitoring terminal connected with the communication module, and the main control module sends the temperature, the voltage and the current to the monitoring terminal through the communication module.
Preferably, the system further comprises a total positive relay module and a total negative relay module, and the total positive relay module and the total negative relay module are both connected with the main control module.
Preferably, the voltage acquisition module includes seventeenth chip and eighth chip, the second of seventeenth chip is participated in and is connected with the group battery, the sixth of seventeenth chip is participated in and is connected with eighty first resistance one end, the eighty first resistance other end is participated in with the second of fifty third electric capacity one end, eighty third resistance one end and eighth chip simultaneously and is connected, the seventh of seventeenth chip is participated in and is connected with eighty resistance one end, the eighty resistance other end is participated in with the third of eighth chip and is connected, the fifty third electric capacity other end is participated in and is connected with the master control module with the eighty third resistance other end, the first of eighth chip is participated in simultaneously.
Preferably, the current collection module comprises a twentieth chip, a twenty-second capacitor and a third resistance, the first pin and the second pin of the twentieth chip are both connected to the main positive relay module, the third pin and the fourth pin of the twentieth chip are both connected to the second pin of the twentieth socket, the first pin of the twentieth socket is simultaneously connected to one end of the first PTC thermal recovery fuse and one end of the second PTC thermal recovery fuse, the seventh pin of the twentieth chip is connected to one end of the third resistance through the twentieth resistance, and the other end of the third resistance is connected to the main control module.
Preferably, the temperature acquisition module comprises a thirtieth chip and a forty-eighth resistor connected with the main control chip, a first pin of the thirtieth chip is grounded, a second pin of the thirtieth chip is connected with one end of the forty-eighth resistor, the other end of the forty-eighth resistor is simultaneously connected with a third pin of the thirtieth chip and one end of a nineteenth capacitor, and the other end of the nineteenth capacitor is grounded.
Preferably, the total positive relay module comprises a fourth switch assembly, a forty-fifth resistor, a sixty-third resistor and a second triode, the fourth switch assembly is connected with a collector of the second triode, a base of the second triode is simultaneously connected with one end of the forty-fifth resistor and one end of the sixty-third resistor, the other end of the forty-fifth resistor is connected with the main control module, and an emitter of the second triode is simultaneously connected with the other end of the sixty-third resistor and the ground.
Preferably, the battery pack includes a lithium ion battery.
The utility model discloses a lithium battery monitoring system, beneficial effect as follows: the temperature, the current and the voltage of the lithium battery are acquired, and the related data of the lithium battery are displayed through the display module, so that the technical effects of comprehensive monitoring and convenient monitoring are achieved.
Drawings
Fig. 1 is a schematic block diagram of a lithium battery monitoring system according to the present invention;
fig. 2 is a schematic circuit connection diagram of the main control module in the lithium battery monitoring system of the present invention;
fig. 3 is a schematic diagram of a circuit connection of a voltage acquisition module in the lithium battery monitoring system of the present invention;
fig. 4 is a schematic circuit connection diagram of the current collection module in the lithium battery monitoring system of the present invention;
fig. 5 is a schematic diagram of a circuit connection of the temperature acquisition module in the lithium battery monitoring system of the present invention;
fig. 6 is a schematic circuit connection diagram of a display connection circuit in the lithium battery monitoring system of the present invention;
fig. 7 is a schematic circuit connection diagram of the key module in the lithium battery monitoring system of the present invention;
fig. 8 is a schematic circuit connection diagram of a CAN bus module in the lithium battery monitoring system of the present invention;
fig. 9 is a schematic circuit connection diagram of the communication module in the lithium battery monitoring system of the present invention;
fig. 10 is a schematic circuit connection diagram of a total positive relay module in the lithium battery monitoring system of the present invention;
fig. 11 is a schematic circuit connection diagram of a total negative relay module in the lithium battery monitoring system of the present invention;
fig. 12 is a schematic diagram of a circuit connection of the battery pack in the lithium battery monitoring system according to the present invention;
fig. 13 is a schematic circuit connection diagram of an alarm module in the lithium battery monitoring system of the present invention;
fig. 14 is a schematic circuit connection diagram of a heating module in the lithium battery monitoring system of the present invention;
fig. 15 is a schematic circuit connection diagram of a heat dissipation module in the lithium battery monitoring system of the present invention;
fig. 16 is a schematic circuit connection diagram of the fan module in the lithium battery monitoring system of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It is noted that relative terms such as "first," "second," and the like may be used to describe various components, but these terms are not intended to limit the components. These terms are only used to distinguish one component from another component. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present invention. The term "and/or" refers to a combination of any one or more of the associated items and the descriptive items.
Referring to fig. 1, fig. 1 is a schematic block diagram of a lithium battery monitoring system according to the present invention.
The utility model discloses a lithium battery monitoring system, including group battery 20, the voltage acquisition module 21 of being connected with group battery 20, host system 10, the current acquisition module 23 of being connected with host system 10, the temperature acquisition module 22 of being connected with host system, communication module 25 and the display module 24 of being connected with host system, voltage acquisition module is used for acquireing the voltage of group battery and sends to host system, current acquisition module is used for acquireing the electric current of group battery and sends to host system, temperature acquisition module is used for acquireing the temperature of group battery and sends to host system, host system is connected with communication module. The utility model discloses a lithium battery monitoring system, beneficial effect as follows: the temperature, the current and the voltage of the lithium battery are acquired, and the related data of the lithium battery are displayed through the display module, so that the technical effects of comprehensive monitoring and convenient monitoring are achieved. More specifically, the intelligent temperature monitoring system further comprises a monitoring terminal connected with the communication module, the main control module sends the temperature, the voltage and the current to the monitoring terminal through the communication module, and the monitoring terminal comprises a mobile phone, an IPAD or a computer.
The circuit connection schematic diagram of the battery pack is shown in fig. 12, the circuit connection schematic diagram of the main control module 10 is shown in fig. 2, the main control module comprises a first main control chip P9, the specific model is mc9s12dg128bmpv, as shown in fig. 3, the voltage acquisition module comprises a seventeenth chip P17 and an eighth chip U8, a second pin VIN of the seventeenth chip is connected with the battery pack, a sixth pin VOUT-of the seventeenth chip is connected with one end of an eighty-first resistor R81, the other end of the eighty-first resistor is connected with one end of a fifty-third capacitor C53, one end of an eighty-third resistor R83 and a second pin-INA of the eighth chip, a seventh pin VOUT + of the seventeenth chip is connected with one end of an eighty resistor R80, the other end of the eighty resistor R80 is connected with one end of a second capacitor C52, one end of the eighty-second resistor R82 and a third pin + INA of the eighth chip, the fifty-second capacitor C52, the other end of the eighty-second resistor R82 is connected with a power supply, the voltage acquisition module is preferably a single-chip, the voltage acquisition and the voltage acquisition of the optical power supply system is performed by a single chip, the optical sampling circuit is not limited to the specific sampling circuit, the sub-chip, the sampling circuit of the optical system is a sub-chip P3679, the single chip.
In the above embodiment, as shown in fig. 3, the voltage collecting module further includes an eighteenth chip P18, a ninth chip U9, an eleventh chip P11, an eighty-fifth resistor R85 and an eighty-sixth resistor R86, the second pin VIN of the eighteenth chip P18 is connected to the battery pack, the seventh pin VOUT + of the eighteenth chip P18 is connected to one end of the eighty-fifth resistor R85, and the other end of the eighty-fifth resistor R85 is connected to the fifth pin + INB of the eighth chip U8; a sixth pin VOUT-of the eighteenth chip P18 is connected with one end of an eighty-sixth resistor R86, and the other end of the eighty-sixth resistor R86 is connected with a sixth pin INB of the eighth chip; the seventh pin VOUT + of the eleventh chip P11 is connected to one end of a ninety-sixth resistor R96, the other end of the ninety-sixth resistor R96 is connected to the third pin + INA of the ninth chip U9, the sixth pin VOUT-of the eleventh chip P11 is connected to one end of a ninety-seventh resistor R97, and the other end of the ninety-seventh resistor R97 is connected to the second pin-INA of the ninth chip U9. The present preferred embodiment further defines the circuit structure for the voltage acquisition module to be able to acquire the voltage for the battery pack when the battery pack is three-section, without being limited to one section.
As shown in FIG. 4, the current collection module preferably includes a twentieth chip ACS1, a twenty-second capacitor C22 and a first zero-third resistor R103, wherein a first pin IP + and a second pin IP + of the twentieth chip are connected to the always-plus-relay module, a third pin IP-and a fourth pin IP-of the twentieth chip are connected to a second pin of a twentieth socket U21, a first pin of the twentieth socket is simultaneously connected to one end of a first PTC thermal recovery FUSE FUSE _1 and one end of a second PTC thermal recovery FUSE PTC2, a seventh pin OUT of the twentieth chip is connected to one end of the first zero-third resistor R103 through a twentieth resistor R20, and the other end of the first zero-third resistor R103 is connected to the main control module.
As shown in fig. 5, the temperature acquisition module includes a thirtieth chip P1 and a forty-eighth resistor R48 connected to the main control chip, a first pin of the thirtieth chip is grounded, a second pin of the thirtieth chip is connected to one end of the forty-eighth resistor, the other end of the forty-eighth resistor is simultaneously connected to a third pin of the thirtieth chip and one end of a nineteenth capacitor, and the other end of the nineteenth capacitor C19 is grounded; the present preferred embodiment specifically defines the temperature acquisition module to realize the temperature acquisition function for the battery pack. As can be seen from fig. 5, the temperature acquisition module comprises four temperature acquisition units, and the above-mentioned circuit is described as one of the temperature acquisition units; the specific model of the thirtieth chip P1 is DS18B 20; the four acquisition units form a complete module for 18650 battery pack temperature detection. A single DS18650U temperature sensor is located between two 18650 batteries. Six temperature sensors need not be used. Has the advantages that: the cost is reduced, the temperature detection of all single batteries can be realized, and meanwhile, the patch form is hidden below the batteries, so that the deviation of temperature acquisition-heat attenuation can be reduced.
As shown in fig. 6, fig. 6 is a schematic circuit connection diagram of a display connection circuit in the lithium battery monitoring system of the present invention; preferably, the display connection circuit is further included, and comprises a socket P12; so that the display module is connected with the socket P12, the display module can display the voltage, current and temperature obtained from the main control module. As shown in fig. 7, fig. 7 is a schematic circuit connection diagram of the key module in the lithium battery monitoring system of the present invention; the keyboard also comprises a key module for providing the input function of the user; and human-computer interaction experience is realized. As shown in fig. 8, a CAN module is further included. As shown in fig. 9, fig. 9 is the utility model discloses communication module's circuit connection schematic diagram among the lithium battery monitoring system, communication module are MAX232 communication serial ports, can pass through bus transmission to host computer or other systems to the voltage, electric current and the temperature that the lithium cell monitored.
As shown in fig. 10 and 11, fig. 10 is a schematic circuit connection diagram of a total positive relay module in the lithium battery monitoring system of the present invention; fig. 11 is a schematic circuit connection diagram of a total negative relay module in the lithium battery monitoring system of the present invention; preferably, the system further comprises a total positive relay module and a total negative relay module, and the total positive relay module and the total negative relay module are both connected with the main control module. Preferably, the total positive relay module comprises a fourth switch assembly, a forty-fifth resistor R45, a sixty-third resistor R63 and a second triode Q2, the fourth switch assembly is connected with a collector of the second triode, a base of the second triode is simultaneously connected with one end of the forty-fifth resistor and one end of the sixty-third resistor, the other end of the forty-fifth resistor is connected with the main control module, and an emitter of the second triode is simultaneously connected with the other end of the sixty-third resistor and the ground; the fourth switch assembly comprises a fourth switch K4 and a second diode D2; a specific circuit of the total negative relay module is shown with reference to fig. 11; in the preferred embodiment, the total number of positive relay modules and the total number of negative relay modules,
as shown in fig. 13, 14, 15, and 16, fig. 13 is a schematic circuit connection diagram of an alarm module in the lithium battery monitoring system of the present invention; fig. 14 is a schematic circuit connection diagram of a heating module in the lithium battery monitoring system of the present invention; fig. 15 is a schematic circuit connection diagram of a heat dissipation module in the lithium battery monitoring system of the present invention; fig. 16 is a schematic circuit connection diagram of the fan module in the lithium battery monitoring system of the present invention. The heating module is characterized by further comprising an alarm module, a heating module, a heat dissipation module and a fan module. The battery temperature monitoring device comprises a heating module, a heat dissipation module and a fan module, wherein the heating module, the heat dissipation module and the fan module are controlled by a user through a key module to heat or dissipate heat of a battery; the method is particularly suitable for battery management simulation in a laboratory.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a lithium battery monitoring system, a serial communication port, including the group battery, the voltage acquisition module of being connected with the group battery, host system, the current acquisition module of being connected with host system, the temperature acquisition module of being connected with host system, communication module and the display module of being connected with host system, voltage acquisition module is used for acquireing the voltage of group battery and sends to host system, current acquisition module is used for acquireing the electric current of group battery and sends to host system, temperature acquisition module is used for acquireing the temperature of group battery and sends to host system, host system is connected with communication module.
2. The lithium battery monitoring system of claim 1, further comprising a monitoring terminal connected to the communication module, wherein the master control module sends the temperature, the voltage, and the current to the monitoring terminal via the communication module.
3. The lithium battery monitoring system of claim 1, further comprising a total positive relay module and a total negative relay module, both of which are connected to the master control module.
4. The lithium battery monitoring system as claimed in claim 1, wherein the voltage collecting module comprises a seventeenth chip and an eighth chip, the second pin of the seventeenth chip is connected to the battery pack, the sixth pin of the seventeenth chip is connected to one end of an eighty-first resistor, the other end of the eighty-first resistor is simultaneously connected to one end of a fifty-third capacitor, one end of an eighty-third resistor and the second pin of the eighth chip, the seventh pin of the seventeenth chip is connected to one end of an eighty-resistor, the other end of the eighty-third resistor is connected to the third pin of the eighth chip, and the other end of the fifty-third capacitor is simultaneously connected to the other end of the eighty-third resistor, the first pin of the eighth chip and the main control module.
5. The lithium battery monitoring system as claimed in claim 3, wherein the current collection module includes a twentieth chip, a twenty-second capacitor and a hundred-third resistor, the first pin and the second pin of the twentieth chip are both connected to the main positive relay module, the third pin and the fourth pin of the twentieth chip are both connected to the second pin of the twentieth socket, the first pin of the twentieth socket is simultaneously connected to one end of the first PTC thermal recovery fuse and one end of the second PTC thermal recovery fuse, the seventh pin of the twentieth chip is connected to one end of the hundred-third resistor through the twentieth resistor, and the other end of the hundred-third resistor is connected to the main control module.
6. The lithium battery monitoring system as claimed in claim 1, wherein the temperature acquisition module comprises a thirtieth chip and a forty-eighth resistor connected with the main control chip, a first pin of the thirtieth chip is grounded, a second pin of the thirtieth chip is connected with one end of the forty-eighth resistor, the other end of the forty-eighth resistor is simultaneously connected with a third pin of the thirtieth chip and one end of a nineteenth capacitor, and the other end of the nineteenth capacitor is grounded.
7. The lithium battery monitoring system as claimed in claim 3, wherein the total positive relay module comprises a fourth switch assembly, a forty-fifth resistor, a sixty-third resistor and a second triode, the fourth switch assembly is connected with a collector of the second triode, a base of the second triode is simultaneously connected with one end of the forty-fifth resistor and one end of the sixty-third resistor, the other end of the forty-fifth resistor is connected with the main control module, and an emitter of the second triode is simultaneously connected with the other end of the sixty-third resistor and ground.
8. The lithium battery monitoring system of claim 1, wherein the battery pack comprises a lithium ion battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278615.5U CN211061663U (en) | 2019-08-08 | 2019-08-08 | Lithium battery monitoring system |
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| CN201921278615.5U CN211061663U (en) | 2019-08-08 | 2019-08-08 | Lithium battery monitoring system |
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| CN211061663U true CN211061663U (en) | 2020-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568365A (en) * | 2019-08-08 | 2019-12-13 | 深圳职业技术学院 | lithium battery monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568365A (en) * | 2019-08-08 | 2019-12-13 | 深圳职业技术学院 | lithium battery monitoring system |
| CN110568365B (en) * | 2019-08-08 | 2024-07-30 | 深圳职业技术学院 | Lithium battery monitoring system |
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