LOT technology-based battery real-time online remote monitoring module

Abstract

The utility model discloses a battery real-time online remote monitoring module based on the LOT technology, which is used for monitoring a battery and comprises a battery monitoring unit, a voltage acquisition unit, a temperature acquisition unit, a processing unit and a communication unit, the input end of the voltage acquisition unit and the input end of the temperature acquisition unit are both connected with a battery, the output end of the voltage acquisition unit is connected with the battery monitoring unit, and the output end of the temperature acquisition unit is connected with the processing unit. According to the battery real-time online remote monitoring module based on the LOT technology, linkage is carried out through the battery monitoring unit, the voltage acquisition unit, the temperature acquisition unit, the processing unit and the communication unit, so that real-time online monitoring is carried out on the battery, and the battery real-time online remote monitoring module has the advantages of being high in safety and practicability, wide in application range and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery monitoring, and in particular relates to a battery real-time online remote monitoring module based on LOT technology. Background Art

[0002] With the development of new energy technologies, more and more equipment uses new batteries, especially in the field of new energy vehicles. The health of the battery determines the working quality of the equipment. Many existing devices lack effective monitoring of the battery, which brings certain safety hazards.

[0003] Therefore, further improvements are made to the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a real-time online remote monitoring module for batteries based on LOT technology, which is linked by a battery monitoring unit, a voltage acquisition unit, a temperature acquisition unit, a processing unit and a communication unit, so as to perform real-time online monitoring of the battery, and has the advantages of high safety, high practicality and wide application range.

[0005] To achieve the above purpose, the utility model provides a battery real-time online remote monitoring module based on LOT technology, which is used to monitor the battery, including a battery monitoring unit, a voltage acquisition unit, a temperature acquisition unit, a processing unit and a communication unit, wherein the input end of the voltage acquisition unit and the input end of the temperature acquisition unit are both connected to the battery and the output end of the voltage acquisition unit is connected to the battery monitoring unit and the output end of the temperature acquisition unit is connected to the processing unit, the battery monitoring unit and the communication unit are respectively connected to the processing unit, wherein:

[0006] The battery monitoring unit includes a monitoring chip U1, the processing unit includes a processor U2, the communication unit includes a communicator U3, and the temperature acquisition unit includes an analog switch U4;

[0007] Pin 44 of the monitoring chip U1 is electrically connected to pin 9 of the processor U2 through a resistor R6, pin 43 of the monitoring chip U1 is electrically connected to pin 10 of the processor U2 through a resistor R7, pin 42 of the monitoring chip U1 is electrically connected to pin 11 of the processor U2 through a resistor R8, and pin 41 of the monitoring chip U1 is electrically connected to pin 12 of the processor U2 through a resistor R9;

[0008] Pin 13 of the processor U12 is electrically connected to pin 3 of the communicator U3, and pin 14 of the processor U12 is electrically connected to pin 2 of the communicator U3;

[0009] The voltage acquisition unit includes a resistor R13 and a resistor R14, one end of the resistor R13 is connected to the positive electrode D+ of the battery and the other end of the resistor R13 is connected to the first voltage acquisition terminal (Z1) of the processor U2, one end of the resistor R14 is connected to the negative electrode D- of the battery and the other end of the resistor R14 is connected to the second voltage acquisition terminal (Z2) of the processor U2;

[0010] The acquisition end (pin 9) of the analog switch U4 is grounded through the thermistor RT and the two ends of the thermistor RT are connected in parallel with a capacitor C9. The output end (pin 1) of the analog switch U4 is electrically connected to pin 1 of the processor U2 through a resistor R17.

[0011] As a further preferred technical solution of the above technical solution, the 44 pin of the monitoring chip U1 is respectively connected to the cathode of the diode D8 and the anode of the diode D9, the 43 pin of the monitoring chip U1 is respectively connected to the cathode of the diode D6 and the anode of the diode D7, the 42 pin of the monitoring chip U1 is respectively connected to the cathode of the diode D3 and the anode of the diode D4, and the 41 pin of the monitoring chip U1 is respectively connected to the cathode of the diode D1 and the anode of the diode D2;

[0012] The diodes D1 , D3 , D6 and D8 share a common anode, the diodes D2 , D4 , D7 and D9 share a common cathode, the anode of the diode D5 (Zener diode) is connected to the anode of the diode D3 and the cathode of the diode D5 is connected to the cathode of the diode D4 .

[0013] As a further preferred technical solution of the above technical solution, pin 7 of the communicator U3 is connected to the communication terminal CANH and pin 6 of the communicator U3 is connected to the communication terminal CANL.

[0014] As a further preferred technical solution of the above technical solution, it also includes a balancing unit, and the balancing unit is connected between the battery and the processing unit.

[0015] As a further preferred technical solution of the above technical solution, the balancing unit includes a transistor Q1, the source of the transistor Q1 is connected to the positive electrode D+ of the battery and the drain of the transistor Q1 is connected to the negative electrode D- of the battery through a resistor R16, and the gate of the transistor Q1 is connected to the driving end (pin 28) of the monitoring chip U1 through a resistor R15. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a battery real-time online remote monitoring module based on LOT technology of the utility model.

[0017] Figure 2This is a connection diagram of a battery monitoring unit, a processing unit and a communication unit of a battery real-time online remote monitoring module based on LOT technology of the utility model.

[0018] Figure 3 The utility model discloses a circuit diagram of a voltage acquisition unit of a battery real-time online remote monitoring module based on LOT technology.

[0019] Figure 4 The utility model discloses a circuit diagram of an equalizing unit of a battery real-time online remote monitoring module based on LOT technology.

[0020] Figure 5 The utility model discloses a circuit diagram of a temperature acquisition unit of a battery real-time online remote monitoring module based on LOT technology. DETAILED DESCRIPTION

[0021] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0022] The utility model discloses a battery real-time online remote monitoring module based on LOT technology. The specific embodiments of the utility model are further described below in conjunction with preferred embodiments.

[0023] In the embodiments of the present invention, those skilled in the art will note that the battery and the like involved in the present invention may be regarded as prior art.

[0024] Preferred embodiments.

[0025] like Figure 1-5 As shown, the utility model discloses a battery real-time online remote monitoring module based on LOT technology, which is used to monitor the battery, including a battery monitoring unit, a voltage acquisition unit, a temperature acquisition unit, a processing unit and a communication unit, wherein the input end of the voltage acquisition unit and the input end of the temperature acquisition unit are both connected to the battery and the output end of the voltage acquisition unit is connected to the battery monitoring unit and the output end of the temperature acquisition unit is connected to the processing unit, the battery monitoring unit and the communication unit are respectively connected to the processing unit, wherein:

[0026] The battery monitoring unit includes a monitoring chip U1, the processing unit includes a processor U2, the communication unit includes a communicator U3, and the temperature acquisition unit includes an analog switch U4;

[0027] Pin 44 of the monitoring chip U1 is electrically connected to pin 9 of the processor U2 through a resistor R6, pin 43 of the monitoring chip U1 is electrically connected to pin 10 of the processor U2 through a resistor R7, pin 42 of the monitoring chip U1 is electrically connected to pin 11 of the processor U2 through a resistor R8, and pin 41 of the monitoring chip U1 is electrically connected to pin 12 of the processor U2 through a resistor R9;

[0028] Pin 13 of the processor U12 is electrically connected to pin 3 of the communicator U3, and pin 14 of the processor U12 is electrically connected to pin 2 of the communicator U3;

[0029] The voltage acquisition unit includes a resistor R13 and a resistor R14, one end of the resistor R13 is connected to the positive electrode D+ of the battery and the other end of the resistor R13 is connected to the first voltage acquisition terminal (Z1) of the processor U2, one end of the resistor R14 is connected to the negative electrode D- of the battery and the other end of the resistor R14 is connected to the second voltage acquisition terminal (Z2) of the processor U2;

[0030] The acquisition end (pin 9) of the analog switch U4 is grounded through the thermistor RT and the two ends of the thermistor RT are connected in parallel with a capacitor C9. The output end (pin 1) of the analog switch U4 is electrically connected to pin 1 of the processor U2 through a resistor R17.

[0031] Specifically, the 44th pin of the monitoring chip U1 is respectively connected to the cathode of the diode D8 and the anode of the diode D9, the 43rd pin of the monitoring chip U1 is respectively connected to the cathode of the diode D6 and the anode of the diode D7, the 42nd pin of the monitoring chip U1 is respectively connected to the cathode of the diode D3 and the anode of the diode D4, and the 41st pin of the monitoring chip U1 is respectively connected to the cathode of the diode D1 and the anode of the diode D2;

[0032] The diodes D1, D3, D6 and D8 share a common anode, the diodes D2, D4, D7 and D9 share a common cathode, the anode of the diode D5 (Zener diode) is connected to the anode of the diode D3 and the cathode of the diode D5 is connected to the cathode of the diode D4 (the above-mentioned diodes constitute an electrostatic interference suppression structure for protecting components).

[0033] More specifically, pin 7 of the communicator U3 (isolation driver chip) is connected to the communication terminal CANH and pin 6 of the communicator U3 is connected to the communication terminal CANL (the processor transmits the battery monitoring data to the CAN network, and then transmits it to the main processor for analysis, and can then be remotely transmitted to the background center through LOT technology. Transient voltage suppression diodes are each connected to the communication terminal CANH and the communication terminal CANL to improve anti-interference performance).

[0034] Furthermore, a balancing unit is also included, and the balancing unit is connected between the battery and the processing unit.

[0035] Furthermore, the balancing unit includes a transistor Q1, a source of the transistor Q1 is connected to the positive electrode D+ of the battery and a drain of the transistor Q1 is connected to the negative electrode D- of the battery through a resistor R16, and a gate of the transistor Q1 is connected to the driving end (pin 28) of the monitoring chip U1 through a resistor R15 (when the voltage acquisition unit detects that the voltage of the battery is overvoltage, the monitoring chip drives the transistor Q1 to turn on, thereby discharging it and consuming electrical energy through R16).

[0036] It is worth mentioning that the technical features such as batteries involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.

[0037] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A battery real-time online remote monitoring module based on LOT technology, used to monitor the battery, It is characterized in that It includes a battery monitoring unit, a voltage acquisition unit, a temperature acquisition unit, a processing unit and a communication unit, wherein the input end of the voltage acquisition unit and the input end of the temperature acquisition unit are both connected to the battery, the output end of the voltage acquisition unit is connected to the battery monitoring unit, and the output end of the temperature acquisition unit is connected to the processing unit, the battery monitoring unit and the communication unit are respectively connected to the processing unit, wherein: The battery monitoring unit includes a monitoring chip U1, the processing unit includes a processor U2, the communication unit includes a communicator U3, and the temperature acquisition unit includes an analog switch U4; Pin 44 of the monitoring chip U1 is electrically connected to pin 9 of the processor U2 through a resistor R6, pin 43 of the monitoring chip U1 is electrically connected to pin 10 of the processor U2 through a resistor R7, pin 42 of the monitoring chip U1 is electrically connected to pin 11 of the processor U2 through a resistor R8, and pin 41 of the monitoring chip U1 is electrically connected to pin 12 of the processor U2 through a resistor R9; Pin 13 of the processor U12 is electrically connected to pin 3 of the communicator U3, and pin 14 of the processor U12 is electrically connected to pin 2 of the communicator U3; The voltage acquisition unit includes a resistor R13 and a resistor R14, one end of the resistor R13 is connected to the positive electrode D+ of the battery and the other end of the resistor R13 is connected to the first voltage acquisition terminal of the processor U2, one end of the resistor R14 is connected to the negative electrode D- of the battery and the other end of the resistor R14 is connected to the second voltage acquisition terminal of the processor U2; The collection end of the analog switch U4 is grounded through the thermistor RT and both ends of the thermistor RT are connected in parallel with a capacitor C9. The output end of the analog switch U4 is electrically connected to pin 1 of the processor U2 through a resistor R17.

2. According to claim 1, a battery real-time online remote monitoring module based on LOT technology, It is characterized in that The 44th pin of the monitoring chip U1 is respectively connected to the cathode of the diode D8 and the anode of the diode D9, the 43rd pin of the monitoring chip U1 is respectively connected to the cathode of the diode D6 and the anode of the diode D7, the 42nd pin of the monitoring chip U1 is respectively connected to the cathode of the diode D3 and the anode of the diode D4, and the 41st pin of the monitoring chip U1 is respectively connected to the cathode of the diode D1 and the anode of the diode D2; The diodes D1 , D3 , D6 and D8 share a common anode, the diodes D2 , D4 , D7 and D9 share a common cathode, the anode of the diode D5 is connected to the anode of the diode D3 , and the cathode of the diode D5 is connected to the cathode of the diode D4 .

3. According to claim 2, a battery real-time online remote monitoring module based on LOT technology, It is characterized in that Pin 7 of the communicator U3 is connected to the communication terminal CANH and pin 6 of the communicator U3 is connected to the communication terminal CANL.

4. According to claim 3, a battery real-time online remote monitoring module based on LOT technology, It is characterized in that The device also includes a balancing unit connected between the battery and the processing unit.

5. According to claim 4, a battery real-time online remote monitoring module based on LOT technology, It is characterized in that The balancing unit includes a transistor Q1, a source of the transistor Q1 is connected to the positive electrode D+ of the battery, a drain of the transistor Q1 is connected to the negative electrode D- of the battery through a resistor R16, and a gate of the transistor Q1 is connected to the driving end of the monitoring chip U1 through a resistor R15.

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