CN209784795U - backup battery monitoring control system for mine - Google Patents
backup battery monitoring control system for mine Download PDFInfo
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- CN209784795U CN209784795U CN201920811486.5U CN201920811486U CN209784795U CN 209784795 U CN209784795 U CN 209784795U CN 201920811486 U CN201920811486 U CN 201920811486U CN 209784795 U CN209784795 U CN 209784795U
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Abstract
a monitoring and controlling system for a backup battery for a mine comprises a processor, a direct current power supply monitoring module, a battery charging and discharging voltage monitoring module, a temperature monitoring module, an alternating current power supply monitoring module, an alternating current input and output control module, a battery charging and discharging control module and a communication interface circuit; the processor is respectively connected with the direct current power supply monitoring module, the battery charging and discharging voltage monitoring module, the temperature monitoring module, the alternating current power supply monitoring module, the alternating current input and output control module, the battery charging and discharging control module and the communication interface circuit. The system can monitor a plurality of parameters of the mining backup battery in the using process and control a power module in the equipment, so that the charging and discharging of the battery can be automatically controlled to prolong the service life.
Description
Technical Field
the utility model relates to a mining backup battery technical field, concretely relates to mining backup battery monitor control system.
Background
at present, most of mine explosion-proof equipment batteries with backup functions are nickel-metal hydride batteries, the nickel-metal hydride batteries need to comprehensively monitor important parameters in the using process, deep charging and discharging are needed at intervals to effectively prolong the service life of the batteries, and in the prior art, various parameter monitoring on the backup batteries cannot be realized, and automatic charging and discharging operation cannot be realized.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a mining backup battery monitor control system, this system can monitor the multinomial parameter of mining backup battery in the use, and can control the power module in the equipment to can realize controlling with increase of service life to the charge-discharge of battery automatically.
in order to achieve the above object, the utility model provides a backup battery monitoring control system for mine, which comprises a processor, a direct current power supply monitoring module, a battery charging and discharging voltage monitoring module, a temperature monitoring module, an alternating current power supply monitoring module, an alternating current input and output control module, a battery charging and discharging control module and a communication interface circuit;
The input end of the direct current power supply monitoring module is connected with a power supply module connected with the battery, and the output end of the direct current power supply monitoring module is connected with the processor and used for acquiring power supply change signals of the power supply module in real time and sending the acquired power supply change signals to the processor in real time;
the battery charging and discharging voltage monitoring module comprises a battery charging voltage monitoring module and a battery discharging voltage monitoring module; the battery discharge voltage monitoring module is connected with the battery discharge port at the input end and the processor at the output end, and is used for acquiring a discharge port voltage signal and transmitting the acquired discharge port voltage signal to the processor in real time; the input end of the battery charging voltage monitoring module is connected with a charging port of a battery, and the output end of the battery charging voltage monitoring module is connected with the processor and used for acquiring a charging port voltage signal and transmitting the acquired charging port voltage signal to the processor in real time;
the temperature monitoring module is arranged on the surface of the battery in a fitting manner, the output end of the temperature monitoring module is connected with the processor and used for acquiring a battery temperature change signal and sending the acquired temperature change signal to the processor in real time;
the input end of the alternating current power supply monitoring module is connected with the input end of the alternating current power supply, and the output end of the alternating current power supply monitoring module is connected with the processor and used for acquiring alternating current power supply signals and sending the acquired alternating current power supply signals to the processor in real time;
The input end of the alternating current input and output control module is connected with the processor, and the output end of the alternating current input and output control module is respectively connected with the alternating current input wiring port and the alternating current output wiring port and used for realizing the control of alternating current input and output, thereby being convenient for realizing the switching of the charging state of the battery or the deep discharging state of the battery;
The input end of the battery charging and discharging control module is connected with the processor, and the output end of the battery charging and discharging control module is respectively connected with the battery charging circuit and the battery discharging circuit;
the communication interface circuit is connected with the processor and used for establishing communication connection between the processor and external equipment;
The processor is used for processing the received power supply change signal and displaying the processed voltage value of the current power supply module through a display screen connected with the processor; the battery discharge port voltage processing device is used for processing the received discharge port voltage signal and displaying the processed battery discharge port voltage value through a display screen connected with the battery discharge port voltage processing device; the charging interface is used for receiving a charging port voltage signal and processing the charging port voltage signal and displaying the charging port voltage signal through a display screen connected with the charging port voltage signal; the temperature sensor is used for processing the received temperature change signal and displaying the processed temperature value through a display screen connected with the temperature sensor; the device is used for processing the received alternating current power supply signal and displaying whether the processed alternating current power supply state exists or not through a display screen connected with the device; the control module is used for controlling the AC input/output control module to work in an AC input state or an AC output state; the control circuit is used for controlling the connection of the battery and a battery charging circuit or a battery discharging circuit so as to automatically control the charging process or the discharging process of the battery.
the utility model discloses can realize DC power supply, battery charge and discharge voltage, temperature and the monitoring of AC power supply state, can also realize the control of AC input output and battery charge and discharge, and then can realize monitoring and controlling mining backup battery in the use. Meanwhile, the system is also provided with a communication interface, so that the battery can be conveniently monitored and controlled by the upper computer. The system supports the collection of various monitoring data and the control of a backup battery, and can realize the remote and on-site charging and discharging of the battery. The system also has a communication interface so that the monitored information is transmitted to an external device through the communication interface circuit. Meets the requirements of coal mine safety regulations.
preferably, the processor is of the type STM32F103VCT 6.
preferably, the core of the dc power supply monitoring module adopts an LM331 chip and an EL0601 chip.
Preferably, the core of the temperature monitoring module adopts an LM224AD chip.
Preferably, the core of the communication interface circuit adopts a MAX13487E chip.
Drawings
FIG. 1 is a block diagram illustrating the structure of the present invention;
FIG. 2 is a core circuit diagram of the processor of the present invention;
Fig. 3 is a schematic circuit diagram of the dc power supply monitoring module according to the present invention;
Fig. 4 is a schematic circuit diagram of a battery discharge voltage monitoring module according to the present invention;
fig. 5 is a schematic circuit diagram of a battery charging voltage monitoring module according to the present invention;
Fig. 6 is a schematic circuit diagram of the temperature monitoring module of the present invention;
fig. 7 is a schematic circuit diagram of the ac power supply monitoring module according to the present invention;
Fig. 8 is a schematic circuit diagram of the ac input/output control module according to the present invention;
Fig. 9 is a schematic circuit diagram of a battery charge and discharge control module according to the present invention;
fig. 10 is a schematic circuit diagram of the communication interface circuit of the present invention.
In the figure: u1, a processor, U2, a direct current power supply monitoring module, U3, a battery charging and discharging voltage monitoring module, U4, a temperature monitoring module, U5, an alternating current power supply monitoring module, U6, an alternating current input and output control module, U7, a battery charging and discharging control module, U8 and a communication interface circuit.
Detailed Description
the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a backup battery monitoring and controlling system for mine includes a processor U1, a dc power supply monitoring module U2, a battery charging and discharging voltage monitoring module U3, a temperature monitoring module U4, an ac power supply monitoring module U5, an ac input and output control module U6, a battery charging and discharging control module U7, and a communication interface circuit U8;
As shown in fig. 3, the input end of the dc power supply monitoring module U2 is connected to a power module connected to the battery, and the output end thereof is connected to the processor U1, so as to collect power supply variation signals of the power module in real time and send the collected power supply variation signals to the processor U1 in real time, so as to know the power supply condition of the power module in real time; the direct current power supply monitoring module U2 adopts V/F conversion chip LM331 to gather the input of direct current signal, when V24V exists, input the 7 feet of chip after dividing voltage through R12 and R13, along with the change of V24V voltage, chip 3 feet output different frequency signal, isolate the back through opto-coupler EL0601 and export the signal to treater U1, can obtain the voltage value of current direct current power supply through the calculation of procedure.
as shown in fig. 4 and 5, the battery charging and discharging voltage monitoring module U3 includes a battery charging voltage monitoring module and a battery discharging voltage monitoring module; the input end of the battery discharge voltage monitoring module is connected with a discharge port of the battery, and the output end of the battery discharge voltage monitoring module is connected with the processor U1 and used for acquiring a discharge port voltage signal and sending the acquired discharge port voltage signal to the processor U1 in real time; the input end of the battery charging voltage monitoring module is connected with a charging port of a battery, and the output end of the battery charging voltage monitoring module is connected with the processor U1 and used for acquiring a charging port voltage signal and sending the acquired charging port voltage signal to the processor U1 in real time; the BATTERY + is the BATTERY terminal voltage, the CHARGE + is the charging port voltage, a resonance circuit is formed by a resistor R, an inductor L, a capacitor C, a resonant circuit, different input voltages of the ports are collected to generate different frequency signals, the frequency signals are output to a processor U1, and the current charging voltage and the BATTERY voltage value can be obtained through program calculation of the processor U1.
As shown in fig. 6, the temperature monitoring module U4 is disposed on the surface of the battery in a fitting manner, and the output end of the temperature monitoring module U4 is connected to the processor U1, and is configured to collect a battery temperature variation signal and send the collected temperature variation signal to the processor U1 in real time; the temperature monitoring module U4 supports 5-path temperature monitoring, the principle of the RLC resonant circuit is also adopted, the resistance characteristic of the NTC is adopted, namely the characteristic that the resistance decreases along with the rise of the temperature in an exponential relation, the change of the output frequency is caused by the change of the resistance value, the processor U1 directly collects the frequency signal, and the current temperature value can be obtained through the calculation of a program. The preceding stage power supply adopts 2.5V sampling voltage, and the LM224AD constitutes a voltage follower, so that the stability of the temperature monitoring power supply voltage is ensured.
As shown in fig. 7, an input end of the ac power supply monitoring module U5 is connected to an input end of an ac power supply, and an output end thereof is connected to the processor U1, and is configured to collect an ac power supply signal and send the collected ac power supply signal to the processor U1 in real time; when alternating current exists, a half-wave rectifying circuit is formed by the diode D1 to drive the optical coupler PC357 to be conducted, and the 4-pin AC _ SENSE label of the optical coupler has obvious high and low level change and meets a certain frequency; and when no alternating current exists, the 4 pins of the optical coupler are always at a high level due to the pull-up resistor R31. By performing the difference in the two cases, the processor U1 can determine whether there is ac power.
as shown in fig. 8, the input end of the ac input/output control module U6 is connected to the processor U1, and the output end thereof is connected to the ac input connection port and the ac output connection port, respectively, for controlling ac input/output, so as to facilitate the switching between the charging state and the deep discharging state of the battery; the default state of the ac input/output control module U6 is that the ac output is connected to the normally closed point of the relay HF152FD/5-1Z, labeled as K1_ COM and K1_ NC, the state change is determined by the transistor Q5, and the change process is: the CTR _ K1 is high in the default state, the transistor Q3 is in the off state, the transistor Q5 is also in the off state due to the pull-down resistor R56, and the relay does not operate. When the processor U1 sends a command to make the CTR _ K1 low, the transistor Q3 is in a conducting state, so that pin 1 of the transistor Q5 is high, pin Q5 is in a conducting state, pin 3 is grounded, at this time, the relay operates, the contacts K1_ COM and K1_ NC are disconnected, and KI _ COM and K1_ NO are connected, so that the control of ac input and output is realized.
as shown in fig. 9, the input end of the battery charging and discharging control module U7 is connected to the processor U1, and the output end thereof is connected to the battery charging circuit and the battery discharging circuit, respectively; the principle of the battery charging and discharging control module U7 is the same as that of the alternating current input and output control module U6, the battery charging and discharging control module is connected to the normally closed point of the relay by default, and the control of the relay is realized through the core CPU module.
As shown in fig. 10, the communication interface circuit U8 is connected to the processor U1 for establishing a communication connection between the processor U1 and an external device; the communication interface circuit U8 adopts MAX13487E as a receiving and transmitting chip of RS485 signals, and data are isolated by adopting an optical coupler EL0601, so that the isolation of signal output and signals of an internal processor U1 is realized.
the processor U1 is used for processing the received power supply change signal and displaying the processed voltage value of the current power supply module through a display screen connected with the processor U1 so as to know the power supply condition of the power supply module in real time; the battery discharge port voltage processing device is used for processing the received discharge port voltage signal and displaying the processed battery discharge port voltage value through a display screen connected with the battery discharge port voltage value, wherein the battery voltage value corresponds to the voltage of a discharge end; the charging terminal is used for receiving a charging port voltage signal and charging the charging port voltage signal; the processor U1 can set a temperature early warning value, and when the surface temperature of the battery exceeds the early warning value, the processor U1 can warn through an alarm connected with the processor U1; the processor is used for processing the received alternating current power supply signal and displaying whether the processed alternating current power supply state exists or not through a display screen connected with the processor, so that maintenance personnel can know whether the alternating current power supply state exists or not, and the processor can also transmit the alternating current power supply state to other control equipment; the control module is used for controlling the alternating current input and output control module U6 to work in an alternating current input state or work in an alternating current output state so as to realize the control of the charging and deep discharging states of the battery; the control circuit is used for controlling the connection of the battery and a battery charging circuit or a battery discharging circuit so as to automatically control the charging process or the discharging process of the battery. As shown in FIG. 2, the processor U1 adopts STM32F103VCT6 as a core control chip, has 256k Flash and 48k RAM, has 3-way A/D conversion, and adopts a button battery with CR1220 specification, so that the effective storage of the setting parameters can be ensured even after power failure or under the condition of no power.
The utility model discloses can realize DC power supply, battery charge and discharge voltage, temperature and the monitoring of AC power supply state, can also realize the control of AC input output and battery charge and discharge, and then can realize monitoring and controlling mining backup battery in the use. Meanwhile, the system is also provided with a communication interface, so that the battery can be conveniently monitored and controlled by the upper computer. The system supports the collection of various monitoring data and the control of a backup battery, and can realize the remote and on-site charging and discharging of the battery. The system also has a communication interface so that the monitored information is transmitted to an external device through the communication interface circuit. Meets the requirements of coal mine safety regulations.
Claims (5)
1. A backup battery monitoring and controlling system for mine is characterized by comprising a processor (U1), a direct current power supply monitoring module (U2), a battery charging and discharging voltage monitoring module (U3), a temperature monitoring module (U4), an alternating current power supply monitoring module (U5), an alternating current input and output control module (U6), a battery charging and discharging control module (U7) and a communication interface circuit (U8);
the input end of the direct current power supply monitoring module (U2) is connected with a power supply module connected with the battery, and the output end of the direct current power supply monitoring module is connected with the processor (U1) and used for acquiring power supply change signals of the power supply module in real time and sending the acquired power supply change signals to the processor (U1) in real time;
The battery charging and discharging voltage monitoring module (U3) comprises a battery charging voltage monitoring module and a battery discharging voltage monitoring module; the input end of the battery discharge voltage monitoring module is connected with a discharge port of the battery, and the output end of the battery discharge voltage monitoring module is connected with the processor (U1) and used for acquiring a discharge port voltage signal and sending the acquired discharge port voltage signal to the processor (U1) in real time; the input end of the battery charging voltage monitoring module is connected with a charging port of a battery, and the output end of the battery charging voltage monitoring module is connected with the processor (U1) and used for acquiring a charging port voltage signal and sending the acquired charging port voltage signal to the processor (U1) in real time;
the temperature monitoring module (U4) is arranged on the surface of the battery in a fitting manner, the output end of the temperature monitoring module is connected with the processor (U1) and is used for acquiring a battery temperature change signal and sending the acquired temperature change signal to the processor (U1) in real time;
the input end of the alternating current power supply monitoring module (U5) is connected with the input end of alternating current power supply, and the output end of the alternating current power supply monitoring module is connected with the processor (U1) and used for acquiring alternating current power supply signals and sending the acquired alternating current power supply signals to the processor (U1) in real time;
the input end of the alternating current input and output control module (U6) is connected with the processor (U1), and the output end of the alternating current input and output control module is respectively connected with the alternating current input wiring port and the alternating current output wiring port and used for realizing the control of alternating current input and output, thereby being convenient for realizing the charging of the battery or the switching of the deep discharging state of the battery;
the input end of the battery charging and discharging control module (U7) is connected with the processor (U1), and the output end of the battery charging and discharging control module is respectively connected with the battery charging circuit and the battery discharging circuit and used for realizing the switching of the battery working in a charging state or a discharging state;
The communication interface circuit (U8) is connected with the processor (U1) and is used for establishing communication connection between the processor (U1) and external equipment;
The processor (U1) is used for processing the received power supply change signal and displaying the processed voltage value of the current power supply module through a display screen connected with the processor; the battery discharge port voltage processing device is used for processing the received discharge port voltage signal and displaying the processed battery discharge port voltage value through a display screen connected with the battery discharge port voltage processing device; the charging interface is used for receiving a charging port voltage signal and processing the charging port voltage signal and displaying the charging port voltage signal through a display screen connected with the charging port voltage signal; the temperature sensor is used for processing the received temperature change signal and displaying the processed temperature value through a display screen connected with the temperature sensor; the device is used for processing the received alternating current power supply signal and displaying whether the processed alternating current power supply state exists or not through a display screen connected with the device; the control module is used for controlling the AC input/output control module (U6) to work in an AC input state or in an AC output state; the control circuit is used for controlling the connection of the battery and a battery charging circuit or a battery discharging circuit so as to automatically control the charging process or the discharging process of the battery.
2. A mining backup battery monitoring control system according to claim 1, characterized in that the processor (U1) is of the model STM32F103VCT 6.
3. A mining backup battery monitoring control system according to claim 1 or 2, characterized in that the core of the dc power supply monitoring module (U2) adopts LM331 chip and EL0601 chip.
4. The monitoring and control system for the backup battery for the mine according to claim 3, characterized in that the core of the temperature monitoring module (U4) adopts LM224AD chip.
5. A mining backup battery monitoring and control system according to claim 4, characterized in that the core of the communication interface circuit (U8) adopts MAX13487E chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920811486.5U CN209784795U (en) | 2019-05-31 | 2019-05-31 | backup battery monitoring control system for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920811486.5U CN209784795U (en) | 2019-05-31 | 2019-05-31 | backup battery monitoring control system for mine |
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| Publication Number | Publication Date |
|---|---|
| CN209784795U true CN209784795U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920811486.5U Active CN209784795U (en) | 2019-05-31 | 2019-05-31 | backup battery monitoring control system for mine |
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| Country | Link |
|---|---|
| CN (1) | CN209784795U (en) |
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- 2019-05-31 CN CN201920811486.5U patent/CN209784795U/en active Active
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