CN216013605U - Battery monitoring system with wireless compatibility and wired dual communication modes - Google Patents
Battery monitoring system with wireless compatibility and wired dual communication modes Download PDFInfo
- Publication number
- CN216013605U CN216013605U CN202121670818.6U CN202121670818U CN216013605U CN 216013605 U CN216013605 U CN 216013605U CN 202121670818 U CN202121670818 U CN 202121670818U CN 216013605 U CN216013605 U CN 216013605U
- Authority
- CN
- China
- Prior art keywords
- node
- host
- control unit
- battery monitoring
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to the technical field of power supply monitoring, and particularly relates to a battery monitoring system. A wireless compatible wired dual communication mode battery monitoring system, have battery monitoring host computer and power input interface; the battery monitoring host computer includes: a host micro-control unit; the host downlink wireless communication module is connected with the host micro-control unit; the node acquisition interface is provided with two acquisition communication interfaces connected in parallel, and the acquisition communication interfaces are connected with the host micro control unit; still include at least one monitoring node, monitoring node includes: a node micro control unit; the node uplink wireless communication module is connected with the node micro-control unit; the group of cascade flat cable interfaces is provided with two node communication interfaces connected in parallel; the node micro-control unit is in wireless and wired signal connection with the battery monitoring host. The communication between the battery monitoring host and the monitoring node can be in a wired or wireless mode at will, and the wireless and wired hybrid use can be realized, so that the arrangement pressure is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of power supply monitoring, and particularly relates to a battery monitoring system.
Background
At present, a communication base station or a machine room or some systems needing a direct-current backup power supply are basically provided with a lead-acid storage battery pack or a lithium battery pack as a backup power supply. In such a system, in order to make the battery pack have the longest service life, the state of health of each battery of the same specification type in the battery pack is substantially consistent to a certain extent, so that the battery pack has the longest service life.
This requires a basic knowledge of the state of health of each cell of the battery pack to know whether each cell state of the battery pack is similar. This requires a device that can measure the basic health parameters of the battery pack to monitor the battery pack.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that when a battery pack consisting of a plurality of batteries is used as a power supply, independent monitoring on each battery is lacked, and aims to provide a wireless and wired dual-communication mode compatible battery monitoring system.
A wireless compatible wired dual communication mode battery monitoring system has a battery monitoring host; the power input interface is connected with the power input end of the battery electric control host and supplies power to the battery monitoring host;
the battery monitoring host includes:
a host micro control unit;
the host downlink wireless communication module is connected with the host micro control unit;
the node acquisition interface is provided with two acquisition communication interfaces connected in parallel, and the acquisition communication interfaces are connected with the host micro control unit;
the battery monitoring system further comprises at least one monitoring node, and the monitoring node comprises:
a node micro control unit;
the node uplink wireless communication module is connected with the node micro control unit;
the group of cascade flat cable interfaces is provided with two node communication interfaces connected in parallel;
the node micro control unit is in wireless signal connection with the host downlink wireless communication module of the battery monitoring host through the node uplink wireless communication module;
the node micro control unit is connected with a group of node acquisition interfaces of the battery monitoring host through a group of cascade flat cable interfaces in a wired signal mode.
The monitoring nodes can be set according to the number of batteries in the battery pack, one battery is correspondingly provided with one monitoring node, the monitoring nodes are cascaded in a mode of one host computer and a plurality of slave computers, the integration of distributed wired wiring and wireless communication is realized between the host computer and the slave computers of the battery monitoring system, the battery monitoring system is suitable for various complex environments, the batteries of the battery pack with the number of up to two hundred forty monomers can be jointly measured, the detection of the state of each battery in the battery pack under a rough result can be realized, and the batteries with larger deviation or larger health state difference in the battery pack can be notified, prompted or alarmed on line, so that the different batteries can be conveniently replaced or maintained, and the use value of the battery pack is prolonged.
The battery monitoring host further comprises:
and the power input end of the host power supply module is connected with the power input interface, and the power output end of the host power supply module is respectively connected with the power input end of the host micro-control unit and the power input end of the acquisition communication interface.
The output end of the host power supply module is also connected with the power supply input end of the node micro control unit and the power supply input end of the node communication interface.
The two parallel collection communication interfaces are connected with the host micro control unit through an electric appliance isolation circuit.
The battery monitoring host further comprises:
and the host uplink wireless communication module is connected with the host micro-control unit. The host mcu may communicate with other data processing host platforms via 433 carrier waves.
The battery monitoring host further comprises:
and the two uplink and downlink 485 communication interfaces are respectively connected with the host micro control unit. The two data 485 communication interfaces achieve the purpose of configuring interfaces and uplink and downlink data communication interfaces of an upper computer.
The upstream and downstream 485 communication interfaces are connected with the host micro control unit through an electric appliance isolation circuit.
The battery monitoring host further comprises:
the current sensor interface is connected with an external current sensor for collecting the current of the battery pack;
the temperature sensor interface is connected with an external temperature sensor for collecting the ambient temperature;
the current sensor interface and the temperature sensor interface are respectively connected with the host micro control unit.
And the number of the monitoring nodes is less than or equal to two hundred and forty. Because the communication between the battery monitoring host and the monitoring node of the battery monitoring system has a wired mode and a wireless mode, the two modes can be mixed at will when in use, and the battery monitoring system can be better adapted to various field environments, nodes and host distances. And supports access to up to 240 nodes, i.e. up to 240 cells can be monitored.
And the two parallel node communication interfaces are connected with the node micro control unit through an electric appliance isolation circuit.
The monitoring node further comprises:
and the power supply input end of the node power supply module is connected with a battery of an external battery pack, and the power supply output end of the node power supply module is respectively connected with the node micro control unit and the node communication interface. The power supply of the monitoring node can be supplied through the power supply module corresponding to the battery monitoring host, and can also be directly taken from the battery.
The monitoring node further comprises:
and the signal acquisition interface is connected with the node micro control unit. The battery pack is used for being connected with an external acquisition device and acquiring data of single batteries in the battery pack.
The signal acquisition interface is connected with an external voltage acquisition unit for acquiring the voltage of the single battery.
The signal acquisition interface is connected with a direct current internal resistance acquisition unit which is externally used for acquiring the direct current internal resistance of the single battery.
The signal acquisition interface is connected with an external temperature acquisition unit for acquiring the temperature of the cathode plate of the single battery.
The positive progress effects of the utility model are as follows: the battery monitoring system adopting the wireless compatible wired dual communication mode can monitor the batteries of the battery pack with the number of the single batteries up to two hundred and forty single batteries, and the monitoring nodes corresponding to each battery operate independently, so that the installation and the maintenance are convenient. The communication between the battery monitoring host and the monitoring node can be in a wired mode or a wireless mode at will, and the wireless and wired hybrid use can be realized, so that the arrangement pressure is greatly reduced.
Drawings
FIG. 1 is a block diagram of a system application of the present invention;
FIG. 2 is a schematic block diagram of a battery monitoring host of the present invention;
fig. 3 is a schematic block diagram of a monitoring node according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific drawings.
Referring to fig. 1, a wireless and wired dual communication mode compatible battery monitoring system includes a battery monitoring host 100, a power input interface 200, and at least one monitoring node 300. The battery monitoring host 100 and the monitoring node 300 may be connected by a wired signal via a cascade connection, or may be connected by a wireless signal via a wireless communication. Monitoring node 300 is equal to or less than two hundred forty. Because the communication between the battery monitoring host 100 and the monitoring node 300 of the battery monitoring system has a wired mode and a wireless mode, the two modes can be mixed at will when in use, and the battery monitoring system can be well adapted to various field environments and distances between the node and the host. And supports access to up to 240 nodes, i.e. up to 240 cells can be monitored. When a part of the monitoring nodes 300 is wired, the monitoring nodes 300 may be wired to the battery monitoring host 100 through a cascade line.
Referring to fig. 2, the battery monitoring host 100 includes a host micro-control unit 101, a host downlink wireless communication module 102, a host uplink wireless communication module 103, a group of node acquisition interfaces having two acquisition communication interfaces 104 and 105 connected in parallel, an uplink and downlink 485 communication interface 106, an uplink and downlink 485 communication interface 107, a current sensor interface 108, a temperature sensor interface 109, a host power module 110, an electrical isolation circuit 111, an electrical isolation circuit 112, and an electrical isolation circuit 113.
The host MCU 101 is an MCU that monitors the battery status in the prior art.
The host downlink wireless communication module 102 is connected with the host micro control unit 101. The battery monitoring host 100 may communicate wirelessly with the monitoring node 300 via 433 carriers.
The host uplink wireless communication module 103 is connected with the host micro control unit 101. The battery monitoring host 100 may communicate with other data processing host platforms via 433 carriers.
The node acquisition interface group has two acquisition communication interfaces connected in parallel, namely an acquisition communication interface 104 and an acquisition communication interface 105. The acquisition communication interface 104 and the acquisition communication interface 105 are connected in parallel and then are connected with the host micro control unit 101 through an electric appliance isolation circuit 111. The wired communication between the battery monitoring host 100 and the monitoring node 300 is realized through a group of node acquisition interfaces.
The two uplink and downlink 485 communication interfaces are an uplink and downlink 485 communication interface 106 and an uplink and downlink 485 communication interface 107 respectively. The uplink and downlink 485 communication interface 106 is connected with the host micro control unit 101 through an electrical isolation circuit 112. The uplink and downlink 485 communication interface 107 is connected with the host micro control unit 101 through an electrical isolation circuit 113. The two data 485 communication interfaces achieve the purpose of configuring interfaces and uplink and downlink data communication interfaces of an upper computer.
The signal output of the current sensor interface 108 is connected to the host micro control unit 101. The signal input end of the current sensor interface 108 is connected with an external current sensor for collecting the current of the battery pack. The current sensor can adopt a current transformer, and the charging and discharging current collection purpose of the battery pack is realized.
The signal output of the temperature sensor interface 109 is connected to the host micro control unit 101. The signal input end of the temperature sensor interface 109 is connected with an external temperature sensor for collecting the ambient temperature. The temperature sensor can adopt a temperature probe, and the purpose of collecting the ambient temperature of the battery pack is achieved.
The power input end of the host power module 110 is connected to the power input interface, and the power output end of the host power module 110 is respectively connected to the power input end of the host micro-control unit 101, the power input end of the acquisition communication interface 104, and the power input end of the acquisition communication interface 105. The output terminal of the host power supply module 110 is further connected to the power input terminal of the node micro control unit and the power input terminal of the node communication interface. So that the monitoring node 300 is powered by the host power module 110 through the wired wiring to operate.
The power input end of the power input interface 200 is connected to a 48V power supply, the power output end of the power input interface 200 is connected to the power input end of the host power module 110 and the power input end of the node power module 306, respectively, and the power input interface 200 supplies power to the battery monitoring host 100 and the monitoring node 300.
Referring to fig. 3, the monitoring node 300 includes a node micro-control unit 301, a node uplink wireless communication module 302, a set of cascaded flat cable interfaces having two parallel node communication interfaces 303 and a node communication interface 304, a signal acquisition interface 305, a node power supply module 306, and an electrical isolation circuit 307.
The node micro control unit 301 of each monitoring node 300 operates independently, and the node micro control unit 301 is an MCU unit for monitoring the battery state in the prior art.
The node uplink wireless communication module 302 is connected with the node micro control unit 301. The monitoring node 300 communicates wirelessly with the battery monitoring host 100 or other monitoring nodes 300 via 433 carriers.
A set of cascaded bus interfaces has two node communication interfaces 303 and 304 in parallel. Two parallel node communication interfaces 303 and 304 are connected together to node micro control unit 301 via an electrical isolation circuit 307. The monitoring node 300 is in wired signal connection with the battery monitoring host 100 through a node communication interface 303 and a node communication interface 304.
The signal acquisition interface 305 is connected to the node micro control unit 301. The battery pack is used for being connected with an external acquisition device and acquiring data of single batteries in the battery pack. The signal acquisition interface 305 is a flat cable interface, and the signal acquisition interface 305 is connected with an external voltage acquisition unit for acquiring the voltage of the single battery. The signal acquisition interface 305 is connected to an external direct current internal resistance acquisition unit for acquiring direct current internal resistance of the single battery. The signal acquisition interface 305 is connected with an external temperature acquisition unit for acquiring the temperature of the cathode plate of the single battery. So that the signal acquisition interface 305 realizes the input acquisition of the voltage of the single battery, the direct current internal resistance acquisition and the negative plate temperature acquisition.
The power input end of the node power module 306 is connected with the battery of the external battery pack, and the power output end of the node power module 306 is respectively connected with the node micro control unit 301, the node communication interface 303 and the node communication interface 304. The power supply of the monitoring node 300 may be supplied through the host power module 110 corresponding to the battery monitoring host 100, or may be supplied through directly taking power from a battery through the node power module 306.
When the monitoring system works, the battery monitoring host 100 can supply power to the monitoring node 300 through the wired wiring to enable the monitoring node 300 to work, and the monitoring node 300 can also directly take power from the battery. When the battery monitoring system is used and constructed, cascade wiring communication can be carried out between a plurality of adjacent monitoring nodes 300 or between the battery monitoring host 100 and the monitoring nodes 300 through cables, and wireless communication can be used between the monitoring nodes 300 or the monitoring nodes 300 and the battery monitoring host 100 which are far away from each other. The battery monitoring host 100 and the monitoring node 300 may simply use cable cascade communication, may simply use wireless cascade communication, or may use some wireless part wired mode cascade communication, so as to adapt to various distances between the monitoring node 300 and the battery monitoring host 100 during construction, and may selectively use the combination of the two under severe environment to further provide communication reliability of the system. The battery monitoring host 100 obtains the health state of the current battery cell through the internal resistance data, the voltage data and other information obtained from the monitoring node 300, and reports the health state to a data center, a platform or other previous-level systems for analysis and judgment by a user, so as to realize the health state monitoring feedback of the battery pack.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A wireless compatible wired dual communication mode battery monitoring system has a battery monitoring host; the power input interface is connected with the power input end of the battery electric control host and supplies power to the battery monitoring host;
characterized in that, the battery monitoring host computer includes:
a host micro control unit;
the host downlink wireless communication module is connected with the host micro control unit;
the node acquisition interface is provided with two acquisition communication interfaces connected in parallel, and the acquisition communication interfaces are connected with the host micro control unit;
the battery monitoring system further comprises at least one monitoring node, and the monitoring node comprises:
a node micro control unit;
the node uplink wireless communication module is connected with the node micro control unit;
the group of cascade flat cable interfaces is provided with two node communication interfaces connected in parallel;
the node micro control unit is in wireless signal connection with the host downlink wireless communication module of the battery monitoring host through the node uplink wireless communication module;
the node micro control unit is connected with a group of node acquisition interfaces of the battery monitoring host through a group of cascade flat cable interfaces in a wired signal mode.
2. The wireless-compatible-wired-dual-communication-mode battery monitoring system according to claim 1, wherein the battery monitoring host further comprises:
and the power input end of the host power supply module is connected with the power input interface, and the power output end of the host power supply module is respectively connected with the power input end of the host micro-control unit and the power input end of the acquisition communication interface.
3. The wireless-compatible-wired-dual-communication-mode battery monitoring system according to claim 2, wherein the output terminal of the host power module is further connected to the power input terminal of the node micro-control unit and the power input terminal of the node communication interface.
4. The battery monitoring system of claim 1, wherein two of said acquisition communication interfaces in parallel are connected to said host micro-control unit via an electrical isolation circuit;
and the two parallel node communication interfaces are connected with the node micro control unit through another electric appliance isolation circuit.
5. The wireless-compatible-wired-dual-communication-mode battery monitoring system according to claim 1, wherein the battery monitoring host further comprises:
and the host uplink wireless communication module is connected with the host micro-control unit.
6. The wireless-compatible-wired-dual-communication-mode battery monitoring system according to claim 1, wherein the battery monitoring host further comprises:
the two uplink and downlink 485 communication interfaces are respectively connected with the host micro control unit;
the upstream and downstream 485 communication interfaces are connected with the host micro control unit through an electric appliance isolation circuit.
7. The wireless-compatible-wired-dual-communication-mode battery monitoring system according to claim 1, wherein the battery monitoring host further comprises:
the current sensor interface is connected with an external current sensor for collecting the current of the battery pack;
the temperature sensor interface is connected with an external temperature sensor for collecting the ambient temperature;
the current sensor interface and the temperature sensor interface are respectively connected with the host micro control unit.
8. The wireless-compatible-wired-dual-communication-mode battery monitoring system according to claim 1, wherein the number of the monitoring nodes is two hundred and forty.
9. The wireless-compatible wired dual communication mode battery monitoring system according to any one of claims 1 to 8, wherein the monitoring node further comprises:
and the power supply input end of the node power supply module is connected with a battery of an external battery pack, and the power supply output end of the node power supply module is respectively connected with the node micro control unit and the node communication interface.
10. The wireless-compatible wired dual communication mode battery monitoring system according to any one of claims 1 to 8, wherein the monitoring node further comprises:
the signal acquisition interface is connected with the node micro control unit;
the signal acquisition interface is connected with an external voltage acquisition unit for acquiring the voltage of the single battery;
the signal acquisition interface is connected with a direct current internal resistance acquisition unit which is externally used for acquiring the direct current internal resistance of the single battery;
the signal acquisition interface is connected with an external temperature acquisition unit for acquiring the temperature of the cathode plate of the single battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121670818.6U CN216013605U (en) | 2021-07-22 | 2021-07-22 | Battery monitoring system with wireless compatibility and wired dual communication modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121670818.6U CN216013605U (en) | 2021-07-22 | 2021-07-22 | Battery monitoring system with wireless compatibility and wired dual communication modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216013605U true CN216013605U (en) | 2022-03-11 |
Family
ID=80529245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121670818.6U Active CN216013605U (en) | 2021-07-22 | 2021-07-22 | Battery monitoring system with wireless compatibility and wired dual communication modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216013605U (en) |
-
2021
- 2021-07-22 CN CN202121670818.6U patent/CN216013605U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201029103Y (en) | On-line monitoring and maintenance system for accumulator group | |
| CN103682482A (en) | Wireless intelligent battery | |
| CN105071451A (en) | Battery management system | |
| CN102375125B (en) | Intelligent electromobile battery detector | |
| CN103645443A (en) | Storage battery measurement and control system | |
| CN105375583A (en) | Management system and method of power lithium battery pack | |
| CN104009268A (en) | Intelligent cell, intelligent cell monitoring system and intelligent cell monitoring method | |
| KR20150039397A (en) | System BMS and Energy storage system including the same | |
| CN106384850B (en) | Based on wireless battery management system | |
| CN103138316A (en) | Electric car charger | |
| CN203733906U (en) | Wireless intelligent battery | |
| CN216013605U (en) | Battery monitoring system with wireless compatibility and wired dual communication modes | |
| CN205195389U (en) | Ups | |
| CN202975280U (en) | Measurement and control system for storage batteries | |
| CN212659977U (en) | Online intelligent management system for base station storage battery | |
| JP2010200579A (en) | Storage management system | |
| CN115549247A (en) | Mixed power management method and system | |
| CN201846098U (en) | Charge and discharge protecting device and battery device | |
| CN202840546U (en) | Battery pack managing system for self-balanced electromobile | |
| CN210517834U (en) | Charge and discharge management system capable of prolonging service life of storage battery | |
| CN214124859U (en) | Battery management system for lithium battery | |
| CN212646996U (en) | Locomotive satellite antenna feeder system detection device and equipment | |
| CN212646937U (en) | Battery state monitoring system of lead-acid storage battery pack | |
| CN202353256U (en) | Electric vehicle charger | |
| CN107659616A (en) | Temperature monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |