CN219369951U - Battery monitoring system and satellite-borne battery monitoring system - Google Patents
Battery monitoring system and satellite-borne battery monitoring system Download PDFInfo
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- CN219369951U CN219369951U CN202320236487.8U CN202320236487U CN219369951U CN 219369951 U CN219369951 U CN 219369951U CN 202320236487 U CN202320236487 U CN 202320236487U CN 219369951 U CN219369951 U CN 219369951U
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Abstract
The application discloses battery monitoring system and on-board battery monitoring system includes: monitoring a host; the data processor is connected with the monitoring host through the CAN bus; k sensing units, wherein K is more than or equal to 2; the sensing unit includes: n data acquisition ends, n=1, 2,3, …; the K matrix switchers are connected with the data processor through a cascade structure and transmit operation data to the data processor; a matrix switcher, comprising: n input terminals; the sensing units are in one-to-one correspondence with the matrix switcher units, and each input end is connected with the corresponding data acquisition end to form a data output channel. The battery monitoring system is characterized in that each battery unit is provided with a matrix switcher, a port for receiving data of the data processor is connected with the output end of the matrix switcher, and the data processor can read a plurality of sensors only by one receiving port, so that data acquisition of more sensors is supported under the condition of utilizing the existing data processor.
Description
Technical Field
The application relates to the technical field of battery monitoring, in particular to a battery monitoring system and a satellite-borne battery monitoring system.
Background
Remote sensing satellite power systems typically employ a solar cell-battery system. The solar battery is collected in the illumination period, solar energy is converted into electric energy, and the load is powered and the storage battery is charged; the storage battery supplies power to the bus through the discharging switch in the shadow period.
With the advancement of power control technology, on-off of individual cells in a battery pack can be controlled, and at the same time, the operation state of the individual cells in the battery pack needs to be monitored. The monitored parameters include: voltage, current, temperature, etc. The number of sensors of the whole battery pack is increased due to the large number of batteries of the battery pack, and the port for receiving data, which is provided by the processor of the monitoring device, is limited, so that the reading of a larger number of sensors cannot be supported.
Disclosure of Invention
The utility model provides a battery monitoring system and a satellite-borne battery monitoring system, which at least solve the technical problem that the reading of a larger number of sensors cannot be supported under the condition that the ports for receiving data provided by a processor of monitoring equipment are limited in the prior art.
According to the present application, there is provided a battery monitoring system comprising: monitoring a host;
the data processor is connected with the monitoring host through the CAN bus;
k sensing units, wherein K is more than or equal to 2;
the sensing unit includes: n data acquisition ends, n=1, 2,3, …;
the K matrix switchers are connected with the data processor through a cascade structure and transmit operation data to the data processor;
a matrix switcher, comprising: n input terminals;
the sensing units are in one-to-one correspondence with the matrix switcher units, and each input end is connected with the corresponding data acquisition end to form a data output channel.
Optionally, the sensing unit includes: n sensors;
the sensor is correspondingly connected with the input end to form n data output channels.
Optionally, the matrix switcher further includes: a control end;
the control end is connected with the data processor and controls the switching of the data output channel.
Optionally, the matrix switcher further includes: and the output end is connected with the data processor.
Optionally, the sensor is one or more of a voltage sensor, a temperature sensor, a current sensor, or a thermistor.
Optionally, the number of inputs of each matrix switch is the same, and k×n data output channels are formed.
A second aspect of the present utility model provides a satellite-borne battery monitoring system comprising: the system comprises a satellite-borne computer, battery monitoring equipment and a battery unit;
the satellite-borne computer is a monitoring host of the battery monitoring system;
the battery monitoring device includes: the data processor and the K matrix switchers of the battery monitoring system;
the battery cell includes: k sensing units of the battery monitoring system.
Optionally, the battery monitoring device further includes: CAN bus interface.
According to the battery monitoring system, the respective matrix switcher is arranged for each battery unit, the port of the data processor for receiving data is connected with the output end of the matrix switcher, the data processor can read a plurality of sensors only by one receiving port, and more sensors are supported to acquire data under the condition of utilizing the existing data processor, so that the battery pack is monitored more carefully.
The above, as well as additional objectives, advantages, and features of the present utility model will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present utility model when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale.
In the accompanying drawings:
FIG. 1 is a schematic diagram of a battery monitoring system according to one embodiment of the present application;
FIG. 2 is a schematic diagram of a battery monitoring system according to a preferred embodiment of the present application;
fig. 3 is a schematic diagram of a satellite-borne battery monitoring system according to one embodiment of the present application.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are, for example, capable of operation in other environments. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Embodiment one:
fig. 1 is a schematic diagram of a battery monitoring system according to one embodiment of the present application.
As shown in fig. 1, the battery monitoring system may generally include: the system comprises a monitoring host, a data processor, a sensing unit and a matrix switcher; wherein, the liquid crystal display device comprises a liquid crystal display device,
the monitoring host is used for monitoring the operation data of each battery;
the data processor is connected with the monitoring host through the CAN bus;
the sensing unit is used for collecting the operation data of each battery;
the number K of the matrix switchers is more than or equal to 2, the number of the matrix switchers is equal to that of the sensing units, and each matrix switcher is respectively used for acquiring the operation data of the sensing units which are connected with the matrix switchers in one-to-one correspondence and transmitting the operation data to the data processor;
the matrix switcher includes: n input terminals I k N=1, 2,3,; input terminal I k The number of the data acquisition ends of the sensing units is the same as that of the data acquisition ends of the sensing units, and K is E K;
thus, input terminal I k The matrix switches are correspondingly connected with the data acquisition ends, and n data transmission channels are formed in each matrix switch and each sensing unit; the K matrix switchers are connected with the data processor through a cascade structure, and n is formed in the battery monitoring system in a conformal mode 1 +n 2 +…+n K And data output channels.
The matrix switcher is arranged at each input end I according to the instruction of the data processor k And switching the operation data to transmit the corresponding operation data to the data processor through the data output channel.
According to the battery monitoring system, the matrix switcher corresponding to each sensing unit is arranged, the ports for receiving data of the data processor are connected with the matrix switcher, and the data processor can read a plurality of sensors only by one receiving port, so that data acquired by more sensors can be supported and acquired under the condition that the number of the data processor is not increased, and more detailed monitoring of a battery pack is realized.
In a preferred embodiment of the utility model, each matrix switch has an equal number of inputs I as shown in FIG. 2 k The method comprises the steps of carrying out a first treatment on the surface of the Correspondingly, each sensing unit is provided with corresponding data acquisition ends with the same quantity. Thus, each input terminal I k When the battery monitoring system is connected with each data acquisition end in a one-to-one correspondence manner, the battery monitoring system internally forms K multiplied by n data output channels.
With continued reference to fig. 1, each sensing unit preferably includes: n sensors. Each sensor correspondingly collects the operation data of one battery, n batteries are connected to form battery packs, and each battery pack is connected with each other and connected with an input end I (n, K) in a corresponding matrix switcher to form a KXn data output channel. The sensor may be one or more of a voltage sensor, a temperature sensor, a current sensor, or a thermistor.
Further, each matrix switcher further includes an output terminal O k Each output end O k A port for receiving data with the data processor;
further, each matrix switcher further includes a control terminal C k The control end is respectively connected with the control pins of the corresponding data processor and is used for switching among a plurality of data output channels formed by the input ends I (n, k) and the data acquisition ends according to the instruction of the data processor, and the operation parameters received by the selected input ends I (n, k) are transmitted to the output end O k To the data processor.
Specifically, when the data processor needs to receive the parameters acquired by the sensor 1 in the 1 st sensing unit, the data processor sends the parameters to the control terminal C 1 Sending out an instruction, switching to a data output channel of an input end I (1, 1) connected with the sensor 1, and acquiring operation data of a battery corresponding to the sensor 1;
similarly, when the data processor needs to receive the parameters collected by the sensor 5 in the 3 rd sensing unit, the data processor sends the parameters to the control end C 3 And sending out an instruction, switching to a data output channel of an input end I (3, 5) connected with the sensor 5, and acquiring the operation data of the battery corresponding to the sensor 5.
Or when the data processor needs to receive the parameters acquired by the sensors 1 in each sensing unit, the data processor sends the parameters to the control terminal C 1 -C K And sending out an instruction, switching to K data output channels of the input ends I (K, 1) connected with the sensors 1, and acquiring the operation data of the batteries corresponding to the sensors 1 in the sensing units.
In this embodiment, the data processor only needs one receiving port to realize reading of a plurality of sensors, so that more sensors are supported to perform data acquisition under the condition of utilizing the existing data processor, and therefore, the battery pack is monitored more carefully.
Embodiment two:
fig. 3 is a schematic diagram of a satellite-borne battery monitoring system according to one embodiment of the present application.
As shown in fig. 3, the on-board battery monitoring system includes: the system comprises a satellite-borne computer, battery monitoring equipment and a battery unit;
the space-borne computer is used as a monitoring host and used for monitoring the operation data of each battery unit;
the battery monitoring device includes: the CAN bus interface, the data processor and the K matrix switchers;
the battery cell includes: k sensing units, wherein K is more than or equal to 2.
Further, the satellite-borne computer is connected with the battery monitoring equipment through a CAN bus, and the data processor is connected with the CAN bus through a CAN bus interface;
the sensing unit includes: n data acquisition ends and n sensors;
the matrix switcher includes: output terminal O k Control terminal C k And n input terminals I k ，n＝1，2，3，...。
The n sensors are connected with the n batteries and used for collecting operation data of the corresponding batteries, and the n sensors are connected with input ends I (n, k) in the corresponding matrix switcher to form respective data transmission channels.
Each control end C k Switching between a plurality of data output channels formed by input terminals I (n, k) and data acquisition terminals according to instructions of a data processor, and passing selected operating parameters received by the input terminals I (n, k) through output terminals O k And transmitting the data to a data processor and uploading the data to the on-board computer.
In this embodiment, the data processor can read the plurality of sensors only by using one receiving port, and when more batteries need to be monitored, the number of the data processor does not need to be increased, and each battery is monitored more carefully by switching each data transmission channel.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A battery monitoring system, comprising:
monitoring a host;
the data processor is connected with the monitoring host through a CAN bus;
k sensing units, wherein K is more than or equal to 2;
the sensing unit includes: n data acquisition ends, n=1, 2,3, …;
k matrix switchers, wherein the K matrix switchers are connected with the data processor through a cascade structure and transmit operation data to the data processor;
the matrix switcher includes: n input terminals;
the sensing units are in one-to-one correspondence with the matrix switcher units, and each input end is connected with the corresponding data acquisition end to form a data output channel.
2. The battery monitoring system of claim 1, wherein the sensing unit comprises: n sensors;
the sensor is correspondingly connected with the input end to form n data output channels.
3. The battery monitoring system according to claim 1 or 2, wherein the matrix switcher further comprises: a control end;
the control end is connected with the data processor and controls the switching of the data output channel.
4. The battery monitoring system of claim 1, wherein the matrix switcher further comprises: and the output end is connected with the data processor.
5. The battery monitoring system of claim 2, wherein the sensor is one or more of a voltage sensor, a temperature sensor, a current sensor, or a thermistor.
6. The battery monitoring system of claim 1, wherein the number of inputs to each of the matrix switches is the same, forming a kxn data output channel.
7. A satellite-borne battery monitoring system, comprising: the system comprises a satellite-borne computer, battery monitoring equipment and a battery unit;
the on-board computer is a monitoring host of the battery monitoring system according to any one of claims 1-6;
the battery monitoring device includes: a data processor, K matrix switches, of a battery monitoring system as claimed in any one of claims 1-6;
the battery cell includes: the K sensing units of the battery monitoring system of any one of claims 1-6.
8. The battery monitoring system of claim 7, wherein the battery monitoring device further comprises: CAN bus interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236487.8U CN219369951U (en) | 2023-02-16 | 2023-02-16 | Battery monitoring system and satellite-borne battery monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320236487.8U CN219369951U (en) | 2023-02-16 | 2023-02-16 | Battery monitoring system and satellite-borne battery monitoring system |
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| CN219369951U true CN219369951U (en) | 2023-07-18 |
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| CN202320236487.8U Active CN219369951U (en) | 2023-02-16 | 2023-02-16 | Battery monitoring system and satellite-borne battery monitoring system |
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