CN217085214U

CN217085214U - Integrated acquisition device suitable for base station storage battery

Info

Publication number: CN217085214U
Application number: CN202220627045.1U
Authority: CN
Inventors: 王金宇; 刘津义
Original assignee: Harbin Jiayun Technology Co ltd
Current assignee: Harbin Jiayun Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-29
Anticipated expiration: 2032-03-22

Abstract

The utility model provides an integrated form collection system suitable for basic station storage battery belongs to battery monitoring technology field, the utility model discloses a solve the problem of the unable accurate measurement battery internal resistance of current centralized storage battery collector and temperature. It includes: the multiple independent storage battery data acquisition units, the power supply communication mainboard, the core MCU mainboard and the communication summary bottom plate are all arranged in the inner cavity of the shell; be provided with an external wiring port on every stand alone type battery data acquisition unit respectively, be connected through data acquisition line between external wiring port and the battery, multiunit stand alone type battery data acquisition unit all sets up on the communication bottom plate that gathers, the communication gathers and is connected through first connecting wire between bottom plate and the core MCU mainboard, be connected through the second connecting wire between core MCU mainboard and the power communication mainboard, the power setting is on power communication mainboard, be provided with the power port on the power. The utility model is used for monitor a plurality of batteries.

Description

Integrated acquisition device suitable for base station storage battery

Technical Field

The utility model relates to an integrated form collection system suitable for basic station storage battery belongs to battery monitoring technology field.

Background

The monitoring of the storage battery is a process of measuring the current and terminal voltage changes of the battery in the discharging and charging states of the battery, automatically obtaining test data and giving an alarm in time. The collector can manage a plurality of groups of storage batteries and plays a role of a management host.

The collectors used in the field of current storage battery monitoring are mostly integrated and distributed. The centralized collector is characterized in that a line is respectively led out from the positive electrode and the negative electrode of each battery and connected to the collector. Such a method has the following problems:

1. generally, the voltage of the battery can only be measured accurately, and the internal resistance and the temperature of the battery cannot be measured accurately;

2. because each battery is converged into the collector, high voltage equal to the terminal voltage of the battery pack is formed in the collector invisibly, and the safety of the collector is not good;

3. if the fault occurs, only the whole mainboard can be replaced, which is inconvenient and uneconomical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is in order to solve the problem of the unable accurate measurement battery internal resistance of centralized storage battery collector and temperature, provides an integrated form collection system suitable for basic station storage battery.

An integrated form collection system suitable for basic station storage battery, it includes: the device comprises a shell, a plurality of groups of independent storage battery data acquisition units, an external wiring port, a data acquisition line, an Ethernet communication port, a power supply communication mainboard, a second connecting line, a core MCU mainboard, a first connecting line and a communication summary bottom plate;

the multiple independent storage battery data acquisition units, the power supply communication mainboard, the core MCU mainboard and the communication summary bottom plate are all arranged in the inner cavity of the shell, and the external wiring port, the Ethernet communication port and the power supply port are all arranged on the outer side wall of the shell;

be provided with an external wiring port on every stand alone type battery data acquisition unit respectively, be connected through data acquisition line between external wiring port and the battery, multiunit stand alone type battery data acquisition unit all sets up on the communication bottom plate that gathers, the communication is gathered and is connected through first connecting wire between bottom plate and the core MCU mainboard, be connected through the second connecting wire between core MCU mainboard and the power communication mainboard, the power setting is on power communication mainboard, be provided with the power port on the power.

Preferably, the data acquisition line is a six-wire sheath line, wherein two of the data acquisition line are connected with the positive electrode of the storage battery, two of the data acquisition line are connected with the negative electrode of the storage battery, and two of the data acquisition line are connected with an NTC thermistor which is used for detecting the temperature of the pole of the storage battery.

Preferably, the independent storage battery data acquisition unit measures the voltage, the internal resistance and the pole temperature information of the storage battery and transmits the measured and obtained information to the upper computer through the Ethernet communication port.

Preferably, the housing is made of iron.

Preferably, the number of the ethernet communication ports is plural.

Preferably, the power supply includes: the system comprises a host power supply with a nominal value of 5V, a current sensor power supply with a nominal value of +/-15V and an internal bus isolation power supply with a nominal value of 15V.

The utility model has the advantages that: adopt the utility model provides an integrated form collection system suitable for base station storage battery adopts the independent battery data acquisition unit of multiunit, can gather the voltage, internal resistance and the utmost point post temperature information of a plurality of batteries. Has the following advantages:

1. the data acquisition units of the multiple independent storage batteries are completely independent, so that the danger of high voltage formation in the acquisition device is avoided;

2. each independent unit leads out a bundle of measuring wires to the corresponding battery, the number of the measuring wires is two, the number of the positive electrodes is two, the number of the negative electrodes is two, the internal resistance and the voltage of the battery are measured by applying the Kelvin four-wire system principle, the function of the existing centralized collector is realized, and meanwhile, the internal resistance of the battery can be accurately measured;

3. a temperature measuring special line is additionally arranged on the cathode, the temperature of the pole is measured on the cathode of the battery, and the battery pole directly reaches the inside of the battery, so that the internal temperature of the battery can be well represented.

In addition, when the single group of battery data collector breaks down, the single group of battery data collector can be replaced independently, so that the maintenance period is shortened, and the maintenance cost is reduced.

Drawings

Fig. 1 is the structure diagram of the integrated acquisition device suitable for the base station storage battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Example 1:

the present embodiment is described below with reference to fig. 1, and the integrated acquisition apparatus suitable for a base station battery pack according to the present embodiment includes: the system comprises a shell 1, a plurality of groups of independent storage battery data acquisition units 2, an external connection line port 3, a data acquisition line 4, an Ethernet communication port 5, a power port 6, a power supply 8, a power supply communication mainboard 9, a second connection line 10, a core MCU mainboard 11, a first connection line 12 and a communication summary bottom plate 13;

the multiple groups of independent storage battery data acquisition units 2, the power supply 8, the power supply communication mainboard 9, the core MCU mainboard 11 and the communication summary bottom plate 13 are all arranged in the inner cavity of the shell 1, and the external wiring port 3, the Ethernet communication port 5 and the power supply port 6 are all arranged on the outer side wall of the shell 1;

be provided with one respectively on every stand alone type battery data acquisition unit 2 and to external wiring port 3, connect through data acquisition line 4 between external wiring port 3 and the battery 7, multiunit stand alone type battery data acquisition unit 2 all sets up on communication bottom plate 13 that gathers, the communication gathers and is connected through first connecting wire 12 between bottom plate 13 and the core MCU mainboard 11, connect through second connecting wire 10 between core MCU mainboard 11 and the power communication mainboard 9, power 8 sets up on power communication mainboard 9, be provided with power port 6 on the power 8.

Further, the data acquisition line 4 is a six-wire sheath line, wherein two of the data acquisition line are connected with the positive electrode of the storage battery 7, two of the data acquisition line are connected with the negative electrode of the storage battery 7, and two of the data acquisition line are connected with an NTC thermistor which is used for detecting the temperature of the pole of the storage battery 7.

Further, the independent storage battery data acquisition unit 2 measures the voltage, internal resistance and pole temperature information of the storage battery 7 and transmits the measured information to the upper computer through the Ethernet communication port 5.

Example 2:

another integrated acquisition device for a base station battery pack according to this embodiment includes: the device comprises a shell 1, a plurality of groups of independent storage battery data acquisition units 2, an external connection line port 3, a data acquisition line 4, an Ethernet communication port 5, a power supply port 6, a power supply 8, a power supply communication mainboard 9, a second connection line 10, a core MCU mainboard 11, a first connection line 12 and a communication collection bottom plate 13;

a plurality of independent storage battery data acquisition units 2, a power supply 8, a power supply communication mainboard 9, a core MCU mainboard 11 and a communication collecting bottom plate 13 are all arranged in the inner cavity of the shell 1, and an external wiring port 3, an Ethernet communication port 5 and a power supply port 6 are all arranged on the outer side wall of the shell 1;

Further, the number of the ethernet communication ports 5 is plural.

Further, the housing 1 is made of iron. The iron housing 1 can protect components such as internal circuits from damage.

Further, the power supply 8 includes: the system comprises a host power supply with a nominal value of 5V, a current sensor power supply with a nominal value of +/-15V and an internal bus isolation power supply with a nominal value of 15V.

The utility model discloses in, MCU in the core MCU mainboard 11 adopts STM32F072C8T6 as main control chip. The power communication motherboard 9 has functions of power management, and ethernet communication conversion. The power port 6 is the power input and switch of the harvester. The power communication motherboard 9 is a power and communication motherboard, and integrates a power and ethernet-to-UART module. The second connecting line 10 is used for the power communication mainboard 9 and the core MCU mainboard 11 to communicate and supply power. The core MCU mainboard 11 is used for collecting the data of the independent storage battery data acquisition unit 2 and carrying out operations such as integration, caching, operation, comparison and the like. The first connecting line 12 is used for power supply and communication between the core MCU main board 11 and the communication summary bottom board 13. The communication collecting bottom plate 13 bears all independent storage battery data acquisition units 2, and the communication of all the units is cascaded and collected, so that the core MCU mainboard 11 can collect the data conveniently.

The utility model discloses in, through the utility model provides an integrated form collection system suitable for base station storage battery can measure voltage, internal resistance and utmost point post temperature of acquireing battery 7 through stand alone type battery data acquisition unit 2.

The utility model discloses in, stand alone type battery data acquisition unit 2 can be independent, convenient change.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims

1. An integrated acquisition device suitable for a base station battery pack, comprising: the device comprises a shell (1), a plurality of groups of independent storage battery data acquisition units (2), an external connection line port (3), a data acquisition line (4), an Ethernet communication port (5), a power supply port (6), a power supply (8), a power supply communication mainboard (9), a second connection line (10), a core MCU mainboard (11), a first connection line (12) and a communication summary bottom plate (13);

the multiple groups of independent storage battery data acquisition units (2), the power supply (8), the power supply communication mainboard (9), the core MCU mainboard (11) and the communication collection bottom plate (13) are all arranged in the inner cavity of the shell (1), and the external wiring port (3), the Ethernet communication port (5) and the power supply port (6) are all arranged on the outer side wall of the shell (1);

be provided with one on every stand alone type battery data acquisition unit (2) and externally connect line port (3) respectively, connect through data acquisition line (4) between externally connected line port (3) and battery (7), multiunit stand alone type battery data acquisition unit (2) all set up on communication bottom plate (13) of gathering, the communication is gathered and is connected through first connecting wire (12) between bottom plate (13) and core MCU mainboard (11), connect through second connecting wire (10) between core MCU mainboard (11) and power communication mainboard (9), power (8) set up on power communication mainboard (9), be provided with power port (6) on power (8).

2. The integrated acquisition device for a base station battery pack according to claim 1, characterized in that the data acquisition line (4) is a six-wire sheath line, two of which are connected to the positive pole of the battery (7) and two of which are connected to the negative pole of the battery (7), and two of which are connected to NTC thermistors for detecting the temperature of the poles of the battery (7).

3. The integrated acquisition device suitable for the base station storage battery pack as claimed in claim 2, wherein the independent storage battery data acquisition unit (2) measures the voltage, internal resistance and pole temperature information of the storage battery (7) and transmits the measured information to the upper computer through the Ethernet communication port (5).

4. The integrated acquisition device for a battery pack of base stations according to claim 1, characterized in that said casing (1) is made of iron.

5. The integrated acquisition device for a battery pack of base stations according to claim 1, characterized in that the number of Ethernet communication ports (5) is multiple.

6. An integrated pick-up unit for a battery pack of base stations according to claim 1, characterised in that the power supply (8) comprises: the system comprises a host power supply with a nominal value of 5V, a current sensor power supply with a nominal value of +/-15V and an internal bus isolation power supply with a nominal value of 15V.