CN212207615U - Storage battery performance test system under multiple conditions - Google Patents
Storage battery performance test system under multiple conditions Download PDFInfo
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- CN212207615U CN212207615U CN201922407743.1U CN201922407743U CN212207615U CN 212207615 U CN212207615 U CN 212207615U CN 201922407743 U CN201922407743 U CN 201922407743U CN 212207615 U CN212207615 U CN 212207615U
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Abstract
The utility model provides a multi-condition storage battery performance test system, which comprises a battery pack, an Uninterruptible Power Supply (UPS), a switching power supply T1 and a direct current electronic load; the Input end of the switch power supply T1 is connected with a mains supply, the output end of the switch power supply T1 is connected with an Input interface Input + and an Input-of the UPS, and a battery interface Bat + and a battery interface Bat-of the UPS are connected with the battery pack; output interfaces Output + and Output-of the UPS are connected with power supply interfaces X11 and X12 of a DC electronic load; the voltage detection interfaces X21 and X22 of the direct current electronic load are connected with a battery pack; the direct current electronic load is used for adjusting the load and detecting the voltage of the battery pack; and a power protection switch F1 is arranged between the switching power supply T1 and the mains supply. A many condition down battery capability test system solved effectively and built, changed test load frock loaded down with trivial details, the single problem of test environment has improved efficiency of software testing and test data's accuracy.
Description
Technical Field
The utility model belongs to electric power product test field especially relates to a battery capability test system under many conditions.
Background
In the electric control system, when the mains supply input is cut off, the storage battery is used as a backup power supply to continuously supply power to control equipment such as a PLC (programmable logic controller) and the like, the safety, the process control and the data recording and storage within a limited time of the system are ensured, and the performance of the storage battery plays a key role at the moment. However, when testing the storage battery, because of the difference between the power supply load and the required power supply time, the following disadvantages exist in the ordinary test: the test load tool is complicated to build and replace, and the test efficiency is low; the environmental test data is single, and the performance of the environmental test data cannot be fully verified; the experimental data are inconvenient to look over, and the service life of the battery is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention aims to overcome the above-mentioned drawbacks in the prior art and provide a multi-condition battery performance testing system.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a multi-condition storage battery performance test system comprises a battery pack, an Uninterruptible Power Supply (UPS), a switching power supply T1 and a direct-current electronic load;
the UPS is provided with Input interfaces Input + and Input-, Output interfaces Output + and Output-, and battery interfaces Bat + and Bat-; the electronic load is provided with power supply interfaces X11 and X12, voltage detection interfaces X21 and X22 and state feedback interfaces X31 and X32;
the Input end of the switch power supply T1 is connected with a mains supply, the output end of the switch power supply T1 is connected with an Input interface Input + and an Input-of the UPS, and a battery interface Bat + and a battery interface Bat-of the UPS are connected with the battery pack;
output interfaces Output + and Output-of the UPS are connected with power supply interfaces X11 and X12 of a DC electronic load; the voltage detection interfaces X21 and X22 of the direct current electronic load are connected with a battery pack; the direct current electronic load is used for adjusting the load and detecting the voltage of the battery pack;
and a power protection switch F1 is arranged between the switching power supply T1 and the mains supply.
Further, the battery pack protection circuit is included; the battery pack protection circuit comprises a switching power supply T2 and a contactor KM 1; the input end of the switching power supply T2 is connected with a mains supply, the output end of the switching power supply is connected with a contactor KM1, and a contactor KM1 is connected with state feedback interfaces X31 and X32 of a direct-current electronic load; the 1/2 and 3/4 contacts of the contactor KM1 are arranged on a circuit for connecting battery interfaces Bat + and Bat-of the UPS with the battery pack; and a power protection switch F2 is arranged between the switching power supply T2 and the mains supply.
Further, a PC device is included; the contactor KM1 is connected with PC equipment and supplies power to the PC equipment; the direct current electronic load is also provided with PC end communication interfaces X41 and X42; and PC end communication interfaces X41 and X42 of the direct current electronic load are connected with PC equipment.
Further, the uninterruptible power supply UPS is also connected with the PC equipment.
Further, a constant temperature and humidity box U2 is included; the battery pack is arranged in a constant temperature and humidity box U2.
Compared with the prior art, the utility model discloses following advantage has:
the problems that the test load tool is complicated to build and replace and the test efficiency is low are effectively solved; the environmental test data is single, and the performance of the environmental test data cannot be fully verified; the test data are inconvenient to look over, the service life of the battery is influenced, and the like, so that the test efficiency of the test and the accuracy of the test data are improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a circuit diagram of a multi-condition battery performance testing system according to an embodiment of the present invention;
fig. 2 is a flow chart of a system for testing battery performance under multiple conditions according to an embodiment of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and fig. 2, a multi-condition battery performance testing system includes a battery pack, an uninterruptible power supply UPS, a switching power supply T1, and a dc electronic load;
the UPS is provided with Input interfaces Input + and Input-, Output interfaces Output + and Output-, and battery interfaces Bat + and Bat-; the electronic load is provided with power supply interfaces X11 and X12, voltage detection interfaces X21 and X22 and state feedback interfaces X31 and X32;
the Input end of the switch power supply T1 is connected with a mains supply, the output end of the switch power supply T1 is connected with an Input interface Input + and an Input-of the UPS, and a battery interface Bat + and a battery interface Bat-of the UPS are connected with the battery pack;
output interfaces Output + and Output-of the UPS are connected with power supply interfaces X11 and X12 of a DC electronic load; the voltage detection interfaces X21 and X22 of the direct current electronic load are connected with a battery pack; the direct current electronic load is used for adjusting the load and detecting the voltage of the battery pack;
and a power protection switch F1 is arranged between the switching power supply T1 and the mains supply.
The battery pack protection circuit is included; the battery pack protection circuit comprises a switching power supply T2 and a contactor KM 1; the input end of the switching power supply T2 is connected with a mains supply, the output end of the switching power supply is connected with a contactor KM1, and a contactor KM1 is connected with state feedback interfaces X31 and X32 of a direct-current electronic load; the 1/2 and 3/4 contacts of the contactor KM1 are arranged on a circuit for connecting battery interfaces Bat + and Bat-of the UPS with the battery pack; and a power protection switch F2 is arranged between the switching power supply T2 and the mains supply.
Comprises a PC device; the contactor KM1 is connected with PC equipment and supplies power to the PC equipment; the direct current electronic load is also provided with PC end communication interfaces X41 and X42; and PC end communication interfaces X41 and X42 of the direct current electronic load are connected with PC equipment.
The UPS is also connected with the PC equipment.
Comprises a constant temperature and humidity box U2; the battery pack is arranged in a constant temperature and humidity box U2.
As shown in fig. 1, F1 is a power protection switch, and T1 is a 24VDC switch power supply (changing 220VAC to 24VDC) to charge the battery pack, ensuring that the battery pack is in a full power state before testing; f2 is a power protection switch, T2 is a 24VDC switching power supply, and 24V power supply is provided for PC equipment; t3 is a DC UPS series uninterrupted power supply, and provides a stable and reliable 24V power supply for a test loop; u1 is a DC electronic load, and can be used for four tests of constant current mode, constant voltage mode, constant resistance mode and constant power mode; the U2 constant temperature and humidity box can simulate the discharge of an actual industrial control battery;
x5:1, 2, 3.. N and X5:1 ', 2 ', 3.. N ' are positive and negative battery terminals, respectively, and the batteries G1, G2, G3, etc. can be connected to the corresponding terminals;
x5: and the N + 1' are voltage measuring terminals which can be connected with a direct current electronic load to measure the voltage value of the battery in the discharging process.
The 220V power supply is converted into 24V power by a T1 switching power supply, and the battery pack is charged by an uninterrupted power supply T3. The T3 ups has 3 state feedbacks:
t3:11/12/14 alarm feedback: when the commercial power input is disconnected, the 11/14 contact is changed from normally open to normally closed;
t3:21/22/24 battery mode: the battery supplies power to the back end circuit, and the 21/24 contact is changed from normally open to normally closed
T3:31/32/34 charging mode: 31/34 contact is normally open to normally closed when charging the battery;
the switching power supply T2 converts 220V into 24Vdc, provides 24V power for a coil of KM1 and PC display, and XP1 and XP2 are 24V power supply terminals and can provide 24V power supply for related tests in the later period.
Closing the F1 to charge the battery before testing, and performing subsequent battery performance testing after charging is finished;
adjusting the electronic load setting value according to the actual load size, closing an F2 switch, electrifying a KM1 coil, and closing KM1:1/2 and 3/4 contacts; and the mains supply input is cut off, and the storage battery is used as a standby power supply to supply power for the electronic load through the T3 uninterruptible power supply. The uninterrupted power supply T3 has battery feedback of alarm, battery mode and charging mode, and can observe and record corresponding test data through the PC terminal.
During actual work, the battery pack, the direct current electronic load and the power supply module are connected by lines according to a circuit diagram, and a universal meter is used for checking the circuit to ensure that the circuit is connected correctly; placing the battery pack in a constant temperature and humidity box, setting the temperature of the constant temperature and humidity box, setting the temperature to be-20 ℃ according to a cooling curve, and setting the cooling rate to be 1K/min to reach the low temperature of-20 ℃; keeping the temperature constant for 8 hours; after the low-temperature storage for 8 hours is finished, continuously keeping the constant-temperature constant-humidity box at-20 ℃; carrying out low-temperature discharge test; setting the electronic load, and selecting a constant current mode, a constant voltage mode, a constant resistance mode and a constant power mode according to the actual load condition, wherein if the electronic load is selected as a constant power output mode, the output power is set to be 480W; closing the 24V power supply module protection switches F1 and F2, wherein the power supply loop F1 supplies power to the electronic load, the coil of the contactor KM1 is electrified, and the corresponding contacts 1-2 and 3-4 are closed; when the discharge performance of the battery is tested, the miniature circuit breaker F1 is disconnected, at the moment, the battery pack stably outputs 24Vdc to supply power to the electronic load through the uninterruptible power supply, and relevant information such as discharge voltage, discharge duration and the like can be displayed and observed through the PC.
According to the scheme, the load of an actual electric control cabinet is replaced by the Meirno M9713 electronic load, the load can be simulated to carry out related experimental tests in a constant current mode, a constant voltage mode, a constant resistance mode and a constant power mode, the test data is relatively accurate, a resistor does not need to be manually used for circuit building according to the load size, and the overall test efficiency is improved; the battery pack is placed in the constant temperature and humidity box, the running temperature of the actual electric control cabinet is simulated by adjusting the temperature of the constant temperature and humidity box, the performance of the battery is fully verified, and the battery is guaranteed to meet the use requirement of a control system. The direct-current electronic load is in communication connection with the PC end, the performance test condition of the direct-current electronic load can be directly observed through the PC end, test data can be exported after the test is finished, an operator is not required to record relevant test data in real time, the discharge state of the battery is controlled through a relevant control loop, and the problem that the service life of the battery is influenced due to deep discharge of the battery is avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a battery capability test system under many conditions which characterized in that: the device comprises a battery pack, an Uninterruptible Power Supply (UPS), a switching power supply T1 and a direct-current electronic load;
the UPS is provided with Input interfaces Input + and Input-, Output interfaces Output + and Output-, and battery interfaces Bat + and Bat-; the electronic load is provided with power supply interfaces X11 and X12, voltage detection interfaces X21 and X22 and state feedback interfaces X31 and X32;
the Input end of the switch power supply T1 is connected with a mains supply, the output end of the switch power supply T1 is connected with an Input interface Input + and an Input-of the UPS, and a battery interface Bat + and a battery interface Bat-of the UPS are connected with the battery pack;
output interfaces Output + and Output-of the UPS are connected with power supply interfaces X11 and X12 of a DC electronic load; the voltage detection interfaces X21 and X22 of the direct current electronic load are connected with a battery pack; the direct current electronic load is used for adjusting the load and detecting the voltage of the battery pack;
and a power protection switch F1 is arranged between the switching power supply T1 and the mains supply.
2. The system for multi-condition battery performance testing of claim 1, wherein: the battery pack protection circuit is included; the battery pack protection circuit comprises a switching power supply T2 and a contactor KM 1; the input end of the switching power supply T2 is connected with a mains supply, the output end of the switching power supply is connected with a contactor KM1, and a contactor KM1 is connected with state feedback interfaces X31 and X32 of a direct-current electronic load; the 1/2 and 3/4 contacts of the contactor KM1 are arranged on a circuit for connecting battery interfaces Bat + and Bat-of the UPS with the battery pack; and a power protection switch F2 is arranged between the switching power supply T2 and the mains supply.
3. The system of claim 2, wherein: comprises a PC device; the contactor KM1 is connected with PC equipment and supplies power to the PC equipment; the direct current electronic load is also provided with PC end communication interfaces X41 and X42; and PC end communication interfaces X41 and X42 of the direct current electronic load are connected with PC equipment.
4. A multi-condition battery performance testing system according to claim 3, wherein: the UPS is also connected with the PC equipment.
5. The system for multi-condition battery performance testing of claim 1, wherein: comprises a constant temperature and humidity box U2; the battery pack is arranged in a constant temperature and humidity box U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922407743.1U CN212207615U (en) | 2019-12-27 | 2019-12-27 | Storage battery performance test system under multiple conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922407743.1U CN212207615U (en) | 2019-12-27 | 2019-12-27 | Storage battery performance test system under multiple conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207615U true CN212207615U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922407743.1U Active CN212207615U (en) | 2019-12-27 | 2019-12-27 | Storage battery performance test system under multiple conditions |
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| Country | Link |
|---|---|
| CN (1) | CN212207615U (en) |
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- 2019-12-27 CN CN201922407743.1U patent/CN212207615U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230703 Address after: 464006 Floor 2, West Office Building, North Section of Gong22 Road, High tech Zone, Xinyang City, Henan Province Patentee after: Henan Ruiyuan Electric Technology Co.,Ltd. Address before: No.1 Xinghua No.7 Branch Road, economic development zone, Xiqing District, Tianjin Patentee before: Tianjin Ruineng electric Co.,LTD. |