CN217981772U

CN217981772U - Storage battery internal resistance on-line monitoring device

Info

Publication number: CN217981772U
Application number: CN202222144797.5U
Authority: CN
Inventors: 王书林
Original assignee: Zhengzhou Agus Electronic Technology Co ltd
Current assignee: Zhengzhou Agus Electronic Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-06
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses an on-line monitoring device for internal resistance of a storage battery, which comprises a box body, a storage battery is clamped at the middle position of the inner wall of the bottom of the box body, a temperature sensor is fixedly arranged on the inner wall of one side of the box body, a thermometer is inserted into one side of the outer wall of the top of the box body, a heating mechanism is arranged on one side of the outer wall of the top of the box body, one ends of the thermometer and the heating mechanism are both communicated with the inside of the box body, a controller and an alarm lamp are fixedly arranged on the outer wall of the box body, and a detection mechanism is arranged on the inner wall of the bottom of the box body; the utility model discloses it is suitable to ensure the ambient temperature that the battery was located, and the thermometer shows that the box is internal temperature, if the temperature is lower, then start heating mechanism and bulge hot-blast make the inside temperature of box rise, and the follow-up monitoring battery internal resistance of being convenient for sets up low temperature early warning value through temperature sensor, after the lower early warning value that triggers of box internal temperature, can cause the alarm lamp to report to the police to remind the staff to handle.

Description

Storage battery internal resistance on-line monitoring device

Technical Field

The utility model relates to a battery internal resistance test technical field specifically is a battery internal resistance on-line monitoring device.

Background

The device for converting chemical energy into electric energy is called a chemical battery, generally called a battery for short, and after discharging, the device can regenerate internal active substances in a charging mode and store the electric energy into chemical energy; when discharging is needed, chemical energy is converted into electric energy again, the battery is called as a storage battery, and an online storage battery internal resistance monitoring device is usually needed when the internal resistance of the storage battery is monitored.

Through retrieval, the device comprises an intelligent display main control and a plurality of test modules electrically connected with the intelligent display main control. The following disadvantages exist: the online monitoring device for the internal resistance of the storage battery has the advantages that the components are complicated, the use is troublesome, the detection data are unknown, the problem that the internal resistance of the storage battery is influenced is not considered, the alternating current-direct current internal resistance of the storage battery and the temperature show an obvious inverse relation, namely the internal resistance of the storage battery is increased when the temperature is reduced, and the typical nonlinear characteristic is shown, so that the temperature influences the data size of the internal resistance of the storage battery, and therefore, the online monitoring device for the internal resistance of the storage battery needs to be designed urgently to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery internal resistance on-line monitoring device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an internal resistance of battery on-line monitoring device, includes the box, the position joint in the middle of the bottom half inner wall has the battery, fixed mounting has temperature sensor on one side inner wall of box, one side of box top outer wall is pegged graft and is had the thermometer, one side of box top outer wall is equipped with heating mechanism, the thermometer all is linked together with the inside of box with the one end of heating mechanism, fixed mounting has controller and alarm lamp on the outer wall of box, be equipped with detection mechanism on the bottom inner wall of box.

Preferably, the detection mechanism comprises a universal meter and a stabilized voltage power supply, the universal meter and the stabilized voltage power supply are all clamped on the inner wall of the bottom of the box body, a detection pen is inserted into the output end of the universal meter, the detection pen is connected with the positive end and the negative end of the storage battery, a wire is inserted into one end of the stabilized voltage power supply, and the other end of the wire is inserted into the outer wall of one side of the storage battery.

Preferably, the heating mechanism comprises a fan and a heater, the fan is fixedly mounted on the outer wall of the top of the box body, the heater is fixedly mounted on the inner wall of the top of the box body, an air inlet pipe is inserted into the output end of the fan, one end of the air inlet pipe is communicated with the inside of the heater, and an air outlet is formed in the outer wall of the bottom of the heater.

Preferably, the temperature sensor, the alarm lamp and the controller are electrically connected.

Preferably, a fan is fixedly mounted on the inner wall of one side of the box body, and a plurality of through holes are formed in the position, close to the fan, of the outer wall of one side of the box body.

Preferably, a radiating pipe is inserted in a position, close to the top, of the outer wall of one side of the box body, and an electromagnetic valve is fixed on the circumferential outer wall of the radiating pipe through bolts.

Preferably, the outer wall of the bottom of the box body is close to four corners and is bonded with rubber cushion blocks, and the middle position of the outer wall of the bottom of the box body is bonded with a moisture-proof pad.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in through setting up temperature sensor, the thermometer, the alarm lamp, controller and heating mechanism, can influence the resistance of battery internal resistance because of the height of temperature, in order to reduce the influence, it is suitable to ensure the ambient temperature that the battery locates promptly, the temperature in the thermometer display box body, if the temperature is lower, then start heating mechanism and bulge out hot-blast make the inside temperature of box rise, the follow-up monitoring battery internal resistance of being convenient for sets up low temperature early warning value through temperature sensor, after the internal temperature of box is lower to trigger the early warning value, can cause the alarm lamp to report to the police, thereby remind the staff to handle.

The utility model discloses well fan and cooling tube, start blowing in the box is inside behind the fan, the inside circulation of air of being convenient for, the unnecessary heat of discharge is convenient for through the cooling tube, avoids inside high temperature and influences the use of battery.

Drawings

Fig. 1 is a schematic view of an overall structure of an online monitoring device for internal resistance of a storage battery 1 in an embodiment.

Fig. 2 is a schematic front sectional view of an online monitoring device for internal resistance of a storage battery in embodiment 1.

Fig. 3 is a schematic structural diagram of a detection mechanism and a storage battery of the storage battery internal resistance online monitoring device in embodiment 1.

Fig. 4 is a schematic perspective view of an online monitoring device for internal resistance of a storage battery in embodiment 2.

In the figure: 1. a box body; 2. a controller; 3. an air inlet pipe; 4. a fan; 5. a thermometer; 6. an electromagnetic valve; 7. a radiating pipe; 8. an alarm lamp; 9. a universal meter; 10. a storage battery; 11. a wire; 12. a regulated power supply; 13. a through hole; 14. a fan; 15. an air outlet; 16. a heater; 17. a temperature sensor; 18. a detection pen; 19. a rubber cushion block; 20. a moisture-proof pad.

Detailed Description

Example 1

Please refer to fig. 1-3, in an embodiment of the present invention, an online monitoring device for internal resistance of battery, including a box 1, a battery 10 is connected to a middle position of an inner wall of a bottom of the box 1, a temperature sensor 17 is fixedly mounted on an inner wall of one side of the box 1, a thermometer 5 is inserted into one side of an outer wall of a top of the box 1, a heating mechanism is disposed on one side of the outer wall of the top of the box 1, one ends of the thermometer 5 and the heating mechanism are both communicated with the inside of the box 1, a controller 2 and an alarm lamp 8 are fixedly mounted on an outer wall of the box 1, a detecting mechanism is disposed on an inner wall of the bottom of the box 1, and is connected with the battery 10 through the detecting mechanism, thereby detecting the internal resistance of the battery 10, in order to avoid the temperature to affect the internal resistance of the battery 10, the temperature in the box 1 is determined by the thermometer 5, if the temperature is lower, the heating mechanism is used for heating, and it is ensured that the temperature in the box 1 is appropriate.

Further, the detection mechanism comprises a universal meter 9 and a stabilized voltage power supply 12, the universal meter 9 and the stabilized voltage power supply 12 are both clamped on the inner wall of the bottom of the box body 1, a detection pen 18 is inserted into the output end of the universal meter 9, the detection pen 18 is connected with the positive and negative ends of the storage battery 10, a lead 11 is inserted into one end of the stabilized voltage power supply 12, the other end of the lead 11 is inserted into the outer wall of one side of the storage battery 10, a very large constant direct current (a large current of 40A-80A is generally used at present for 2-3 seconds) is passed through the stabilized voltage power supply 12 to the storage battery 10 in a short time, detection is facilitated, voltages at the two ends of the storage battery 10 are measured through the universal meter 9, and then internal resistance is calculated.

Further, the heating mechanism comprises a fan 4 and a heater 16, the fan 4 is fixedly installed on the outer wall of the top of the box body 1, the heater 16 is fixedly installed on the inner wall of the top of the box body 1, the output end of the fan 4 is connected with the air inlet pipe 3 in an inserting mode, one end of the air inlet pipe 3 is communicated with the inside of the heater 16, the outer wall of the bottom of the heater 16 is provided with an air outlet 15, heating is carried out through the heater 16, then the fan 4 is started to blow air through the air inlet pipe 3, heat is brought into the box body 1, and the temperature in the box body 1 is guaranteed to be proper.

Further, temperature sensor 17,

alarm lamp

8 and 2 electric connection of controller, through temperature sensor 17 monitoring box 1 internal temperature, trigger the early warning value if the temperature is low and then give controller 2 with signal transmission, controller 2 control alarm lamp 8 reports to the police, reminds the staff to handle before.

Furthermore, a fan 14 is fixedly installed on the inner wall of one side of the box body 1, a plurality of through holes 13 are formed in the position, close to the fan 14, of the outer wall of one side of the box body 1, and the fan 14 is started to blow air, so that air inside the box body 1 can circulate conveniently.

Further, the position that one side outer wall of box 1 is close to the top is pegged graft and is had cooling tube 7, has solenoid valve 6 through the bolt fastening on the circumference outer wall of cooling tube 7, and when the high temperature in box 1, open solenoid valve 6, can the heat be discharged by cooling tube 7.

The utility model discloses a theory of operation is: when the temperature-measuring and warning device is used, the storage battery 10, the universal meter 9 and the stabilized voltage power supply 12 are connected as shown in the drawing, the connection is disconnected when the temperature is not detected, according to a direct current discharging internal resistance measuring method, a large constant direct current (a large current of 40-80A is generally used at present, the time is 2-3 seconds) is passed through the stabilized voltage power supply 12 to the storage battery 10 in a short time, the universal meter 9 measures the voltage at two ends of the storage battery 10 at the moment, the current internal resistance of the battery is calculated according to a physical formula R which is equal to U divided by I, the resistance value of the internal resistance of the storage battery 10 can be influenced by the temperature, in order to reduce the influence, namely to ensure that the environment temperature of the storage battery 10 is proper, the thermometer 5 displays the temperature in the box body 1, if the temperature is low, the heating mechanism is started, the fan 4 blows hot air through the heater 16 to increase the internal temperature of the box body 1, the subsequent monitoring of the internal resistance of the storage battery 10 is facilitated, the low-temperature early warning value is set through the temperature sensor 17, and after the low-triggering early warning value is triggered, the alarm lamp 8 is triggered, so that a worker is reminded to process.

Example 2

Referring to fig. 1 and 4, the difference from embodiment 1 is that rubber pads 19 are adhered to four corners of the outer wall of the bottom of the box 1, and a moisture-proof pad 20 is adhered to the middle position of the outer wall of the bottom of the box 1.

The utility model discloses a theory of operation is: raise the device through rubber cushion 19, when playing buffering shock attenuation effect, avoid bottom moisture direct access box 1 to influence the use of battery 10, prevent the invasion of moisture through dampproofing pad 20.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The utility model provides a battery internal resistance on-line monitoring device, includes box (1), its characterized in that: the improved refrigerator is characterized in that a storage battery (10) is clamped in the middle of the inner wall of the bottom of the box body (1), a temperature sensor (17) is fixedly mounted on the inner wall of one side of the box body (1), a thermometer (5) is inserted into one side of the outer wall of the top of the box body (1), a heating mechanism is arranged on one side of the outer wall of the top of the box body (1), one ends of the thermometer (5) and the heating mechanism are communicated with the inside of the box body (1), a controller (2) and an alarm lamp (8) are fixedly mounted on the outer wall of the box body (1), and a detection mechanism is arranged on the inner wall of the bottom of the box body (1).

2. The on-line monitoring device for internal resistance of the storage battery according to claim 1, characterized in that: detection mechanism includes universal meter (9) and constant voltage power supply (12), universal meter (9) and the equal joint of constant voltage power supply (12) are on the bottom inner wall of box (1), the output of universal meter (9) is pegged graft and is had test pen (18), test pen (18) link to each other with the positive negative pole both ends of battery (10), the one end of constant voltage power supply (12) is pegged graft and is had wire (11), the other end of wire (11) is pegged graft on one side outer wall of battery (10).

3. The device of claim 1, wherein the device comprises: the heating mechanism comprises a fan (4) and a heater (16), the fan (4) is fixedly installed on the outer wall of the top of the box body (1), the heater (16) is fixedly installed on the inner wall of the top of the box body (1), the output end of the fan (4) is connected with an air inlet pipe (3) in an inserting mode, one end of the air inlet pipe (3) is communicated with the inside of the heater (16), and an air outlet (15) is formed in the outer wall of the bottom of the heater (16).

4. The device of claim 1, wherein the device comprises: the temperature sensor (17), the alarm lamp (8) and the controller (2) are electrically connected.

5. The device of claim 1, wherein the device comprises: the fan (14) is fixedly installed on the inner wall of one side of the box body (1), and a plurality of through holes (13) are formed in the position, close to the fan (14), of the outer wall of one side of the box body (1).

6. The on-line monitoring device for internal resistance of the storage battery according to claim 1, characterized in that: the radiating pipe (7) is inserted in the position, close to the top, of the outer wall of one side of the box body (1), and the electromagnetic valve (6) is fixed on the outer wall of the circumference of the radiating pipe (7) through bolts.

7. The device of claim 1, wherein the device comprises: the outer wall of the bottom of the box body (1) is close to four corners and is bonded with rubber cushion blocks (19), and the middle position of the outer wall of the bottom of the box body (1) is bonded with a moisture-proof pad (20).