CN206038868U - Battery status indicating device - Google Patents

Abstract

The utility model discloses a battery state indicating device, which comprises: a power connector, a battery connector, a sampling circuit, a state indicating module, a control unit and an electronic switch; When the battery voltage and/or current is lower than the first predetermined value, the first control signal and the second control signal are generated at its control signal generation end, so that the buzzer of the status indication module emits a sound in response to the first control signal, and the drive circuit In response to the second control signal, the light-emitting module is driven to light; when the third terminal of the electronic switch receives the first control signal and/or the second control signal from the control signal generating terminal, its first terminal is connected to the second terminal, so that the power supply passes through The power connector charges the battery. Through the above methods, the equipment operator can clearly observe the battery status by adopting the sound and light comprehensive prompting method, so as to prevent damage to the equipment and the battery.

Description

A battery status indicating device

technical field

The utility model relates to the technical field of storage batteries, in particular to a battery state indicating device.

Background technique

With the advancement and development of science and technology, written products, robots and aircraft using batteries are becoming more and more popular in daily life. Battery status indication and warning are very important for the safe use of digital products, robots and aircraft. The existing battery status indication and warning cannot enable the operator to identify the status of the battery in a timely and accurate manner, so that the operator can make corresponding operations in time according to the status of the battery, so as to avoid damage to the battery and the equipment using the battery.

Utility model content

In view of this, the embodiment of the present utility model provides a battery state indicating device, which can clearly indicate the state of the battery, and is convenient for the operator to quickly identify the state of the battery, so as to improve the service life of the battery and ensure its safe use.

In order to solve the above technical problems, the utility model provides a battery status indicating device, comprising: a power connector connected to the power module; a battery connector connected to the battery; a sampling circuit connected between the power connector and the battery connector , for collecting the voltage and/or current of the battery through the battery connector; a status indication module, including a buzzer, a driving circuit and a light emitting module; a control unit, including a first analog-to-digital conversion terminal and a control signal generation terminal, The first analog-to-digital conversion terminal is connected to the sampling circuit, and the control signal generation terminal is connected to the status indication module; the control unit detects that the sampling circuit collects the When the battery voltage and/or current is lower than a first predetermined value, the control signal generating terminal generates a first control signal and a second control signal, so that the buzzer emits a sound in response to the first control signal, The drive circuit drives the light-emitting module to light up in response to the second control signal; the electronic switch includes a first end, a second end and a third end, the first end is connected to the battery connector, and the second end The two ends are connected to the power connector, the third end is connected to the control signal generation end, and the first control signal and/or the first control signal and/or the first control signal are received from the control signal generation end at the third end. When there is a control signal, the first terminal is connected to the second terminal, so that the power supply charges the battery through the power connector.

Wherein, when the value of the voltage and/or current is between the first predetermined value and the second predetermined value, the control unit generates the second control signal, so that the driving circuit responds to the first Two control signals drive the light emitting module to light up.

Wherein, it also includes a connector, the sampling circuit, the control unit and the electronic switch are arranged inside the battery, the status indicating module is arranged outside the battery, and is connected with the control unit through the connector unit connection.

Wherein, the battery status indicating device is arranged inside the battery.

Wherein, the control unit also includes a second analog-to-digital conversion terminal, the control unit detects the working state of the device through the second analog-to-digital conversion terminal, and according to the sampling circuit detected by the first analog-to-digital conversion terminal Collected current, judge whether the current matches the working state of the device, if not, generate the first control signal and the second control signal, so that the buzzer responds to the first control signal sound, and the drive circuit drives the light emitting module to light up in response to the second control signal.

Wherein, the sampling circuit includes a voltage sampling circuit and a current sampling circuit.

Wherein, it also includes: a temperature detection module, which is electrically connected with the control unit, and establishes a heat conduction channel with the battery through the battery connector, and the temperature of the battery detected by the control unit through the temperature detection module , when the temperature exceeds a predetermined temperature value, generating the first control signal and the second control signal at the control signal generating end, so that the buzzer emits a sound in response to the first control signal, The driving circuit drives the light emitting module to light up in response to the second control signal.

Wherein, the light emitting module is a light emitting diode or a high pressure gas discharge lamp.

Wherein, it also includes: an LCD module electrically connected with the control unit.

Based on the above technical solutions, the battery status indicator device provided by the embodiment of the utility model collects the relevant status information of the battery, the control unit detects it in time and then sends an alarm through the status indicator module, and the comprehensive sound and light prompt method can make the equipment operator clearly Observe the battery status, especially in abnormal situations, quickly identify abnormal battery status, and take countermeasures to prevent damage to equipment and batteries.

Description of drawings

FIG. 1 is a specific circuit structure diagram of a battery status indicating device according to an embodiment of the present invention.

Fig. 2 is a specific circuit structure diagram of a battery status indicating device according to another embodiment of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 first. Fig. 1 is a schematic diagram of a specific circuit structure of a battery status indicating device according to an embodiment of the present invention. As shown in Fig. 1 , the battery status indicating device 10 of the present invention includes:

The power connector 102 is connected with the power supply 20;

The battery connector 103 is connected with the battery 30;

A sampling circuit 104, connected between the power connector 102 and the battery connector 103, for collecting the voltage and/or current of the battery 30 through the battery connector 102;

The status indicating module 105 includes a buzzer 131, a driving circuit 132 and a light emitting module 133; wherein, the light emitting module is a light emitting diode or a high pressure gas discharge lamp.

The control unit 100 includes a first analog-to-digital conversion terminal 121 and a control signal generation terminal 122 , the first analog-to-digital conversion terminal 121 is connected to the sampling circuit 104 , and the control signal generation terminal 122 is connected to the status indication module 105 .

The control unit 100 detects the voltage and/or current of the battery 30 collected by the sampling circuit 104 through the first analog-to-digital conversion terminal 121, and correspondingly performs the following operations according to the voltage and/or current value:

When the voltage and/or current value is lower than the first predetermined value, a first control signal and a second control signal are generated, so that the buzzer 131 emits a sound in response to the first control signal, and the driving circuit 132 drives light in response to the second control signal The module 133 lights up, so as to realize the power alarm;

When the voltage and/or current value is between the first predetermined value and the second predetermined value, a second control signal is generated, so that the driving circuit 132 drives the light emitting module 133 to light in response to the second control signal, thereby realizing a low battery prompt ;

When the voltage and/or current value exceeds the second predetermined value, no control signal is generated, and the status indication module 105 does not work.

And please continue to refer to FIG. 1, the control unit 100 also includes:

The second analog-to-digital conversion terminal 123, the control unit 100 detects the device working circuit 50 through the second analog-to-digital conversion terminal 123 to determine the working state of the device, and according to the current collected by the sampling circuit 104 detected by the first analog-to-digital conversion terminal 121, Determine whether the current matches the working state of the device, if not, generate the first control signal and the second control signal, so that the buzzer 131 emits a sound in response to the first control signal, and the driving circuit drives the light emitting module point in response to the second control signal Bright.

Please continue to refer to FIG. 1, the control unit 100 also includes: a temperature detection module 106, which is electrically connected to the control unit 100, and establishes a heat conduction channel with the battery 30 through the battery connector 103, and the control unit 100 detects the temperature of the battery 30 through the temperature detection module 106. When the temperature exceeds the predetermined temperature value, the first control signal and the second control signal are generated at the control signal generating terminal 122, so that the buzzer 131 emits a sound in response to the first control signal, and the driving circuit 132 responds to the second control signal The light-emitting module 133 is driven to be turned on, so as to realize a battery abnormal alarm.

Specifically, the temperature detection module 106 may include a thermistor 10861 and a voltage dividing resistor 1062 connected in series, a constant voltage is applied to the thermistor 1061 and the voltage dividing resistor 1062 connected in series, and the third analog-to-digital conversion terminal 124 of the control unit 100 is connected to At the connection point between the thermistor 1061 and the voltage dividing resistor 1062, the temperature of the battery 30 can be obtained by detecting the voltage value of the connection point.

1, the sampling circuit 104 includes a voltage sampling circuit 1041 and a current sampling circuit 1042, the current sampling circuit 1042 is used to detect the discharge current of the positive electrode + of the battery 30, and when the discharge current exceeds a predetermined current value, the control unit 100 controls The signal generating terminal 122 generates a second control signal, so that the positive electrode + of the human-machine battery 30 stops discharging the discharge load 107 .

And please continue to refer to FIG. 1, the battery status indicating device 10 also includes:

The electronic switch 107 includes a first terminal 1, a second terminal 2 and a third terminal 3, the first terminal 1 is connected to the battery connector 103, the second terminal 2 is connected to the power connector 102, and the third terminal 3 is connected to the control signal generating terminal 122 connection, when the third terminal 3 receives the first control signal and/or the second control signal from the control signal generating terminal 122, the first terminal 1 is connected to the second terminal 2, so that the power supply 20 charges the battery 30 through the power connector 102 . When the third terminal 3 does not receive the first control signal and/or the second control signal from the control signal generating terminal 122 , the first terminal 1 is disconnected from the second terminal 2 , so that the power supply 20 stops charging the battery 30 .

Therefore, in the present invention, the battery state indicating device can also realize the charging function.

Similarly, the battery status indicating device can also be provided with a second current detection module for detecting the charging current of the positive electrode + of the battery 30 by the power supply 20 .

It is worth noting that in the present utility model, a fuse can also be further provided as a protection circuit to prevent the electronic components from being affected by excessive current.

Moreover, in the present invention, a step-down module is further provided between the power supply 20 or the battery 30 and the battery status indicating device, which may be a DC/DC circuit for providing the voltage provided by the power supply 20 or the battery 30 to the control unit 100 power supply terminal, so that the control unit 100 can obtain power supply.

Further, the battery status indicating device further includes an LCD module electrically connected to the control unit 100, and the LCD module can be used to display relevant data.

Further, referring to FIG. 2, the battery status indicating device also includes a connector 70, the sampling circuit 604, the control unit 600 and the electronic switch 607 are arranged inside the battery 30, and the status indicating module 605 is arranged outside the battery 30, and through the connection The controller 60 is connected to the control unit 600. For other modules, please refer to Figure 1 and related text parts.

Through the above circuit structure, the utility model can realize the following functions:

Overcurrent protection: If the discharge current is found to be too large, the control unit will cut off the electronic switch;

Sound and light alarm: When the temperature is too high or the battery power is too low during the discharge process, the control unit detects it in time and then sends an alarm through the status indication module, and the LCD module and LED module display the battery status information.

Based on the above technical solutions, the battery status indicator device provided by the embodiment of the utility model collects the relevant status information of the battery, the control unit detects it in time and then sends an alarm through the status indicator module, and the comprehensive sound and light prompt method can make the equipment operator clearly Observe the battery status, especially in abnormal situations, quickly identify abnormal battery status, and take countermeasures to prevent damage to equipment and batteries.

The above is only the embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings, or directly or indirectly used in other Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (9)

1. a kind of battery status instruction device, it is characterised in that include：

Power connection, is connected with power module；

Battery contact, is connected with battery；

Sample circuit, is connected between the power connection and the battery contact, for gathering institute by the battery contact State the voltage and/or electric current of battery；

State indicator module, including buzzer, drive circuit and light emitting module；

Control unit, produces end, the first analog digital conversion end and the sampling including the first analog digital conversion end and control signal Circuit connects, and the control signal is produced end and is connected with the state indicator module；Described control unit passes through first mould Number end of converts detect the cell voltage that the sample circuit collects and/or when electric current is less than first predetermined value, in the control Signal processed produces end and produces the first control signal and the second control signal, so that buzzer response the first control letter Sound number is sent, the drive circuit responds second control signal and drives the light emitting module to light；

Electrical switch, including first end, the second end and the 3rd end, the first end is connected with the battery contact, and described second End is connected with the power connection, and the 3rd end produces end with the control signal and is connected, at the 3rd end from the control When signal processed produces termination and receives first control signal and/or second control signal, the first end and described the Two ends connect so that the power supply is charged to the battery by the power connection.

2. battery status instruction device according to claim 1, it is characterised in that the value of the voltage and/or electric current is situated between When between the first predetermined value and second predetermined value, described control unit produces second control signal, so that institute Stating drive circuit response second control signal drives the light emitting module to light.

3. battery status instruction device according to claim 1, it is characterised in that also including adapter, the sampling electricity Road, described control unit and the electrical switch are arranged on the inside battery, and the state indicator module is arranged on described Outside batteries, and be connected with described control unit by the adapter.

4. battery status instruction device according to claim 1, it is characterised in that the battery status instruction device is arranged on The inside battery.

5. battery status instruction device according to claim 1, it is characterised in that described control unit also includes the second mould Number end of converts, described control unit by the second analog digital conversion end testing equipment working condition, and according to first mould The electric current that the sample circuit that number end of convert is detected is collected, judges whether the electric current is matched with equipment working state, If mismatching, first control signal and second control signal is generated, so that buzzer response described the One control signal sends sound, and the drive circuit responds second control signal and drives the light emitting module to light.

6. battery status instruction device according to claim 1, it is characterised in that the sample circuit includes voltage sample Circuit and current sampling circuit.

7. battery status instruction device according to claim 1, it is characterised in that also include：

Temperature detecting module, is electrically connected with described control unit, and has hot biography by the battery contact with battery foundation Pathway, the temperature of the battery that described control unit is detected by the temperature detecting module, exceeds in the temperature During predetermined temperature value, end is produced in the control signal and produce first control signal and second control signal, so that Obtain the buzzer response first control signal and send sound, the drive circuit responds second control signal and drives The light emitting module is lighted.

8. battery status instruction device according to claim 1, it is characterised in that the light emitting module is light emitting diode Or high-voltage gas discharging light.

9. battery status instruction device according to claim 1, it is characterised in that also include：LCD module, with the control Unit electrical connection processed.