CN219477964U

CN219477964U - Interphone data acquisition circuit

Info

Publication number: CN219477964U
Application number: CN202320197489.0U
Authority: CN
Inventors: 王译增
Original assignee: Shenzhen Yuanmai Technology Co ltd
Current assignee: Shenzhen Yuanmai Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-08-04
Anticipated expiration: 2033-02-13

Abstract

The utility model provides an interphone data acquisition circuit which comprises a control unit, a temperature detection unit and a self-checking unit, wherein the temperature detection unit and the self-checking unit are respectively connected to the control unit; the temperature detection unit is configured to detect a temperature; the self-checking unit is configured to detect acceleration and vibration signals of the interphone; the control unit is configured to determine an ambient temperature according to the temperature, and determine whether the intercom drops according to the acceleration and the vibration signal. The interphone data acquisition circuit has the advantages that the self-checking function and the environment detection function are added, and the use convenience of users is improved.

Description

Interphone data acquisition circuit

Technical Field

The utility model relates to the technical field of interphones, in particular to an interphone data acquisition circuit.

Background

The interphone is a terminal device for trunking communication, and can be used as not only the terminal device for trunking communication, but also a professional wireless communication tool in mobile communication. The interphone is not limited by the network, and the interphone can enable users to communicate easily in places where the network is not covered. The interphone provides a one-to-one and one-to-many communication mode, is simple to operate and enables communication to be more free.

In order to meet the demands of more users, various electronic devices propose new functions at present, and the convenience of use of users is improved. In the same way, the functional requirements of the user on the interphone are not only in the aspect of communication, but also the interphone is required to have a self-checking function or an environment detection function. However, the interphone cannot meet the requirements of users at present.

Disclosure of Invention

Therefore, the utility model aims to provide the interphone data acquisition circuit which has the functions of self-checking and environment detection and improves the convenience of use of users.

The interphone data acquisition circuit comprises a control unit, a temperature detection unit and a self-checking unit, wherein the temperature detection unit and the self-checking unit are respectively connected to the control unit;

the temperature detection unit is configured to detect a temperature;

the self-checking unit is configured to detect acceleration and vibration signals of the interphone;

the control unit is configured to determine an ambient temperature according to the temperature, and determine whether the intercom drops according to the acceleration and the vibration signal.

Further, the temperature detection unit includes a temperature sensor;

the data end of the temperature sensor is connected to the control unit, and the data end of the temperature sensor is connected to the first power supply through a pull-up resistor; the power end of the temperature sensor is connected to the first power supply, and the power end of the temperature sensor is grounded through the first capacitor.

Further, the temperature sensor is of the type ic_ak09918.

Further, the self-checking unit comprises an acceleration sensor;

the data input end of the acceleration sensor is connected to the control unit, and the power end of the acceleration sensor is connected to the first power supply and grounded through the second capacitor; the data output end of the acceleration sensor is connected to a first power supply through a first resistor and grounded through a second resistor.

Further, the model of the acceleration sensor is ICM-20600.

Further, the vibration unit is connected with the control unit; the vibration unit comprises a motor;

the first end and the second end of the motor are grounded through a transient diode respectively, the second end of the motor is connected with the first end of the motor in a positive connection mode, the first end of the motor is connected with a second power supply, the second end of the motor is connected with the first end of a first triode, the second end of the first triode is connected with the control unit, and the third end of the first triode is grounded.

Further, the vibration unit further comprises an operational amplifier;

the enabling ends of the operational amplifier are respectively connected with the control unit and grounded through a third resistor; the input end of the operational amplifier is connected with a third power supply and grounded through a third capacitor; the output end of the operational amplifier outputs a second power supply and is grounded through a fourth capacitor.

Further, the model number of the operational amplifier is SGM2031-3.3.

Further, the LED module is connected with the control unit; the LED unit comprises a plurality of LED lamps;

each LED lamp is connected with the first end of the second triode, the second end of the second triode is connected to the control unit, and the third end of the second triode is grounded.

The interphone data acquisition circuit provided by the utility model has the advantages that the self-checking function and the environment detection function are added, and the convenience of use of users is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a block diagram of an intercom data acquisition circuit.

Fig. 2 is a circuit diagram of the temperature detection unit.

Fig. 3 is a circuit diagram of the self-test unit.

Fig. 4 is a circuit diagram of a motor in the vibration unit.

Fig. 5 is a circuit diagram of an operational amplifier in the shock unit.

Fig. 6 is a circuit diagram of an LED unit.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Examples:

an interphone data acquisition circuit, see fig. 1, comprises a control unit 1, a temperature detection unit 2 and a self-checking unit 3, wherein the temperature detection unit 2 and the self-checking unit 3 are respectively connected to the control unit 1;

the temperature detection unit 2 is configured to detect a temperature;

the self-checking unit 3 is configured to detect acceleration and vibration signals of the interphone;

the control unit 1 is configured to determine the ambient temperature from the temperature, and determine whether the intercom has fallen from the acceleration and vibration signals.

In an embodiment, the interphone data acquisition circuit is further added with temperature detection and self-checking functions. Because the user sometimes needs to detect ambient temperature when using the intercom, this intercom's data acquisition circuit has integrated temperature detection function. The temperature detection unit is used for detecting the ambient temperature, so that a user can directly inquire the ambient temperature when using the temperature detection unit.

In this embodiment, further, since the interphone may fall during use, for example, drop on the ground or the like. Damage occurs when the number of drops of the interphone is excessive, so the self-checking unit 3 can detect whether the drop of the interphone occurs.

The interphone data acquisition circuit has the advantages that the self-checking function and the environment detection function are added, and the use convenience of users is improved.

Further, in some embodiments, the temperature detection unit 2 comprises a temperature sensor;

the data end of the temperature sensor is connected to the control unit 1, and the data end of the temperature sensor is connected to the first power supply through a pull-up resistor; the power end of the temperature sensor is connected to the first power supply, and the power end of the temperature sensor is grounded through the first capacitor.

In this embodiment, referring to fig. 2, U403 is a temperature sensor, pull-up resistors are R405 and R409, a data terminal of the temperature sensor is a B2 terminal and an A2 terminal, a power terminal of the temperature sensor is a B1 terminal, and an A1 terminal of the temperature sensor is grounded. The temperature detection unit 2 detects the ambient temperature by a temperature sensor. The power supply end of the temperature sensor is also grounded through a connecting capacitor 412 and a capacitor 413. The temperature sensor is of the type ic_ak09918.

Further, in some embodiments, the self-test unit 3 comprises an acceleration sensor;

the data input end of the acceleration sensor is connected to the control unit 1, and the power end of the acceleration sensor is connected to the first power supply and grounded through the second capacitor; the data output end of the acceleration sensor is connected to a first power supply through a first resistor and grounded through a second resistor.

In the present embodiment, referring to fig. 3, the acceleration sensor is U401. The data input end of the acceleration sensor is 13 terminals and 14 terminals, the power end of the acceleration sensor is 5 terminals, the data output end of the acceleration sensor is 1 terminal, the second capacitor comprises C401, the first resistor comprises R420, and the second resistor comprises R421. The self-checking unit 3 judges whether the interphone falls or not by detecting the acceleration of the interphone, and judges that the interphone is in a falling state when the acceleration of the interphone exceeds a certain threshold value. The model of the acceleration sensor is ICM-20600.

Further, in some embodiments, a vibration unit 4 connected to the control unit 1 is also included; the vibration unit 4 includes a motor;

the first end and the second end of the motor are grounded through a transient diode respectively, the second end of the motor is connected with the first end of the diode, the first end of the motor is connected with a second power supply, the second end of the motor is connected with the first end of a first triode, the second end of the first triode is connected with the control unit 1, and the third end of the first triode is grounded.

In this embodiment, referring to fig. 4, the motor is J401, the first end of the motor is 1 terminal, the second end of the motor is 2 terminal, the first end of the motor is grounded through a transient diode VD401, and the second end of the motor is grounded through a transient diode VD 402. Transient diode VD401 may also be connected in parallel with capacitor C406, and transient diode VD402 may also be connected in parallel with capacitor C405. The second end of the motor is forward connected to diode D401 to its first end. The first end of motor is connected to the second power VDD_3V3, and first triode is T404, and the first end of first triode is 3 terminals, and the second end of first triode is 1 terminal, and the third end of first triode is 2 terminals. The interphone also has a vibration function, for example, when a new message exists, the user can be reminded in a vibration mode.

Further, in some embodiments, the shock unit 4 further comprises an operational amplifier;

the enabling ends of the operational amplifier are respectively connected with the control unit 1 and grounded through a third resistor; the input end of the operational amplifier is connected with a third power supply and grounded through a third capacitor; the output end of the operational amplifier outputs a second power supply and is grounded through a fourth capacitor.

In this embodiment, referring to fig. 5, the operational amplifier is U402. The enabling end of the operational amplifier is 3 terminals, the input end of the operational amplifier is 4 terminals, the output end of the operational amplifier is 1 terminal, and the 2 terminal of the operational amplifier is grounded. The enable end of the operational amplifier is connected to the control unit 1 and grounded through a third resistor R404. The input of the operational amplifier is connected to a third power supply vph_pwr, and the third capacitor includes C410 and C411. The output of the operational amplifier is grounded through a fourth capacitor, which includes C408 and C409, in addition to the second power supply. The vibration unit 4 outputs a stable signal through an operational amplifier to supply a stable power to the motor. The model of the operational amplifier is SGM2031-3.3.

Further, in some embodiments, the LED unit 5 is further comprised in connection with the control unit 1; the LED unit 5 includes a plurality of LED lamps;

each LED lamp is connected with the first end of a second triode, the second end of the second triode is connected to the control unit 1, and the third end of the second triode is grounded.

In this embodiment, referring to fig. 6, the LED lamps may employ integrated LED chips LED401, each of which is connected to the control unit 1 sequentially through a resistor and a transistor. For example, the transistor T401 has a first terminal 3, a second terminal 1, and a third terminal 2. The interphone can be further provided with a plurality of LED lamps for marking various states of the interphone after being lightened.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. The interphone data acquisition circuit is characterized by comprising a control unit, a temperature detection unit and a self-checking unit, wherein the temperature detection unit and the self-checking unit are respectively connected to the control unit;

the temperature detection unit is configured to detect a temperature;

the control unit is configured to determine an ambient temperature according to the temperature, and determine whether the interphone drops according to the acceleration and the vibration signal.

2. The interphone data acquisition circuit according to claim 1, wherein the temperature detecting unit comprises a temperature sensor;

the data end of the temperature sensor is connected to the control unit, and the data end of the temperature sensor is connected to a first power supply through a pull-up resistor; the power end of the temperature sensor is connected to the first power supply, and the power end of the temperature sensor is grounded through a first capacitor.

3. The interphone data acquisition circuit as claimed in claim 2, wherein,

the model of the temperature sensor is IC_AK09918.

4. The interphone data acquisition circuit of claim 1, wherein the self-checking unit comprises an acceleration sensor;

the data input end of the acceleration sensor is connected to the control unit, and the power end of the acceleration sensor is connected to a first power supply and grounded through a second capacitor; the data output end of the acceleration sensor is connected to the first power supply through a first resistor and grounded through a second resistor.

5. The interphone data acquisition circuit as recited in claim 4, wherein,

the model of the acceleration sensor is ICM-20600.

6. The interphone data acquisition circuit of claim 1, further comprising a vibration unit connected to the control unit; the vibration unit includes a motor;

the first end and the second end of the motor are grounded through an instantaneous diode respectively, the second end of the motor is connected to the first end of the motor in a positive connection mode, the first end of the motor is connected to a second power supply, the second end of the motor is connected to the first end of a first triode, the second end of the first triode is connected to the control unit, and the third end of the first triode is grounded.

7. The interphone data acquisition circuit of claim 6, wherein the vibration unit further comprises an operational amplifier;

the enabling ends of the operational amplifier are respectively connected with the control unit and grounded through a third resistor; the input end of the operational amplifier is connected with a third power supply and grounded through a third capacitor; the output end of the operational amplifier outputs the second power supply and is grounded through a fourth capacitor.

8. The interphone data acquisition circuit as recited in claim 7, wherein,

the model of the operational amplifier is SGM2031-3.3.

9. The interphone data acquisition circuit of claim 4, further comprising an LED unit connected to the control unit; the LED unit comprises a plurality of LED lamps;