CN211124332U

CN211124332U - Anti-loss vibrator

Info

Publication number: CN211124332U
Application number: CN201922092381.1U
Authority: CN
Inventors: 何飞勇; 周继彦; 柳金峰; 赖钰炫; 谢育芳; 吕韬; 曾祥智
Original assignee: Guangdong Institute of Science and Technology
Current assignee: Guangdong Titan Intelligent Power Co.,Ltd.
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-28
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to a prevent losing electromagnetic shaker. This prevent losing electromagnetic shaker includes: the sub machine comprises a code output unit and a wireless transmitting unit, wherein the code output unit and the wireless transmitting unit are connected in series, and a code chip of the code output unit is PT 2262; the mother machine comprises a power supply, a receiving detection unit, a decoding unit and an alarm unit, wherein the receiving detection unit, the decoding unit and the alarm unit are connected in series, the power supply is electrically connected to the receiving detection unit and the decoding unit so as to supply power to the receiving detection unit and the decoding unit, the alarm unit comprises a multivibrator, an output circuit and a buzzer, and an encoding chip of the decoding unit is PT 2272. The utility model discloses can in time shake the warning and handle, the instantaneity is higher, adopts integrated system to make, and manufacturing cost is lower, has very strong market development potentiality.

Description

Anti-loss vibrator

Technical Field

The utility model relates to a radio technology field specifically relates to a prevent losing electromagnetic shaker.

Background

At present, most anti-lost devices in the market are mainly connected through wires, the anti-lost devices are inconvenient to use in crowded areas, and the anti-lost devices do not bring greater recognition to users in product sense and use experience, so that the practicability of most anti-lost devices in the market is reduced. Some high-end products in wireless connection use a mobile phone App to check the state of a sub machine, the biggest defect of the high-end products is that alarm information cannot be fed back in real time, the price is relatively high, and the market sale condition is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a prevent losing electromagnetic shaker is provided, can be timely shake the warning processing, the instantaneity is higher, adopts integrated system to make, and manufacturing cost is lower, has very strong market development potentiality.

Technical objects that can be achieved by the present invention are not limited to what has been particularly described above, and other technical objects that are not described herein will be more clearly understood by those skilled in the art from the following detailed description.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

according to an aspect of the disclosure, the utility model provides a prevent losing the electromagnetic shaker, a serial communication port, prevent losing the electromagnetic shaker and include:

the sub machine comprises a code output unit and a wireless transmitting unit, wherein the code output unit and the wireless transmitting unit are connected in series, and a code chip of the code output unit is PT 2262/2272;

the main machine comprises a power supply, a receiving detection unit, a decoding unit and an alarm unit, wherein the receiving detection unit, the decoding unit and the alarm unit are connected in series, the power supply is electrically connected to the receiving detection unit and the decoding unit so as to supply power to the receiving detection unit and the decoding unit, and the alarm unit comprises a multivibrator, an output circuit and a buzzer.

Optionally, in the anti-loss vibrator as described above, the handset further includes a multivibrator connected in series to the encoding output unit, the multivibrator is composed of a gate circuit, an oscillation signal output by the multivibrator is added to a power supply terminal of the encoding output unit, the encoding output unit is powered on to operate when it outputs a high level, and the encoding output unit is not operated when it outputs a low level, so that the encoding output unit and its subsequent circuits operate intermittently, thereby reducing consumption of battery power.

Optionally, in the loss-prevention vibrator as described above, the encoding output unit is manufactured by using a CMOS process, and has at most 12-bit tri-state address terminal pins, any combination of which can provide 531441 address codes, and also has at most 6-bit data terminal pins, the set address code and data code are serially output from 17 pins, the output encoding signal is a complete code word composed of the address code, data code and synchronization code, and the encoding output unit sends the serial output data signal to the data terminal of the wireless transmitting unit.

Alternatively, in the loss prevention vibrator as described above, when the data signal received by the wireless transmission unit is at a high level, the wireless transmission unit starts oscillation and transmits a high frequency signal of a constant amplitude of 315MHz, and when the data signal received by the wireless transmission unit is at a low level, the wireless transmission circuit stops oscillation, so that the output of the high frequency transmission circuit is an ASK modulated wave signal in which the output digital signal of the encoding output unit is a modulated signal.

Optionally, in the anti-loss vibrator as described above, if the distance between the handset and the base unit is within a certain distance range, the receiving and detecting unit of the base unit may receive a 315MHz high frequency signal sent by the handset, amplify the signal, output a coded signal to the decoding unit of the base unit after detection, after the decoding unit receives the coded signal, compare an address code of the coded signal with an address code of the decoding unit twice, output a high level from an output pin of the decoding unit, drive a light emitting diode (D1) to illuminate to indicate that the signal of the handset is received, and simultaneously output a data pin of the decoding unit corresponding to a data pin level of the handset, switch S2 is turned right, the base unit is in an anti-loss state, and the high level signal output from the decoding unit of the base unit drives a first diode and a second diode (V1), D3) The multivibrator is conducted, the multivibrator does not work due to short circuit, and the buzzer does not give out a sound to indicate that the submachine is in a safe state;

if the distance of parasite aircraft and mother aircraft surpasss certain distance range, the receiving detection unit of mother aircraft does not receive the signal of parasite aircraft, the random clutter of output, then the output pin output low level of decoding unit, emitting diode D1 is not bright, simultaneously decoding unit output low level, the drive first and second diode (V1, D3) intercept, multivibrator work, buzzer sends out the call, reminds the user thing to lose, switch (S2) left side is thrown, makes the mother aircraft is in the state of looking for, removes the mother aircraft, when it receives during the signal that the parasite aircraft sent, buzzer sends the call, reminds the user the parasite aircraft is just near.

The above-described embodiments are only some of the embodiments of the present invention, and those skilled in the art can derive and understand various embodiments including the technical features of the present invention from the following detailed description of the present invention.

The anti-lost device has the following advantages:

1. the vibration alarm processing can be carried out in time, and the instantaneity is high.

2. The whole set of circuit is mainly manufactured by adopting an integrated system, has lower production cost and has strong market development potential.

It will be appreciated by persons skilled in the art that the effects that can be achieved by the present invention are not limited to what has been particularly described hereinabove and other advantages of the present invention will be more clearly understood from the following detailed description.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic view of an anti-lost vibrator according to an embodiment of the present invention.

Fig. 2 is a circuit diagram of a submachine of an anti-lost vibrator according to an embodiment of the present invention.

Fig. 3 is a circuit diagram of a master of the anti-lost vibrator according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a PT2262/2272 of a chip of an anti-lost vibrator according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The detailed description, which will be given below with reference to the accompanying drawings, is intended to explain exemplary embodiments of the present invention, rather than to show the only embodiments that can be implemented according to the present invention. The following detailed description includes specific details in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details.

In some instances, well-known structures and devices are omitted or shown in block diagram form, focusing on important features of the structures and devices so as not to obscure the concepts of the present invention. The same reference numbers will be used throughout the specification to refer to the same or like parts.

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and 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 thus, should not be construed as limiting the present invention.

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 in specific cases to those skilled in the art.

Fig. 1 is a schematic view illustrating an anti-lost vibrator according to an embodiment of the present invention. As shown in fig. 1, the utility model provides a prevent losing the electromagnetic shaker, prevent losing the electromagnetic shaker and include: the sub machine comprises a code output unit and a wireless transmitting unit, wherein the code output unit and the wireless transmitting unit are connected in series, and a code chip of the code output unit is PT 2262; the mother machine comprises a power supply, a receiving detection unit, a decoding unit and an alarm unit, wherein the receiving detection unit, the decoding unit and the alarm unit are connected in series, the power supply is electrically connected to the receiving detection unit and the decoding unit so as to supply power to the receiving detection unit and the decoding unit, the alarm unit comprises a multivibrator, an output circuit and a buzzer, and an encoding chip of the decoding unit is PT 2272. According to the embodiment of the present invention, the handset further includes a multivibrator connected in series to the code output unit, the multivibrator is composed of a gate circuit, an oscillation signal output by the multivibrator is added to a power supply terminal of the code output unit, the code output unit is powered on to operate when it outputs a high level, and the code output unit does not operate when it outputs a low level, so that the code output unit and its subsequent circuits operate intermittently, thereby reducing the consumption of battery power. According to the embodiment of the invention, the coding output unit is manufactured by a CMOS process, and has 12-bit tri-state address terminal pins at most, any combination of the three-state address terminal pins can provide 531441 address codes, and also has 6-bit data terminal pins at most, the set address code and the set data code are output in series from 17 pins, the output coding signal is a complete code word formed by the address code, the data code and the synchronous code, and the coding output unit sends the serial output data signal to the data terminal of the wireless transmitting unit. According to the embodiment of the present invention, when the data signal received by the wireless transmitting unit is at a high level, the wireless transmitting unit starts oscillation and transmits a 315MHz constant amplitude high frequency signal, and when the data signal received by the wireless transmitting unit is at a low level, the wireless transmitting circuit stops oscillation, so that the output of the high frequency transmitting circuit is an ASK modulated wave signal in which the output digital signal of the encoding output unit is a modulated signal. According to the embodiment of the invention, if the distance between the submachine and the master machine is within a certain distance range, the receiving and detecting unit of the master machine can receive a 315Hz high-frequency signal sent by the submachine, amplify the signal, output a coded signal to the decoding unit of the master machine after detection, after the decoding unit receives the coded signal, compare an address code of the coded signal with an address code of the decoding unit for two times, output a high level by an output pin of the decoding unit, drive a light emitting diode (D1) to be lightened to show that the submachine is received, simultaneously output a data pin of the decoding unit and correspond to the data pin level of the submachine, a switch S2 is thrown to the right, the master machine is in a loss prevention state, and the high level signal output by the decoding unit of the master machine drives a first diode (V1), D3) The multivibrator is conducted, the multivibrator does not work due to short circuit, and the buzzer does not give out a sound to indicate that the submachine is in a safe state; if the distance of parasite aircraft and mother aircraft surpasss certain distance range, the receiving detection unit of mother aircraft does not receive the signal of parasite aircraft, the random clutter of output, then the output pin output low level of decoding unit, emitting diode D1 is not bright, simultaneously decoding unit output low level, the drive first and second diode (V1, D3) intercept, multivibrator work, buzzer sends out the call, reminds the user thing to lose, switch (S2) left side is thrown, makes the mother aircraft is in the state of looking for, removes the mother aircraft, when it receives during the signal that the parasite aircraft sent, buzzer sends the call, reminds the user the parasite aircraft is just near.

According to the embodiment, the handset circuit of the invention is shown in fig. 2, and the handset adopts a button cell battery with 3V. The circuit mainly comprises a multivibrator, an encoder, a transmitting circuit and the like.

A. The multivibrator is composed of a gate circuit, and the oscillation period T is 2. 2R2C2 is approximately equal to 1s, the output oscillation signal is added to the power supply end of the encoding chip PT2262, when the output oscillation signal outputs high level, the encoder is electrified to work, and when the output oscillation signal outputs low level, the encoder PT2262 does not work, so that the encoder and the rear-stage circuit thereof work intermittently, and the consumption of battery power is greatly reduced.

B. The encoding and decoding chip PT2262/2272 is a universal encoding and decoding chip produced by Taiwan common city company, and is manufactured by adopting a CMOS process, so that the encoding and decoding chip has the advantages of low power consumption, low price and the like, the PT2262/2272 can have 12-bit tri-state address terminal pins (suspended, connected with high level and connected with low level) at most, 531441 address codes can be provided by any combination, and the address codes of a set of product encoding and decoding chips must be consistent. PT2262 can have 6-bit data terminal pins at most, the set address code and data code are output in series from 17 pins, the output coding signal is a complete code word formed by the address code, the data code and the synchronous code, the serial output data signal is sent to the data terminal of a 315MHz high-frequency emission unit,

C. when the data signal received by the high-frequency transmitting unit circuit is at high level, the transmitting circuit starts oscillation and transmits 315MHz constant-amplitude high-frequency signal, and when the received data signal is at low level, the transmitting circuit stops oscillation, so that the output of the high-frequency transmitting circuit is ASK modulated wave signal which takes the digital signal output by pin 17 of PT2262 as modulation signal. V is an indicator light, and the transmitting circuit can be lightened when in work.

According to the embodiment, the master circuit of the invention is shown in fig. 3 and comprises a receiving detection unit, a decoding circuit and an alarm circuit. The operation condition of the master machine is analyzed according to whether the distance between the slave machine and the master machine exceeds a certain distance range. If the submachine is within a certain distance range from the master machine, the super-regenerative receiving unit circuit can receive 315MHz high-frequency signals sent by the submachine, amplify and detect the signals, and output coded signals to the decoder. After the decoding chip PT2272 receives the coded signal of the submachine, the address code of the signal is compared with the address code of the submachine for twice, and then the output pin (OUT end) outputs high level to drive the light-emitting diode D1 to be bright to show that the signal of the submachine is received, and meanwhile, the output of the data pin corresponds to the level of the data pin of the submachine. The alarm circuit is composed of a rear-stage multivibrator and an output circuit, the switch S2 is thrown to the right, the master machine is in an anti-lost state, the circuit can see that a high-level signal output by the decoder drives the V1 and the D3 tubes to be conducted, and the multivibrator does not work due to short circuit. The buzzer does not sound. Indicating that the slave unit is in a safe state.

If the distance between the submachine and the master machine exceeds a certain range, the receiving circuit can not receive signals of the submachine and output irregular clutter. Then the output pin (OUT end) of the decoding chip PT2272 outputs low level, the light emitting diode D1 is not bright, and simultaneously the decoder outputs low level to cut off the V1 and D3 tubes, the multivibrator works, and the buzzer sounds to remind the owner of losing things. At this time, the switch S2 can be left thrown to make it in searching state, the master machine is moved, when it receives the signal from the slave machine, the buzzer sounds to remind the master that the slave machine is in front. It can be seen that the operation of the alarm circuit is exactly opposite to the anti-lost state in the seeking state. When the switch is thrown, the alarm circuit does not work.

Introduction to core chip

PT2262/2272 is a pair of infrared remote control transmitting/receiving chips with address and data coding functions. As shown in fig. 4. The transmitting chip PT2262-IR integrates a carrier wave oscillator, an encoder and a transmitting unit, so that a transmitting circuit becomes very simple.

The data output of the receiving chip PT2272 is different according to different suffixes, the data output has two modes of temporary storage and latching, and is convenient for users to use, the suffix 'M' is a temporary storage type, the suffix 'L' is a latching type, and the data output is divided into outputs with different 0, 2, 4 and 6, for example, the data output is a temporary storage type infrared remote control receiving chip with 4 bits according to PT 2272-M4.

Has the advantages that:

the infrared remote sensing transmission or reception of the PT2262/PT2272 chip data coding function is utilized to realize the generation and the reception of signals. The low power consumption scheme adopts the low power consumption design of the Cache. The key of the Cache low-power design is to reduce failure rate and reduce unnecessary operations. The following two methods are commonly used to reduce the power consumption of the Cache: one is to design a memory with low power consumption from the structure of the memory; the other is to reduce power consumption by reducing the number of accesses to the Cache.

The whole set of circuit is mainly manufactured by adopting an integrated chip circuit, the performance is stable, and the cost of the circuit is lower. The sub-machine can be easily made into a small and exquisite ornament hung on the anti-lost article, and the main machine is carried by the master. If the product is made into a product, the product can be accepted and loved by general consumers.

The anti-lost device can also be used as a general wireless alarm system. As long as the signal collected by the sensor controls the gating end of the coding chip PT2262 of the submachine circuit, the master computer is in a searching state, and thus the anti-lost device becomes a corresponding alarm system.

The anti-lost device has the following advantages:

As described above, a detailed description of preferred embodiments of the present invention has been given to enable those skilled in the art to make and practice the present invention. Although the present invention has been described with reference to exemplary embodiments, those skilled in the art will appreciate that various modifications and changes can be made in the present invention without departing from the spirit or scope of the invention described in the appended claims. Thus, the present invention is not intended to be limited to the particular embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A loss prevention vibrator, comprising:

the sub machine comprises a code output unit and a wireless transmitting unit, wherein the code output unit and the wireless transmitting unit are connected in series;

a master machine including a power supply, a receiving and detecting unit, a decoding unit, and an alarm unit, the receiving and detecting unit, the decoding unit, and the alarm unit being connected in series, the power supply being electrically connected to the receiving and detecting unit and the decoding unit so as to supply power thereto, the alarm unit including a multivibrator, an output circuit, and a buzzer,

when the data signal received by the wireless transmitting unit is at a high level, the wireless transmitting unit starts to vibrate and transmits 315MHz constant-amplitude high-frequency signals; when the data signal received by the wireless transmitting unit is low level, the wireless transmitting circuit stops oscillation, so the output of the high-frequency transmitting circuit is an ASK modulated wave signal which takes the output digital signal of the coding output unit as a modulation signal;

if the distance between the submachine and the master machine is within a certain distance range, the receiving and detecting unit of the master machine can receive a 315MHz high-frequency signal sent by the submachine, amplify the signal, output a coded signal to the decoding unit of the master machine after detection, after the decoding unit receives the coded signal, compare an address code of the coded signal with an address code of the decoding unit for two times, output a high level by an output pin of the decoding unit, drive a light emitting diode (D1) to emit light to indicate that the submachine is received, simultaneously output a data pin of the decoding unit corresponding to the data pin level of the submachine, a switch (S2) is thrown to the right, the master machine is in a loss prevention state, the high level signal output by the decoding unit of the master machine drives a first diode (V1) and a second diode (D3) to be conducted, and the multivibrator oscillator is short-circuited and does not work, the buzzer does not send out a call, and the submachine is in a safe state;

if the distance between the submachine and the master machine exceeds a certain distance range, the receiving and detecting unit of the master machine cannot receive signals of the submachine and outputs irregular clutter, the output pin of the decoding unit outputs low level, the light emitting diode (D1) is not bright, meanwhile, the decoding unit outputs low level to drive the first diode (V1) and the second diode (D3) to cut off, the multivibrator works, the buzzer sends out a calling sound to remind a user that things are lost, the switch (S2) is left-thrown to enable the master machine to be in a searching state, the master machine is moved, and when the buzzer sends out a calling sound to remind the user that the submachine is nearby when the buzzer receives the signals sent by the submachine; the submachine also comprises a multivibrator which is connected in series to the coding output unit, the multivibrator consists of a gate circuit, an oscillation signal output by the multivibrator is added to a power supply end of the coding output unit, the coding output unit is powered on to work when the multivibrator outputs a high level, and the coding output unit does not work when the multivibrator outputs a low level, so that the coding output unit and a subsequent circuit thereof work intermittently; the encoding output unit is manufactured by adopting a CMOS process, and is provided with at most 12-bit tri-state address terminal pins, 531441 address codes can be provided by any combination of the pins, and is also provided with at most 6-bit data terminal pins, the set address codes and the set data codes are output in series from 17 pins, an output encoding signal is formed into a complete code word by the address codes, the data codes and the synchronous codes, and the encoding output unit sends a serial output data signal to the data terminal of the wireless transmitting unit.

2. The loss prevention vibrator of claim 1,

the encoding output unit is characterized in that an encoding chip of the encoding output unit is PT 2262.

3. The loss prevention vibrator of claim 1,

the decoding unit is characterized in that the coding chip of the decoding unit is PT 2272.