CN217718834U

CN217718834U - Bed leaving alarm circuit

Info

Publication number: CN217718834U
Application number: CN202221651195.2U
Authority: CN
Inventors: 邱志杰
Original assignee: Xiamen Hedman Electronic Technology Co ltd
Current assignee: Xiamen Hedman Electronic Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-01
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to a from bed warning technical field, provide a from bed warning circuit, change 3.3VDC power module, induction element, alarm unit and LED display module including AC input 12VDC output module, 12VDC, the output of AC input 12VDC output module and the input electric connection that 3.3VDC power module was changeed to 12VDC, the output that 3.3VDC power module was changeed to 12VDC respectively with induction element and alarm unit's input electric connection, two-way electric connection between induction element and the alarm unit. Through above-mentioned technical scheme, the cutting inefficiency when having solved the cutting of optical lens among the prior art, is unfavorable for the problem of plant use.

Description

Bed leaving alarm circuit

Technical Field

The utility model relates to a from bed warning field, it is specific, relate to a from bed warning circuit.

Background

Along with the improvement of the social and economic development level, the nation pays more and more attention to the physical health condition of the aged population, most of the middle-aged and old patients in hospitals have inconvenient body due to the influence of illness conditions, and when getting up to solve the life problem, the patients are easy to fall down on the ground without the help of medical staff, and the illness conditions can be further worsened.

The Chinese patent discloses a falling-down-preventing bed-leaving alarm circuit (No. CN 211906476U), which comprises a storage battery, a first switch, an inclination angle switch, a high-tone frequency generation circuit, a low-tone frequency generation circuit and a loudspeaker, wherein the first switch is connected with the inclination angle switch, the inclination angle switch is connected with the input end of the high-tone frequency generation circuit, and the output end of the high-tone frequency generation circuit is connected with the input end of the low-tone frequency generation circuit; this patent technique has solved the old person and has got up when like the lavatory, the problem that may fall down, but the voltage of circuit is unstable, leads to the circuit to damage easily, and unable teletransmission signal, has the limitation, consequently, technical personnel in the field provide one kind from bed warning circuit to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a from bed warning circuit has solved one kind among the correlation technique and has left bed warning circuit problem.

The technical scheme of the utility model as follows: the bed leaving alarm circuit comprises an AC input 12VDC output module, a 12 VDC-to-3.3 VDC power module, a sensing unit, an alarm unit and an LED display module, wherein the output end of the AC input 12VDC output module is electrically connected with the input end of the 12 VDC-to-3.3 VDC power module, the output end of the 12 VDC-to-3.3 VDC power module is respectively electrically connected with the input ends of the sensing unit and the alarm unit, and the sensing unit and the alarm unit are electrically connected in a bidirectional mode.

In a preferred embodiment, the sensing unit is configured to wirelessly transmit the received signal in the form of radio frequency waves, and the alarm unit is configured to receive the radio frequency waves transmitted by the sensing unit and send out a sound alarm by receiving the radio frequency waves.

As a preferred embodiment, the sensing unit includes a sensing module, a receiving board MCU module and a radio frequency transmitting module;

the sensing module can be used for monitoring the state of a user on the bed and sending a signal to the receiving board MCU module after the user leaves the bed surface;

the receiving board MCU module can be used for receiving, processing and analyzing the signals sent by the induction module and sending the processed and analyzed signals to the radio frequency transmitting module;

the radio frequency transmitting module can be used for receiving the signals sent by the receiving board MCU module, processing the received signals and then transmitting the processed signals to the alarm unit in a radio frequency electric wave form.

As a preferred embodiment, the alarm unit comprises a radio frequency transmission module, a transmitting board MCU module and a buzzer module;

the radio frequency receiving module is used for receiving radio frequency electric waves sent by a radio frequency transmitting module in the induction unit and transmitting the received radio frequency electric waves to the transmitting board MCU module;

the transmitting board MCU module is used for receiving the radio frequency electric waves transmitted by the radio frequency receiving module, processing the received radio frequency electric waves and then sending the processed electric signals to the buzzer module;

the buzzer module is used for receiving the electric signals sent by the transmitting plate MCU module and sending out a sound alarm through the received electric signals.

As a preferred embodiment, the LED display module is an LED display, and the input terminal of the LED display module is electrically connected to the 12 VDC-to-3.3 VDC power module and the output terminal of the sensing unit, respectively.

As a preferred embodiment, the input end of the buzzer module is connected with a key module.

The utility model discloses a theory of operation and beneficial effect do:

in the utility model, the AC input 12VDC output module and the 12VDC to 3.3VDC power module are matched with each other for use, so that the external input power can be converted into the voltage suitable for the circuit to use, the safety of the whole circuit is improved, simultaneously can be fast accurate carry out real-time supervision to the user state on the bed through the induction element that sets up to leave the bed surface after the user and report to the police rapidly through alarm unit, remind peripheral crowd, the practicality is strong.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a system block diagram of the sensing unit of the present invention;

fig. 3 is a block diagram of the alarm unit system of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

As shown in fig. 1 to fig. 3, the present embodiment provides a bed-leaving alarm circuit, which includes an AC input 12VDC output module, a 12 VDC-to-3.3 VDC power module, a sensing unit, an alarm unit, and an LED display module, wherein an output terminal of the AC input 12VDC output module is electrically connected to an input terminal of the 12 VDC-to-3.3 VDC power module, an output terminal of the 12 VDC-to-3.3 VDC power module is electrically connected to input terminals of the sensing unit and the alarm unit, and the sensing unit and the alarm unit are electrically connected in a bidirectional manner.

In this embodiment, change 3.3VDC power module and use mutually supporting through AC input 12VDC output module and the 12VDC that sets up, can make external input power convert the voltage that is fit for the circuit to use, the holistic security of circuit has been improved, simultaneously can be fast accurate carry out real-time supervision to the user's state in bed through the induction element that sets up, and leave the bed surface at the user and later warn through alarm unit rapidly, remind peripheral crowd, the practicality is strong.

Example 2

As shown in fig. 1 to 3, based on the same concept as that of embodiment 1, the sensing unit is configured to wirelessly transmit a received signal in the form of radio frequency waves, and the alarm unit is configured to receive the radio frequency waves transmitted by the sensing unit and generate a sound alarm by receiving the radio frequency waves.

The sensing unit comprises a sensing module, a receiving board MCU module and a radio frequency transmitting module;

The alarm unit comprises a radio frequency transmitting module, a transmitting board MCU module and a buzzer module;

the transmitting board MCU module is used for receiving the radio frequency electric wave transmitted by the radio frequency receiving module, processing the received radio frequency electric wave and then transmitting the processed electric signal to the buzzer module;

the buzzer module is used for receiving the electric signals sent by the transmitting board MCU module and sending out a sound alarm through the received electric signals.

The LED display module is an LED display, and the input end of the LED display module is electrically connected with the 12 VDC-to-3.3 VDC power supply module and the output end of the induction unit respectively.

The input end of the buzzer module is connected with a key module.

In this embodiment, can be used to monitor the user state on the bed through the response module that sets up to after the user leaves the bed surface the dash receiver MCU module signals, and can be used to right through the dash receiver MCU module the signal that the response module sent carries out the receipt processing analysis, and rethread radio frequency emission module sends the radio frequency electric wave, then receives the radio frequency electric wave through radio frequency receiving module, and rethread dash receiver MCU module handles the radio frequency electric wave that receives, then sends out the police dispatch newspaper through the buzzer module is quick.

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

1. The bed leaving alarm circuit is characterized by comprising an AC input 12VDC output module, a 12 VDC-to-3.3 VDC power module, a sensing unit, an alarm unit and an LED display module, wherein the output end of the AC input 12VDC output module is electrically connected with the input end of the 12 VDC-to-3.3 VDC power module, the output end of the 12 VDC-to-3.3 VDC power module is electrically connected with the input ends of the sensing unit and the alarm unit respectively, and the sensing unit and the alarm unit are electrically connected in a bidirectional mode.

2. A bed exit warning circuit as claimed in claim 1, wherein the sensing unit is configured to wirelessly transmit the received signal in the form of radio frequency waves, and the alarm unit is configured to receive the radio frequency waves transmitted by the sensing unit and to sound an alarm by receiving the radio frequency waves.

3. The bed leaving alarm circuit of claim 2, wherein the sensing unit comprises a sensing module, a receiving board MCU module and a radio frequency receiving module;

the receiving board MCU module can be used for receiving, processing and analyzing the signals sent by the induction module and simultaneously sending the processed and analyzed signals to the radio frequency receiving module;

the radio frequency receiving module can be used for receiving the signals sent by the receiving board MCU module, processing the received signals and then transmitting the processed signals to the alarm unit in a radio frequency electric wave form.

4. A bed exit warning circuit according to claim 3, wherein the warning unit comprises a radio frequency transmission module, a transmitting board MCU module and a buzzer module;

the radio frequency receiving module is used for receiving radio frequency electric waves sent by the radio frequency transmitting module in the induction unit and transmitting the received radio frequency electric waves to the transmitting board MCU module;

5. The bed exit warning circuit of claim 1, wherein the LED display module is an LED display, and an input terminal of the LED display module is electrically connected to the 12 VDC-to-3.3 VDC power supply module and an output terminal of the sensing unit, respectively.

6. The bed exit warning circuit of claim 4, wherein the input end of the buzzer module is connected with a key module.