CN215005906U - Multi-parameter health detector capable of being automatically turned on and turned off - Google Patents
Multi-parameter health detector capable of being automatically turned on and turned off Download PDFInfo
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- CN215005906U CN215005906U CN202120593143.3U CN202120593143U CN215005906U CN 215005906 U CN215005906 U CN 215005906U CN 202120593143 U CN202120593143 U CN 202120593143U CN 215005906 U CN215005906 U CN 215005906U
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Abstract
The utility model provides an automatic multi-parameter health detector of switching on and shutting down, include: a multi-parameter health monitor body; the probe of the infrared sensor is arranged on the front side of the multi-parameter health detector body; the main control board is arranged in the multi-parameter health detector body; the main control board is connected with the infrared sensor; the relay is arranged in the multi-parameter health detector body; the relay is respectively connected with the main control board and the switch of the multi-parameter health detector body; through the utility model discloses, when the user was close to "multi-parameter health detector", human infrared sensor sensed the human body, to singlechip send signal, control relay opened and shut, has simulated a start action to realize automatic start, make equipment intelligent, automatic more.
Description
Technical Field
The utility model belongs to the technical field of detecting instrument, concretely relates to automatic multi-parameter health detector of switching on and shutting down.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, most of the starting modes of a computer system are starting key control, and a few of the starting modes are controlled by infrared remote controllers.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, provided an automatic multi-parameter health detector of switching on and shutting down, the utility model discloses can realize closely when being close "multi-parameter health detector" when the people, can start automatically, do not need the manual operation, make the start more automatic, intelligent.
According to some embodiments, the utility model discloses a scheme provides the multi-parameter health detector of automatic start-up and shut-down, adopts following technical scheme:
a multi-parameter health monitor capable of being automatically turned on and off comprises:
a multi-parameter health monitor body;
the probe of the infrared sensor is arranged on the front side of the multi-parameter health detector body;
the main control board is arranged in the multi-parameter health detector body; the main control board is connected with the infrared sensor;
the relay is arranged in the multi-parameter health detector body; the relay is respectively connected with the main control board and the switch of the multi-parameter health detector body.
Further, the infrared sensor adopts a human body infrared sensor HC-SR 501.
Further, the probe adopts an LHI788 probe.
Further, the human body infrared sensor is set to be in a non-repeatable triggering mode.
Further, the main control board adopts an STC89C52RC singlechip.
Further, STC89C52 employs an MCS-51 core.
Furthermore, a VCC pin of the infrared sensor is connected with a positive electrode of the power supply, and a GND pin of the infrared sensor is grounded.
Furthermore, a DC + pin of the relay is connected with the positive electrode of the power supply, and a DC-pin of the relay is connected with the negative electrode of the power supply.
Furthermore, a plurality of fixing bolt holes are formed in the relay.
Further, the sensing distance of the infrared sensor is 0.5 m.
Compared with the prior art, the beneficial effects of the utility model are that:
through the utility model discloses, when the user was close to "multi-parameter health detector", human infrared sensor sensed the human body, to singlechip send signal, control relay opened and shut, has simulated a start action to realize automatic start, make equipment intelligent, automatic more.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic diagram (block external schematic diagram) of HC-SR501 according to embodiment 1 of the present invention;
FIG. 3 shows the sensing range of HC-SR501 in example 1 of the present invention;
fig. 4 is a STC89C52RC pin diagram of embodiment 1 of the present invention;
fig. 5 is a startup circuit according to embodiment 1 of the present invention.
In the figure: 1. a multi-parameter health monitor body; 2. an infrared sensor; H. a repeatable trigger port; l, a non-repeatable trigger port; CDS, photo-resistor; RT, temperature compensation resistance.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
Example 1:
the utility model provides an automatic multi-parameter health detector of switching on and shutting down, including multi-parameter health detector body, human infrared sensor, main control board and relay.
In this embodiment, the human body infrared sensor is HC-SR501, the human body infrared sensor is an automatic control module based on an infrared technology, and an LHI788 probe design is adopted, so that the human body infrared sensor has the advantages of high sensitivity, strong reliability, low-voltage operation and the like. When a person enters the sensing range of the human body infrared sensor, a high level is output, and when the person leaves the sensing range, the high level is automatically turned off in a delayed mode, and a low level is output.
The two triggering modes (jumper selection) are a non-repeatable triggering mode and a repeatable triggering mode; after the non-repeatable triggering mode is that high level is output in a sensing mode, the output is automatically changed from high level to low level after the time delay period is over; the repeatable triggering mode is in a time delay period after the high level is output by induction; if a human body moves in the sensing range, the output of the human body keeps high level all the time, and the high level is changed into low level in a delayed manner until the human body leaves (the sensing module detects that each time of the human body moves, the human body automatically delays for a delay time period, and the time of the last movement is taken as the starting point of the delay time); in this embodiment, a non-repeatable triggering mode is selected.
The distance potentiometer is adjusted to rotate clockwise, the sensing distance is increased (about 7 meters), and conversely, the sensing distance is decreased (about 0.5 meter); the adjustment delay potentiometer rotates clockwise, the induction delay is lengthened (about 300S), and conversely, the induction delay is shortened (about 0.5S).
The electrical parameters of HC-SR501 are: the working voltage range is 4.5-20V of direct current voltage, the quiescent current is <50uA, the level output is 3.3V/0V high, the triggering mode is L non-repeatable triggering/H repeatable triggering, the delay time is 0.5-200S (adjustable), the range of manufacture can be from a few tenths of seconds to tens of minutes, the blocking time is 2.5S (default), the range of manufacture can be from a few tenths of seconds to tens of seconds, the external dimension of the circuit board is 32mm x 24mm, the induction angle is <100 degrees of cone angle, and the working temperature is-15 to +70 degrees.
The Relay (Relay), also called Relay, is an electronic control device, the Relay has a control system (also called input loop) and a controlled system (also called output loop), and is usually applied in an automatic control circuit, the Relay is actually an automatic switch which uses a smaller current to control a larger current; therefore, the circuit has the functions of automatic adjustment, safety protection, circuit conversion and the like; the relay coil is represented by a long square frame symbol in a circuit, and if the relay has two coils, two parallel rectangular frames are drawn; meanwhile, a character symbol J of the relay is marked in the long square frame or beside the long square frame; the contact of the relay has two representation methods: one is to draw them directly on one side of the rectangular frame, which is more intuitive.
In the relay, the normally open connection limit large load is alternating current 250V/10A; direct current is 30V/10A, and patch optical coupling isolation is adopted, so that the driving capability is strong and the performance is stable; trigger current 5 mA; the working voltages of the modules can be selected from 5v, 12v and 24v (please note whether the connection is the required voltage, the modules can be triggered by setting high level or low level through jumper wires, a power supply indicator lamp (green) and a relay state indicator lamp (red), the connection design is humanized, the connection can be directly led out through connecting wires of wiring terminals, the convenience is realized, and 4 fixing bolt holes are arranged, the holes are 3.1mm, and the distance is 44.5mm and 20.5 mm.
An input section:
connecting the positive electrode of a power supply (voltage is selected according to the requirement of a relay and is 5V, 9V, 12V and 24V);
DC-connecting to the negative pole of the power supply;
and IN, controlling the relay to be closed at a high or low level.
The output end of the relay:
1, normally opening the relay, suspending the relay before actuation, and short-circuiting the relay with COM after actuation;
COM is a common relay;
and 3, NC, a normally closed interface of the relay, wherein the relay is in short circuit with COM before being attracted and is suspended after being attracted.
The high and low levels trigger the selection end:
1. when the jumper is short-circuited with low, low level triggering is carried out;
2. and when the jumper is short-circuited with high, the high-level trigger is carried out.
In this embodiment, the main control board adopts an STC89C52RC single chip microcomputer, and the STC89C52RC single chip microcomputer is a low-power-consumption and high-performance CMOS 8-bit microcontroller produced by STC company and has an 8 kbyte system programmable Flash memory; the STC89C52RC single chip microcomputer uses a classical MCS-51 inner core, but a lot of improvements are made to enable the chip to have functions which are not possessed by a traditional 51 single chip microcomputer; on a single chip, a smart 8-bit CPU and a system programmable Flash are provided; the following standard functions were provided: 8 kbyte Flash, 512 bytes RAM, 32 bit I/O port line, watchdog timer, built-in 4KB EEPROM, MAX810 reset circuit, 3 16 bit timers/counters, 4 external interrupts, a 7 vector 4-level interrupt structure (compatible with the traditional 51 5 vector 2-level interrupt structure), and full-duplex serial port. In addition, the STC89C52RC single chip microcomputer can be reduced to 0Hz static logic operation, and 2 software selectable power-saving modes are supported; in the idle mode, the CPU stops working, and the RAM, the timer/counter, the serial port and the interrupt are allowed to continue working. Under the power-down protection mode, the RAM content is stored, the oscillator is frozen, and all work of the single chip microcomputer is stopped until the next interruption or hardware reset. The maximum operation frequency is 35MHz, and 6T/12T is optional.
The principle of the utility model is that:
the human body infrared sensor probe is arranged on the front surface of the multi-parameter health detector body, the human body infrared sensor is set to be in a non-repeatable triggering mode through a jumper, the human body infrared sensor is adjusted to be delayed for 3 seconds, the sensing distance of the human body infrared sensor is 0.5 meter, a VCC (voltage converter) pin of the human body infrared sensor is connected with the positive electrode of a power supply, a GND (ground) pin of the human body infrared sensor is grounded, and the human body infrared sensor is also connected with a P2.0 pin of the single chip microcomputer; after a human body is sensed, the OUT pin of the human body infrared sensor sends an electric signal to the single chip microcomputer.
The mainboard starting circuit of the multi-parameter health detector body is different due to different designs of mainboard manufacturers, but the basic circuit principle is the same, namely the mainboard starting circuit is triggered to work through a mainboard starting key, the starting circuit processes a trigger signal and finally sends a low level signal to the 14 th pin of the power supply, the high level of the 14 th pin of the power supply is pulled down, the power supply is triggered to work, and each pin of the power supply outputs corresponding voltage to supply power to each device.
The working conditions of the mainboard starting circuit are that power supply, a clock signal and a reset signal are provided for the starting circuit, and the starting circuit starts to work under the three conditions. The power supply is provided by the 9 th pin of the ATX power supply, the clock signal is provided by a real-time clock circuit of the south bridge, and the reset signal is provided by a power switch and a trigger circuit in the south bridge.
The relay is set to be triggered by a high level through a jumper, a DC + pin of the relay is connected with the anode of a power supply, a DC-pin of the relay is connected with the cathode of the power supply, the relay is also connected with the singlechip, a COM end of the relay is grounded, and an NO end of the relay is connected with the 9 th pin of a main board power supply; after the single chip microcomputer receives the signal of the human body infrared sensor, a high level with the duration of 0.1 second is sent to the relay through a P2.1 pin, the relay is closed, the NO end and the COM end are in short circuit, the NO end and the COM end of the electric appliance are disconnected after 0.1 second, the process of one-time pressing and loosening of a power-on key is completed in a simulated mode, and the power-on is achieved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. A multi-parameter health detector capable of being automatically turned on and turned off is characterized by comprising:
a multi-parameter health monitor body;
the probe of the infrared sensor is arranged on the front side of the multi-parameter health detector body;
the main control board is arranged in the multi-parameter health detector body; the main control board is connected with the infrared sensor;
the relay is arranged in the multi-parameter health detector body; the relay is respectively connected with the main control board and the switch of the multi-parameter health detector body.
2. The multi-parameter health monitor with automatic on/off function as claimed in claim 1, wherein the infrared sensor is human body infrared sensor HC-SR 501.
3. The multi-parameter health monitor with automatic on-off function as claimed in claim 2, wherein the probe is LHI788 probe.
4. The multi-parameter health monitor with automatic on/off function as claimed in claim 2, wherein the human infrared sensor is configured in a non-repeatable triggering manner.
5. The multi-parameter health monitor with automatic on/off function as claimed in claim 1, wherein the main control board is a STC89C52RC single chip microcomputer.
6. The multi-parameter health monitor with automatic on/off function as claimed in claim 5, wherein the STC89C52 adopts MCS-51 core.
7. The multi-parameter health monitor with automatic on/off function as claimed in claim 5, wherein the VCC pin of said infrared sensor is connected to the positive electrode of the power supply, and the GND pin of said infrared sensor is grounded.
8. The multi-parameter health monitor with automatic on/off function as claimed in claim 5, wherein the DC + pin of the relay is connected to the positive pole of the power supply, and the DC-pin of the relay is connected to the negative pole of the power supply.
9. The multi-parameter health monitor with automatic on/off function as claimed in claim 1, wherein the relay is provided with a plurality of fixing bolt holes.
10. The multi-parameter health monitor with automatic on/off function as claimed in claim 1, wherein the sensing distance of the infrared sensor is 0.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120593143.3U CN215005906U (en) | 2021-03-23 | 2021-03-23 | Multi-parameter health detector capable of being automatically turned on and turned off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120593143.3U CN215005906U (en) | 2021-03-23 | 2021-03-23 | Multi-parameter health detector capable of being automatically turned on and turned off |
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| Publication Number | Publication Date |
|---|---|
| CN215005906U true CN215005906U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120593143.3U Active CN215005906U (en) | 2021-03-23 | 2021-03-23 | Multi-parameter health detector capable of being automatically turned on and turned off |
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| Country | Link |
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| CN (1) | CN215005906U (en) |
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2021
- 2021-03-23 CN CN202120593143.3U patent/CN215005906U/en active Active
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