CN208653632U - A kind of novel intelligent automatically powers off electronic scale - Google Patents
A kind of novel intelligent automatically powers off electronic scale Download PDFInfo
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- CN208653632U CN208653632U CN201821527237.5U CN201821527237U CN208653632U CN 208653632 U CN208653632 U CN 208653632U CN 201821527237 U CN201821527237 U CN 201821527237U CN 208653632 U CN208653632 U CN 208653632U
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Abstract
The utility model discloses a kind of novel intelligents to automatically power off electronic scale, including shell, battery, charging circuit, weighing sensor, processor, warning circuit, pyroelectric sensor and timer are equipped in shell, housing upper surface is equipped with pressure sensor, buzzer and humidity sensor are additionally provided on shell, the pressure sensor, battery, weighing sensor, humidity sensor, warning circuit, pyroelectric sensor and timer are connect with processor, the charging circuit is connect with battery, and buzzer connects warning circuit.The utility model is automatically powered off when not in use by heat-sensitive sensor and timer, saves a large amount of electric power resource.Humidity sensor is set, and when electronic scale meets water, processor makes buzzer warning by warning circuit, reminds user.
Description
Technical field
The utility model relates to electronic scale technologies more particularly to a kind of novel intelligent to automatically power off electronic scale.
Background technique
Electronic scale is one kind of weighing apparatus, using recklessly can law or power lever balance theory measurement mass of object tool.
Electronic scale is mainly made of weighing system, power transmission patent system and indicating value system three parts.Existing electronic scale tends not to reality
Existing automatic circuit break function.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of novel intelligents to automatically power off electricity
Sub- scale can solve the problem of electronic scale cannot automatically power off in the prior art.
The purpose of this utility model is implemented with the following technical solutions:
A kind of novel intelligent automatically powers off electronic scale, including shell, battery is equipped in shell, charging circuit, weighing pass
Sensor, processor, warning circuit, pyroelectric sensor and timer, housing upper surface are equipped with pressure sensor, also set on shell
There are buzzer and humidity sensor, the pressure sensor, battery, weighing sensor, humidity sensor, warning circuit, heat
It releases electric transducer and timer is connect with processor, the charging circuit is connect with battery, and buzzer connects warning circuit.
Preferably, the model PT124G-111 of pressure sensor.
Preferably, the model HIH-3602 of the humidity sensor.
Preferably, the model PM8916 of the processor.
Preferably, charging circuit includes resistance R1 and metal-oxide-semiconductor Q1, the signal end of the grid connection processor of metal-oxide-semiconductor Q1
Connection, the source electrode of metal-oxide-semiconductor Q1 and one end of resistance R1 are connect with the current feedback terminal of processor, the other end connection of resistance R1
Battery.
Preferably, the warning circuit includes signal amplification circuit, delay circuit, low-frequency oscillator, signal amplification circuit
Including triode Q2, triode Q3, the base stage of triode Q2 is connected by one end of resistance R2 and processor, the collection of triode Q2
Electrode is connect with the base stage of triode Q3, and the collector of triode Q3 connects as the output end and delay circuit of signal amplification circuit
It connects, the emitter of triode Q2 and the emitter of triode Q3 are connect with the cathode of battery；Delay circuit includes electricity in parallel
The once single of resistance R3 and capacitor C1, resistance R3 and capacitor C1 connect with the collector of triode Q3, the other end and electricity of capacitor C1
The cathode in pond connects, and the other end of resistance R3 is connect with low-frequency oscillator, and low-frequency oscillator includes triode Q4 and triode Q5,
The base stage of triode Q4 is connect with the other end of resistance R3, and the collector of triode Q4 is connect with the base stage of triode Q5, three poles
The emitter of pipe Q5 also passes through a series arm and connect with the base stage of triode Q4, the series arm by resistance R4, capacitor C2 according to
Secondary to connect and compose, the collector of triode Q5 and the anode of battery connect.
Compared with prior art, the utility model has the beneficial effects that:
The utility model is automatically powered off when not in use by heat-sensitive sensor and timer, saves a large amount of electric power money
Source.Humidity sensor is set, and when electronic scale meets water, processor makes buzzer warning by warning circuit, reminds user.
Detailed description of the invention
Fig. 1 is that a kind of novel intelligent of the utility model automatically powers off the function structure chart of electronic scale；
Fig. 2 is the circuit structure diagram of the warning circuit of the utility model.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model:
As shown in Figure 1, the utility model, which provides a kind of novel intelligent, automatically powers off electronic scale, which is characterized in that including shell
Body, shell is interior to be equipped with battery, charging circuit, weighing sensor, processor, warning circuit, pyroelectric sensor and timer,
Housing upper surface is equipped with pressure sensor, is additionally provided with buzzer and humidity sensor, the pressure sensor, electric power storage on shell
Pond, weighing sensor, humidity sensor, warning circuit, pyroelectric sensor and timer are connect with processor, the charging
Circuit is connect with battery, and buzzer connects warning circuit.
When pressure sensor detects the pressure on shell, processor is sent a signal to, processor makes storage battery power supply, makes
Entire electronic scale works on power.Weighing sensor detects the weight on shell, is sent to processor.Pass through pyroelectricity and timing
Device realizes automatic circuit break function.In use, external temperature will affect the output voltage of the sensor of understanding, when people leans on
When nearly electronic scale, pyroelectric sensor senses heat, and then processor is made to open each device, on the contrary, pyroelectricity senses
Device senses that heat is reduced to a certain extent, and heat does not increase within a certain period of time, and processor can automatically select each device
Shutdown is standby.
The model PT124G-111 of pressure sensor.The model HIH-3602 of humidity sensor.The model of processor
For PM8916.
The charging circuit of the utility model includes resistance R1 and metal-oxide-semiconductor Q1, the letter of the grid connection processor of metal-oxide-semiconductor Q1
Number end connection, the source electrode of metal-oxide-semiconductor Q1 and one end of resistance R1 connect with the current feedback terminal of processor, the other end of resistance R1
Connect battery.
As preferred embodiment, as shown in Fig. 2, warning circuit includes signal amplification circuit, delay circuit, low frequency vibration
Device is swung, signal amplification circuit includes triode Q2, triode Q3, and the base stage of triode Q2 passes through one end of resistance R2 and processor
Connection, the collector of triode Q2 are connect with the base stage of triode Q3, and the collector of triode Q3 is as signal amplification circuit
Output end is connect with delay circuit, and the emitter of triode Q2 and the emitter of triode Q3 are connect with the cathode of battery G；Prolong
When circuit include in parallel resistance R3 and capacitor C1, resistance R3 is once singly connect with the collector of triode Q3 with capacitor C1's,
The other end of capacitor C1 is connect with the cathode of battery G, and the other end of resistance R3 is connect with low-frequency oscillator, and low-frequency oscillator includes
The base stage of triode Q4 and triode Q5, triode Q4 are connect with the other end of resistance R3, the collector of triode Q4 and three poles
The base stage of pipe Q5 connects, and the emitter of triode Q5 is connect with one end of buzzer BL, and the other end of buzzer BL connects battery G
Cathode, the emitter of triode Q5 also passes through a series arm and connect with the base stage of triode Q4, and the series arm is by resistance
R4, capacitor C2 are sequentially connected composition, and the collector of triode Q5 is connect with the anode of battery G.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (6)
1. a kind of novel intelligent automatically powers off electronic scale, which is characterized in that including shell, battery, charging electricity are equipped in shell
Road, weighing sensor, processor, warning circuit, pyroelectric sensor and timer, housing upper surface are equipped with pressure sensor,
Buzzer and humidity sensor, the pressure sensor, battery, weighing sensor, humidity sensor, report are additionally provided on shell
Alert circuit, pyroelectric sensor and timer are connect with processor, and the charging circuit is connect with battery, buzzer connection
Warning circuit.
2. novel intelligent as described in claim 1 automatically powers off electronic scale, which is characterized in that the model of the pressure sensor
For PT124G-111.
3. novel intelligent as described in claim 1 automatically powers off electronic scale, which is characterized in that the model of the humidity sensor
For HIH-3602.
4. novel intelligent as described in claim 1 automatically powers off electronic scale, which is characterized in that the model of the processor
PM8916。
5. novel intelligent as described in claim 1 automatically powers off electronic scale, which is characterized in that charging circuit include resistance R1 with
And the signal end connection of the grid connection processor of metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1, one end of the source electrode of metal-oxide-semiconductor Q1 and resistance R1 with
The current feedback terminal of processor connects, and the other end of resistance R1 connects battery.
6. novel intelligent as described in claim 1 automatically powers off electronic scale, which is characterized in that the warning circuit includes signal
Amplifying circuit, delay circuit, low-frequency oscillator, signal amplification circuit include triode Q2, triode Q3, the base stage of triode Q2
It is connected by one end of resistance R2 and processor, the collector of triode Q2 is connect with the base stage of triode Q3, triode Q3's
Collector is connect as the output end of signal amplification circuit with delay circuit, the transmitting of the emitter and triode Q3 of triode Q2
Extremely it is connect with the cathode of battery；Delay circuit includes resistance R3 and capacitor C1 in parallel, the once list of resistance R3 and capacitor C1
It is connect with the collector of triode Q3, the other end of capacitor C1 and the cathode of battery connect, and the other end and low frequency of resistance R3 shakes
Device connection is swung, low-frequency oscillator includes triode Q4 and triode Q5, and the base stage of triode Q4 is connect with the other end of resistance R3,
The collector of triode Q4 is connect with the base stage of triode Q5, and the emitter of triode Q5 and one end of buzzer connect, buzzing
The cathode of the other end connection battery of device, the emitter of triode Q5 also passes through a series arm and the base stage of triode Q4 connects
It connects, which is sequentially connected and is constituted by resistance R4, capacitor C2, and the collector of triode Q5 and the anode of battery connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527237.5U CN208653632U (en) | 2018-09-18 | 2018-09-18 | A kind of novel intelligent automatically powers off electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527237.5U CN208653632U (en) | 2018-09-18 | 2018-09-18 | A kind of novel intelligent automatically powers off electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208653632U true CN208653632U (en) | 2019-03-26 |
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ID=65792819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821527237.5U Active CN208653632U (en) | 2018-09-18 | 2018-09-18 | A kind of novel intelligent automatically powers off electronic scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208653632U (en) |
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2018
- 2018-09-18 CN CN201821527237.5U patent/CN208653632U/en active Active
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