CN206787696U - A kind of low-power consumption height and weight measurement apparatus - Google Patents
A kind of low-power consumption height and weight measurement apparatus Download PDFInfo
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- CN206787696U CN206787696U CN201720603235.9U CN201720603235U CN206787696U CN 206787696 U CN206787696 U CN 206787696U CN 201720603235 U CN201720603235 U CN 201720603235U CN 206787696 U CN206787696 U CN 206787696U
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- power supply
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- control chip
- main control
- weighing
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Abstract
The utility model discloses a kind of low-power consumption height and weight measurement apparatus, including panel of weighing, montant and control module, the top of montant is connected with a cross bar, weigh and multiple support columns are installed below panel, control module includes main control chip, weighing sensor, ultrasonic distance measuring module and power module, also include touch switch, power module includes secondary power supply and main power source, and secondary power supply obtains after being handled by the boosting of the boosted circuit of main power source；Touch switch is connected with main control chip and secondary power supply, and the feeder ear of ultrasonic distance measuring module and weighing sensor electrically connects with secondary power supply.The utility model can both realize height and body weight while the purpose of measurement, also main control chip and secondary power supply can be controlled by touch switch, so that in a non-operative state, main control chip is in the park mode of lowest power consumption while cuts off the power supply of ultrasonic distance measuring module and weighing sensor.With the low beneficial features of simple in construction, energy consumption.
Description
Technical field
It the utility model is related to a kind of electronic measuring device, and in particular to a kind of low-power consumption height and weight measurement apparatus.
Background technology
At present, be typically that height and body weight separately measure during traditional measurement height and weight, usually using tape measure, tape or
Mark graduated straight-bar to be used for measuring height, then survey body weight with common doctor's type scale.Measuring apparatus is not only simple and crude, uses not side
Just, the problem of also having that measurement accuracy is not high, measurement efficiency is low etc..Limited simultaneously by its structure, traditional measurement height and weight
Equipment has contingency and single when in use.The data that i.e. its measurement obtains can not voluntarily be stored, can not carried out for a long time
Record, therefore its intelligence degree is low, is unfavorable for people and understands the physical condition of itself.
To overcome drawbacks described above, the smart electronicses that height is combined as a whole will be weighed and measure in the market by, which occurring, sets
It is standby.Such as the Chinese utility model patent that Authorization Notice No. is CN201022703Y discloses one kind by top ultrasonic range finder
Pop one's head in (1), the weighing sensor weighing platform (2) of bottom, the built-in SCM system of the mainframe box at middle part (5), the cuff of cabinet side
Air bag (3) form, SCM system (5) respectively with ultrasonic ranging instrument probe (1), sensor weighing platform (2), cuff air bag (3)
And display screen, loudspeaker, printer are connected.This kind of device can measure body weight, height, blood pressure and pulse simultaneously, easy to use,
Measurement is quick, and intelligence degree is high.But the equipment complex designing, while SCM system either working condition, are in
Holding state is connected conducting with power supply, and electric energy power consumption is high, is unfavorable for saving the energy, is also unfavorable for the use longevity of electronic chip
Life.
The content of the invention
For above-mentioned deficiency, the utility model provides a kind of low-power consumption height and weight simple in construction, easy to use and surveyed
Device is measured, it can not only measure the body weight and height of people simultaneously, moreover it is possible to automatically cut off control chip in a non-operative state
Power supply, effectively save electric energy.
To solve the above problems, the utility model is achieved through the following technical solutions：
A kind of low-power consumption height and weight measurement apparatus, including panel of weighing, be installed vertically on weigh montant on panel and
Control module below panel of weighing, the top of montant are connected with a cross bar, are provided with below the panel of weighing more
Individual support column, the control module include main control chip, weighing sensor, ultrasonic distance measuring module and power module, biography of weighing
The input of sensor and main control chip is connected and is installed on the lower section housing for panel of weighing, ultrasonic distance measuring module and master control
Ultrasonic probe in the input connection of chip and ultrasonic distance measuring module is installed on cross bar, in addition to touch switch, institute
Stating power module includes secondary power supply and the main power source for being powered to main control chip, and the secondary power supply is boosted by main power source
Obtained after the boosting processing of circuit；The touch switch is connected with main control chip and secondary power supply, to control main control chip
While being operated pattern switching, also control the break-make of secondary power supply；The ultrasonic distance measuring module and weighing sensor
Feeder ear electrically connects with secondary power supply；A spring is arranged with each support column.
The mode of operation of the main control chip specifically refers to PM3 power supplys (dormancy) pattern and mode of operation.
In such scheme, the touch switch includes normally-closed contact J3, normally opened contact J1 and movable contact J2, normally-closed contact J3
End thereof contacts move the low level end of Switching Power Supply, its other end is connected with movable contact J2 one end, the movable contact J2 other end
It is divided into two branch roads：Wherein a branch road is connected with main control chip signal, and another branch road electrically connects with secondary power supply；Normally opened contact J1
The high level end of the dynamic Switching Power Supply of contact.
In such scheme, the main control chip includes the Bluetooth chip that model is CC2541, and the Bluetooth chip passes through built-in
Bluetooth module or RF modules be connected with mobile terminal.
In such scheme, the main power source can be 3.3V button cell, and the magnitude of voltage of the secondary power supply is 5V.
Further, the mobile terminal can be smart mobile phone or intelligent watch.
In such scheme, the control module also includes the temperature compensation module for measuring environment temperature, the temperature
The input of compensating module and main control chip is connected and is powered by secondary power supply.
The temperature compensation module can be the temperature sensor that model is DS18B20.
Beneficial features of the present utility model are：
The utility model realizes height and body weight while the purpose of measurement by ultrasonic distance measuring module and weighing sensor,
And main control chip and secondary power supply are controlled by touch switch so that in a non-operative state, main control chip is in minimum work(
The park mode of consumption while the power supply for cutting off ultrasonic distance measuring module and weighing sensor.Compared with prior art, have
Beneficial features simple in construction, easy to use, energy consumption is low.
Brief description of the drawings
Fig. 1 is structural representation when this low-power consumption height and weight measurement apparatus uses.
Fig. 2 is the side block diagram on chassis of weighing.
Fig. 3 is the system block diagram of this low-power consumption height and weight measurement apparatus.
Fig. 4 is the circuit diagram of touch switch.
Fig. 5 is the operating circuit connection figure of main control chip.
In figure marked as：1st, weigh panel, 2, montant, 3, ultrasonic probe, 4, support column, 5, control module, 6, spring,
7th, main control chip, 8, touch switch, 9, power module, J1, normally opened contact, J2, movable contact, J3, normally-closed contact.
Embodiment
As shown in Figure 1 and Figure 2, a kind of low-power consumption height and weight measurement apparatus, including panel 1 of weighing, be installed vertically on and weigh
Montant 2 on panel 1 and the control module 5 located at the lower section of panel 1 of weighing, the lower section for weighing panel 1 is provided with multiple
Dagger 4, the top of montant 2 are connected with a cross bar.Ultrasonic probe 3 in ultrasonic distance measuring module is installed on cross bar, described
The height distance of ultrasonic probe 3 and panel 1 of weighing is 2.5m, i.e., the highest height values that the present apparatus can measure are 2.5m.Claim
Sensor is retransmitted to be installed on the lower section housing for panel 1 of weighing.In the present embodiment, montant 2 is connected L-shaped structure with cross bar, and
The inside of montant 2 and cross bar is connection hollow, in order to circuit.A spring 6 is arranged with each support column 4.
As shown in figure 3, also include touch switch 8.The control module 5 includes main control chip 7, weighing sensor, ultrasound
Ripple range finder module and the power module 9 for power supply.The power module 9 includes secondary power supply and for being supplied to main control chip 7
The main power source of electricity, the secondary power supply obtain after being handled by the boosting of the boosted circuit of main power source.In the present embodiment, to make system
Run more stable, mu balanced circuit is also connected between the booster circuit and secondary power supply.The touch switch 7 is and main control chip
7 connect with secondary power supply, while to control main control chip 7 to be operated pattern switching, also control the break-make of secondary power supply.
The feeder ear of the ultrasonic distance measuring module and weighing sensor electrically connects with secondary power supply.The control module 5 also includes
For the temperature compensation module of measuring environment temperature, the temperature compensation module is connected with the input of main control chip 7 and by two
Secondary source is powered.
In the present embodiment, the weighing sensor is weighed as 50Kg using 4 maximums, and the weight that sensitivity is 1mv/v passes
Sensor concatenation forms.Four common stress of weight sensor, make batheroom scale maximum weigh scope be 4 sensors maximum title
Weight sum, i.e. 200Kg.
In the present embodiment, the main control chip 7 includes the Bluetooth chip that model is CC2541, and it passes through built-in bluetooth mould
Block or RF modules are connected with mobile terminal.The mobile terminal can be smart mobile phone or intelligent watch.Measure obtained body
High, weight data is sent to display, storage on mobile phone by bluetooth module or RF modules, is advantageous to people and is observed the body of itself
Situation.
Specifically, the main power source is 3.3V button cell, and the magnitude of voltage of the secondary power supply is 5V.I.e. by 3.3V's
Voltage respectively by the processing of booster circuit and mu balanced circuit after, obtain 5V secondary power supply.
As shown in figure 5, weighing sensor is connected with the input of main control chip 7, CC2541 Bluetooth chips are specifically accessed
P0_1 pin.Ultrasonic distance measuring module is connected with the input of main control chip 7, specifically accesses the P2_0 of CC2541 Bluetooth chips
Pin and P2_1 pin.The temperature compensation module is specially the temperature sensor that model is DS18B20, accesses the P1_ of main control chip 7
6 pin.
As shown in figure 4, the touch switch 8 includes normally-closed contact J3, normally opened contact J1 and movable contact J2, normally-closed contact J3
The low level ends of end thereof contacts 8 power supplys of dynamic switch, its other end be connected with movable contact J2 one end, the movable contact J2 other end
It is divided into two branch roads：A wherein branch road is connected with the signal of main control chip 7, specifically accesses the P1_0 pin of CC2541 Bluetooth chips；
Another branch road electrically connects with secondary power supply.Normally opened contact J1 connects the high level end of the power supply of touch switch 8.When mounted, it is normally opened to touch
Point J1 is arranged on the position contour with support column 4, and normally-closed contact J3 vertically-mounted height is higher than normally opened contact J1, movable contact J2
Isometry position located at the lower section for panel of weighing, when spring non-compressed state.That is movable contact J2 is with the movement for panel 1 of weighing
Switched in normally-closed contact J3 and normally opened contact J1.
During utility model works：
1) on after electricity, when device is in off working state, i.e., the movable contact J2 in touch switch 8 is connected with normally-closed contact J3
When, it is that CC2541 Bluetooth chips first initialize internal each functional part and configuration DS18B20 chip internal registers first, then
CC2541 Bluetooth chips enter PM3 electric source modes state/park mode state of lowest power consumption, and now CPU core is out of service,
Secondary power supply powers off, then ultrasonic distance measuring module and weighing sensor power off, are out of service.
2) when there is human body weighing, panel 1 of weighing moves down, then the movable contact J2 and normally opened contact in touch switch 8
J1 connections, now touch switch 8 to main control chip 7 send a signal, make CC2541 Bluetooth chips from PM3 electric source modes/stop
Sleep mode is switched to mode of operation；Secondary power supply obtains electric work simultaneously, is mended to weighing sensor, ultrasonic measurement module and temperature
Module for power supply is repaid, then ultrasonic distance measuring module and weighing sensor start to measure work, that is, obtain the height and body weight of tested person
Data, then CC2541 Bluetooth chips are by bluetooth PCB antenna transmitting Bluetooth broadcast signal, when the scanning of neighbouring bluetooth master is arrived
Can ask to match during Slave Broadcast signal, can be carried out communicating between successful matching aft engine and slave, i.e., smart mobile phone or
Intelligent watch is communicated wirelessly with CC2541 Bluetooth chips and is connected, and measurement data is sent to smart mobile phone or intelligent watch
Display, storage.
3) when measurement finishes, i.e., human body is withdrawn when weighing panel 1, panel 1 of weighing because the effect of spring 6 sets back,
Then the movable contact J2 in touch switch 8 from normally opened contact J1 switch to normally-closed contact J3 when, equipment returns to state 1).Specifically
Be CC2541 Bluetooth chips is changed into PM3 park modes from mode of operation, while by weighing sensor, ultrasonic measurement module, temperature
Compensating module power-off is spent, equipment enters super low-power consumption state, and equipment is triggered when weigh next time and again goes into work shape
State.
Claims (7)
1. a kind of low-power consumption height and weight measurement apparatus, including panel of weighing (1), be installed vertically on it is perpendicular on panel of weighing (1)
Bar (2) and the control module (5) below panel of weighing (1), the top of montant (2) are connected with a cross bar, the face of weighing
Multiple support columns (4) are installed, the control module (5) includes main control chip (7), weighing sensor, ultrasound below plate (1)
Ripple range finder module and power module (9), weighing sensor are connected with the input of main control chip (7) and are installed on panel of weighing
(1) on lower section housing, ultrasonic distance measuring module is connected with the input of main control chip (1) and surpassing in ultrasonic distance measuring module
Sonic probe (3) is installed on cross bar, it is characterised in that：Also include touch switch (8), the power module (9) includes secondary
Power supply and the main power source for being powered to main control chip (7), the secondary power supply are handled by the boosting of the boosted circuit of main power source
After obtain；The touch switch (8) is connected with main control chip (7) and secondary power supply, the ultrasonic distance measuring module and weighs
The feeder ear of sensor electrically connects with secondary power supply；Spring (6) is arranged with each support column (4).
2. low-power consumption height and weight measurement apparatus according to claim 1, it is characterised in that：Touch switch (8) bag
Include normally-closed contact J3, normally opened contact J1 and movable contact J2, the low level of normally-closed contact J3 dynamic switch (8) power supply of end thereof contacts
End, its other end are connected with movable contact J2 one end, and the movable contact J2 other end is divided into two branch roads：Wherein a branch road and master control
Chip (7) signal connects, and another branch road electrically connects with secondary power supply；Normally opened contact J1 connects the high level of touch switch (8) power supply
End.
3. low-power consumption height and weight measurement apparatus according to claim 1 or 2, it is characterised in that：The main control chip (7)
It is CC2541 Bluetooth chip including model, the Bluetooth chip is connected with mobile whole by built-in bluetooth module or RF modules
End.
4. low-power consumption height and weight measurement apparatus according to claim 3, it is characterised in that：The main power source is 3.3V's
Button cell, the magnitude of voltage of the secondary power supply is 5V.
5. low-power consumption height and weight measurement apparatus according to claim 3, it is characterised in that：The mobile terminal is intelligence
Mobile phone or intelligent watch.
6. low-power consumption height and weight measurement apparatus according to claim 1, it is characterised in that：The control module (5) is also
Including the temperature compensation module for measuring environment temperature, the temperature compensation module is connected with the input of main control chip (7),
And powered by secondary power supply.
7. low-power consumption height and weight measurement apparatus according to claim 6, it is characterised in that：The temperature compensation module is
Model is DS18B20 temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720603235.9U CN206787696U (en) | 2017-05-26 | 2017-05-26 | A kind of low-power consumption height and weight measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720603235.9U CN206787696U (en) | 2017-05-26 | 2017-05-26 | A kind of low-power consumption height and weight measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206787696U true CN206787696U (en) | 2017-12-22 |
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ID=60713337
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720603235.9U Expired - Fee Related CN206787696U (en) | 2017-05-26 | 2017-05-26 | A kind of low-power consumption height and weight measurement apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN206787696U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121183A (en) * | 2017-05-26 | 2017-09-01 | 桂林电子科技大学 | A kind of low-power consumption height and weight measurement apparatus |
| CN109655141A (en) * | 2018-12-29 | 2019-04-19 | 出门问问信息科技有限公司 | The weighing method and device of a kind of electronic equipment |
| CN111587579A (en) * | 2018-01-11 | 2020-08-25 | 罗伯特·博世有限公司 | Sensor device and method for operating a sensor device |
-
2017
- 2017-05-26 CN CN201720603235.9U patent/CN206787696U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121183A (en) * | 2017-05-26 | 2017-09-01 | 桂林电子科技大学 | A kind of low-power consumption height and weight measurement apparatus |
| CN111587579A (en) * | 2018-01-11 | 2020-08-25 | 罗伯特·博世有限公司 | Sensor device and method for operating a sensor device |
| CN109655141A (en) * | 2018-12-29 | 2019-04-19 | 出门问问信息科技有限公司 | The weighing method and device of a kind of electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20180526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |