CN206311217U - Time and temperature indicating device with projecting function - Google Patents
Time and temperature indicating device with projecting function Download PDFInfo
- Publication number
- CN206311217U CN206311217U CN201621476433.5U CN201621476433U CN206311217U CN 206311217 U CN206311217 U CN 206311217U CN 201621476433 U CN201621476433 U CN 201621476433U CN 206311217 U CN206311217 U CN 206311217U
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- Prior art keywords
- microprocessor
- time
- module
- triode
- resistance
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Abstract
The utility model discloses a kind of time with projecting function and temperature indicating device, it is related to temperature and time display device technology field.Described device includes host shell, connected by rotatable component between the host shell and base, microprocessor is provided with the housing, the key-press module and LCD MODULE are embedded on the housing, the key-press module is connected with the signal input part of the microprocessor, and the LCD MODULE is connected with the signal input part of the microprocessor;Temperature sensor is located in the housing, and the signal input part with the microprocessor is connected;Time service module is connected with the signal input part of the microprocessor;Projection module is embedded on the housing, the control signal output connection of the microprocessor.The described device display time is accurate, and with rear-projection function, facilitates observing time at night.
Description
Technical field
The utility model is related to temperature and time display device technology field, more particularly to it is a kind of with projecting function when
Between and temperature indicating device.
Background technology
In the prior art, the clock that family is used typically all manually carrys out regulating time, not only inconvenient operation, and
Time adjustment may be inaccurate.Additionally, at night, if necessary to observing time, it is necessary to turn on light, equally cause it is certain not
Just.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of time with projecting function and temperature display dress
Put, the described device display time is accurate, and with rear-projection function, facilitates observing time at night.
In order to solve the above technical problems, technical solution adopted in the utility model is:It is a kind of with projecting function when
Between and temperature indicating device, it is characterised in that:Including host shell, rotatable component is passed through between the host shell and base
Connection, is provided with microprocessor in the housing, the key-press module and LCD MODULE are embedded on the housing, described
Key-press module is connected with the signal input part of the microprocessor, for being input into control command, the LCD MODULE and institute
State the signal input part connection of microprocessor, the data for showing microprocessor output;Temperature sensor is located at the housing
Interior, the signal input part with the microprocessor is connected, for the environmental information in nernst cell;Time service module and the microprocessor
The signal input part connection of device, for receiving the reference time signal that national reference time signal launching tower sends, and by benchmark
Time signal is sent to the microprocessor, and microprocessor automatically updates the time of the time display apparatus;In projection module
It is embedding on the housing, the projection module is connected with the control signal output of the microprocessor, in microprocessor
Control under send projection signal, time and temperature information are carried out into Projection Display.
Further technical scheme is:Described device also includes power module, and the power module includes battery and electricity
Pond electric power detection module, the power output end of the battery is divided into two-way, and the module of power supply is needed in the first via and described device
Power input connection, for providing working power for it, the sampling input of the second tunnel and the battery electric quantity detection module
End connection, the sampled output of the battery electric quantity detection module is connected with the signal input part of the microprocessor, battery electricity
Amount detection module is used to detect the information about power of the battery, and the information about power of collection is sent to microprocessor
Reason.
Further technical scheme is:The battery electric quantity detection module includes resistance R1, and one end of resistance R1 is electricity
The sampling input in pond, the other end of resistance R1 is divided into three tunnels, and the first via is grounded through electric capacity C1, and the second tunnel is grounded through resistance R2,
3rd tunnel is connected with the base stage of triode Q1, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 respectively with resistance R3
And one end of resistance R4 connects, the other end of resistance R4 is connected with the emitter stage of triode Q2, the other end of resistance R3 and three
The base stage connection of pole pipe Q2, the colelctor electrode of triode Q2 is grounded through resistance R5 and light emitting diode D1 successively, triode Q1 with
The node of resistance R4 is the sampled output of the battery electric quantity detection module, emitter stage and the resistance of the triode Q2
The node of R4 is power input.
Further technical scheme is:The triode Q1 is NPN type triode, and triode Q2 is PNP type triode.
Further technical scheme is:Described device also includes acousto-optic hint module, the acousto-optic hint module and institute
The signal output part connection of microprocessor is stated, for sending acousto-optic hint signal under control of the microprocessor.
Further technical scheme is:The acousto-optic hint module includes light emitting diode and buzzer.
Further technical scheme is:Described device also includes reset key, the reset key and the microprocessor
The signal input part connection of device, for making described device recover to Default Value.
It is using the beneficial effect produced by above-mentioned technical proposal:Time service module, the time service are provided with described device
Module is used to receive the reference time signal that national reference time signal launching tower sends, and reference time signal is sent into institute
Microprocessor is stated, microprocessor automatically updates the display time of the time display apparatus, and time showing is accurate;In described device
Temperature sensor can sense indoor temperature, described device show the time while can also show indoor temperature;It is described
Projection module is additionally provided with device, the working time of the projection module can be set by key-press module, the usual work
Set of time is night, and after the working time for setting is reached, microprocessor controls the projection module work, by described device
Time and temperature information projected, facilitate night to observe.
Additionally, battery electric quantity detection module is provided with described device, the electricity of real-time detection battery, when battery electric quantity is low
When certain value, the microprocessor control acousto-optic hint module sends acousto-optic hint signal, reminds user to charge in time, can
The automatic shutdown caused by battery electric quantity is low is effectively prevented, the stability of described device work is improve.And the battery electric quantity
The simple structure of detection module, low cost of manufacture, good operating stability.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the electrical principle block diagram of the utility model embodiment described device;
Fig. 2 is the schematic diagram of battery electric quantity detection module described in the utility model embodiment;
Fig. 3-7 is the structural representation of the utility model embodiment described device;
Wherein:1st, host shell 2, base 3, LCD MODULE 4, projection module 5, battery compartment, 6, key-press module.
Specific embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be different from other manner described here using other be implemented, and those skilled in the art can be without prejudice to this reality
Similar popularization is done with the case of new intension, therefore the utility model is not limited by following public specific embodiment.
The utility model discloses a kind of time with projecting function and temperature indicating device, as shown in fig. 3 to 7, including
Host shell, is connected between the host shell and base by rotatable component, and rotatable connection, convenient to adjust between the two
Section position between the two.As shown in figure 1, be provided with microprocessor in the housing, the key-press module and liquid crystal display mode
Block is embedded, and the key-press module is connected with the signal input part of the microprocessor on the housing, for being input into control life
Order, the LCD MODULE is connected with the signal input part of the microprocessor, the data for showing microprocessor output;
Temperature sensor is located in the housing, and the signal input part with the microprocessor is connected, for the environment letter in nernst cell
Breath;Time service module is connected with the signal input part of the microprocessor, is sent for receiving national reference time signal launching tower
Reference time signal, and reference time signal is sent to the microprocessor, microprocessor automatically updates the time and shows
The time of showing device;Projection module is embedded on the housing, and the projection module is defeated with the control signal of the microprocessor
Go out end connection, for sending projection signal under control of the microprocessor, time and temperature information are carried out into Projection Display.
As shown in figure 1, described device also includes power module, the power module includes battery and battery electric quantity detection mould
Block, the power output end of the battery is divided into two-way, and the power input of the module of power supply is needed in the first via and described device
Connection, for providing working power for it, the second tunnel is connected with the sampling input of the battery electric quantity detection module, the electricity
The sampled output of pond electric power detection module is connected with the signal input part of the microprocessor, and battery electric quantity detection module is used for
The information about power of the battery is detected, and the information about power of collection is sent to microprocessor is processed.
As shown in Fig. 2 the battery electric quantity detection module includes resistance R1, one end of resistance R1 is the sampling input of battery
End, the other end of resistance R1 is divided into three tunnels, and the first via is grounded through electric capacity C1, and the second tunnel is through resistance R2 ground connection, the 3rd tunnel and three poles
The base stage connection of pipe Q1, the grounded emitter of triode Q1, the colelctor electrode of triode Q1 is respectively with resistance R3's and resistance R4
One end connects, and the other end of resistance R4 is connected with the emitter stage of triode Q2, the other end of resistance R3 and the base stage of triode Q2
Connection, the colelctor electrode of triode Q2 is grounded through resistance R5 and light emitting diode D1 successively, the node of triode Q1 and resistance R4
It is the sampled output of the battery electric quantity detection module, the emitter stage of the triode Q2 is electricity with the node of the resistance R4
Source input.Further, the triode Q1 is NPN type triode, and triode Q2 is PNP type triode.
In Fig. 2, Vbat is the output voltage of battery, first the battery threshold threshold voltage of alarm and three poles as needed
The conduction threshold voltage of pipe Q1 selects resistance R1 and resistance R2, for example:Triode Q1 selects paster triode 2N3905, battery
For 2 series connection for saving single lithium batteries, it is necessary to start alarm when lithium battery voltage drops to 5.5V (Vbat=5.5V), and due to patch
The conduction threshold voltage of piece triode 2N3905 is 0.5V (Vbe=0.5V), then can be according to formula Vbat=Vbe* (R1
+ R2)/R2 determines first resistor R1, the size of second resistance R2.
The emitter stage of triode Q2 connects+5V power supplys, the general-purpose interface line GPI01 sampling A level point electricity of microcontroller
Pressure;When being detected, GPI01 is initialized as input state, when cell voltage is higher than threshold voltage, triode Q1 leads
Logical, then triode Q2 conductings, light emitting diode D1 is lighted, and shows that now electric quantity of lithium battery is normal, and GPI01 detects low electricity
It is flat;When cell voltage is less than threshold voltage, triode Q1 cut-offs, then triode Q2 cut-offs, light emitting diode D1 extinguishes,
GPI01 detects high level, and now into alarm mode, then, GPI01 is set to output mode by microcontroller, and output is high
Level, triode Q1 keeps cut-off, and light emitting diode D1 keeps OFF state, then time delay T1, makes GPI01 export low level,
Then triode Q2 conductings, light emitting diode D1 is lighted;Time delay T2 again, setting GPI01 are input pattern, are detected again, are so followed
Ring.In this way, when lithium battery voltage is less than threshold voltage, the light emitting diode D1 presentation T1 times extinguish what+T2 the times lighted
Periodic flicker state.Resistance R3 and resistance R5 plays metering function, and resistance R4 is pull-up resistor, and electric capacity C1 strobes.Institute
Simple structure, the low cost of battery electric quantity detection module are stated, and with alarm lamp, convenient observation.
As shown in figure 1, the prompting for entering row information for convenience, described device is also including acousto-optic hint module, the sound
Light reminding module is connected with the signal output part of the microprocessor, for sending acousto-optic hint letter under control of the microprocessor
Number.Further, the acousto-optic hint module generally comprises light emitting diode and buzzer.Additionally, described device is also included again
Position button, the reset key is connected with the signal input part of the microprocessor, for making described device recover to dispatching from the factory to set
Put.
Time service module is provided with described device, the time service module is used to receive national reference time signal launching tower transmission
Reference time signal, and reference time signal is sent to the microprocessor, microprocessor automatically updates the time and shows
The display time of showing device, time showing is accurate;Temperature sensor in described device can sense indoor temperature, in the dress
Indoor temperature can also be shown while putting the display time;Projection module is additionally provided with described device, can be with by key-press module
The working time of the projection module is set, and the usual working time is set to night, after the working time for setting is reached,
Microprocessor controls the projection module work, and the time of described device and temperature information are projected, and facilitates night to see
Examine.
Additionally, battery electric quantity detection module is provided with described device, the electricity of real-time detection battery, when battery electric quantity is low
When certain value, the microprocessor control acousto-optic hint module sends acousto-optic hint signal, reminds user to charge in time, can
The automatic shutdown caused by battery electric quantity is low is effectively prevented, the stability of described device work is improve.And the battery electric quantity
The simple structure of detection module, low cost of manufacture, good operating stability.
Claims (7)
1. a kind of time and temperature indicating device with projecting function, it is characterised in that:Including host shell, the main case
Connected by rotatable component between body and base, microprocessor, key-press module and liquid crystal display mode are provided with the housing
Block is embedded, and the key-press module is connected with the signal input part of the microprocessor on the housing, for being input into control life
Order, the LCD MODULE is connected with the signal input part of the microprocessor, the data for showing microprocessor output;
Temperature sensor is located in the housing, and the signal input part with the microprocessor is connected, for the environment letter in nernst cell
Breath;Time service module is connected with the signal input part of the microprocessor, is sent for receiving national reference time signal launching tower
Reference time signal, and reference time signal is sent to the microprocessor, microprocessor automatically updates time showing dress
The time put;Projection module is embedded on the housing, the control signal output of the projection module and the microprocessor
Connection, for sending projection signal under control of the microprocessor, Projection Display is carried out by time and temperature information.
2. there is time and the temperature indicating device of projecting function as claimed in claim 1, it is characterised in that:Described device is also
Including power module, the power module includes battery and battery electric quantity detection module, and the power output end of the battery is divided into
Two-way, the first via is connected with the power input of the module that power supply is needed in described device, for providing working power for it, the
Two tunnels are connected with the sampling input of the battery electric quantity detection module, the sampled output of the battery electric quantity detection module with
The signal input part connection of the microprocessor, battery electric quantity detection module is used to detect the information about power of the battery, and will
The information about power of collection sends to microprocessor and is processed.
3. there is time and the temperature indicating device of projecting function as claimed in claim 2, it is characterised in that:The battery electricity
Amount detection module includes resistance R1, and one end of resistance R1 is the sampling input of battery, and the other end of resistance R1 is divided into three tunnels, the
It is grounded through electric capacity C1 all the way, the second tunnel is grounded through resistance R2, the 3rd tunnel is connected with the base stage of triode Q1, the transmitting of triode Q1
Pole is grounded, and the one end of the colelctor electrode of triode Q1 respectively with resistance R3 and resistance R4 is connected, the other end of resistance R4 and three poles
The emitter stage connection of pipe Q2, the other end of resistance R3 is connected with the base stage of triode Q2, and the colelctor electrode of triode Q2 is successively through electricity
Resistance R5 and light emitting diode D1 ground connection, triode Q1 is defeated with the sampling that the node of resistance R4 is the battery electric quantity detection module
Go out end, the emitter stage of the triode Q2 is power input with the node of the resistance R4.
4. there is time and the temperature indicating device of projecting function as claimed in claim 3, it is characterised in that:The triode
Q1 is NPN type triode, and triode Q2 is PNP type triode.
5. there is time and the temperature indicating device of projecting function as claimed in claim 1, it is characterised in that:Described device is also
Including acousto-optic hint module, the acousto-optic hint module is connected with the signal output part of the microprocessor, in microprocessor
Acousto-optic cue is sent under the control of device.
6. there is time and the temperature indicating device of projecting function as claimed in claim 5, it is characterised in that:The acousto-optic is carried
Show that module includes light emitting diode and buzzer.
7. there is time and the temperature indicating device of projecting function as claimed in claim 1, it is characterised in that:Described device is also
Including reset key, the reset key is connected with the signal input part of the microprocessor, for make described device recover to
Default Value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621476433.5U CN206311217U (en) | 2016-12-30 | 2016-12-30 | Time and temperature indicating device with projecting function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621476433.5U CN206311217U (en) | 2016-12-30 | 2016-12-30 | Time and temperature indicating device with projecting function |
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Publication Number | Publication Date |
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CN206311217U true CN206311217U (en) | 2017-07-07 |
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ID=59248754
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CN201621476433.5U Expired - Fee Related CN206311217U (en) | 2016-12-30 | 2016-12-30 | Time and temperature indicating device with projecting function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107727275A (en) * | 2017-11-02 | 2018-02-23 | 国网山西省电力公司大同供电公司 | A kind of switch cubicle contact temperature measuring equipment |
CN109270827A (en) * | 2018-12-11 | 2019-01-25 | 大连大学 | A kind of examination laser projection timer and its working method |
-
2016
- 2016-12-30 CN CN201621476433.5U patent/CN206311217U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107727275A (en) * | 2017-11-02 | 2018-02-23 | 国网山西省电力公司大同供电公司 | A kind of switch cubicle contact temperature measuring equipment |
CN109270827A (en) * | 2018-12-11 | 2019-01-25 | 大连大学 | A kind of examination laser projection timer and its working method |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20181230 |
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CF01 | Termination of patent right due to non-payment of annual fee |