CN206739738U - One kind detection refrigerator - Google Patents
One kind detection refrigerator Download PDFInfo
- Publication number
- CN206739738U CN206739738U CN201720266086.1U CN201720266086U CN206739738U CN 206739738 U CN206739738 U CN 206739738U CN 201720266086 U CN201720266086 U CN 201720266086U CN 206739738 U CN206739738 U CN 206739738U
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- China
- Prior art keywords
- beverage
- signal
- circuit
- pallet
- detection
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Abstract
The utility model discloses one kind to detect refrigerator, includes multiple pallets, is provided with pallet：Signal projector, elastic pressure parts, gravity sensitive device, anti-error circuit and on-off circuit.Beverage is placed on pallet, and push down beverage by elastic pressure parts and apply certain pressure to beverage, detected by gravity sensitive device, when detect no beverage or be drunk it is out-of-date, the numerical value now detected on pressure sensor device can change, output comparison signal is checked again inside anti-error circuit, eliminate someone and the situation that beverage takes up and puts back to is caused into false alert, after confirmation, output a control signal to on-off circuit, when confirming beverage using falling, on-off circuit switch on power enabling signal transmitter occur signal；Conversely, signal does not occur.In addition, the height of beverage is defined by the setting of elastic pressure parts so that the interference of Different Package, the raw material of height and cup and other items is all discharged outside.
Description
Technical field
A kind of provisional beverage storage device is the utility model is related to, more particularly to a kind of detection refrigerator.
Background technology
Vending machine for beverage is commercially popularized at present, because it is kept an eye on without personnel, by buyer voluntarily
The mode of coin provides corresponding beverage to buyer.
However, in occasions such as some hotels, KTV, the coin operated vending machine of this kind of use does not apply to simultaneously, than
Such as in KTV, when needing drinks, beverage, it is necessary to oneself calling service person of client, then waiter enters according to the demand of client
Row dispatching.Again such as in hotel, it is necessary to which cleanup crew just can know that after entering inspection after the beverage in hotel is drunk up,
So as to be supplemented and charging.Several situations above are required for putting into larger human cost, and for the experience of client
It is not very good.
Utility model content
The purpose of this utility model is to provide a kind of detection refrigerator, and it can carry out automatic detection to the beverage being placed on it
Whether it has been used by a person.
Above-mentioned technical purpose of the present utility model technical scheme is that：
One kind detection refrigerator, includes multiple pallets, is provided with the pallet：
Signal projector, a power supply is connected to, the signal to be changed for launching beverage on pallet；
Elastic pressure parts, located at the bottom of pallet, the top for pressing beverage applies a pressure to beverage；
Gravity sensitive device, the active force acted on for detecting beverage on pallet on pallet, when active force is pre- less than one
If during value, export a comparison signal；
Anti-error circuit, gravity sensitive device is coupled in, to be exported according to the situation of change of comparison signal in preset time
One control signal；
On-off circuit, the anti-error circuit is coupled in, in response to control signal, to control between power supply and signal projector
Switching.
It is arranged such, beverage is placed on pallet, and pushes down beverage by elastic pressure parts and apply certain pressure to beverage
Power, detected by gravity sensitive device, when detect no beverage or be drunk it is out-of-date, now pressure sensing fill
Putting the numerical value of detection can be changed, and output comparison signal is checked again inside anti-error circuit, and eliminating someone will drink
The situation for expecting to take up and put back to causes false alert, after confirmation, outputs a control signal to on-off circuit, when confirmation beverage
Using falling, signal occurs for the on-off circuit enabling signal transmitter that switches on power；Conversely, signal does not occur.In addition, pass through
The setting of elastic pressure parts is defined to the height of beverage so that the interference of Different Package, the raw material of height and cup and other items
All it is discharged outside.
More preferably, the pressure sensor device includes：
Pressure sensor, the active force acted on for detecting beverage on pallet on pallet, export a detection signal；
Comparison circuit, the detection signal is received, it is defeated for the amplitude of the detection signal and the size of preset value
Go out the comparison signal.
It is arranged such, realizes the detection to beverage weight, and judge to realize by comparison circuit.
More preferably, the comparison circuit includes：
Preset value generative circuit, output one are used for the preset value compared with the detection signal；
Comparator, its input in the same direction receive the detection signal, and reverse input end receives the preset value, and output end is defeated
Go out the comparison signal.
It is arranged such, preset value function is manually entered to realize by preset value generative circuit, by changing preset value
Size starts weight to regulate and control it, selects to detect the beverage of different gravity with this.
More preferably：The preset value generative circuit includes first resistor and potentiometer, and one end of first resistor connects
Supply voltage is connect, the other end is connected to the movable end of the potentiometer, a fixing end of potentiometer and the reverse input of comparator
End connection, another fixing end ground connection.
It is arranged such, overregulates the movable end of potentiometer to adjust the resistance sizes on potentiometer, so as to adjusts the first electricity
Resistance and the resistance ratio of potentiometer, and then different size of comparison signal is inputted into the input of comparator.
More preferably, the anti-error circuit includes：
Delay circuit, its input are coupled to the comparison circuit, compare letter in response to comparison signal and the delay of output one
Number；
With door, there is two inputs and an output end, the output end of one input and delay circuit couples, separately
The output end of one input and comparison circuit couples, its output end output control signal.
Be arranged such, when gravity sensitive device detect beverage by by when, comparison signal input time delay circuit and with door
In one input, when in the time set in delay circuit, when comparison signal does not change, exported with gate output terminal
Controlling switch circuit switches on power the delay comparison signal of enabling signal transmitter；Conversely, with gate output terminal output control switch
The delay comparison signal of circuit deenergization not enabling signal transmitter.
More preferably：The on-off circuit includes second resistance and triode, one end connection of the second resistance
In the output end of comparator, the other end is connected to the base stage of triode；The emitter stage of the triode is connected to signal projector,
The colelctor electrode of triode is connected to starting switch.
It is arranged such, by triode in response to delay comparison signal come the switching electricity of control signal transmitter.
More preferably：The standing groove being engaged with placing article, the gravity sensor are provided with the pallet
Located at the bottom of standing groove.
It is arranged such, beverage is placed by the setting of standing groove, positioning, the effect of anti-rock can be played.
More preferably：The gravity sensor is embedded at the bottom of standing groove in circular arc and depression.
It is arranged such, sets gravity sensor and the annular projection of beverage bottom to be kept away to cooperation by annular
Exempt from customer using the much the same article of some shapes to substitute beverage for another surreptitiously, or led because article is placed on standing groove by imprudence
Cause can not judge beverage whether using falling, and causing to be supplemented in time the problem of.
More preferably：The pallet relative to be provided with one end end face of standing groove along standing groove axial line set
Mounting groove, the elastic pressure parts include briquetting and spring, and for the spring in mounting groove, the briquetting sliding is sheathed on installation
On groove.
It is arranged such, realizes pressing of the elastic pressure parts to beverage.
More preferably：The annular with being caught in for beverage cover top portion annular projection is provided with the end face of the briquetting
Groove.
It is arranged such, carries out further interference and eliminate, not only the limited height of beverage bottle is determined, to shape at the top of beverage bottle
Shape also has certain requirement.
In summary, the utility model has the advantages that：Whether can be used with beverage on automatic detection pallet
Fall, and can interpolate that whether beverage has and a variety of situations such as opened, drunk, there is higher automatic decision ability, reduce artificial
The cost of service.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the structural representation of pallet in the present embodiment；
Fig. 3 is the mounting structure schematic diagram of beverage in the present embodiment；
Fig. 4 is Fig. 3 A portions enlarged drawing；
Fig. 5 is the circuit theory diagrams of the present embodiment.
In figure, 1, pallet；2nd, standing groove；3rd, pressure sensor；4th, mounting groove；5th, elastic pressure parts；51st, spring；52nd, press
Block；521st, annular groove；11st, the first preset value generative circuit；12nd, the first comparison circuit；13rd, switch element；14th, anti-error electricity
Road；15th, the second preset value generative circuit；16th, the second comparison circuit.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in the scope of protection of the utility model by Patent Law.
One kind detection refrigerator, as shown in figure 1, including multiple horizontally disposed pallets 1,1 rectangular tabular of pallet, is used for
Beverage is placed, as shown in Fig. 2 being provided with multiple circular standing grooves 2, the size of standing groove 2 is slightly larger than aluminum canned drinks
External diameter, the height of standing groove 2 is 2cm.
As shown in figure 3, being provided with a sleeve in the bottom of pallet 1, mounting groove 4 is provided with sleeve, mounting groove 4 is with putting
Put groove 2 to be respectively arranged on the both ends end face of pallet 1, and concentric is set between mounting groove 4 and standing groove 2, is set on mounting groove 4
There are an elastic pressure parts 5, elastic pressure parts 5 include briquetting 52 and spring 51, and spring 51 is in mounting groove 4, the sliding of the one end of briquetting 52
It is sheathed on mounting groove 4, other end protrusion pallet 1, as shown in figure 4, being provided with the end face of briquetting 52 and supplying beverage shell
The annular groove 521 that top annular projection is caught in.
As shown in figure 3, above-mentioned multiple pallets 1 are set in parallel, distance is more than the height of beverage between adjacent two pallet 1,
And when beverage is positioned on standing groove 2, the elastic pressure parts 5 of the bottom of pallet 1 above beverage, briquetting 52 thereon compresses
At the top of aluminum canned drinks, and the annular protrusion at the top of aluminum canned drinks is embedded into annular groove 521.
Wherein, it is additionally provided with pallet 1：
One pressure sensor device, reference picture 5 include pressure sensor 3 and comparison circuit, and pressure sensor 3 is in annulus
Shape is set, and is embedded at the bottom of standing groove 2, and pressure sensor 3 is set with the 2 concyclic heart of standing groove, and where pressure sensor 3
End face is less than the bottom of standing groove 2, when beverage is placed on standing groove 2, the bossing of beverage bottom just with pressure sensing
Device 3 contacts, and to detect Item Weight on pallet 1, exports a detection signal；
Comparison circuit is used to compare the amplitude of detection signal and the size of preset value, output comparison signal, and it includes default
It is worth generative circuit and comparator.Wherein, preset value generative circuit output one is used for the preset value compared with detection signal, and it includes
First resistor R1 and potentiometer, potentiometer are a swept resistance, and first resistor R1 one end connects supply voltage, other end connection
In the movable end of potentiometer, a fixing end of potentiometer and the reverse input end connection of comparator, another fixing end are grounded.Compare
The input in the same direction of device is connected with pressure sensor 3 to receive detection signal output end output comparison signal.
One anti-error circuit 14, reference picture 5, to be believed according to the control of situation of change output one of comparison signal in preset time
Number, it includes delay circuit and is coupled to the comparison circuit with door, the input of delay circuit, in response to comparison signal and defeated
Go out a delay comparison signal；There is two inputs and an output end, the output of one input and delay circuit with door
End coupling, the output end coupling of another input and comparison circuit, its output end output control signal.
One on-off circuit, reference picture 5, in response to control signal, to control between a signal projector and power supply it is logical,
It is disconnected, by launching the signal that beverage is used by a person on pallet 1 to signal projector.It includes second resistance R3 and three poles
Pipe, one end of the second resistance R3 are connected to the output end of comparator, and the other end is connected to the base stage of triode；Three pole
The emitter stage of pipe is connected to signal projector, and the colelctor electrode of triode is connected to starting switch.
When in use, beverage is placed in the standing groove 2 on pallet 1, positioned at the now bottom of pallet 1 above beverage
Briquetting 52 is pressed on beverage, and certain pressure is produced on beverage, and now pressure sensor 3, which detects, is placed on pallet 1
Beverage, that is, the amplitude of the detection signal detected are more than preset value, and now triode is not turned on, i.e., between signal projector and power supply
It is not turned on.When beverage is picked up by people, that is, the amplitude of the detection signal detected is less than preset value, and now comparison signal input is prolonged
When circuit and with an input of door, when in the time set in delay circuit, when comparison signal does not change,
With the delay comparison signal of gate output terminal output enabling signal transmitter, delay comparison signal causes electricity after being input in triode
Road turns on, i.e., power supply is connected enabling signal transmitter transmission signal with signal projector.
When in the time set in delay circuit, when comparison signal changes, i.e., beverage being placed back in into placement
When in groove 2, the delay comparison signal of enabling signal transmitter is not exported with gate output terminal.
Claims (10)
1. one kind detection refrigerator, includes multiple pallets (1), it is characterized in that：It is provided with the pallet (1)：
Signal projector, a power supply is connected to, for launching the signal that beverage changes on pallet (1)；
Elastic pressure parts (5), located at the bottom of pallet (1), the top for pressing beverage applies a pressure to beverage；
Gravity sensitive device, for detecting the active force that beverage is acted on pallet (1) on pallet (1), when active force is less than one
During preset value, a comparison signal is exported；
Anti-error circuit (14), is coupled in gravity sensitive device, to be exported according to the situation of change of comparison signal in preset time
One control signal；
On-off circuit, the anti-error circuit (14) is coupled in, in response to control signal, to control between power supply and signal projector
Switching.
2. a kind of detection refrigerator according to claim 1, it is characterized in that, the pressure sensor device includes：
Pressure sensor (3), for detecting the active force that beverage is acted on pallet (1) on pallet (1), the detection letter of output one
Number；
Comparison circuit, the detection signal is received, for the amplitude of the detection signal and the size of preset value, export institute
State comparison signal.
3. a kind of detection refrigerator according to claim 2, it is characterized in that, the comparison circuit includes：
Preset value generative circuit, output one are used for the preset value compared with the detection signal；
Comparator, its input in the same direction receive the detection signal, and reverse input end receives the preset value, output end output institute
State comparison signal.
4. a kind of detection refrigerator according to claim 3, it is characterized in that：The preset value generative circuit includes first resistor
And potentiometer, one end connection supply voltage of first resistor, the other end are connected to the movable end of the potentiometer, the one of potentiometer
Fixing end connects with the reverse input end of comparator, another fixing end ground connection.
5. a kind of detection refrigerator according to claim 1, it is characterized in that, the anti-error circuit (14) includes：
Delay circuit, its input are coupled to the comparison circuit, in response to comparison signal and export a delay comparison signal；
With door, there is two inputs and an output end, the output end of one input and delay circuit couples, another defeated
Enter end and the output end of comparison circuit couples, its output end output control signal.
6. a kind of detection refrigerator according to claim 1, it is characterized in that：The on-off circuit includes second resistance and three poles
Pipe, one end of the second resistance are connected to the output end of comparator, and the other end is connected to the base stage of triode；The triode
Emitter stage be connected to signal projector, the colelctor electrode of triode is connected to starting switch.
7. a kind of detection refrigerator according to claim 1, it is characterized in that：It is provided with the pallet (1) with placing article
The standing groove (2) being engaged, the gravity sensor are located at the bottom of standing groove (2).
8. a kind of detection refrigerator according to claim 7, it is characterized in that：The gravity sensor is in circular arc and is recessed embedding
Located at the bottom of standing groove (2).
9. a kind of detection refrigerator according to claim 8, it is characterized in that：The pallet (1) is relative to the one of standing groove (2)
It is provided with the end face of end along standing groove (2) axial line and mounting groove (4) is set, the elastic pressure parts (5) includes briquetting (52) and bullet
Spring (51), in mounting groove (4), briquetting (52) sliding is sheathed on mounting groove (4) spring (51).
10. a kind of detection refrigerator according to claim 9, it is characterized in that：Be provided with the end face of the briquetting (52) with
The annular groove (521) being caught in for beverage cover top portion annular projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266086.1U CN206739738U (en) | 2017-03-17 | 2017-03-17 | One kind detection refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266086.1U CN206739738U (en) | 2017-03-17 | 2017-03-17 | One kind detection refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206739738U true CN206739738U (en) | 2017-12-12 |
Family
ID=60557851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720266086.1U Expired - Fee Related CN206739738U (en) | 2017-03-17 | 2017-03-17 | One kind detection refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206739738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021032482A1 (en) * | 2019-08-21 | 2021-02-25 | BSH Hausgeräte GmbH | Domestic refrigerator having a weighing device |
-
2017
- 2017-03-17 CN CN201720266086.1U patent/CN206739738U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021032482A1 (en) * | 2019-08-21 | 2021-02-25 | BSH Hausgeräte GmbH | Domestic refrigerator having a weighing device |
| CN114651159A (en) * | 2019-08-21 | 2022-06-21 | Bsh家用电器有限公司 | Domestic refrigeration device with weighing device |
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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: 20171212 Termination date: 20190317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |