CN108991888B - Multifunctional cup - Google Patents
Multifunctional cup Download PDFInfo
- Publication number
- CN108991888B CN108991888B CN201811169809.1A CN201811169809A CN108991888B CN 108991888 B CN108991888 B CN 108991888B CN 201811169809 A CN201811169809 A CN 201811169809A CN 108991888 B CN108991888 B CN 108991888B
- Authority
- CN
- China
- Prior art keywords
- resistor
- diode
- power supply
- operational amplifier
- cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 40
- 230000005669 field effect Effects 0.000 claims description 47
- 239000003990 capacitor Substances 0.000 claims description 37
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000005057 refrigeration Methods 0.000 claims description 21
- 238000005070 sampling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 6
- 241000190070 Sarracenia purpurea Species 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2288—Drinking vessels or saucers used for table service with means for keeping liquid cool or hot
Landscapes
- Dc-Dc Converters (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The multifunctional cup comprises a semiconductor temperature refrigerating sheet arranged in a cavity formed between an inner cylinder and an outer cylinder and a circuit board of a control system, wherein the control system comprises a temperature detector for detecting the temperature of an electric inner cylinder, a comparator and an electric switch, wherein in the temperature detector, a first resistor and a thermistor are connected in series and between a power supply and the ground, and an intermediate node of the first resistor and the thermistor is connected with the opposite end of the comparator; the second resistor and the third resistor are connected in series and between the power supply and the ground, and the middle node of the second resistor and the third resistor is connected to the non-inverting terminal of the comparator; the output end of the comparator is connected with the control end of the electric switch; the first end and the second end of the electric switch are respectively connected between the first end of the semiconductor refrigerating sheet and the ground, and are simultaneously connected with the first power supply end of the power supply circuit, and the second end of the semiconductor refrigerating sheet is connected with the second power supply end of the power supply circuit. The multifunctional cup provided by the invention can generate electric energy under the condition of a heat source, and can be used for refrigerating when substances in the cup need to be kept fresh.
Description
Technical Field
The invention relates to a multifunctional cup, in particular to a multifunctional cup capable of generating electric energy, and belongs to the technical field of articles for daily use.
Background
The prior art discloses a multi-functional intelligent drinking cup, it includes: the LED cup comprises an LED display screen, a cup body, a miniature storage battery, a USB charging interface, a boosting module, a plurality of thermoelectric generation sheets and a cup cover; the upper end of the cup body is open, and a cup handle is arranged on the side wall; the LED display screen is arranged on the outer wall of the cup body, the cup cover covers the open end of the cup body, the thermoelectric generation sheets are uniformly distributed on the wall surface of the cup body, the micro storage battery is arranged in the inner space of the cup handle of the cup body, and the boosting module is arranged at the bottom of the cup body; the boosting module is provided with a display screen and a USB interface; the temperature difference power generation piece is connected with the input end of the boosting module through a wire, the boosting module is connected with the miniature storage battery through a wire, heat of the water cup is utilized, the heat is converted into electric energy, the electric energy is stored in the miniature storage battery of the water cup, and when mobile equipment such as a mobile phone is powered off, the electric energy is provided for the mobile equipment, so that the electric energy is convenient for people to use.
The prior art also discloses a multifunctional water cup, wherein the outer side of the liner of the water cup is in thermal contact with one surface of the thermoelectric generation material, the other surface of the thermoelectric generation material is in thermal contact with a heat dissipation object, and the thermoelectric generation material generates electricity due to the temperature difference of the two surfaces. The output end of the thermoelectric generation material is connected with the rechargeable battery, the output socket and other circuits in parallel through a diode, and the power is supplied to portable small electric appliances such as mobile phones, MP4 and the like through a universal USB data line from the output socket.
However, when refrigeration is needed, the multifunctional water cup provided in the prior art can only provide a constant voltage for the thermoelectric generation material, or forcedly refrigerate or keep a refrigeration state, and the working state is single.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the multifunctional cup which can generate electric energy in the presence of a heat source, can quickly refrigerate when the substances in the cup need to be kept fresh and can be in a holding state.
In order to achieve the aim of the invention, the invention provides a multifunctional cup, which comprises a cup body and a cup cover, wherein the cup body comprises an inner cylinder and an outer cylinder, and is characterized by further comprising a semiconductor temperature cooling sheet arranged in a cavity formed between the inner cylinder and the outer cylinder and a circuit board of a control system, wherein the control system comprises a temperature detector for detecting the temperature of an electric inner cylinder, a comparator and an electric switch, the temperature detector comprises a first resistor, a second resistor, a third resistor and a thermistor, the first resistor and the thermistor are connected in series and are connected between a power supply and the ground, and an intermediate node of the first resistor and the thermistor is connected with the opposite end of the comparator; the second resistor and the third resistor are connected in series and between the power supply and the ground, and the middle node of the second resistor and the third resistor is connected to the non-inverting terminal of the comparator; the output end of the comparator is connected with the control end of the electric switch; the first end and the second end of the electric switch are respectively connected between the first end of the semiconductor refrigerating sheet and the ground, the first end is simultaneously connected with the first power supply end of the power supply circuit, and the second end of the semiconductor refrigerating sheet is connected with the second power supply end of the power supply circuit.
Preferably, the comparator comprises an operational amplifier, a fourth resistor and a first diode, wherein the output end of the operational amplifier is connected with the cathode of the first diode, the anode of the first diode is connected with the first end of the fourth resistor, and the second end of the first resistor is connected with the inverting end of the operational amplifier.
Preferably, the power supply circuit comprises a transformer, a second diode, a third diode, a fourth diode, a fifth diode, a first capacitor and a second capacitor, wherein a primary coil of the transformer is connected with a power supply, a secondary coil of the transformer is provided with five taps, the first tap is connected with a cathode of the second diode, the second tap is connected with a cathode of the third diode, the fourth tap is connected with a cathode of the fourth diode, the fifth tap is connected with a cathode of the fifth diode, and an anode of the third diode and an anode of the fourth diode are connected with each other and connected with a first end of the semiconductor refrigerating sheet; the positive electrode of the second diode is connected with the positive electrode of the fifth diode and is connected with the ground, the first end of the first capacitor is connected with the positive electrode of the second diode, the second end of the first capacitor is connected with a third tap, and the third tap is connected with the second end of the semiconductor refrigerating sheet; the first end of the second capacitor is connected to the third tap, and the second end is connected to ground.
Preferably, the multi-functional cup further comprises an electrical energy conversion circuit, the electrical energy conversion circuit further comprising: the fifth resistor R8, the sixth resistor R9 and the pulse width modulation circuit are connected in series, the fifth resistor R8 and the sixth resistor R9 are connected to two ends of the semiconductor refrigeration sheet, the middle node is used for taking out the sampling voltage of the semiconductor refrigeration sheet 8 and is connected to the input end of the pulse width modulation circuit, the pulse width modulation circuit comprises a second operational amplifier P3 and a third operational amplifier P4, the output end of the second operational amplifier P3 is connected to the inverting end of the second operational amplifier P3, the non-inverting input end of the second operational amplifier P3 is connected to the middle node of the fifth resistor R8 and the sixth resistor R9 which are connected in series, the inverting end of the third operational amplifier P4 is connected to the output end of the second operational amplifier P3, the non-inverting end of the third operational amplifier P4 is connected to the triangular wave generator, and the output end of the third operational amplifier P4 is connected to the grid electrode of the field effect transistor T1.
Preferably, the electric energy conversion circuit further comprises a boost circuit, the boost circuit comprises a field effect tube T2, a second diode D2 and a coil L, wherein a grid electrode of the field effect tube T2 is connected to an output end of the third operational amplifier P4, a drain electrode of the field effect tube T2 is connected to a positive electrode of the second diode D and a second end of the inductor L, a source electrode of the field effect tube T2 is connected to the ground, a first end of the inductor L is connected to an output end of a positive electrode of the semiconductor refrigeration sheet, and a negative electrode of the second diode D2 is externally powered.
Preferably, the electric energy conversion circuit further comprises a battery, the negative electrode of the second diode D2 is connected to a first end of the battery, and the second end of the battery is connected to the ground.
Preferably, the triangle wave frequency source comprises a third capacitor, a switching device for charging and charging the third capacitor, and a switch controller for controlling the switching device to operate to charge and charge the third capacitor.
Compared with the prior art, the multifunctional cup provided by the invention can generate electric energy under the condition that a heat source exists, can quickly refrigerate when the substances in the cup are required to be kept fresh, and can be in a holding state.
Drawings
FIG. 1 is a schematic cross-sectional view of a multi-functional cup provided by the present invention;
FIG. 2 is a block diagram of the control system of the multi-functional cup provided by the present invention;
FIG. 3 is a power supply circuit of the temperature detection circuit and the refrigerating sheet for the multi-functional cup refrigeration provided by the invention;
fig. 4 is a circuit diagram of the power conversion circuit of the multi-functional cup provided by the invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the terms are used herein to denote any order of magnitude, order, or order, and are used to distinguish one element from another.
Fig. 1 is a schematic cross-sectional view of the multifunctional cup provided by the invention, and as shown in fig. 1, the multifunctional cup provided by the invention comprises a cup body and a cup cover 11, wherein the cup body comprises an inner cylinder 7 and an outer cylinder 8, and further comprises a semiconductor refrigerating sheet 6 arranged in a cavity 9 formed between the inner cylinder and the outer cylinder, a circuit board of a control system, a storage battery and the like. The semiconductor refrigerating sheet comprises a refrigerating end face and a heating end face, one end face is in heat conduction contact with the multifunctional cup inner cylinder 7, and the other end face is in heat conduction contact with the multifunctional cup outer cylinder 8. The semiconductor refrigerating sheets are adhered to the outer wall of the inner cylinder 7 and the inner wall of the outer cylinder 8 through heat-conducting silica gel respectively. The cavity formed between the inner cylinder 7 and the outer cylinder 8 is in a vacuum state. Preferably, the cup is provided with a sealing and insulating ring 10. In the invention, the cup cover 11 and the cup body are preferably connected through threads.
Fig. 2 is a block diagram of a control system of the multifunctional cup provided by the invention, and as shown in fig. 2, the control circuit of the multifunctional cup at least comprises an electric energy conversion circuit 3 and a USB interface 4, a semiconductor refrigerating sheet 6 is electrically connected with the electric energy conversion circuit 3, the electric energy conversion circuit 3 is connected with the USB interface 4, and a socket for installing the USB interface 4 is arranged on a cylinder of the cup body, so that electric equipment can be conveniently connected. The electric energy conversion circuit 3 is used for performing voltage conversion on electric energy generated by the semiconductor refrigerating sheet 6 and charging the super capacitor or the storage battery E, and then providing electric energy outwards by using the super capacitor or the storage battery E through the USB interface 4 and/or driving the light-emitting electric light through the driving circuit 5.
According to an embodiment of the invention, the multifunctional cup further comprises a power supply circuit 2 for supplying power to the semiconductor refrigeration piece 6 and a temperature detection circuit 1 for detecting the temperature of the inner barrel, wherein the temperature detection circuit supplies a control signal to the power supply circuit 2 according to the detected temperature so as to enable the semiconductor refrigeration piece 6 to refrigerate, and therefore food or beverage in the inner barrel is in a forced cooling state or a holding state.
According to an embodiment of the present invention, the multifunctional cup further includes an input/output switch K1, the input/output switch K1 includes a movable plate and two fixed ends, the fixed ends are respectively connected to the power supply circuit 2 and the power conversion module 3, the USB interface is respectively connected to the power supply circuit 2 and the power conversion circuit 3 through the switch K1, when the semiconductor refrigeration piece is in a power generation state, the USB interface is electrically connected to the power conversion circuit 3 through the switch K1, and when the semiconductor refrigeration piece is in a refrigeration state, the USB interface is electrically connected to the power supply circuit 2 through the switch K1.
According to an embodiment of the present invention, the control system further includes a driving circuit 5 and a light emitting electric device, wherein the driving circuit 5 is electrically connected to the electric energy conversion circuit 3, and the electric energy conversion circuit provides electric energy to the light emitting electric device through the driving circuit 5 so as to make the light emitting electric device emit light. Preferably, the light-emitting electricity at least forms two paths with different power, the control system further at least comprises a power switch K3, and the driving circuit 5 is respectively connected to the two paths of light-emitting electricity with different power through the power switch K3. Preferably, the lighting electrical comprises LEDs, and the two paths of lighting electrical with different powers consist of different numbers of LEDs. Therefore, the power change-over switch K3 can also realize the selection of illumination modes, the illumination modes at least comprise weak light and strong light, and each light-emitting electric branch is also connected with a resistor in series for current limiting.
According to one embodiment of the present invention, the control system further comprises at least an illumination selection switch K2, the electric energy conversion circuit 3 is respectively connected to the driving circuit 5 and the empty terminal through the illumination selection switch K2, and when the electric energy conversion circuit 3 is electrically connected to the driving circuit 5 through the illumination selection switch K2, the multifunctional cup can illuminate.
The temperature detection circuit and the semiconductor refrigeration sheet power supply circuit are described in detail below with reference to fig. 3.
Fig. 3 is a power supply circuit of a temperature detection circuit and a refrigerating sheet in multi-functional cup refrigeration, as shown in fig. 3, the temperature detection circuit comprises a temperature detector and a comparator, wherein the temperature detector is used for detecting the temperature of an inner barrel 7, the temperature detector comprises a first resistor R1, a second resistor R2, a third resistor R3 and a thermistor RT, the first resistor R1 and the thermistor RT are connected in series and are connected between a power supply and the ground, a middle node of the first resistor R1 and the thermistor RT are connected to an inverting end of the comparator, and the power supply is provided by a third tap of a transformer B1 through a current-limiting resistor R7; the second resistor R2 and the third resistor R3 are connected in series and connected between a power supply and the ground, an intermediate node of the second resistor R2 and the third resistor R3 is connected to the same-phase end of the comparator, and the power supply is provided by a third tap of the transformer B1 through a current-limiting resistor R7; the output end of the comparator is connected to the control end of the electric switch T1, preferably the output end of the comparator is connected to the control end of the electric switch T1 through a current limiting resistor R6. The electrical switch T1 is preferably a field effect transistor. Preferably, the comparator comprises an operational amplifier IC1, a fourth resistor R4 and a diode D1, wherein the output end of the operational amplifier IC is connected to the cathode of the diode D1, the anode of the diode D1 is connected to the first end of the resistor R4, and the second end of the resistor R4 is connected to the ground.
The driving circuit of the semiconductor refrigerating sheet comprises an electric switch T1 and a power supply circuit, wherein a first end and a second end of the electric switch are respectively connected between the first end of the semiconductor refrigerating sheet 6 and the ground, the first end is simultaneously connected with a first voltage output end of the power supply circuit, and a second end of the semiconductor refrigerating sheet 6 is connected with a second voltage output end of the power supply circuit. In the present invention, the electronically controlled switch T1 is preferably a field effect transistor (MOS). The power supply circuit comprises a DC/AC converter, a transformer B1, a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C1 and a capacitor C2, wherein the DC/AC converter is used for converting direct current voltage input from a USB interface or direct current voltage of a storage battery into alternating current voltage, and a primary coil of the transformer is connected to an output end of the DC/AC converter; the secondary coil is provided with five taps, the first tap is connected with the cathode of the diode D2, the second tap is connected with the cathode of the diode D3, the fourth tap is connected with the cathode of the diode D4, the fifth tap is connected with the cathode of the diode D5, and the anode of the diode D3 is connected with the anode of the diode D4 and is connected with the first end of the semiconductor refrigerating sheet 6; the positive electrode of the diode D2 and the positive electrode of the diode D5 are connected with the ground, the first end of the capacitor C1 is connected with the positive electrode of the diode D2, and the second end is connected with the third tap; the first end of the capacitor C2 is connected to the third tap, and the second end is connected to the anode of the diode D5. The third tap of the transformer B1 is connected to the second end of the semiconductor cooling fin 6.
Preferably, the power supply circuit 2 further includes a zener diode VZ2 and a resistor R5, where an anode of the zener diode VZ2 is connected to the first end of the semiconductor refrigeration piece 6, a cathode of the zener diode VZ2 is connected to the first end of the resistor R5, and a second end of the resistor R5 is connected to the second end of the semiconductor refrigeration piece 6. A zener diode VZ1 is preferably also connected between the positive and negative poles of the power supply which is supplied with electrical energy via the comparator.
Fig. 4 is a diagram of an electric power conversion circuit for providing a multi-function cup according to the present invention, and as shown in fig. 4, the electric power conversion circuit 3 includes: the resistor R8, the resistor R9 and the pulse width modulation circuit are connected in series, the resistor R8 and the resistor R9 are connected to two ends of the semiconductor refrigeration piece 6, the middle node is used for taking out the sampling voltage of the semiconductor refrigeration piece 6 and is connected to the input end of the pulse width modulation circuit, the pulse width modulation circuit comprises an operational amplifier P3 and an operational amplifier P4, the output end of the operational amplifier P3 is connected to the inverting end of the operational amplifier P3, and the non-inverting input end of the operational amplifier P3 is connected to the middle node where the resistor R8 and the resistor R9 are connected in series; the inverting terminal of the operational amplifier P4 is connected to the output terminal of the operational amplifier P3, the non-inverting terminal is connected to the triangle wave frequency source, and the output terminal is connected to the grid electrode of the field effect transistor T2.
Preferably, the electric energy conversion circuit 3 further includes a boost circuit, the boost circuit includes a field effect transistor T2, a diode D2 and a coil L, wherein a gate of the field effect transistor T2 is connected to an output end of the operational amplifier P4, a drain is connected to an anode of the diode D2 and a second end of the inductor L, a source of the field effect transistor T2 is connected to ground, a first end of the inductor L is connected to an anode output end of the semiconductor refrigeration sheet 6, and a cathode of the diode D2 is powered outwards.
Preferably, the electric energy conversion circuit further comprises a rechargeable battery E, the negative electrode of the diode D2 is connected to the positive terminal of the rechargeable battery E, and the negative terminal of the rechargeable battery E is connected to the ground. According to the modified embodiment of the invention, the storage battery can be replaced by the super capacitor C2, the electric energy conversion circuit 3 stores the voltage generated by the semiconductor refrigerating sheet 6 due to the temperature difference in the super capacitor or the storage battery, and the super capacitor or the storage battery is used for supplying power to the outside.
In the invention, the triangular wave frequency source comprises a capacitor, a switching device for charging and discharging the capacitor and a switching controller for controlling actions to charge and charge the capacitor, wherein the capacitor is C1, the switching device comprises a P-MOS type field effect transistor T5 and an N-MOS type field effect transistor T6, a source electrode of the P-MOS type field effect transistor T5 is connected with a source electrode of the N-MOS type field effect transistor T6 and is connected with a first end of the capacitor C1, a second end of the capacitor C1 is connected with the ground, and a source electrode of the P-MOS type field effect transistor T5 is connected with a source electrode of the N-MOS type field effect transistor T6 to provide triangular waves for an in-phase end of an operational amplifier P4. The grid electrode of the P-MOS type field effect tube T5 is connected with the grid electrode of the N-MOS type field effect tube T6, the drain electrode of the P-MOS type field effect tube T5 is connected with the source electrode of the P-MOS type field effect tube T4, and the drain electrode of the P-MOS type field effect tube T4 is connected with the power supply Vd; the P-MOS field effect transistor T4 is a field effect transistor forming a current mirror. The drain electrode of the N-MOS type field effect transistor T6 is connected with the source electrode of the N-MOS type field effect transistor T7, and the drain electrode of the N-MOS type field effect transistor T7 is connected with the ground; the N-MOS field effect transistor T7 is a field effect transistor forming a current mirror.
In the invention, the current mirror circuit comprises a constant current source S1, an N-MOS type field effect transistor T8, an N-MOS type field effect transistor T9 and a P-MOS type field effect transistor T10 to provide constant current for each switching device, wherein one end of the constant current source S1 is connected to a power supply Vd, the other end is connected to a drain electrode and a grid electrode of the N-MOS type field effect transistor T8, and the source electrode of the N-MOS type field effect transistor T8 is grounded. The grid electrode of the field effect transistor T8 is connected with the grid electrode of the field effect transistor T9; the source electrode of the field effect tube T9 is grounded, the drain electrode is connected to the grid electrode and the drain electrode of the field effect tube T10, and the grid electrode of the field effect tube T9 is connected to the grid electrode of the field effect tube T7. The source electrode of the field effect transistor T10 is connected with the power supply Vd, and the grid electrode is connected with the grid electrode of the field effect transistor T4.
The switch controller in the present invention includes, for example: the comparator P1, the comparator P2 and the RS latch 12, wherein a first end of the capacitor C1 is connected to an inverting end of the comparator P1, an in-phase end of the capacitor P1 is connected to a reference voltage V+ and an output end of the capacitor P1 is connected to an S end of the RS latch 12, the first end of the capacitor C1 is also connected to an in-phase end of the comparator P2, an inverting end of the capacitor P2 is connected to a reference voltage V-, an output end of the capacitor P2 is connected to an R end of the RS latch 12, and a Q end of the RS latch 12 is connected to a node where gates of the field effect transistors T5 and T6 are connected.
The working principle of the invention is described in detail above with reference to the accompanying drawings. It should be apparent to those of ordinary skill in the art that the description is merely illustrative of the claims. The scope of the invention is not limited by the description. Any changes or substitutions that would be readily apparent to one skilled in the art within the scope of the present disclosure are intended to be encompassed within the scope of the present disclosure. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. The multifunctional cup comprises a cup body and a cup cover, wherein the cup body comprises an inner cylinder and an outer cylinder, and is characterized by further comprising a semiconductor refrigerating sheet arranged in a cavity formed between the inner cylinder and the outer cylinder and a circuit board of a control system, wherein the control system comprises a temperature detector for detecting the temperature of the inner cylinder, a comparator and an electric switch, the temperature detector comprises a first resistor, a second resistor, a third resistor and a thermistor, the first resistor and the thermistor are connected in series and are connected between a power supply and the ground, and an intermediate node is connected to the opposite end of the comparator; the second resistor and the third resistor are connected in series and between the power supply and the ground, and the middle node of the second resistor and the third resistor is connected to the non-inverting terminal of the comparator; the output end of the comparator is connected with the control end of the electric switch through a current limiting resistor; the first end and the second end of the electric switch are respectively connected between the first end of the semiconductor refrigerating sheet and the ground, the first end of the electric switch is simultaneously connected with the first power supply end of the power supply circuit, and the second end of the semiconductor refrigerating sheet is connected with the second power supply end of the power supply circuit;
the power supply circuit comprises a transformer, a second diode, a third diode, a fourth diode, a fifth diode, a first capacitor and a second capacitor, wherein a primary coil of the transformer is connected with a power supply, a secondary coil of the transformer is provided with five taps, the first tap is connected with the cathode of the second diode, the second tap is connected with the cathode of the third diode, the fourth tap is connected with the cathode of the fourth diode, and the fifth tap is connected with the cathode of the fifth diode; the positive electrode of the third diode is connected with the positive electrode of the fourth diode and is connected with the first end of the semiconductor refrigerating sheet; the anode of the second diode is connected with the anode of the fifth diode and is connected with the ground; the first end of the first capacitor is connected with the anode of the third diode, and the second end of the first capacitor is connected with the third tap; the third tap is connected to the second end of the semiconductor refrigerating sheet; the first end of the second capacitor is connected to the third tap, and the second end is connected to ground.
2. The multi-purpose cup of claim 1, wherein the comparator comprises a first operational amplifier, a fourth resistor, and a first diode, the output terminal of the first operational amplifier is connected to the negative electrode of the first diode, the positive electrode of the first diode is connected to the first terminal of the fourth resistor, and the second terminal of the fourth resistor is connected to the inverting terminal of the first operational amplifier.
3. The multi-function cup of claim 1, further comprising an electrical energy conversion circuit, the electrical energy conversion circuit comprising: the fifth resistor (R8), the sixth resistor (R9) and the pulse width modulation circuit are connected in series and then connected to two ends of the semiconductor refrigeration piece, an intermediate node is used for taking out the sampling voltage of the semiconductor refrigeration piece (8) and is connected to the input end of the pulse width modulation circuit, the pulse width modulation circuit comprises a second operational amplifier (P3) and a third operational amplifier (P4), the output end of the second operational amplifier (P3) is connected to the inverting end of the second operational amplifier, and the positive end of the second operational amplifier is connected to the intermediate node of the fifth resistor (R8) and the sixth resistor (R9) which are connected in series; the inverting terminal of the third operational amplifier (P4) is connected with the output terminal of the second operational amplifier (P3), the non-inverting terminal is connected with the triangular wave generator, and the output terminal is connected with the grid electrode of the field effect transistor (T2).
4. A multi-functional cup as claimed in claim 3, wherein the power conversion circuit further comprises a boost circuit comprising a field effect transistor (T2), a sixth diode (D6) and an inductor (L), wherein the gate of the field effect transistor (T2) is connected to the output of the third operational amplifier (P4), the drain is connected to the anode of the sixth diode (D6) and the second end of the inductor (L), the source of the field effect transistor (T2) is connected to ground, the first end of the inductor (L) is connected to the anode output of the semiconductor refrigeration sheet, and the cathode of the sixth diode (D6) is powered externally.
5. The utility cup of claim 4, wherein the power conversion circuit further comprises a battery, the negative electrode of the sixth diode (D6) is connected to a first terminal of the battery, and a second terminal of the battery is connected to ground.
6. The multi-purpose cup of claim 5, wherein the triangular wave generator includes a third capacitor, a switching device for charging and discharging the third capacitor, and a switching controller for controlling the switching device to operate to charge and discharge the third capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169809.1A CN108991888B (en) | 2018-10-08 | 2018-10-08 | Multifunctional cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169809.1A CN108991888B (en) | 2018-10-08 | 2018-10-08 | Multifunctional cup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108991888A CN108991888A (en) | 2018-12-14 |
| CN108991888B true CN108991888B (en) | 2024-03-08 |
Family
ID=64589878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811169809.1A Active CN108991888B (en) | 2018-10-08 | 2018-10-08 | Multifunctional cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108991888B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656433U (en) * | 2010-02-05 | 2010-11-24 | 国基电子（上海）有限公司 | Overheat protection circuit and electronic equipment using overheat protection circuit |
| CN102119824A (en) * | 2011-02-22 | 2011-07-13 | 赵杰 | Multifunctional cup |
| KR20120006993U (en) * | 2011-04-01 | 2012-10-10 | 노바펙스모바일(주) | cup having heating and cooling function |
| CN104223885A (en) * | 2013-05-30 | 2014-12-24 | 名硕电脑(苏州)有限公司 | Temperature controllable cup |
| CN104235803A (en) * | 2013-06-14 | 2014-12-24 | 海洋王（东莞）照明科技有限公司 | Lamp with active heat dissipating device |
| CN204102748U (en) * | 2014-10-13 | 2015-01-14 | 温州莱曼电器有限公司 | A kind of isolating switch control cubicle with warning |
| JP3197202U (en) * | 2015-01-15 | 2015-04-30 | 蔡 孝昌Ｈｓｉａｏ Ｃｈａｎｇ Ｔｓａｉ | LED lighting device control circuit |
| CN204993100U (en) * | 2015-10-11 | 2016-01-20 | 聂蓉 | Novel adjustable D.C. regulated power supply |
| WO2017128662A1 (en) * | 2016-01-29 | 2017-08-03 | 深圳市诚丰浩电子有限公司 | Led illumination-emergency integrated lamp and control system |
| CN209219833U (en) * | 2018-10-08 | 2019-08-09 | 聂小涵 | A kind of multifunction cup |
-
2018
- 2018-10-08 CN CN201811169809.1A patent/CN108991888B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656433U (en) * | 2010-02-05 | 2010-11-24 | 国基电子（上海）有限公司 | Overheat protection circuit and electronic equipment using overheat protection circuit |
| CN102119824A (en) * | 2011-02-22 | 2011-07-13 | 赵杰 | Multifunctional cup |
| KR20120006993U (en) * | 2011-04-01 | 2012-10-10 | 노바펙스모바일(주) | cup having heating and cooling function |
| CN104223885A (en) * | 2013-05-30 | 2014-12-24 | 名硕电脑(苏州)有限公司 | Temperature controllable cup |
| CN104235803A (en) * | 2013-06-14 | 2014-12-24 | 海洋王（东莞）照明科技有限公司 | Lamp with active heat dissipating device |
| CN204102748U (en) * | 2014-10-13 | 2015-01-14 | 温州莱曼电器有限公司 | A kind of isolating switch control cubicle with warning |
| JP3197202U (en) * | 2015-01-15 | 2015-04-30 | 蔡 孝昌Ｈｓｉａｏ Ｃｈａｎｇ Ｔｓａｉ | LED lighting device control circuit |
| CN204993100U (en) * | 2015-10-11 | 2016-01-20 | 聂蓉 | Novel adjustable D.C. regulated power supply |
| WO2017128662A1 (en) * | 2016-01-29 | 2017-08-03 | 深圳市诚丰浩电子有限公司 | Led illumination-emergency integrated lamp and control system |
| CN209219833U (en) * | 2018-10-08 | 2019-08-09 | 聂小涵 | A kind of multifunction cup |
Non-Patent Citations (1)
| Title |
|---|
| 一种新型半导体制冷水杯的设计与性能研究;王晗;邓昱铭;李范;吴旺青;;电子技术(09);31-36 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108991888A (en) | 2018-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7592781B2 (en) | Charger control circuit with automatic polarity selection | |
| CN103269537B (en) | Multi-circuit current-limiting power supplying circuit, controlling method thereof and current-limiting power supplying method thereof | |
| CN202042680U (en) | Power supply socket equipped with wireless induction charging module | |
| CN105979661B (en) | Can delay lighting circuit and device | |
| WO2016127841A1 (en) | Charging protective circuit | |
| CN104813742B (en) | Supply voltage management | |
| CN102570128A (en) | Power socket with wireless induction charging module | |
| RU2010129693A (en) | AC / DC CONVERTER WITH ELECTRICAL DISCONNECTION | |
| TW201411986A (en) | Wireless battery charger and wireless battery charging system | |
| CN104633578A (en) | Wireless charged LED lamp | |
| CN108991888B (en) | Multifunctional cup | |
| TW201526466A (en) | Portable green power device | |
| CN116317066B (en) | Photovoltaic energy storage device and charge and discharge control method | |
| CN209219833U (en) | A kind of multifunction cup | |
| CN110139427B (en) | Device capable of closing emergency function and lamp | |
| US20130214721A1 (en) | Portable electronic device comprising solar powered function | |
| CN214105308U (en) | Control circuit of UV lamp and UV lamp | |
| CN210092946U (en) | Charging circuit | |
| US10310535B2 (en) | Portable green power device | |
| CN210725410U (en) | LED dimmer and LED dimming system | |
| CN104092263B (en) | Multifunctional charger circuit | |
| CN209626516U (en) | Portable multi-function charging socket | |
| US9966792B2 (en) | Uninterruptible power supply for SMPS loads | |
| CN204945859U (en) | Household electrical appliance | |
| CN206004637U (en) | IGBT drive circuit, half-bridge electromagnetic heating circuit and induction cooker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Nie Xiaohan Inventor after: Zhu Yuelang Inventor after: Qian Ziyu Inventor after: Wu Mengyao Inventor before: Nie Xiaohan Inventor before: Zhu Yuelang Inventor before: Qian Chunlei Inventor before: Xie Wei Inventor before: Xu Kui Inventor before: Qian Ziyu Inventor before: Wu Mengyao |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |