CN220399657U - Waterless detection circuit, waterway system of cooking equipment and cooking equipment - Google Patents
Waterless detection circuit, waterway system of cooking equipment and cooking equipment Download PDFInfo
- Publication number
- CN220399657U CN220399657U CN202321836387.5U CN202321836387U CN220399657U CN 220399657 U CN220399657 U CN 220399657U CN 202321836387 U CN202321836387 U CN 202321836387U CN 220399657 U CN220399657 U CN 220399657U
- Authority
- CN
- China
- Prior art keywords
- water
- detection
- circuit
- waterway system
- water pump
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 238000010411 cooking Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 132
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Cookers (AREA)
Abstract
The utility model provides a water-free detection circuit, a waterway system of cooking equipment and the cooking equipment, wherein the water-free detection circuit comprises: two detection electrodes and an anhydrous detection unit circuit; the detection electrodes are arranged in the water pipe to be detected, and the two detection electrodes are spaced apart from each other by a preset distance; the anhydrous detection unit circuit is respectively and electrically connected with each detection electrode; the anhydrous detection unit circuit is used for detecting the voltage difference between the two detection electrodes, comparing the voltage difference with a reference voltage difference when no water exists in the water pipe to be detected, and outputting a comparison result. According to the anhydrous detection circuit, when water flows through the water pipe to be detected, the voltage difference between the two detection electrodes changes, and the comparison result of the voltage difference and the reference voltage difference when no water exists in the water pipe to be detected can judge whether water exists or not, so that whether the waterway system of the cooking equipment works normally or not is detected, and the production cost of the waterway system is reduced.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a water-free detection circuit, a waterway system of cooking equipment and the cooking equipment.
Background
The current waterway system of cooking equipment (such as a steam oven and a steam box) usually adopts a solution of a direct current water pump and an electromagnetic valve, because the alternating current water pump can not detect whether water flows in a water pipe or not although the electromagnetic valve is not needed for stopping, and the system can not effectively monitor whether the waterway works normally or not if the water flows in the water pipe or not. However, the waterway system of the direct current water pump plus the electromagnetic valve increases the production cost.
Disclosure of Invention
The utility model aims to overcome the defect that a waterway system of a direct-current water pump and an electromagnetic valve in cooking equipment in the prior art improves production cost, and provides a water-free detection circuit, the waterway system of the cooking equipment and the cooking equipment.
The utility model solves the technical problems by the following technical scheme:
the present utility model provides a water-free detection circuit including: two detection electrodes and an anhydrous detection unit circuit;
the detection electrodes are arranged in the water pipe to be detected, and the two detection electrodes are spaced apart from each other by a preset distance;
the anhydrous detection unit circuit is respectively and electrically connected with each detection electrode;
the anhydrous detection unit circuit is used for detecting the voltage difference between the two detection electrodes, comparing the voltage difference with a reference voltage difference when no water exists in the water pipe to be detected, and outputting a comparison result.
Preferably, the detection electrode is a ring electrode.
The present utility model also provides a waterway system of a cooking apparatus, the waterway system including: an alternating current water pump, a water pipe to be tested and the anhydrous detection circuit;
the water inlet end of the alternating current water pump is communicated with the first end of the water pipe to be tested.
Preferably, the waterway system further comprises: a water pump control circuit;
the water pump control circuit is respectively and electrically connected with the anhydrous detection circuit and the alternating current water pump;
the water pump control circuit is used for receiving the comparison result output by the anhydrous detection circuit and sending a water pump control instruction to the alternating current water pump according to the comparison result.
Preferably, the second end of the water pipe to be measured is communicated with the water inlet end of the water tank in the cooking equipment.
Preferably, the water outlet end of the alternating current water pump is communicated with the cavity of the cooking equipment.
Preferably, the alternating current water pump is an alternating current plunger pump.
Preferably, the water pump control circuit and the water detection unit circuit with or without water in the water detection circuit are integrated on the same circuit board.
The utility model also provides a waterway system of the cooking equipment.
The utility model has the positive progress effects that: the voltage difference is detected by the two detection electrodes which are arranged in the water pipe to be detected and are separated from each other by the preset distance, the voltage difference is compared with the reference voltage difference when no water exists in the water pipe to be detected, the comparison result is obtained, the voltage difference between the detection of the two detection electrodes changes when water flows in the water pipe to be detected, and the comparison result can be used for judging whether water exists in the water pipe to be detected or not, so that whether the waterway system of the cooking equipment works normally or not is detected, and the production cost of the waterway system is reduced.
Drawings
Fig. 1 is a schematic diagram of a water path system of a water-free detection circuit and a cooking apparatus according to an exemplary embodiment of the present utility model.
Fig. 2 is a schematic diagram of a partial structure of a water-free detection circuit according to an exemplary embodiment of the present utility model.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.
The present embodiment provides a water-free detection circuit, referring to fig. 1 and 2, the water-free detection circuit includes: two detection electrodes 11 and an anhydrous detection unit circuit 12.
The detection electrodes 11 are disposed in the water pipe 22 to be detected, and the two detection electrodes 11 are spaced apart from each other by a predetermined distance.
An anhydrous detection unit circuit 12 is electrically connected to each detection electrode 11.
The anhydrous detection unit circuit 12 is used for detecting the voltage difference between the two detection electrodes 11, comparing the voltage difference with the reference voltage difference when no water exists in the water pipe 22 to be detected, and outputting the comparison result.
Wherein each detection electrode 11 is electrically connected to the anhydrous detection unit circuit 12 through an electrode connection line a.
The comparison result can be measured by the difference between the voltage difference and the reference voltage difference, and if the difference is within the preset range, the comparison result indicates that no water exists in the water pipe 22 to be measured; otherwise, the comparison result indicates that water exists in the water pipe 22 to be measured.
According to the embodiment, the voltage difference is detected through the two detection electrodes which are arranged in the water pipe to be detected and are separated from each other by the preset distance, the voltage difference is compared with the reference voltage difference when no water exists in the water pipe to be detected, the comparison result is obtained, when water flows through the water pipe to be detected, the voltage difference between the detection electrodes changes, and the water or no water exists in the water pipe to be detected can be judged according to the comparison result, so that whether the waterway system of the cooking equipment works normally or not can be detected, and the production cost of the waterway system is reduced.
In one embodiment, referring to fig. 2, the detection electrode 11 is a ring electrode. Preferably, the annular electrode is attached to the inner wall of the water pipe 22 to be measured.
The present embodiment also provides a waterway system of a cooking apparatus, referring to fig. 1, the waterway system includes: an ac water pump 21, a water pipe 22 to be measured, and a water-free detection circuit in the above embodiment.
The water inlet end of the alternating current water pump 21 is communicated with the first end of the water pipe 22 to be tested.
It will be appreciated that when connecting devices in a waterway, it may be necessary to connect between devices such as a water pipe and a connector.
According to the embodiment, the voltage difference is detected through the two detection electrodes which are arranged in the water pipe to be detected and are separated from each other by the preset distance, the voltage difference is compared with the reference voltage difference when no water exists in the water pipe to be detected, the comparison result is obtained, when water flows through the water pipe to be detected, the voltage difference between the detection electrodes changes, and the water or no water exists in the water pipe to be detected can be judged according to the comparison result, so that whether the waterway system of the cooking equipment works normally or not can be detected, and the production cost of the waterway system is reduced.
In one embodiment, the waterway system further comprises: a water pump control circuit 23.
The water pump control circuit 23 is electrically connected to the water-free detection circuit and the ac water pump 21, respectively.
The water pump control circuit 23 is configured to receive the comparison result output from the anhydrous detection circuit, and send a water pump control instruction to the ac water pump 21 according to the comparison result.
The water pump control circuit 23 is electrically connected to the ac water pump 21 through a water pump connection line B.
The water pump control circuit 23 is electrically connected to the anhydrous detection circuit, and the water pump control circuit 23 may be electrically connected to the anhydrous detection unit circuit 12 in the anhydrous detection circuit, or the functions of the water pump control circuit 23 and the anhydrous detection unit circuit 12 may be realized by the same controller (such as a controller module).
In one embodiment, the second end of the water tube 22 to be measured communicates with the water inlet end of the water tank D in the cooking apparatus C.
The ac water pump 21 pumps water out of the water tank D in the cooking apparatus C.
In one embodiment, the water outlet end of the ac water pump 21 communicates with the cavity of the cooking apparatus C.
Wherein the ac water pump 21 pumps water into the cavity of the cooking apparatus C.
In one embodiment, the ac water pump 21 is an ac plunger pump.
In one embodiment, the water pump control circuit 23 and the presence or absence of water detection unit circuit 12 in the water-free detection circuit are integrated on the same circuit board.
The embodiment also provides cooking equipment, and the cooking equipment comprises the waterway system of the cooking equipment.
According to the embodiment, the voltage difference is detected through the two detection electrodes which are arranged in the water pipe to be detected and are separated from each other by the preset distance, the voltage difference is compared with the reference voltage difference when no water exists in the water pipe to be detected, the comparison result is obtained, when water flows through the water pipe to be detected, the voltage difference between the detection electrodes changes, and the water or no water exists in the water pipe to be detected can be judged according to the comparison result, so that whether the waterway system of the cooking equipment works normally or not can be detected, and the production cost of the waterway system is reduced.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (9)
1. A water-free detection circuit, the water-free detection circuit comprising: two detection electrodes and an anhydrous detection unit circuit;
the detection electrodes are arranged in the water pipe to be detected, and the two detection electrodes are spaced apart from each other by a preset distance;
the anhydrous detection unit circuit is respectively and electrically connected with each detection electrode;
the anhydrous detection unit circuit is used for detecting the voltage difference between the two detection electrodes, comparing the voltage difference with a reference voltage difference when no water exists in the water pipe to be detected, and outputting a comparison result.
2. The anhydrous detection circuit of claim 1 wherein the detection electrode is a ring electrode.
3. A waterway system of a cooking device, the waterway system comprising: an alternating current water pump, a water pipe to be tested and the anhydrous detection circuit as claimed in any one of claims 1-2;
the water inlet end of the alternating current water pump is communicated with the first end of the water pipe to be tested.
4. A waterway system of a cooking device of claim 3, the waterway system further comprising: a water pump control circuit;
the water pump control circuit is respectively and electrically connected with the anhydrous detection circuit and the alternating current water pump;
the water pump control circuit is used for receiving the comparison result output by the anhydrous detection circuit and sending a water pump control instruction to the alternating current water pump according to the comparison result.
5. A waterway system of cooking appliances according to claim 3, wherein the second end of the water tube to be tested is in communication with a water inlet end of a water tank in the cooking appliance.
6. A waterway system of a cooking device of claim 3, wherein the water outlet of the ac water pump is in communication with a cavity of the cooking device.
7. A waterway system of a cooking device of claim 3, wherein the ac water pump is an ac plunger pump.
8. The waterway system of cooking equipment of claim 4, wherein the water pump control circuit and the water-free detection unit circuit of the water-free detection circuit are integrated on a same circuit board.
9. A cooking apparatus, characterized in that it comprises a waterway system of the cooking apparatus of any one of claims 3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321836387.5U CN220399657U (en) | 2023-07-12 | 2023-07-12 | Waterless detection circuit, waterway system of cooking equipment and cooking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321836387.5U CN220399657U (en) | 2023-07-12 | 2023-07-12 | Waterless detection circuit, waterway system of cooking equipment and cooking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399657U true CN220399657U (en) | 2024-01-26 |
Family
ID=89603116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321836387.5U Active CN220399657U (en) | 2023-07-12 | 2023-07-12 | Waterless detection circuit, waterway system of cooking equipment and cooking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399657U (en) |
-
2023
- 2023-07-12 CN CN202321836387.5U patent/CN220399657U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108303584A (en) | Detection method and water dispenser | |
| CN102680829A (en) | Device and method for monitoring safe failure of electric device | |
| CN220399657U (en) | Waterless detection circuit, waterway system of cooking equipment and cooking equipment | |
| US20160197467A1 (en) | Power control unit with remote sensor | |
| US10823516B2 (en) | Ground-detecting descaler | |
| CN218781858U (en) | Electric conductor detection device | |
| CN111486599A (en) | Electric water heater electric leakage detection system and electric water heater | |
| CN215833155U (en) | Constant water pressure test system | |
| CN211176319U (en) | Pipeline system with liquid shortage detection function | |
| CN112834950B (en) | Electric leakage detection circuit, electric leakage protection circuit and household appliance | |
| CN211257144U (en) | Energy-saving water supply equipment for excess protection inspection | |
| CN212721648U (en) | Filtrate tank overflow alarm device based on optical coupling | |
| CN104196087A (en) | Water supply device with fault detection function | |
| CN109541334A (en) | Frequency converter test method and test device | |
| CN209162952U (en) | The auxiliary feedwater control system at million kilowatt nuclear power station | |
| CN202383228U (en) | Intelligent combiner box testing system | |
| CN209877347U (en) | Electric water heater with electric leakage detection function | |
| CN113050488A (en) | Water treatment remote monitoring system based on 5G network | |
| CN202600073U (en) | Safety failure monitoring device for electric equipment | |
| CN218847519U (en) | Can dismantle formula detection subassembly that leaks repeatedly | |
| CN112834951A (en) | Electric leakage detection circuit, electric leakage protection circuit and household appliance | |
| CN203405517U (en) | On-line type AC-DC cable detector | |
| CN202013228U (en) | Water seepage alarming device for cable chamber of converting station | |
| CN210658533U (en) | Automatic test system for non-negative-pressure secondary water supply equipment | |
| CN221330943U (en) | Water drinking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |