CN212842182U - Temperature-sensing type water return mechanism for hot water supply pipeline - Google Patents
Temperature-sensing type water return mechanism for hot water supply pipeline Download PDFInfo
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- CN212842182U CN212842182U CN202021243133.9U CN202021243133U CN212842182U CN 212842182 U CN212842182 U CN 212842182U CN 202021243133 U CN202021243133 U CN 202021243133U CN 212842182 U CN212842182 U CN 212842182U
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Abstract
A temperature sensing formula return water mechanism for hot water supply line, wherein: comprises a water tank which is connected with an external water supply network to accumulate water source; the heating device, the electromagnetic valve and the water outlet faucet are sequentially connected in series with the water tank through pipe fittings to form a water outlet pipeline; the control circuit is also arranged for providing electrical control for the heating device and the electromagnet; wherein, the electromagnetic valve adopts a reversing electromagnetic valve with one inlet and two outlets, the inlet of the reversing electromagnetic valve is connected with the heating device, and the outlet of the reversing electromagnetic valve is respectively connected with the water outlet faucet and the water tank; a temperature sensing element is arranged in a pipeline of the electromagnetic valve connected with the water outlet faucet and connected to the control circuit so as to output a control signal to the control circuit when the temperature of the reserved water in the pipeline of the electromagnetic valve connected with the water outlet faucet is lower than a design threshold value; the pipeline of the electromagnetic valve connected with the water outlet tank is connected with a water pump pumped into the water tank in series, and the water pump is connected to the control circuit, so that the control circuit starts the water pump only after receiving a control signal, thereby not only avoiding water resource waste, but also being suitable for realizing energy conservation and consumption reduction.
Description
Technical Field
The utility model relates to a hot water supply technique specifically indicates a temperature sensing formula return water mechanism for hot water supply pipeline.
Background
It is known that in the case of a hot water supply device such as a quick-heating water boiler for kitchen use, which supplies water through a pipeline, the water storage in the water path from the main unit of the quick-heating water boiler for kitchen use to the water tap is not considered, and the water storage is cooled and then drained first in the next water use, so that the initial water temperature of the water is not enough.
To avoid this, a compromise is made to leave water directly in the external evacuation pipe at the beginning of water consumption, which is wasteful of water. The other relatively positive mode is that a water return device is additionally arranged in a hot water supply pipeline, two pipelines are arranged from the hot water supply equipment to water outlet, one pipeline is a hot water supply pipe, the other pipeline is a water return pipe, and water stored in the hot water supply pipe is pumped back to the water tank by a water pump after the hot water supply pipe supplies water each time.
The applicant researches and finds that the solution of additionally arranging the water return device still has defects, and the specific expression is that water can be forcibly returned after each time of water consumption, and the time between two times of water consumption is not long, so that the situation is not necessary; and the reserved water in the waterway is not cooled and is pumped back to the water tank for dilution and cooling, and is reheated when the water is used next time, so that the energy accumulation consumption is not small.
SUMMERY OF THE UTILITY MODEL
The utility model provides a temperature sensing formula return water mechanism for hot water supply pipeline aims at overcoming the not enough of hot water supply pipeline return water mechanism among the prior art, carries out temperature monitoring to the return water pipeline, and the temperature of water retention in the water route falls to the expected value time and carries out the return water to this realizes energy-conservation.
In order to achieve the above purpose, the present invention adopts the following technical solutions.
A temperature sensing formula return water mechanism for hot water supply line, wherein:
comprises a water tank which is connected with an external water supply network to accumulate water source;
the heating device, the electromagnetic valve and the water outlet faucet are sequentially connected in series with the water tank through pipe fittings to form a water outlet pipeline;
the control circuit is also arranged for providing electrical control for the heating device and the electromagnet;
wherein, the electromagnetic valve adopts a reversing electromagnetic valve with one inlet and two outlets, the inlet of the reversing electromagnetic valve is connected with the heating device, and the outlet of the reversing electromagnetic valve is respectively connected with the water outlet faucet and the water tank;
a temperature sensing element is arranged in a pipeline of the electromagnetic valve connected with the water outlet faucet and connected to the control circuit so as to output a control signal to the control circuit when the temperature of the reserved water in the pipeline of the electromagnetic valve connected with the water outlet faucet is lower than a design threshold value;
the pipeline of the electromagnetic valve connected with the water outlet tank is connected with a water pump pumped into the water tank in series, and the water pump is connected to the control circuit, so that the control circuit starts the water pump only after receiving a control signal.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the temperature of the reserved water in the water outlet pipeline is monitored, and the water is returned only when the temperature of the reserved water is lower than a design threshold value, so that water resource waste is avoided, and energy conservation and consumption reduction are facilitated.
The present invention will be further described with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an electrical schematic diagram of the present invention.
Detailed Description
As shown in fig. 1 and 2, a temperature-sensitive water return mechanism for a hot water supply line, wherein:
comprises a water tank 1 connected with an external water supply network to accumulate water source;
the device also comprises a heating device 2, an electromagnetic valve 3 and a water outlet tap 4 which are sequentially connected in series with the water tank 1 by adopting pipe fittings to form a water outlet pipeline;
a control circuit 5 for providing electrical control for the heating device 2 and the electromagnet is also arranged;
wherein, the electromagnetic valve 3 adopts a reversing electromagnetic valve with one inlet and two outlets, the inlet of the reversing electromagnetic valve is connected with the heating device 2, and the outlet of the reversing electromagnetic valve is respectively connected with the water outlet faucet 4 and the water tank 1;
a temperature sensing element 6 is arranged in a pipeline of the electromagnetic valve 3 connected with the water outlet faucet 4, and the temperature sensing element 6 is connected to the control circuit 5 so as to output a control signal to the control circuit 5 when the temperature of the reserved water in the pipeline of the electromagnetic valve 3 connected with the water outlet faucet 4 is lower than a design threshold value;
the electromagnetic valve 3 is connected with a water outlet tank 1, a water pump 7 pumped into the water tank 1 is connected in series in a pipeline, and the water pump 7 is connected to the control circuit 5, so that the control circuit 5 starts the water pump 7 only after receiving a control signal.
By adopting the temperature-sensing type water return mechanism for the hot water supply pipeline, temperature monitoring is realized on the retained water in the water outlet pipeline due to the fact that the temperature-sensing element 6 is arranged in the pipeline, connected with the water outlet faucet 4, of the electromagnetic valve 3; after each time of water use, the control circuit 5 starts the water pump 7 to return water after receiving the control signal only when the temperature of the reserved water is lower than the design threshold.
When the time interval between two times of water consumption is not long, the water temperature of the stored water is not actually lower than the expected value, the water temperature at the initial stage of water outlet again can still meet the requirement, and at the moment, necessary water return is not needed; and when the stored water in the water channel is cooled to a temperature lower than the design threshold, the water return operation is executed, so that the frequency of the water return operation is reduced, and the energy accumulated consumption caused by repeated heating is also reduced.
Therefore, the temperature-sensing water return mechanism for the hot water supply pipeline, which is provided by the scheme, can not cause water resource waste, and is suitable for realizing energy conservation and consumption reduction.
In the above embodiment, the heating device 2 is a thick film heating tube, the inlet thereof is connected to the water tank 1, and the outlet thereof is connected to the electromagnetic valve 3.
In the above embodiment, the electromagnetic valve 3 is connected to the retained water in the pipeline of the water outlet tap 4, and the designed threshold of the temperature is 20-50 ℃.
For those skilled in the art, the protection scope of the present invention is not limited to the details of the above-described exemplary embodiments, and all the embodiments with variations within the scope and meaning equivalent to the elements of the present invention should be included in the present invention without departing from the spirit or essential characteristics of the present invention.
Claims (3)
1. A temperature sensing formula return water mechanism for hot water supply line, its characterized in that:
comprises a water tank which is connected with an external water supply network to accumulate water source;
the heating device, the electromagnetic valve and the water outlet faucet are sequentially connected in series with the water tank through pipe fittings to form a water outlet pipeline;
the control circuit is also arranged for providing electrical control for the heating device and the electromagnet;
wherein, the electromagnetic valve adopts a reversing electromagnetic valve with one inlet and two outlets, the inlet of the reversing electromagnetic valve is connected with the heating device, and the outlet of the reversing electromagnetic valve is respectively connected with the water outlet faucet and the water tank;
a temperature sensing element is arranged in a pipeline of the electromagnetic valve connected with the water outlet faucet and connected to the control circuit so as to output a control signal to the control circuit when the temperature of the reserved water in the pipeline of the electromagnetic valve connected with the water outlet faucet is lower than a design threshold value;
the pipeline of the electromagnetic valve connected with the water outlet tank is connected with a water pump pumped into the water tank in series, and the water pump is connected to the control circuit, so that the control circuit starts the water pump only after receiving a control signal.
2. The temperature-sensitive water return mechanism for a hot water supply line of claim 1, wherein: the heating device adopts a thick film heating pipe, the inlet of the thick film heating pipe is connected with the water tank, and the outlet of the thick film heating pipe is connected with the electromagnetic valve.
3. The temperature-sensitive water return mechanism for a hot water supply line of claim 1, wherein: the electromagnetic valve is connected with the reserved water in the pipeline of the water outlet faucet, and the designed threshold value of the temperature is 20-50 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243133.9U CN212842182U (en) | 2020-06-30 | 2020-06-30 | Temperature-sensing type water return mechanism for hot water supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243133.9U CN212842182U (en) | 2020-06-30 | 2020-06-30 | Temperature-sensing type water return mechanism for hot water supply pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212842182U true CN212842182U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021243133.9U Active CN212842182U (en) | 2020-06-30 | 2020-06-30 | Temperature-sensing type water return mechanism for hot water supply pipeline |
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| CN (1) | CN212842182U (en) |
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2020
- 2020-06-30 CN CN202021243133.9U patent/CN212842182U/en active Active
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