Flow adjusting device and water heater

Abstract

The utility model provides a flow regulating device and a water heater, the flow regulating device comprises a first steady flow valve and a first flow channel passing through the first steady flow valve, the flow regulating device further comprises a second flow channel, an opening and closing valve and a second steady flow valve, the opening and closing valve can open or close the second flow channel, and the first flow channel passes through the second steady flow valve. When the water heater is in a normal working state, the opening and closing valve closes the first flow channel, fluid only passes through the second flow channel, and the first flow stabilizing valve and the second flow stabilizing valve play a flow stabilizing role on all the fluid; when the water heater is in a pressurizing or circulating state, the opening and closing valve is opened, fluid passes through the first flow channel and the second flow channel at the same time, and the first flow stabilizing valve and the second flow stabilizing valve only have a flow stabilizing effect on the fluid passing through the second flow channel, so that when the fluid passing through the first flow stabilizing valve and the second flow stabilizing valve is still maintained to be close to the flow requirement, the flow requirement is met. And the first flow stabilizing valve and the second flow stabilizing valve are prevented from increasing pipeline resistance, generating noise, reducing circulating flow and improving the pressurizing effect.

Description

Technical Field

[0001] The utility model relates to the field of water heaters, in particular to a flow regulating device and a water heater. Background Art

[0002] When the gas water heater is in normal working condition, a flow stabilizing valve needs to be installed on the output water path to reduce flow fluctuations and limit the maximum flow, so as to stabilize the fluid flow and water temperature at the user end to ensure the user experience. However, under the pressurization and circulation state, the flow stabilizing valve will increase the pipeline resistance, generate noise, and reduce the circulation flow and pressurization effect. The prior art fails to achieve that under the multiple working conditions of the multi-stage flow stabilizing valve, the fluid passing through the flow stabilizing valve remains close to the normal state, so as to avoid the flow stabilizing valve increasing the pipeline resistance, generating noise, reducing the circulation flow and pressurization effect. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the defect of the prior art that the fluid passing through the flow regulating valve is still maintained in a nearly normal state under various working conditions of the multi-stage flow regulating valve, and to provide a flow regulating device and a water heater.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] A flow regulating device comprises a first flow stabilizing valve and a first flow channel passing through the first flow stabilizing valve; the flow regulating device also comprises a second flow channel, an opening and closing valve, and a second flow stabilizing valve, the opening and closing valve can open or close the second flow channel, and the first flow channel passes through the second flow stabilizing valve.

[0006] In the technical scheme, a flow regulating device is provided, which includes a first steady flow valve and a first flow channel passing through the first steady flow valve; the flow regulating device also includes a second flow channel, an opening and closing valve, and a second steady flow valve, the opening and closing valve can open or close the second flow channel, and the first flow channel passes through the second steady flow valve. When the flow demand is small, the opening and closing valve closes the second flow channel, and the first steady flow valve and the second steady flow valve play a steady flow role on the fluid in the first flow channel in turn, achieving a two-level steady flow effect; when the flow demand is large, the opening and closing valve opens the second flow channel, and the first steady flow valve and the second steady flow valve only play a steady flow role on the fluid in the first flow channel, so that under various working conditions of the multi-stage steady flow valve, the fluid passing through the steady flow valve is still maintained in a state close to normal, avoiding the steady flow valve from increasing pipeline resistance, generating noise, and reducing circulation flow and boosting effect.

[0007] Preferably, the second flow stabilizing valve comprises a third flow channel, a fourth flow channel, and an opening and closing portion, and the opening and closing portion can open or close the third flow channel.

[0008] In the present technical solution, by setting a second flow stabilizing valve including a third flow channel, a fourth flow channel, and an opening and closing part, the opening and closing part can open or close the third flow channel, and multi-level flow stabilization can be further achieved: when the flow demand is extremely large, the opening and closing part opens the third flow channel, and when the flow demand is between extremely large and relatively small, the opening and closing part closes the third flow channel; the second flow stabilizing valve plays a flow stabilizing role for the fluid in the fourth flow channel, so that when the flow demand is extremely large, the fluid that the second flow stabilizing valve plays a flow stabilizing role still maintains a state close to normal, thereby preventing the second flow stabilizing valve from increasing pipeline resistance, generating noise, and reducing circulation flow and pressurization effects.

[0009] Preferably, the opening and closing part includes a slider driving coil, a slider, and a preload spring;

[0010] When the slider driving coil is energized, the slider driving coil can move the slider by electromagnetic force until the slider opens the third flow channel;

[0011] When the slider driving coil is powered off, the preload spring can move the slider by elastic force until the slider closes the third flow channel.

[0012] In the present technical solution, through the above structural arrangement, the technical effect of the opening and closing part opening or closing the third flow channel can be achieved with a relatively simple structure.

[0013] Preferably, the second flow stabilizing valve further comprises a spoiler, and the spoiler is located at a confluence of the fluid in the third flow channel and the fluid in the fourth flow channel.

[0014] In the present technical solution, by providing a spoiler at the confluence of the fluid in the third flow channel and the fluid in the fourth flow channel, the effect of mixing the two fluids as quickly as possible can be achieved with a relatively simple structure.

[0015] Preferably, the second flow stabilizing valve also includes a limit bracket, the limit bracket has an annular portion, the annular portion is located at one end of the limit bracket facing the direction of the fluid, the annular portion separates the third flow channel and the fourth flow channel, the third flow channel passes through the outer side of the annular portion, and the fourth flow channel passes through the inner side of the annular portion.

[0016] In the present technical solution, a limiting bracket is provided with an annular portion, the annular portion is located at one end of the limiting bracket facing the direction of the fluid, the annular portion separates the third flow channel and the fourth flow channel, the third flow channel passes through the outer side of the annular portion, and the fourth flow channel passes through the inner side of the annular portion, the diversion of the third flow channel and the fourth flow channel can be achieved with a relatively simple structure.

[0017] Preferably, the two third flow channels are distributed symmetrically with respect to the fourth flow channel.

[0018] In the present technical solution, by arranging two third flow channels to be symmetrically distributed relative to the fourth flow channel, the fluid in the first flow channel can be evenly distributed, thereby avoiding the generation of noise due to local concentrated distribution of the fluid.

[0019] Preferably, the second flow channel includes a cylindrical first communicating portion, and the first flow channel includes an annular portion, and the annular portion surrounds the first communicating portion.

[0020] In the present technical solution, by arranging the second flow channel to include a cylindrical first connecting portion, the first flow channel to include an annular portion, and the annular portion surrounding the first connecting portion, the integration of the flow regulating device can be improved with a relatively simple structure.

[0021] Preferably, it is characterized in that the flow regulating device also includes a sealing plug, which separates the annular portion and the first connecting portion to form a diversion chamber, and the sealing plug is provided with a first channel respectively connecting the first connecting portion and the diversion chamber and a second channel respectively connecting the annular portion and the diversion chamber, and the opening and closing valve can open or close the first channel.

[0022] In the present technical solution, a sealing plug is provided to separate the first silencer chamber and the connecting part to form a diversion chamber, and a first channel and a second channel are provided on the sealing plug. Part of the fluid flowing through the first silencer chamber flows into the diversion chamber through the second channel, and then flows into the connecting part from the first channel. An opening and closing valve is provided to open or close the first channel, thereby achieving fluid buffering with a relatively simple structure.

[0023] Preferably, the second flow channel passes by the side of the first steady flow valve, and the fluid in the first flow channel and the fluid in the second flow channel converge at a side of the first steady flow valve away from a direction of the fluid.

[0024] In the present technical solution, by setting the second flow channel passing by the side of the first steady flow valve, the fluid in the first flow channel and the fluid in the second flow channel converge on the side of the first steady flow valve away from the direction of the fluid, thereby improving the integration of the flow regulating device with a relatively simple structure.

[0025] A water heater comprises the flow regulating device as described above, wherein the flow regulating device is located at the water outlet of the water pump of the water heater.

[0026] In the present technical scheme, by providing a water heater and setting the above structure, when the water heater is in normal working state, the opening and closing valve closes the first flow channel, and the fluid only passes through the second flow channel, and the first flow stabilizing valve and the second flow stabilizing valve have a flow stabilizing effect on all the fluids; when the water heater is in a pressurized or circulating state, the opening and closing valve is opened, and the fluid passes through the first flow channel and the second flow channel at the same time, and the first flow stabilizing valve and the second flow stabilizing valve only have a flow stabilizing effect on the fluid passing through the second flow channel, so that the fluid passing through the first flow stabilizing valve and the second flow stabilizing valve is still maintained close to the flow demand is small, avoiding the first flow stabilizing valve and the second flow stabilizing valve to increase the pipeline resistance, generate noise, reduce the circulation flow and the pressurization effect.

[0027] The positive and progressive effects of the utility model are:

[0028] A flow regulating device and a water heater are provided, wherein the flow regulating device includes a first steady flow valve and a first flow channel passing through the first steady flow valve, and also includes a second flow channel, an opening and closing valve, and a second steady flow valve. The opening and closing valve can open or close the second flow channel, and the first flow channel passes through the second steady flow valve. When the water heater is in a normal working state, the opening and closing valve closes the first flow channel, and the fluid only passes through the second flow channel. The first steady flow valve and the second steady flow valve play a steady flow role for all the fluids; when the water heater is in a pressurized or circulating state, the opening and closing valve is opened, and the fluid passes through the first flow channel and the second flow channel at the same time. The first steady flow valve and the second steady flow valve only play a steady flow role for the fluid passing through the second flow channel, so that the fluid passing through the first steady flow valve and the second steady flow valve is still maintained close to the flow demand when the flow demand is small, avoiding the first steady flow valve and the second steady flow valve from increasing the pipeline resistance, generating noise, and reducing the circulation flow and pressurization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the longitudinal section structure of a flow regulating device according to one embodiment of the utility model.

[0030] Figure 2 This is a cross-sectional structural diagram of a flow regulating device according to an embodiment of the utility model.

[0031] Figure 3 It is a structural schematic diagram of a second flow stabilizing valve according to an embodiment of the utility model.

[0032] Figure 4 It is a structural schematic diagram of a first flow stabilizing valve according to an embodiment of the utility model.

[0033] Diversion cavity 01

[0034] Ring portion 11

[0035] Communication portion 21

[0036] Open and close valve 5

[0037] Putter 511

[0038] Core 512

[0039] Driving coil 521

[0040] Return spring 522

[0041] Sealing plug 6

[0042] First channel 61

[0043] Second hole 62

[0044] First steady flow valve 8

[0045] Second steady flow valve 9

[0046] The third flow channel 91

[0047] Fourth flow channel 92

[0048] Driving coil 931

[0049] Slider 932

[0050] Preload spring 933

[0051] Limit bracket 94

[0052] Ring part 941

[0053] Spoiler 95 DETAILED DESCRIPTION

[0054] A preferred embodiment is given below, and the present invention is described more clearly and completely in conjunction with the accompanying drawings.

[0055] like Figure 1-Figure 4 As shown, this embodiment provides a flow regulating device, which includes a first steady flow valve 8 and a first flow channel passing through the first steady flow valve 8; the flow regulating device also includes a second flow channel, an opening and closing valve 5, and a second steady flow valve 9, the opening and closing valve 5 can open or close the second flow channel, and the first flow channel passes through the second steady flow valve 9.

[0056] In this way, a flow regulating device is provided, which includes a first steady flow valve 8 and a first flow channel passing through the first steady flow valve 8; the flow regulating device also includes a second flow channel, an opening and closing valve 5, and a second steady flow valve 9, and the opening and closing valve 5 can open or close the second flow channel, and the first flow channel passes through the second steady flow valve 9. When the flow demand is small, the opening and closing valve 5 closes the second flow channel, and the first steady flow valve 8 and the second steady flow valve 9 play a steady flow role on the fluid in the first flow channel in turn, so as to achieve a two-level steady flow effect; when the flow demand is large, the opening and closing valve 5 opens the second flow channel, and the first steady flow valve 8 and the second steady flow valve 9 only play a steady flow role on the fluid in the first flow channel, so that under various working conditions of the multi-stage steady flow valve, the fluid passing through the steady flow valve is still maintained in a state close to normal, so as to avoid the steady flow valve increasing the pipeline resistance, generating noise, reducing the circulation flow and the boosting effect.

[0057] In this embodiment, the second steady flow valve 9 includes a third flow channel 91 , a fourth flow channel 92 , and an opening and closing portion, and the opening and closing portion can open or close the third flow channel 91 .

[0058] In this way, by setting the second steady flow valve 9 including the third flow channel 91, the fourth flow channel 92, and the opening and closing part, the opening and closing part can open or close the third flow channel 91, and multi-stage steady flow can be further achieved: when the flow demand is extremely large, the opening and closing part opens the third flow channel 91, and when the flow demand is between extremely large and relatively small, the opening and closing part closes the third flow channel 91; the second steady flow valve 9 plays a stabilizing role for the fluid in the fourth flow channel 92, so that when the flow demand is extremely large, the fluid that the second steady flow valve 9 plays a stabilizing role in still maintains a state close to normal, thereby preventing the second steady flow valve 9 from increasing pipeline resistance, generating noise, and reducing circulation flow and pressurization effects.

[0059] In this embodiment, the opening and closing part includes a driving coil 931, a slider 932, and a preload spring 933;

[0060] When the driving coil 931 is energized, the driving coil 931 can move the slider 932 through electromagnetic force until the slider 932 opens the third flow channel 91;

[0061] When the driving coil 931 is powered off, the preload spring 933 can move the slider 932 by elastic force until the slider 932 closes the third flow channel 91 .

[0062] In this way, through the above structural setting, the technical effect of the opening and closing part opening or closing the third flow channel 91 can be achieved with a relatively simple structure. Specifically, in this embodiment, the entire material of the slider 932 is iron; in other embodiments, the material of the slider 932 can also be selected from other materials that facilitate the driving coil 931 to move the slider 932 through electromagnetic force.

[0063] In this embodiment, the second flow stabilizing valve 9 further includes a spoiler 95 , and the spoiler 95 is located at the confluence of the fluid in the third flow channel 91 and the fluid in the fourth flow channel 92 .

[0064] In this way, by providing a spoiler 95 at the confluence of the fluid in the third flow channel 91 and the fluid in the fourth flow channel 92, the effect of mixing the two fluids as quickly as possible can be achieved with a relatively simple structure. Specifically, in this embodiment, the spoiler 95 is a spring; in other embodiments, the spoiler 95 can also be other structures with a spoiler function.

[0065] In this embodiment, the second flow stabilizing valve 9 also includes a limiting bracket 94, which has an annular portion 941. The annular portion 941 is located at one end of the limiting bracket 94 facing the direction of the fluid. The annular portion 941 separates the third flow channel 91 and the fourth flow channel 92. The third flow channel 91 passes through the outer side of the annular portion 941, and the fourth flow channel 92 passes through the inner side of the annular portion 941.

[0066] In this way, by setting the limiting bracket 94 with an annular portion 941, the annular portion 941 is located at the end of the limiting bracket 94 facing the fluid direction, the annular portion 941 separates the third flow channel 91 and the fourth flow channel 92, the third flow channel 91 passes through the outer side of the annular portion 941, and the fourth flow channel 92 passes through the inner side of the annular portion 941, so that the diversion of the third flow channel 91 and the fourth flow channel 92 can be achieved with a relatively simple structure.

[0067] In this embodiment, the two third flow channels 91 are symmetrically distributed with respect to the fourth flow channel 92 .

[0068] In this way, by arranging the two third flow channels 91 to be symmetrically distributed relative to the fourth flow channel 92, the fluid in the first flow channel can be evenly distributed, thereby avoiding the generation of noise due to local concentrated distribution of the fluid.

[0069] In this embodiment, the second flow channel includes a cylindrical connecting portion 21 , and the first flow channel includes an annular portion 941 , which surrounds the connecting portion 21 .

[0070] In this way, by arranging the second flow channel to include the cylindrical connecting portion 21 and the first flow channel to include the annular portion 941 , and the annular portion 941 surrounds the connecting portion 21 , the integration of the flow regulating device can be improved with a relatively simple structure.

[0071] In this embodiment, the flow regulating device also includes a sealing plug, which separates the annular portion 941 and the connecting portion 21 to form a diversion chamber 01. The sealing plug is provided with a first channel 61 respectively connecting the connecting portion 21 and the diversion chamber 01 and a second channel respectively connecting the annular portion 941 and the diversion chamber 01. The opening and closing valve 5 can open or close the first channel 61.

[0072] In this way, a sealing plug is provided to separate the first silencer chamber and the connecting part to form the diversion chamber 01, and a first channel 61 and a second channel are provided on the sealing plug. Part of the fluid flowing through the first silencer chamber flows into the diversion chamber 01 through the second channel, and then flows into the connecting part from the first channel 61. An opening and closing valve 5 is provided to open or close the first channel 61, thereby achieving fluid buffering with a relatively simple structure.

[0073] In this embodiment, the second flow channel passes by the side of the first steady flow valve 8 , and the fluid in the first flow channel and the fluid in the second flow channel merge at a side of the first steady flow valve 8 away from the direction of the fluid.

[0074] In this way, by setting the second flow channel passing by the side of the first steady flow valve 8, the fluid in the first flow channel and the fluid in the second flow channel converge on the side of the first steady flow valve 8 away from the direction of the fluid, the integration of the flow regulating device can be improved with a relatively simple structure.

[0075] This embodiment also provides a water heater (not shown in the figure), which includes a flow regulating device as described above, and the flow regulating device is located at the water outlet of the water pump of the water heater.

[0076] In this way, by providing a water heater and setting up the above structure, when the water heater is in normal working state, the opening and closing valve 5 closes the first flow channel, and the fluid only passes through the second flow channel, and the first steady flow valve 8 and the second steady flow valve 9 have a stabilizing effect on all the fluids; when the water heater is in a pressurized or circulating state, the opening and closing valve 5 is opened, and the fluid passes through the first flow channel and the second flow channel at the same time, and the first steady flow valve 8 and the second steady flow valve 9 only have a stabilizing effect on the fluid passing through the second flow channel, so that the fluid passing through the first steady flow valve 8 and the second steady flow valve 9 is still maintained close to the flow demand is small, avoiding the first steady flow valve 8 and the second steady flow valve 9 to increase the pipeline resistance, generate noise, reduce the circulation flow and the pressurization effect.

[0077] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A flow regulating device, comprising a first flow regulating valve and a first flow channel passing through the first flow regulating valve; characterized in that: The flow regulating device further includes a second flow channel, an opening and closing valve, and a second flow stabilizing valve. The opening and closing valve can open or close the second flow channel, and the first flow channel passes through the second flow stabilizing valve.

2. The flow regulating device according to claim 1, characterized in that: The second flow stabilizing valve includes a third flow channel, a fourth flow channel, and an opening and closing portion, and the opening and closing portion can open or close the third flow channel.

3. The flow regulating device according to claim 2, characterized in that: The opening and closing part includes a slider driving coil, a slider, and a preload spring; When the slider driving coil is energized, the slider driving coil can move the slider by electromagnetic force until the slider opens the third flow channel; When the slider driving coil is powered off, the preload spring can move the slider by elastic force until the slider closes the third flow channel.

4. The flow regulating device according to claim 2, characterized in that: The second flow stabilizing valve further includes a flow spoiler, and the flow spoiler is located at a confluence of the fluid in the third flow channel and the fluid in the fourth flow channel.

5. The flow regulating device according to claim 2, characterized in that: The second flow stabilizing valve also includes a limit bracket, which has an annular portion. The annular portion is located at one end of the limit bracket facing the direction of the fluid, and the annular portion separates the third flow channel and the fourth flow channel. The third flow channel passes through the outer side of the annular portion, and the fourth flow channel passes through the inner side of the annular portion.

6. The flow regulating device according to claim 5, characterized in that: The two third flow channels are symmetrically distributed with respect to the fourth flow channel.

7. The flow regulating device according to claim 1, characterized in that: The second flow channel includes a cylindrical first communication portion, and the first flow channel includes an annular portion surrounding the first communication portion.

8. The flow regulating device according to claim 7, characterized in that: The flow regulating device also includes a sealing plug, which separates the annular portion and the first connecting portion to form a diversion chamber. The sealing plug is provided with a first channel respectively connecting the first connecting portion and the diversion chamber and a second channel respectively connecting the annular portion and the diversion chamber. The opening and closing valve can open or close the first channel.

9. The flow regulating device according to claim 1, characterized in that: The second flow channel passes by the side of the first flow stabilizing valve, and the fluid in the first flow channel and the fluid in the second flow channel merge at a side of the first flow stabilizing valve away from a direction of the fluid.

10. A water heater, characterized in that: It comprises a flow regulating device as described in any one of claims 1 to 9, wherein the flow regulating device is located at the water outlet of the water pump of the water heater.

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