CN216045575U - Electronic anti-backflow semi-ball valve - Google Patents
Electronic anti-backflow semi-ball valve Download PDFInfo
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- CN216045575U CN216045575U CN202122549210.4U CN202122549210U CN216045575U CN 216045575 U CN216045575 U CN 216045575U CN 202122549210 U CN202122549210 U CN 202122549210U CN 216045575 U CN216045575 U CN 216045575U
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Abstract
The utility model provides an electric backflow-preventing half ball valve which comprises a valve body, a valve seat and a valve clack, wherein the valve body is provided with a water inlet cavity and a water outlet cavity; the upper valve rod is connected with a motor shaft of the speed reducing motor; the water inlet cavity is communicated with a city water supply upstream pipeline, the water outlet cavity is communicated with a city water supply downstream pipeline, a backflow prevention monitoring device is arranged at the valve body at the position of the lower valve rod, and the backflow prevention monitoring device is connected with and controls the speed reducing motor. The utility model can automatically detect the pollution backflow situation, send out alarm and close in time.
Description
Technical Field
The utility model belongs to the field of valves, and particularly relates to an electric backflow-preventing half ball valve.
Background
In present urban water supply network, urban water supply pipeline installs electronic hemisphere valve usually and opens and close, but the hemisphere valve structure that uses among the prior art is simpler and can only be used for opening and close, if take place to pollute the refluence condition, when urban water supply low reaches pressure is greater than the urban water supply upper reaches, the hemisphere valve does not have the effect of anti-backflow, also can not send the refluence and pollute the diffusion alarm.
Disclosure of Invention
The utility model aims to provide an electric backflow-preventing half ball valve which can automatically detect the pollution backflow situation, send out an alarm and close in time.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
an electric backflow-preventing half ball valve comprises a valve body, a valve seat and a valve clack, wherein the valve body is provided with a water inlet cavity and a water outlet cavity; the upper valve rod is connected with a motor shaft of the speed reducing motor; the water inlet cavity is communicated with a city water supply upstream pipeline, the water outlet cavity is communicated with a city water supply downstream pipeline, a backflow prevention monitoring device is arranged at the valve body at the position of the lower valve rod, and the backflow prevention monitoring device is connected with and controls the speed reducing motor.
Furthermore, the backflow prevention monitoring device comprises a water pressure detection structure, a flow sensor and an information box; the water pressure detection structure comprises a body, and a diaphragm control cavity, a diaphragm control upper cavity channel, a steamed bun slice control lower cavity channel and a water drainage channel which are arranged in the body; a sealing diaphragm is arranged in the diaphragm control cavity and divides the diaphragm control cavity into a diaphragm control upper cavity and a diaphragm control lower cavity; the diaphragm control upper cavity is communicated with the diaphragm control upper cavity channel, and the diaphragm control upper cavity channel is communicated with the water inlet cavity; the diaphragm control lower cavity is communicated with the diaphragm control lower cavity channel, and the diaphragm control lower cavity channel is communicated with the water outlet cavity; the water drainage channel is communicated with the bottom of the diaphragm control lower cavity; the flow sensor is arranged on the drainage channel and used for detecting whether the drainage channel has flow; the flow sensor circuit is connected with the information box and sends detection information to the information box, the information box comprises a processor module and a power supply module, the flow sensor is connected with the processor module, the processor module is connected with the speed reducing motor, and the power supply module is connected with the processor module and used for supplying power.
Furthermore, a first channel is formed on one side of the water inlet cavity and a second channel is formed on one side of the water outlet cavity of the valve body at the position of the lower valve rod; the first channel is communicated with the water inlet cavity and the diaphragm control upper cavity channel; the second channel is communicated with the water outlet cavity and the diaphragm control lower cavity channel.
Furthermore, the information box further comprises a network module, the network module is connected with the processor module, and the processor module is in wireless connection with the urban water supply main control system through the network module.
Furthermore, the urban water supply main control system is in wireless connection with the emergency management mobile terminal.
Compared with the prior art, the utility model has the following beneficial effects:
(1) according to the backflow prevention monitoring device, the backflow situation of the urban water supply pipeline can be automatically detected, and the speed reducing motor is controlled to close the half ball valve in time so as to seal the urban water supply pipeline and prevent pollution backflow;
(2) the system is wirelessly connected with the urban water supply main control system, so that an alarm can be sent to the urban water supply main control system in time when the backflow condition of the urban water supply pipeline is detected;
(3) the water pressure detection structure used in the backflow prevention monitoring device is realized through the structures of the diaphragm control cavity and the water drainage channel, so that the complex monitoring device is avoided, the structure is simple, the cost is low, and the detection effect is good.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the information box in the embodiment of the present invention.
Wherein:
1. a valve body; 2. a valve flap; 3. an upper valve stem; 4. a lower valve stem; 5. a valve seat; 6. a reduction motor;
7. an urban water supply upstream pipeline; 8. a city water supply downstream pipeline; 9. a first channel; 10. a second channel;
11. the diaphragm controls the upper cavity channel; 12. the diaphragm controls the lower cavity channel; 13. the diaphragm controls the upper cavity;
14. the diaphragm controls the lower cavity; 15. sealing the membrane; 16. a drainage channel; 17. a flow sensor; 18. an information box; 19. a main urban water supply control system; 20. and (5) emergency management of the mobile terminal.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, the electric anti-backflow hemisphere valve provided by the utility model comprises a valve body 1 provided with a water inlet cavity and a water outlet cavity, a valve seat 5 arranged in the valve body, and a valve clack 2 arranged corresponding to the valve seat 5, wherein the upper part of the valve clack 2 is eccentrically connected with an upper valve rod 3, and the lower part of the valve clack 2 is eccentrically connected with a lower valve rod 4; the upper valve rod 3 is connected with a motor shaft of a speed reducing motor 6; the water inlet cavity is communicated with a city water supply upstream pipeline 7, the water outlet cavity is communicated with a city water supply downstream pipeline 8, a first channel 9 is formed in one side of the water inlet cavity at the position of the valve body 1 where the lower valve rod 4 is located, and a second channel 10 is formed in one side of the water outlet cavity; the valve body 1 is also provided with a backflow prevention monitoring device, and the backflow prevention monitoring device comprises a water pressure detection structure, a flow sensor 17 and information 18; the water pressure detection structure comprises a body, and a diaphragm control cavity, a diaphragm control upper cavity channel 11, a steamed bun slice control lower cavity channel 12 and a water drainage channel 16 which are arranged in the body; a sealing diaphragm 15 is arranged in the diaphragm control cavity, and the diaphragm control cavity is divided into a diaphragm control upper cavity 13 and a diaphragm control lower cavity 14 by the sealing diaphragm 15; the diaphragm control upper cavity 13 is communicated with the diaphragm control upper cavity channel 11, the diaphragm control upper cavity channel 11 is communicated with the first channel 9, and is communicated with the water inlet cavity through the first channel 9; the diaphragm control lower cavity 14 is communicated with the diaphragm control lower cavity channel 12, the diaphragm control lower cavity channel 12 is communicated with the second channel 10, and is communicated with the water outlet cavity through the second channel 10; the water drainage channel 16 is communicated with the bottom of the diaphragm control lower cavity 14; the flow sensor 17 is installed in the drainage channel 16 and used for detecting whether the drainage channel 16 has flow; the flow sensor 17 is connected with the information box 18 through a circuit and sends detection information to the information box 18, the information box 18 comprises a processor module, a power supply module and a network module, the flow sensor 17 is connected with the processor module through a sensor interface of the processor module, the processor module is connected with the speed reducing motor 6 through a motor interface, and the power supply module is connected with the processor module and used for supplying power; the network module is connected with the processor module, the processor module is wirelessly connected with the urban water supply main control system 19 through the network module, and the urban water supply main control system 19 is wirelessly connected with the emergency management mobile terminal 20.
The network module is a wireless network module and can be one or more of WIFI, GPRS, 4G, 5G, ZigBee, LoRa and NB-IoT.
The working principle of the utility model is as follows:
and (3) normal operation state: urban water supply upstream pipeline 7 (high pressure) → electric hemisphere valve → urban water supply downstream pipeline 8 (low pressure), at this time, diaphragm control upper cavity channel 11 (pressure water) → diaphragm control upper cavity 13 (high pressure water pressure), is higher than diaphragm control lower cavity channel 12 (low pressure water) → diaphragm control lower cavity 14 (low pressure water); the diaphragm control upper cavity 13 presses the sealing diaphragm 15 → the channel opening of the sealed water discharge channel 16 → the diaphragm control lower cavity channel 12 (low pressure water) → the diaphragm control lower cavity 14 (low pressure water) → the flow direction of the water discharge channel 16 → at this time the electric hemisphere valve normally operates; no water drainage occurs → the flow sensor 17 (no water flow signal is sent) → the information box 18 (normal water supply network working state data of the electric hemispherical valve) → the urban water supply main control system 19 (data storage and data analysis and management) → the emergency management mobile terminal 20 (interconnection and intercommunication and shared application of water supply monitoring information);
pollution backflow generation state: urban water supply downstream pipeline 8 (high pressure) → electric hemisphere valve → urban water supply upstream pipeline 7 (low pressure), and at this time diaphragm control lower cavity channel 12 (pressurized water) → diaphragm control lower cavity 14 (pressurized water high pressure), is higher than diaphragm control upper cavity channel 11 (low pressure water) → diaphragm control upper cavity 13 (low pressure water); the diaphragm-controlled lower cavity 14 jacks up the sealing diaphragm 15 → the channel opening of the sealed water discharge channel 16 → the communication of the diaphragm-controlled lower cavity channel 12 (pressurized water) → the diaphragm-controlled lower cavity 14 (pressurized water) → the flow direction of the water discharge channel 16 → the polluted water flows out from the channel opening of the water discharge channel 16 → the flow sensor 17 (with a water flow signal) → the information box 18 → at this time, the electric half ball valve is controlled by the information box 18 to be closed emergently; meanwhile, the working state data of the electric half ball valve for backflow prevention → a city water supply main control system 19 (stores the data and gives an alarm for backflow pollution diffusion) → an emergency management mobile terminal 20 (a city manager gives an emergency instruction to inform an emergency treatment executor of field treatment).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An electric backflow-preventing half ball valve is characterized by comprising a valve body, a valve seat and a valve clack, wherein the valve body is provided with a water inlet cavity and a water outlet cavity; the upper valve rod is connected with a motor shaft of the speed reducing motor; the water inlet cavity is communicated with a city water supply upstream pipeline, the water outlet cavity is communicated with a city water supply downstream pipeline, a backflow prevention monitoring device is arranged at the valve body at the position of the lower valve rod, and the backflow prevention monitoring device is connected with and controls the speed reducing motor.
2. The electric backflow-preventing half ball valve as claimed in claim 1, wherein the backflow-preventing monitoring device comprises a water pressure detection structure, a flow sensor and an information box; the water pressure detection structure comprises a body, and a diaphragm control cavity, a diaphragm control upper cavity channel, a diaphragm control lower cavity channel and a water drainage channel which are arranged in the body; a sealing diaphragm is arranged in the diaphragm control cavity and divides the diaphragm control cavity into a diaphragm control upper cavity and a diaphragm control lower cavity; the diaphragm control upper cavity is communicated with the diaphragm control upper cavity channel, and the diaphragm control upper cavity channel is communicated with the water inlet cavity; the diaphragm control lower cavity is communicated with the diaphragm control lower cavity channel, and the diaphragm control lower cavity channel is communicated with the water outlet cavity; the water drainage channel is communicated with the bottom of the diaphragm control lower cavity; the flow sensor is arranged on the drainage channel and used for detecting whether the drainage channel has flow; the flow sensor circuit is connected with the information box and sends detection information to the information box, the information box comprises a processor module and a power supply module, the flow sensor is connected with the processor module, the processor module is connected with the speed reducing motor, and the power supply module is connected with the processor module and used for supplying power.
3. The electric backflow-preventing half ball valve as claimed in claim 2, wherein a first channel is formed on one side of the water inlet cavity and a second channel is formed on one side of the water outlet cavity of the valve body at the position of the lower valve rod; the first channel is communicated with the water inlet cavity and the diaphragm control upper cavity channel; the second channel is communicated with the water outlet cavity and the diaphragm control lower cavity channel.
4. The electric backflow-preventing hemisphere valve according to claim 2, wherein the information box further comprises a network module, the network module is connected with the processor module, and the processor module is wirelessly connected with a city water supply main control system through the network module.
5. The electric backflow-preventing half ball valve as claimed in claim 1, wherein the urban water supply main control system is wirelessly connected with an emergency management mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549210.4U CN216045575U (en) | 2021-10-22 | 2021-10-22 | Electronic anti-backflow semi-ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549210.4U CN216045575U (en) | 2021-10-22 | 2021-10-22 | Electronic anti-backflow semi-ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN216045575U true CN216045575U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122549210.4U Active CN216045575U (en) | 2021-10-22 | 2021-10-22 | Electronic anti-backflow semi-ball valve |
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| CN (1) | CN216045575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658878A (en) * | 2022-04-13 | 2022-06-24 | 中恒水务科技有限公司 | Non-resistance backflow preventer with double ball valves |
-
2021
- 2021-10-22 CN CN202122549210.4U patent/CN216045575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658878A (en) * | 2022-04-13 | 2022-06-24 | 中恒水务科技有限公司 | Non-resistance backflow preventer with double ball valves |
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