Alarm device for four-cavity water supply unit

Abstract

The invention relates to the field of alarm devices, and provides an alarm device for a four-cavity water supply unit, which comprises an alarm module, a monitoring main body and a pressure sensing module, the alarm module comprises an alarm module; the monitoring main body comprises a cylindrical main body, the upper side of the cylindrical main body is provided with a first annular groove and a second annular groove which are concentrically arranged, the first annular groove is internally provided with a first electrode ring, and the second annular groove is internally provided with a second electrode ring; the first electrode ring and the second electrode ring are electrically connected with the control module, and the control module controls the alarm module to give out an alarm prompt tone when sensing that the two electrode rings are communicated; and the pressure sensing module is respectively communicated with a sterilization tank, a negative pressure elimination tank, a water quality analysis tank and a pressure stabilization compensation tank in the four-cavity water supply unit through pressure transmission pipes. According to the invention, one alarm module is adopted to realize simultaneous monitoring of four pressure sensing modules, so that the integration level of the system is improved, and the cost is reduced.

Description

Technical Field

[0001] The invention relates to the field of alarm devices, in particular to an alarm device for a four-chamber water supply unit. Background Art

[0002] The four-chamber water supply unit in the prior art (see CN110984288A for details) includes a sterilization tank, a negative pressure elimination tank, a water quality analysis tank and a pressure stabilizing compensation tank, so that after the water is discharged into the sterilization tank, the negative pressure elimination tank, the water quality analysis tank and the pressure stabilizing compensation tank, the water can be disinfected, negative pressure eliminated, water quality analyzed and pressure compensated respectively, so as to realize standardized water supply and intelligent water supply. When the four-chamber water supply unit is working, it is necessary to ensure that the pressure inside the four tanks is maintained within the specified range to prevent the occurrence of pipeline blockage, water leakage and the like. When it exceeds this range, the alarm device will emit an alarm prompt sound to remind the staff to repair it in time, but the existing alarm device can only monitor one pressure channel, and the function is relatively single. In the scenario where multiple pressure sources need to be monitored at the same time, multiple single-channel devices of different models need to be configured, which increases the cost and complexity. Therefore, providing an alarm device that can monitor multiple channels at the same time is a technical problem that technicians urgently need to solve. Summary of the invention

[0003] In view of the above technical problems, the present invention provides an alarm device for a four-chamber water supply unit, comprising: an alarm module, a monitoring body and a pressure sensing module; The alarm module includes a hollow cylindrical shell, a display module, a control module, an alarm module and a power supply module; the display module is arranged outside the shell, and the control module, the alarm module and the power supply module are arranged inside the shell, and the control module is electrically connected with the display module and the alarm module; the power supply module is used for power supply inside the alarm module; The monitoring body comprises a cylindrical body, a circular hole is provided in the middle of the cylindrical body from top to bottom; four non-through sensing holes are provided around the circular hole from bottom to top; four first transfer holes are provided on the upper side of the cylindrical body, the first transfer holes are concentric with and connected to the sensing holes; a first annular groove and a second annular groove are provided on the upper side of the cylindrical body, the diameter of the first annular groove is larger than that of the second annular groove, the first annular groove partially overlaps with the first transfer hole and is provided on the outer side of the first transfer hole, and the second annular groove partially overlaps with the first transfer hole and is provided on the inner side of the first transfer hole; a first electrode ring is provided inside the first annular groove, and a second electrode ring is provided inside the second annular groove, the first electrode ring and the second electrode ring are electrically connected to the control module, and when the control module senses that the two electrode rings are connected, the alarm module is controlled to emit an alarm prompt sound; The number of the pressure sensing modules is 4, which are correspondingly arranged inside the sensing holes. The pressure sensing modules are respectively connected to the sterilization tank, negative pressure elimination tank, water quality analysis tank and pressure stabilizing compensation tank in the four-chamber water supply unit, and are connected to the first electrode ring and the second electrode ring when the pressure exceeds the set threshold.

[0004] Optionally, the pressure sensing module includes a first pressure sensing body, a second pressure sensing body and an adapter; the first pressure sensing body is a hollow cylinder, and a pressure sensing moving module is arranged inside the first pressure sensing body; a circular packaging plate is arranged on the top of the first pressure sensing body, a second transfer hole is opened in the middle of the circular packaging plate, and a spring is arranged between the circular packaging plate and the pressure sensing moving module; the elastic moduli of the springs inside different pressure sensing modules are the same or different; The second pressure-sensing body is a hollow cylinder with a diameter larger than that of the first pressure-sensing body. The second pressure-sensing body is arranged at the bottom of the first pressure-sensing body. An elastic first pressure-sensing hemisphere, an elastic second pressure-sensing hemisphere and an elastic pressure-sensing diaphragm are arranged inside the second pressure-sensing body. The curved surface of the first pressure-sensing hemisphere contacts the curved surface of the second pressure-sensing hemisphere, the flat surface of the first pressure-sensing hemisphere is connected to the bottom of the pressure-sensing moving module, and the flat surface of the second pressure-sensing hemisphere is connected to the top of the pressure-sensing diaphragm. The pressure-sensing diaphragm is sealed at the bottom of the inner side of the second pressure-sensing body. The adapter is arranged at the bottom of the second pressure-sensing body for connecting to an external pressure transmission pipe.

[0005] Optionally, the pressure-sensing movement module includes a pressure transmission rod, a first circular guide plate, a pressure transmission plate and a second circular guide plate which are arranged in sequence from top to bottom; a water drop-shaped through hole is arranged in the middle of the pressure transmission plate; a circular electrode is arranged on the top of the pressure transmission rod; the diameter of the pressure transmission rod, the diameter of the second transmission hole and the diameter of the first transmission hole are the same, and the pressure transmission rod can pass through the second transmission hole and the first transmission hole without resistance; the diameter of the first circular guide plate is the same as that of the second circular guide plate and matches the inner diameter of the first pressure-sensing body; the diameter of the pressure transmission rod is smaller than the diameter of the first circular guide plate; the lateral dimension of the pressure transmission plate is smaller than the diameter of the first circular guide plate.

[0006] Optionally, a first guide hole and a second guide hole are concentrically arranged in the radial direction of the first pressure-sensing body, and the first guide hole and the second guide hole are arranged on the upper side of the teardrop-shaped through hole.

[0007] Optionally, four first connecting holes and four second connecting holes are opened inside the cylindrical body along the radial direction of the cylindrical body, the first connecting hole and the second connecting hole are respectively arranged on the outside of the sensing hole, the first connecting hole connects the circular hole and the sensing hole, and the second connecting hole connects the sensing hole and the outside of the cylindrical body; the first connecting hole, the second connecting hole, the first guide hole and the second guide hole are concentrically arranged; a third connecting hole is opened on the upper side of the second connecting hole, and the third connecting hole connects the upper part of the cylindrical body with the second connecting hole.

[0008] Optionally, a light source is provided inside the first connecting hole, a photosensitive element is provided on the inward side of the second connecting hole, and a light-emitting element is provided on the outward side of the second connecting hole; the light source, the photosensitive element, and the light-emitting element are all electrically connected to the control module; the light source is used to illuminate the pressure-sensing mobile module, and the photosensitive element is used to receive light passing through the pressure-sensing mobile module; the measurement of the sensed pressure is achieved by receiving the size of the light power by the photosensitive element; the light-emitting element emits green light when the sensed pressure is normal, and emits red light when the sensed pressure is abnormal.

[0009] Optionally, two fiber optic through holes are opened along the radial direction of the second pressure-sensing body, an elastic tube is arranged inside the fiber optic through hole, and the elastic tube is arranged between the first pressure-sensing hemisphere and the second pressure-sensing hemisphere; the pressure-sensitive optical fiber can pass through the elastic tube; the pressure-sensitive optical fiber is used for calibration of the photosensitive element, or, the pressure-sensitive optical fiber is used as a pressure measurement module.

[0010] Compared with the prior art, the present invention has achieved the following technical effects: 1. The alarm device for the four-chamber water supply unit uses one set of alarm modules to realize the simultaneous monitoring of four sets of pressure sensing modules, thus improving the system integration. The alarm device for the four-chamber water supply unit can monitor four different pressure channels at the same time. To deal with different pressure channels, it is only necessary to replace springs with different elastic moduli, without the need to purchase multiple different types of pressure sensors, thus saving costs and improving the comprehensiveness of the measurement.

[0011] 2. An optical fiber through hole is opened in the radial direction of the second pressure-sensing body, and the calibration of the photosensitive element is realized through the pressure-sensitive optical fiber. Or, in order to improve the measurement accuracy, the pressure-sensitive optical fiber is used as the pressure measurement module. Customers can install pressure-sensitive optical fibers as needed, which improves the flexibility of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A schematic diagram of the structure of an alarm device for a four-chamber water supply unit provided by an embodiment of the present invention; Figure 2A schematic diagram of the internal structure of an alarm device for a four-chamber water supply unit provided by an embodiment of the present invention; Figure 3 A cross-sectional schematic diagram of an alarm device for a four-chamber water supply unit provided by an embodiment of the present invention; Figure 4 A schematic structural diagram of an alarm body in an alarm device for a four-chamber water supply unit provided by an embodiment of the present invention; Figure 5 A schematic diagram of the structure of a pressure sensing module in an alarm device for a four-chamber water supply unit provided by an embodiment of the present invention; Figure 6 A schematic diagram of the principle of a pressure sensing module in an alarm device for a four-chamber water supply unit provided in one embodiment of the present invention; Figure 7 A schematic diagram of the structure of a pressure-sensitive optical fiber in an alarm device for a four-chamber water supply unit provided in one embodiment of the present invention.

[0013] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0014] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0015] like Figure 1-7 As shown, an embodiment of the present invention provides an alarm device for a four-chamber water supply unit, comprising: an alarm module 1, a monitoring body 2 and a pressure sensing module 3; The alarm module 1 includes a hollow cylindrical shell, a display module, a control module, an alarm module and a power supply module; the display module is arranged outside the shell, and the control module, the alarm module and the power supply module are arranged inside the shell, and the control module is electrically connected to the display module and the alarm module; the power supply module is used for power supply inside the alarm module 1; like Figure 4As shown, the monitoring body 2 includes a cylindrical body 21, a circular hole 22 is opened in the middle of the cylindrical body 21 from top to bottom; four non-through sensing holes 23 are opened around the circular hole 22 from bottom to top; four first transmission holes 24 are opened on the upper side of the cylindrical body 21, and the first transmission holes 24 are concentric with and connected to the sensing holes 23; a first annular groove 25 and a second annular groove 26 are concentrically arranged on the upper side of the cylindrical body 21, and the diameter of the first annular groove 25 is larger than that of the second annular groove 26, and the first annular groove 25 is larger than that of the second annular groove 26. The annular groove 25 partially overlaps with the first transmission hole 24 and is arranged on the outside of the first transmission hole 24, and the second annular groove 26 partially overlaps with the first transmission hole 24 and is arranged on the inside of the first transmission hole 24; the first electrode ring 11 is arranged inside the first annular groove 25, and the second electrode ring 12 is arranged inside the second annular groove 26. The first electrode ring 11 and the second electrode ring 12 are electrically connected to the control module. When the control module senses that the two electrode rings are connected, it controls the alarm module to emit an alarm prompt sound; The number of the pressure sensing modules 3 is 4, which are correspondingly arranged inside the sensing hole 23. The pressure sensing modules 3 are respectively connected to the sterilization tank, negative pressure elimination tank, water quality analysis tank and pressure stabilizing compensation tank in the four-chamber water supply unit, and are connected to the first electrode ring 11 and the second electrode ring 12 when the pressure exceeds the set threshold.

[0016] Optional, such as Figure 5 As shown, the pressure sensing module 3 includes a first pressure sensing body 31, a second pressure sensing body 32 and an adapter 33; the first pressure sensing body 31 is a hollow cylinder, and a pressure sensing moving module 35 is arranged inside the first pressure sensing body 31; a circular packaging plate 34 is arranged on the top of the first pressure sensing body 31, a second transmission hole 342 is opened in the middle of the circular packaging plate 34, and a spring 341 is arranged between the circular packaging plate 34 and the pressure sensing moving module 35; the elastic modulus of the springs 341 inside different pressure sensing modules 3 are the same or different; The second pressure-sensing body 32 is a hollow cylinder, and its diameter is larger than that of the first pressure-sensing body 31. The second pressure-sensing body 32 is arranged at the bottom of the first pressure-sensing body 31. An elastic first pressure-sensing hemisphere 36, an elastic second pressure-sensing hemisphere 37 and an elastic pressure-sensing diaphragm 38 are arranged inside the second pressure-sensing body 32. The curved side of the first pressure-sensing hemisphere 36 contacts the curved side of the second pressure-sensing hemisphere 37, the flat side of the first pressure-sensing hemisphere 36 is connected to the bottom of the pressure-sensing moving module 35, and the flat side of the second pressure-sensing hemisphere 37 is connected to the top of the pressure-sensing diaphragm 38. The pressure-sensing diaphragm 38 is sealed and arranged at the bottom of the inner side of the second pressure-sensing body 32. The adapter 33 is arranged at the bottom of the second pressure-sensing body 32, and is used to connect to an external pressure transmission pipe (such as a liquid transmission pipe or a gas transmission pipe).

[0017] Optional, such as Figure 6 As shown, the pressure-sensing movement module 35 includes a pressure transmission rod 351, a first circular guide plate 352, a pressure transmission plate 353 and a second circular guide plate 355 which are arranged in sequence from top to bottom; a water drop-shaped through hole 354 is arranged in the middle of the pressure transmission plate 353; a circular electrode 356 is arranged on the top of the pressure transmission rod 351; the diameter of the pressure transmission rod 351, the diameter of the second transmission hole 342, and the diameter of the first transmission hole 24 are the same, and the pressure transmission rod 351 can pass through the second transmission hole 342 and the first transmission hole 24 without resistance; the first circular guide plate 352 and the second circular guide plate 355 have the same diameter and match the inner diameter of the first pressure-sensing body 31; the diameter of the pressure transmission rod 351 is smaller than the diameter of the first circular guide plate 352; the lateral dimension of the pressure transmission plate 353 is smaller than the diameter of the first circular guide plate 352.

[0018] Optional, such as Figure 6 As shown, the first pressure-sensing body 31 is radially and concentrically provided with a first guide hole 311 and a second guide hole 312 , and the first guide hole 311 and the second guide hole 312 are arranged on the upper side of the teardrop-shaped through hole 354 .

[0019] Optional, such as Figure 4As shown, inside the cylindrical body 21, four first connecting holes 27 and four second connecting holes 28 are opened along the radial direction of the cylindrical body 21, and the first connecting holes 27 and the second connecting holes 28 are respectively arranged on the outside of the sensing hole 23, the first connecting hole 27 connects the circular hole 22 and the sensing hole 23, and the second connecting hole 28 connects the sensing hole 23 and the outside of the cylindrical body 21; the first connecting hole 27, the second connecting hole 28, the first guide hole 311 and the second guide hole 312 are concentrically arranged; the third connecting hole 29 is opened on the upper side of the second connecting hole 28, and the third connecting hole 29 connects the upper part of the cylindrical body 21 with the second connecting hole 28.

[0020] Optional, such as Figure 3 As shown, a light source 13 is arranged inside the first connecting hole 27, a photosensitive element 14 is arranged on the inner side of the second connecting hole 28, and a light-emitting element 15 is arranged on the outer side of the second connecting hole 28; the light source 13, the photosensitive element 14, and the light-emitting element 15 are all electrically connected to the control module; the light source 13 is used to illuminate the pressure-sensing movable module 35, and the photosensitive element 14 is used to receive light passing through the pressure-sensing movable module 35; the measurement of the sensed pressure is achieved by receiving the size of the light power by the photosensitive element 14; the light-emitting element 15 emits green light when the sensed pressure is normal, and emits red light when the sensed pressure is abnormal.

[0021] Optional, such as Figure 5 As shown, two optical fiber through holes 321 are provided along the radial direction of the second pressure-sensitive body 32, and an elastic tube 39 is provided inside the optical fiber through hole 321, and the elastic tube 39 is provided between the first pressure-sensitive hemisphere 36 and the second pressure-sensitive hemisphere 37; the pressure-sensitive optical fiber can pass through the elastic tube 39 to achieve higher-precision pressure measurement. Four pressure-sensitive gratings (i.e., λ1, λ2, λ3, and λ4) of different wavelengths are provided on the pressure-sensitive optical fiber, and the gratings can reflect lasers of specified wavelengths to achieve pressure measurement through wavelength changes. The pressure-sensitive optical fiber is used for calibration of the photosensitive element 14, or, in order to improve measurement accuracy, the pressure-sensitive optical fiber is used as a pressure measurement module.

[0022] Optionally, the alarm module is a speaker or a buzzer.

[0023] Optionally, the power supply module is a battery.

[0024] Optionally, the alarm module 1 further comprises a wireless transmission module, and the wireless transmission module is electrically connected to the control module; the wireless transmission module is used to connect to an external mobile terminal or a control terminal.

[0025] The working principle of the alarm device for the four-chamber water supply unit is as follows: the pressure transmission pipe is used to connect the sterilization tank, the negative pressure elimination tank, the water quality analysis tank and the pressure stabilizing compensation tank with the adapter 33 in the pressure sensing module 3, and the liquid / gas is introduced into the interior of the pressure sensing module 3. The pressure of the liquid / gas is transmitted to the pressure sensing mobile module 35 through the pressure sensing diaphragm 38, the second pressure sensing hemisphere 37, and the first pressure sensing hemisphere 36. According to different sensing pressures, the distance of the pressure sensing mobile module 35 moving upward is different, that is, the light power passing through the water drop-shaped through hole 354 is different. The light power is received by the photosensitive element 14 to achieve the measurement of the sensing pressure. When the set threshold is exceeded, the circular electrode 356 on the top of the pressure sensing mobile module 35 connects the first electrode ring 11 and the second electrode ring 12, and the alarm module emits an alarm prompt sound. In addition, the spring 341 with different elastic modulus can be replaced according to different range requirements to improve applicability.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. Alarm device for four-chamber water supply unit, including: Alarm module, monitoring body and pressure sensing module; The alarm module includes a hollow cylindrical shell, a display module, a control module, an alarm module and a power supply module; the display module is arranged outside the shell, and the control module, the alarm module and the power supply module are arranged inside the shell, and the control module is electrically connected with the display module and the alarm module; the power supply module is used for power supply inside the alarm module; The monitoring body comprises a cylindrical body, a circular hole is provided in the middle of the cylindrical body from top to bottom; four non-through sensing holes are provided around the circular hole from bottom to top; four first transfer holes are provided on the upper side of the cylindrical body, the first transfer holes are concentric with and connected to the sensing holes; a first annular groove and a second annular groove are provided on the upper side of the cylindrical body, the diameter of the first annular groove is larger than that of the second annular groove, the first annular groove partially overlaps with the first transfer hole and is provided on the outer side of the first transfer hole, and the second annular groove partially overlaps with the first transfer hole and is provided on the inner side of the first transfer hole; a first electrode ring is provided inside the first annular groove, and a second electrode ring is provided inside the second annular groove, the first electrode ring and the second electrode ring are electrically connected to the control module, and when the control module senses that the two electrode rings are connected, the alarm module is controlled to emit an alarm prompt sound; The number of the pressure sensing modules is 4, which are correspondingly arranged inside the sensing holes. The pressure sensing modules are respectively connected to the sterilization tank, negative pressure elimination tank, water quality analysis tank and pressure stabilizing compensation tank in the four-chamber water supply unit, and are connected to the first electrode ring and the second electrode ring when the pressure exceeds the set threshold.

2. The alarm device according to claim 1, characterized in that: in, The pressure sensing module comprises a first pressure sensing body, a second pressure sensing body and an adapter; the first pressure sensing body is a hollow cylinder, and a pressure sensing moving module is arranged inside the first pressure sensing body; a circular packaging plate is arranged on the top of the first pressure sensing body, a second transmission hole is opened in the middle of the circular packaging plate, and a spring is arranged between the circular packaging plate and the pressure sensing moving module; the elastic moduli of the springs inside different pressure sensing modules are the same or different; The second pressure-sensing body is a hollow cylinder with a diameter larger than that of the first pressure-sensing body. The second pressure-sensing body is arranged at the bottom of the first pressure-sensing body. An elastic first pressure-sensing hemisphere, an elastic second pressure-sensing hemisphere and an elastic pressure-sensing diaphragm are arranged inside the second pressure-sensing body. The curved surface of the first pressure-sensing hemisphere contacts the curved surface of the second pressure-sensing hemisphere, the flat surface of the first pressure-sensing hemisphere is connected to the bottom of the pressure-sensing moving module, and the flat surface of the second pressure-sensing hemisphere is connected to the top of the pressure-sensing diaphragm. The pressure-sensing diaphragm is sealed at the bottom of the inner side of the second pressure-sensing body. The adapter is arranged at the bottom of the second pressure-sensing body for connecting to an external pressure transmission pipe.

3. The alarm device according to claim 2, characterized in that: in, The pressure-sensing movement module includes a pressure transmission rod, a first circular guide plate, a pressure transmission plate and a second circular guide plate which are arranged in sequence from top to bottom; a water drop-shaped through hole is arranged in the middle of the pressure transmission plate; a circular electrode is arranged on the top of the pressure transmission rod; the diameter of the pressure transmission rod, the diameter of the second transmission hole and the diameter of the first transmission hole are the same, and the pressure transmission rod can pass through the second transmission hole and the first transmission hole without resistance; the diameter of the first circular guide plate is the same as that of the second circular guide plate and matches the inner diameter of the first pressure-sensing body; the diameter of the pressure transmission rod is smaller than the diameter of the first circular guide plate; the lateral dimension of the pressure transmission plate is smaller than the diameter of the first circular guide plate.

4. The alarm device according to claim 3, characterized in that: in, The first pressure-sensing body is radially and concentrically provided with a first guide hole and a second guide hole that penetrate therethrough. The first guide hole and the second guide hole are arranged on the upper side of the teardrop-shaped through hole.

5. The alarm device according to claim 4, characterized in that: in, Inside the cylindrical body, four first communicating holes and four second communicating holes are opened along the radial direction of the cylindrical body, the first communicating holes and the second communicating holes are respectively arranged outside the sensing hole, the first communicating holes communicate with the circular hole and the sensing hole, and the second communicating holes communicate with the sensing hole and the outside of the cylindrical body; The first connecting hole, the second connecting hole, the first guide hole and the second guide hole are arranged concentrically; a third connecting hole is opened on the upper side of the second connecting hole, and the third connecting hole connects the upper part of the cylindrical body with the second connecting hole.

6. The alarm device according to claim 5, characterized in that: in, A light source is arranged inside the first connecting hole, a photosensitive element is arranged on the inward side of the second connecting hole, and a light-emitting element is arranged on the outward side of the second connecting hole; the light source, the photosensitive element, and the light-emitting element are all electrically connected to the control module; the light source is used to illuminate the pressure-sensing mobile module, and the photosensitive element is used to receive light passing through the pressure-sensing mobile module; the measurement of the sensed pressure is achieved by receiving the size of the light power by the photosensitive element; the light-emitting element emits green light when the sensed pressure is normal, and emits red light when the sensed pressure is abnormal.

7. The alarm device according to claim 6, characterized in that: in, Two optical fiber through holes are opened along the radial direction of the second pressure-sensing body, and an elastic tube is arranged inside the optical fiber through hole, and the elastic tube is arranged between the first pressure-sensing hemisphere and the second pressure-sensing hemisphere; the pressure-sensitive optical fiber can pass through the elastic tube; the pressure-sensitive optical fiber is used for calibration of the photosensitive element, or the pressure-sensitive optical fiber is used as a pressure measurement module.

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