Glass rotameter with alarm protection
By introducing an external protective mechanism and a sensor shielding mechanism into the glass rotor flowmeter, the problem of easy damage to the glass tube body is solved, and the protection and alarm functions of the glass tube body are realized.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU JINGXIAO ELECTRONICS CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-05-08
AI Technical Summary
Existing glass rotor flowmeters lack effective protective structures, making the glass tube body easily damaged and lacking a protective sensing mechanism.
A glass rotor flowmeter with an outer protective mechanism, a sensor-activated shielding mechanism, and an alarm control mechanism was designed. The outer protective mechanism protects the glass tube, and the sensor-activated shielding mechanism triggers the alarm control mechanism to issue an audible and visual alert when damage is detected.
It effectively protects the glass tube, can issue an alarm in time when damage is detected, prevents damage to the glass tube, and is easy to carry and observe flow data.
Smart Images

Figure CN224216123U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of glass rotor flowmeter technology, specifically a glass rotor flowmeter with alarm protection. Background Technology
[0002] A rotor flowmeter measures fluid flow based on the principle of throttling. However, it changes the flow area of the fluid to maintain a constant differential pressure above and below the rotor, hence it is also called a variable flow area constant differential pressure flowmeter or a float flowmeter.
[0003] The existing Chinese patent CN215726135U, published on February 1, 2022, discloses a remote transmission type glass tube rotor flowmeter, including a glass tube rotor flowmeter body; a float located inside the glass tube rotor flowmeter body; a magnetic body mounted on the float; a waveguide wire located outside the glass tube rotor flowmeter body, the extension direction of the waveguide wire being parallel to the floating direction of the float; and a magnetostrictive controller located outside the glass tube rotor flowmeter body.
[0004] However, the device does not have a good protective structure when in use, making the internal glass tube easy to damage, and it also lacks a corresponding protective sensing mechanism.
[0005] Therefore, we propose a novel glass rotor flowmeter with alarm protection to solve the above-mentioned technical problems. Utility Model Content
[0006] (a) Technical problems to be solved
[0007] To address the shortcomings of existing technologies, this utility model provides a glass rotor flowmeter with alarm protection, which solves the problems of the above-mentioned devices not having a good overall protective structure during use, making the internal glass tube easy to be damaged, and lacking a corresponding protective sensing mechanism.
[0008] (II) Technical Solution
[0009] To achieve the above objectives, this utility model provides the following technical solution: a glass rotor flowmeter with alarm protection, comprising:
[0010] Glass testing agency;
[0011] An outer protective enclosure is provided, which is installed and connected to the periphery of the glass inspection mechanism.
[0012] The upper connecting end seat is fixedly connected to the upper end of the glass testing mechanism;
[0013] The lower connecting end seat is fixedly connected to the lower end of the glass testing mechanism.
[0014] A sensor-activated shielding mechanism is installed and connected to the middle of the front end of the outer protective mechanism;
[0015] A lifting and carrying mechanism, which is fixedly attached to the outer wall of the outer protective wrapping mechanism;
[0016] An alarm control mechanism is installed and connected to the outer end of the lifting and carrying mechanism.
[0017] Preferably, the glass testing mechanism includes a glass tube body, the outer wall of which is laser-printed with a scale label, a float is sleeved inside the glass tube body, an upper connecting pipe head is fixedly connected to the upper end of the glass tube body, a lower connecting pipe head is fixedly connected to the lower end of the glass tube body, the lower end of the lower connecting pipe head is fixedly connected to a lower connecting end seat, the upper end of the lower connecting pipe head is fixedly connected to an upper connecting end seat, and an outer protective wrapping mechanism is fixedly connected to the periphery of the glass tube body.
[0018] Preferably, the outer protective wrapping mechanism includes a wrapping shell, an observation slot is provided on the inner side of the front end of the wrapping shell, connecting ends are fixedly connected to both ends of the wrapping shell, and side support rods are symmetrically fixed between the two connecting ends. The wrapping shell and the connecting ends are fixed to the periphery of the glass tube. A lifting and carrying mechanism is fixed to the outer wall of the glass tube, and a sensor shielding mechanism is installed at the front end of the two side support rods.
[0019] Preferably, the lifting and carrying mechanism includes a handle panel, an arc-shaped connecting plate is fixedly connected to the inner end of the handle panel, the arc-shaped connecting plate is fixedly connected to the outer wall of the glass tube, a handle groove is opened on the inner side of the outer end of the handle panel, an internal rubber pad is fixedly connected to the inner side of the handle groove on the handle panel, and an alarm control mechanism is fixedly connected to the outer wall of the handle panel.
[0020] Preferably, the alarm control mechanism includes a PLC, with an audible and visual alarm fixedly connected to the upper end of the PLC. The PLC and the audible and visual alarm are electrically connected via a connecting wire, and the PLC is mounted on the handle panel with screws.
[0021] Preferably, the sensing shielding mechanism includes a transparent shielding plate, an upper connecting plate fixedly connected to the upper end of the transparent shielding plate, upper sleeves fixedly connected to both ends of the upper connecting plate, upper bolts rotatably connected to the inner threads of the upper sleeves, an infrared transmitter installed in the middle of the inner side of the upper connecting plate by a screw, a lower connecting plate fixedly connected to the lower end of the transparent shielding plate, an infrared receiver installed in the middle of the inner side of the lower connecting plate by a screw, lower sleeves fixedly connected to both ends of the lower connecting plate, lower bolts rotatably connected to the inner threads of the lower sleeves, and the lower sleeves and upper sleeves sleeved on the side support rod.
[0022] Preferably, the infrared transmitter and the infrared receiver are positioned vertically opposite each other.
[0023] Preferably, the transparent shield is positioned in front of the observation slot.
[0024] (III) Beneficial Effects
[0025] Compared with the prior art, this utility model provides a glass rotor flowmeter with alarm protection, which has the following beneficial effects:
[0026] 1. The inductive shielding mechanism of this utility model can shield and protect the front middle of the outer protective mechanism. When the inductive shielding mechanism senses a destructive object, it will transmit the signal to the alarm control mechanism, and then the alarm control mechanism can issue an audible and visual warning.
[0027] 2. This utility model features an external protective structure that provides wrapping protection. The inner front end of the outer casing of the external protective structure has an observation slot, allowing personnel to easily observe the position of the float within the glass tube. Connecting ends are fixedly connected to both ends of the outer casing, effectively sealing the glass tube and protecting it. The outer casing and connecting ends are fixed to the periphery of the glass tube for stable placement and use. A lifting and carrying mechanism is fixed to the outer wall of the outer casing for easy gripping and carrying. Induction shielding mechanisms are installed at the front ends of the two side support rods for corresponding installation and placement. Attached Figure Description
[0028] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0029] Figure 2 This is a schematic diagram of the inductive shielding mechanism of this utility model;
[0030] Figure 3 This is a schematic diagram of the lifting and carrying mechanism and the alarm control mechanism of this utility model;
[0031] Figure 4 This is a schematic diagram of the glass testing mechanism of this utility model;
[0032] Figure 5 This is a schematic diagram of the outer wrapping and protective mechanism of this utility model.
[0033] In the picture:
[0034] 1. Upper connecting end; 2. Encasing shell; 21. Connecting end; 22. Side support rod; 23. Observation slot; 3. Glass tube; 31. Scale label; 32. Lower connecting pipe; 33. Upper connecting pipe; 34. Float; 4. PLC; 41. Audible and visual alarm; 5. Handle panel; 51. Handle slot; 52. Internal rubber pad; 53. Arc connecting plate; 6. Lower connecting plate; 61. Lower bolt; 62. Lower sleeve; 63. Upper connecting plate; 64. Upper sleeve; 65. Upper bolt; 7. Lower connecting end; 8. Infrared transmitter; 81. Infrared receiver; 82. Transparent shield. Detailed Implementation
[0035] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.
[0036] Example 1
[0037] This embodiment provides a technical solution: a glass rotor flowmeter with alarm protection, such as... Figures 1-5 As shown, it includes a glass detection mechanism, an outer protective wrapping mechanism, an upper connecting end 1, a lower connecting end 7, a sensor blocking mechanism, a lifting and carrying mechanism, and an alarm control mechanism.
[0038] The outer protective enclosure is installed around the glass detection mechanism, providing protection. The upper connecting end 1 is fixedly connected to the upper end of the glass detection mechanism, allowing it to connect to an upper pipe. The lower connecting end 7 is fixedly connected to the lower end of the glass detection mechanism, allowing it to connect to a lower pipe. A sensor-operated shielding mechanism is installed in the middle of the front end of the outer protective enclosure, providing shielding and sensing. A lifting and carrying mechanism is fixed to the outer wall of the outer protective enclosure, facilitating its grip and carrying. An alarm control mechanism is installed on the outer end of the lifting and carrying mechanism, electrically connected to an external power source via a connecting wire.
[0039] like Figure 1 , Figure 4 and Figure 5 As shown, the glass testing mechanism includes a glass tube 3. The outer wall of the glass tube 3 is laser-printed with a scale label 31 for easy viewing of corresponding flow data. A float 34 is fitted inside the glass tube 3, allowing the fluid to move up and down, thus detecting the fluid flow rate. An upper connecting pipe head 33 is fixedly connected to the upper end of the glass tube 3 for connection to the upper part. A lower connecting pipe head 32 is fixedly connected to the lower end of the glass tube 3 for connection to the lower part. The lower end of the lower connecting pipe head 32 is fixedly connected to the lower connecting end seat 7 for corresponding installation. The upper end of the lower connecting pipe head 32 is fixedly connected to the upper connecting end seat 1 for corresponding installation. An outer protective mechanism is fixedly attached to the periphery of the glass tube 3 for protection.
[0040] The outer protective mechanism includes a protective outer shell 2. An observation slot 23 is provided on the inner front side of the protective outer shell 2 to facilitate observation of the position of the float 34 in the glass tube 3. Connecting ends 21 are fixedly connected to both ends of the protective outer shell 2 to seal both ends. Side support rods 22 are symmetrically fixed between the two connecting ends 21 to provide effective support. The protective outer shell 2 and the connecting ends 21 are fixed to the periphery of the glass tube 3, so that it can be placed stably for use. A lifting and carrying mechanism is fixed to the outer wall of the protective outer shell 2 to facilitate carrying by personnel. The front ends of the two side support rods 22 are equipped with sensor shielding mechanisms so that they can be installed and placed accordingly.
[0041] In use, the glass detection mechanism is protected by an outer protective casing. The upper end of the glass detection mechanism can be connected to the upper pipe via the upper connecting end 1, and the lower end of the glass detection mechanism can be connected to the lower pipe via the lower connecting end 7. The sensing and blocking mechanism can block and detect objects at the front center of the outer protective casing. When carrying, it is easy for personnel to hold and pull the carrying mechanism to move the outer protective casing. The alarm control mechanism is electrically connected to an external power source via a connecting line. When the sensing and blocking mechanism detects a destructive object, it will transmit a signal to the alarm control mechanism, which will then issue an audible and visual warning.
[0042] Example 2
[0043] This embodiment is a further optimization based on Embodiment 1. The parts that are the same as those described above will not be repeated here. Figure 1 and Figure 3As shown, to further better realize this utility model, the following configuration is specifically adopted: The lifting and carrying mechanism includes a handle panel 5, and an arc connecting plate 53 is fixedly connected to the inner end of the handle panel 5. The handle panel 5 can be fixed to the outside through the arc connecting plate 53. The arc connecting plate 53 is fixed to the outer wall of the glass tube 3, so that it can be stably installed and placed. A handle groove hole 51 is opened on the inner side of the outer end of the handle panel 5, which is convenient for personnel to pass through and hold. An internal rubber pad 52 is fixedly connected to the inner side of the handle groove hole 51 on the handle panel 5. When holding, the rubber material of the internal rubber pad 52 effectively protects the personnel's hands. An alarm control mechanism is fixedly connected to the outer wall of the handle panel 5, which can play an alarm protection role.
[0044] The alarm control mechanism includes a PLC4, which can be programmed with corresponding data for automated control. An audible and visual alarm 41 is fixedly connected to the upper end of the PLC4. The PLC4 can control the audible and visual alarm 41 to emit sound and light for prompting. The PLC4 and the audible and visual alarm 41 are electrically connected by a connecting cable for easy electrical control. The PLC4 is mounted on the handle panel 5 with screws for easy placement and carrying.
[0045] Example 3
[0046] This embodiment is a further optimization based on Embodiment 1. The parts that are the same as those described above will not be repeated here. Figure 1 , Figure 2 and Figure 5 As shown, to further better realize this utility model, the following configuration is specifically adopted: The sensing shielding mechanism includes a transparent shielding plate 82, which can play a shielding and protective role. An upper connecting plate 63 is fixedly connected to the upper end of the transparent shielding plate 82, and upper sleeves 64 are fixedly connected to both ends of the upper connecting plate 63. The upper connecting plate 63 can be installed correspondingly through the upper sleeves 64. An upper bolt 65 is rotatably connected to the inner thread of the upper sleeve 64. After installation, it can be locked and fixed by the upper bolt 65. An infrared emitter 8 is installed in the middle of the inner side of the upper connecting plate 63 by screws. The infrared emitter 8 can emit infrared rays. A lower connecting plate 82 is fixedly connected to the lower end of the transparent shielding plate 82. An infrared receiver 81 is installed inside the lower connecting plate 6 by screws. The infrared receiver 81 can receive infrared rays emitted by the infrared transmitter 8 on the lower connecting plate 6 and sense them. When the signal is blocked, it will be transmitted to the PLC4. Then the PLC4 will automatically control the sound and light alarm 41 to provide sound and light prompts according to the set data. The two ends of the lower connecting plate 6 are fixed with lower sleeves 62. The lower connecting plate 6 can be installed and connected to the lower sleeves 62. The lower sleeves 62 are rotatably connected to the inner thread of the lower bolts 61, which can be locked and fixed. The lower sleeves 62 and the upper sleeves 64 are sleeved on the side support rods 22, so that the position can be adjusted up and down accordingly.
[0047] The infrared transmitter 8 and the infrared receiver 81 are positioned vertically to receive signals accordingly.
[0048] A transparent shield 82 is placed in front of the observation slot 23 to provide shielding and protection.
[0049] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.
Claims
1. A glass rotor flowmeter with alarm protection, characterized in that, include: Glass testing agency; An outer protective enclosure is provided, which is installed and connected to the periphery of the glass inspection mechanism. Upper connecting end seat (1), the upper connecting end seat (1) is fixedly connected to the upper end of the glass testing mechanism; The lower connecting end seat (7) is fixedly connected to the lower end of the glass testing mechanism; A sensor-activated shielding mechanism is installed and connected to the middle of the front end of the outer protective mechanism; A lifting and carrying mechanism, which is fixedly attached to the outer wall of the outer protective wrapping mechanism; An alarm control mechanism is installed and connected to the outer end of the lifting and carrying mechanism.
2. The glass rotor flowmeter with alarm protection according to claim 1, characterized in that: The glass testing mechanism includes a glass tube (3), the outer wall of which is laser-printed with a scale label (31), a float (34) is sleeved inside the glass tube (3), an upper connecting pipe head (33) is fixedly connected to the upper end of the glass tube (3), a lower connecting pipe head (32) is fixedly connected to the lower end of the glass tube (3), the lower end of the lower connecting pipe head (32) is fixedly connected to the lower connecting end seat (7), the upper end of the lower connecting pipe head (32) is fixedly connected to the upper connecting end seat (1), and an outer protective wrapping mechanism is fixedly connected to the periphery of the glass tube (3).
3. The glass rotor flowmeter with alarm protection according to claim 1 or 2, characterized in that: The outer protective mechanism includes a protective outer shell (2), an observation slot (23) is provided on the inner side of the front end of the protective outer shell (2), and connecting ends (21) are fixedly connected through both ends of the protective outer shell (2). Side support rods (22) are symmetrically fixed between the two connecting ends (21). The protective outer shell (2) and the connecting ends (21) are fixedly connected to the periphery of the glass tube (3). A lifting and carrying mechanism is fixedly connected to the outer wall of the glass tube (3). A sensor shielding mechanism is installed at the front end of the two side support rods (22).
4. The glass rotor flowmeter with alarm protection according to claim 3, characterized in that: The lifting and carrying mechanism includes a handle panel (5), an arc connecting plate (53) is fixed to the inner end of the handle panel (5), the arc connecting plate (53) is fixed to the outer wall of the glass tube (3), a handle groove hole (51) is opened on the inner side of the outer end of the handle panel (5), an inner rubber pad (52) is fixed to the inner side of the handle groove hole (51) on the handle panel (5), and an alarm control mechanism is fixed to the outer wall of the handle panel (5).
5. The glass rotor flowmeter with alarm protection according to claim 4, characterized in that: The alarm control mechanism includes a PLC (4), and an audible and visual alarm (41) is fixedly connected to the upper end of the PLC (4). The PLC (4) and the audible and visual alarm (41) are electrically connected by a connecting line. The PLC (4) is installed on the handle panel (5) by screws.
6. The glass rotor flowmeter with alarm protection according to claim 3, characterized in that: The sensing shielding mechanism includes a transparent shielding plate (82), an upper connecting plate (63) is fixedly connected to the upper end of the transparent shielding plate (82), an upper sleeve (64) is fixedly connected to both ends of the upper connecting plate (63), an upper bolt (65) is rotatably connected to the inner side of the upper sleeve (64), an infrared transmitter (8) is installed in the middle of the inner side of the upper connecting plate (63) by a screw, a lower connecting plate (6) is fixedly connected to the lower end of the transparent shielding plate (82), an infrared receiver (81) is installed in the middle of the inner side of the lower connecting plate (6) by a screw, a lower sleeve (62) is fixedly connected to both ends of the lower connecting plate (6), a lower bolt (61) is rotatably connected to the inner side of the lower sleeve (62), and the lower sleeve (62) and the upper sleeve (64) are sleeved on the side support rod (22).
7. The glass rotor flowmeter with alarm protection according to claim 6, characterized in that: The infrared transmitter (8) and infrared receiver (81) are positioned vertically.
8. The glass rotor flowmeter with alarm protection according to claim 6, characterized in that: The transparent shield (82) shields the front of the observation slot (23).
Citation Information
Patent Citations
Remote transmission type glass tube rotor flow meter
CN215726135U