Split flow sensor

By designing a split-type flow sensor, the probe and signal module are separated and the signal is transmitted remotely, which solves the problems of difficult maintenance and accuracy degradation of existing flow sensors in high-risk environments, and realizes rapid and safe disassembly and assembly and high-precision measurement.

CN224471106UActive Publication Date: 2026-07-07HEINLANZ TIANJIN IND TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEINLANZ TIANJIN IND TECH CO LTD
Filing Date
2025-09-28
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing flow sensors have high installation and maintenance costs, high operation and maintenance risks in high-risk environments, and their measurement accuracy decreases under harsh conditions such as high temperature and vibration, limiting their adaptability.

Method used

The design adopts a split-type design, separating the flow sensor probe from the signal acquisition amplifier module and connecting them through a high-temperature cable. The probe and quick-release assembly are installed on the detection flange, and combined with the cable protection assembly, it enables quick assembly and disassembly and remote signal transmission.

Benefits of technology

It reduces maintenance costs and risks, improves system adaptability and measurement accuracy, supports rapid and safe disassembly and assembly in high-risk environments, and avoids complete shutdown.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224471106U_ABST
    Figure CN224471106U_ABST
Patent Text Reader

Abstract

The utility model discloses a split type flow sensor, including flow sensor probe, flow sensor probe passes through high temperature cable connection signal acquisition amplifier module, be provided with a plurality of cable interfaces on the signal acquisition amplifier module, be provided with quick detach assembly on flow sensor probe, quick detach assembly installs on the detection flange, the utility model relates to flow sensor technical field, the flow sensor of this split type design, will sensitive probe and electronic module separate, and the probe is connected with the detection flange of the closed valve through quick detach assembly, supports high -risk environment fast safe dismounting, high temperature FEP cable remote transmission signal makes electronic module far away from the severe working condition, guarantees precision and life, cable protection component alleviates stress, significantly reduces maintenance cost and risk, improves system adaptability and reliability.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of flow sensor technology, specifically a split-type flow sensor. Background Technology

[0002] In modern industrial production and daily life, in order to accurately monitor data such as fluid usage, the precise measurement of fluid flow directly affects production efficiency, energy management and safety compliance in fields such as industrial process control, smart water management and environmental monitoring. However, many liquids in industry are dangerous and have high temperatures, and manual measurement is extremely inconvenient in many situations.

[0003] Existing flow sensors typically employ an integrated design, which has the following drawbacks: 1. High installation and maintenance costs; replacement or repair requires a complete shutdown, significantly increasing maintenance risks in high-risk environments such as explosion-proof areas and corrosive media areas; 2. Limited adaptability; harsh operating conditions such as high temperatures and vibrations can cause electronic components to fail and measurement accuracy to decrease. In view of these issues, this case was developed through in-depth research. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides a name and solves the existing background technology problems.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a split-type flow sensor, including a flow sensor probe, the flow sensor probe being connected to a signal acquisition amplifier module via a high-temperature cable, the signal acquisition amplifier module being provided with several cable interfaces, the flow sensor probe being provided with a quick-release assembly, and the quick-release assembly being installed on a detection flange;

[0006] The testing flange is a round tube, and a mounting platform is provided in the middle section of the testing flange. A positioning hole is provided on the mounting platform.

[0007] The quick-release assembly includes a fixing plate, which is integrally mounted on the flow sensor probe. The fixing plate has a partially conical structure. The flow sensor probe is inserted through a positioning hole. At least one pair of locking blocks are provided on both sides of the fixing plate. A pair of locking slots are provided on the mounting platform. The pair of locking blocks matches the pair of locking slots.

[0008] A cable protection component is provided on one side of the fixing plate, through which the high-temperature cable passes, and the cable protection component wraps and protects the high-temperature cable.

[0009] Preferably, a pair of flanges are provided on both sides of the testing flange, and a plurality of flange holes are arranged in a ring array on the pair of flanges.

[0010] Preferably, the mounting platform is a columnar plate, and a sealing valve is provided on the mounting platform, the sealing valve being a gate valve.

[0011] Preferably, the high-temperature cable is an FEP material cable, and the end of the fixing plate is provided with a closed ring sleeve, and the positioning hole is limited by the closed ring sleeve.

[0012] Preferably, the head end of the card block is provided with a tenon, and the card slot is provided with a limiting groove, the limiting groove and the tenon mutually limiting each other.

[0013] Preferably, the cable protection assembly includes a movable seat, on which a rotating seat is fitted. The rotating seat has a conical structure, and a guide bend extends from the upper part of the rotating seat. The high-temperature cable passes through the movable seat and the rotating seat, extending out from the guide bend.

[0014] This invention provides a split-type flow sensor. It offers the following advantages: The split-type design separates the sensitive probe from the electronic module. The probe connects to a detection flange with a sealing valve via a quick-release assembly, supporting rapid and safe assembly and disassembly in high-risk environments; the high-temperature FEP cable enables remote signal transmission, keeping the electronic module away from harsh operating conditions and ensuring accuracy and lifespan; the cable protection component alleviates stress; and it significantly reduces maintenance costs and risks, improving system adaptability and reliability. Attached Figure Description

[0015] Figure 1 This is a first three-dimensional structural diagram of the split-type flow sensor described in this utility model.

[0016] Figure 2 This is a schematic diagram of the second three-dimensional structure of the split-type flow sensor described in this utility model.

[0017] Figure 3 This is a schematic diagram of the third three-dimensional structure of the split-type flow sensor described in this utility model.

[0018] In the diagram: 1. Flow sensor probe; 2. High-temperature cable; 3. Signal acquisition amplifier module; 4. Cable interface; 5. Quick-release assembly; 6. Detection flange; 7. Cable protection assembly; 51. Mounting platform; 52. Fixing plate; 53. Clip; 54. Slot; 55. Sealing valve; 56. Tenon; 71. Movable seat; 72. Rotating seat; 73. Guide bend. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-3 This utility model provides an implementation scheme: Existing flow sensors usually adopt an integrated design structure. This design has the following defects: high installation and maintenance costs, replacement or repair requires a complete shutdown, the maintenance risk in high-risk environments, such as explosion-proof areas and corrosive media areas increases dramatically, the adaptability is limited, and harsh working conditions such as high temperature / vibration can cause electronic components to fail and measurement accuracy to decrease.

[0021] To address the aforementioned issues, this application discloses a split-type flow sensor, including a flow sensor probe 1. The flow sensor probe 1 is connected to a signal acquisition amplifier module 3 located in a safe or mild area via a high-temperature cable 2 that is resistant to high temperatures and has a stable signal. The signal acquisition amplifier module 3 is provided with several cable interfaces 4. The flow sensor probe 1 is provided with a quick-release assembly 5, which is mounted on a detection flange 6.

[0022] The detection flange 6 is a round pipe. A pair of flanges are provided on both sides of the detection flange 6. Several pairs of flange holes are arranged in a ring on the pair of flanges for firmly installing the detection flange 6 on the process pipeline. A columnar mounting platform 51 is provided in the middle section of the detection flange 6. The mounting platform 51 is provided with positioning holes and a closing valve 55 is provided on the mounting platform 51. The closing valve 55 is a gate valve, which can be closed before the probe is removed to block the pipeline medium and ensure operational safety.

[0023] The quick-release assembly 5 includes a fixing plate 52. The flow sensor probe 1 is integrally provided with the fixing plate 52, which has a partially conical structure. The flow sensor probe 1 is inserted through the positioning hole. The end of the fixing plate 52 is provided with a closing ring. The positioning hole and the closing ring limit to form a preliminary seal and guide. At least one pair of locking blocks 53 are provided on both sides of the fixing plate 52. A pair of locking slots 54 are provided on the mounting platform 51. The pair of locking blocks 53 and the pair of locking slots 54 are matched. The head end of the locking block 53 is provided with a locking tenon 56. The locking slot 54 is provided with a limiting groove. The limiting groove and the locking tenon 56 limit each other to achieve quick locking and unlocking.

[0024] A cable protection component 7 is provided on one side of the fixed plate 52. The high-temperature cable 2 passes through the cable protection component 7. The cable protection component 7 wraps and protects the high-temperature cable 2. The cable protection component 7 includes a movable seat 71. A rotating seat 72 is fitted on the movable seat 71. The rotating seat 72 has a conical structure. A guide bend 73 extends from the upper part of the rotating seat 72. The high-temperature cable 2 passes through the movable seat 71 and the rotating seat 72 and extends out from the guide bend 73, which can adjust the cable direction and relieve stress.

[0025] As a preferred option, the inspection flange 6 is further provided with a pair of flanges on both sides, and a number of flange holes are arranged in a ring on the pair of flanges.

[0026] As a preferred option, the mounting platform 51 is a columnar structure plate, and a closing valve 55 is installed on the mounting platform 51. The closing valve 55 is a gate valve.

[0027] As a preferred option, the high-temperature cable 2 is made of FEP material, which has excellent high temperature resistance and corrosion resistance. The end of the fixing plate 52 is provided with a closed ring, and the positioning hole is limited by the closed ring.

[0028] As a preferred option, the head end of the locking block 53 is provided with a locking tenon 56, and the locking groove 54 is provided with a limiting groove, which limits the locking tenon 56 to each other.

[0029] As a preferred embodiment, the cable protection assembly 7 further includes a movable seat 71, on which a rotating seat 72 is fitted. The rotating seat 72 has a conical structure, and a guide bend 73 extends from the upper part of the rotating seat 72. The high-temperature cable 2 passes through the movable seat 71 and the rotating seat 72 extends out from the guide bend 73.

[0030] Workflow Summary: During installation, the detection flange 6 is fixed to the process pipeline using a flange. The shut-off valve 55 on the mounting platform 51 is closed. The flow sensor probe 1 is inserted through the positioning hole. The closing ring of the fixing plate 52 guides the probe by engaging with the positioning hole. The probe is rotated so that the locking block 53 aligns with the locking groove 54 and is inserted until the locking tenon 56 slides into the limiting groove and locks in place. The probe is then quickly fixed. The shut-off valve 55 is opened, and the medium flows through the probe for measurement. The probe signal is transmitted to the remote signal acquisition amplifier module 3 for processing via the high-temperature cable 2. During maintenance, the shut-off valve 55 is closed to block the medium, and the locking tenon 56 and the limiting groove are unlocked. The probe can then be quickly removed for inspection or replacement without interrupting the line. The movable seat 71 and rotating seat 72 of the cable protection assembly 7 can adjust the direction of the guide bend 73, optimizing the cable routing and reducing mechanical stress.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A split-type flow sensor, comprising a flow sensor probe (1), wherein the flow sensor probe (1) is connected to a signal acquisition amplifier module (3) via a high-temperature cable (2), characterized in that, The signal acquisition amplifier module (3) is provided with several cable interfaces (4), and the flow sensor probe (1) is provided with a quick-release assembly (5), which is installed on the detection flange (6). The testing flange (6) is a round tube, and a mounting platform (51) is provided in the middle section of the testing flange (6). The mounting platform (51) is provided with positioning holes. The quick-release assembly (5) includes a fixing plate (52), which is integrally provided on the flow sensor probe (1). The fixing plate (52) has a partially conical structure. The flow sensor probe (1) is inserted through a positioning hole. At least one pair of locking blocks (53) are provided on both sides of the fixing plate (52). A pair of slots (54) are provided on the mounting platform (51). The pair of locking blocks (53) matches the pair of slots (54). A cable protection component (7) is provided on one side of the fixing plate (52), through which the high-temperature cable (2) passes, and the cable protection component (7) wraps and protects the high-temperature cable (2).

2. The split-type flow sensor according to claim 1, characterized in that, The testing flange (6) has a pair of flanges on both sides, and a number of flange holes are arranged in a ring on the pair of flanges.

3. The split-type flow sensor according to claim 2, characterized in that, The mounting platform (51) is a columnar plate, and a closing valve (55) is provided on the mounting platform (51). The closing valve (55) is a gate valve.

4. The split-type flow sensor according to claim 3, characterized in that, The high-temperature cable (2) is an FEP material cable, and the end of the fixing plate (52) is provided with a closed ring sleeve, and the positioning hole is limited by the closed ring sleeve.

5. The split-type flow sensor according to claim 4, characterized in that, The head end of the card block (53) is provided with a tenon (56), and the card groove (54) is provided with a limiting groove, which limits the tenon (56) to each other.

6. The split-type flow sensor according to claim 5, characterized in that, The cable protection assembly (7) includes a movable seat (71), on which a rotating seat (72) is fitted. The rotating seat (72) has a conical structure, and a guide bend (73) extends from the upper part of the rotating seat (72). The high-temperature cable (2) passes through the movable seat (71) and the rotating seat (72) and extends out from the guide bend (73).