CN210119268U - Liquid level sensor with high stability - Google Patents
Liquid level sensor with high stability Download PDFInfo
- Publication number
- CN210119268U CN210119268U CN201921084735.1U CN201921084735U CN210119268U CN 210119268 U CN210119268 U CN 210119268U CN 201921084735 U CN201921084735 U CN 201921084735U CN 210119268 U CN210119268 U CN 210119268U
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- sensor
- floating block
- liquid level
- blocking cover
- block
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Abstract
The utility model discloses a liquid level sensor with strong stability, in particular to the technical field of sensors, which comprises a sensor shell, wherein a sensor mounting plate is arranged at the rear side of the device shell, a sensor output head is arranged at the top of the sensor shell, a sensor circuit board is arranged inside the sensor shell, a magnetic induction element is arranged on the surface of the sensor circuit board, and a detection mechanism is arranged at one side of the sensor shell; the detection mechanism comprises a blocking cover, a floating positioning rod is arranged in the blocking cover, an upper floating block is arranged on the outer side of the floating positioning rod, and a lower floating block is arranged at the bottom of the upper floating block. The utility model discloses a keep off the side that the cover blockked the protection to the last kicking block of up-and-down motion and kicking block down, avoid the wave direct impact of the surface of water to go up kicking block and kicking block down, the liquid level data that avoids gathering floats from top to bottom acutely, improves liquid level data detection accuracy.
Description
Technical Field
The utility model relates to a sensor technical field, more specifically say, the utility model relates to a level sensor that stability is strong.
Background
The liquid level sensor basically measures the height of a liquid plane in liquid, and meets various scientific test detections.
The utility model patent of patent application publication No. cn201120393218.x discloses a liquid level sensor, which comprises a welding component, a floater, a circuit assembly and a sealing ring, wherein the welding component is a cavity with a closed lower end, the outer surface of the upper part is provided with an external thread which can be connected with the outside, and the lower part is in the shape of a cylindrical guide rod; the circuit assembly consists of filling resin, a reed switch and a connecting plug and is positioned in the upper cavity of the welding assembly; the magnet is positioned in the floater and sleeved on the cylindrical guide rod at the lower part of the welding assembly; the sealing ring is positioned beside the external thread on the upper part of the welding assembly and is fixed by a nut; a heat-shrinkable tube is arranged on the circuit assembly; and the middle part and the lower part of the welding assembly are respectively reinforced and fixed by a C-shaped clamp spring. The utility model discloses compact structure does not have phenomenons such as outside liquid leak-in or infiltration, and product long-life, operational reliability are high.
However, when the sensor is actually used, the sensor still has more defects, such as the influence of liquid level waves on the sensing floating head, the influence on the accuracy of detected data, and the influence on the use of the sensor.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a level sensor that stability is strong blocks the protection through the side that keeps off the upper floating block of cover to the up-and-down motion and lower floating block, avoids the wave direct impact of the surface of water to upper floating block and lower floating block for upper floating block and lower floating block are at the violent undulation on the liquid level, and the liquid level data that avoid gathering is unsteady from top to bottom acutely, improves liquid level data detection accuracy, with the problem of proposition in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a liquid level sensor with strong stability comprises a sensor shell, wherein a sensor mounting plate is arranged on the rear side of the device shell, a sensor output head is arranged at the top of the sensor shell, a sensor circuit board is arranged in the sensor shell, a magnetic induction element is arranged on the surface of the sensor circuit board, and a detection mechanism is arranged on one side of the sensor shell;
the detection mechanism comprises a blocking cover, a floating positioning rod is arranged in the blocking cover, an upper floating block is arranged on the outer side of the floating positioning rod, a lower floating block is arranged at the bottom of the upper floating block, a connecting sleeve is arranged on the top end face of the lower floating block, and a magnet ring is arranged between the upper floating block and the lower floating block.
In a preferred embodiment, the magnetic induction elements are arranged in a plurality and are uniformly arranged on the surface of the sensor circuit board, and the magnetic induction elements are matched with the magnetic rings.
In a preferred embodiment, the blocking cover is configured to be a circular arc, the two sides of the sensor housing are both provided with mounting fixing blocks, and the blocking cover is fixedly connected with the mounting fixing blocks through screws.
In a preferred embodiment, the upper floating block and the lower floating block are both made of resin plastics and are movably connected with the floating positioning rod.
In a preferred embodiment, the connecting sleeve is in threaded connection with the upper floating block, and the magnet ring is sleeved with the connecting sleeve and made of a permanent magnet.
In a preferred embodiment, a fixed rod is arranged at the bottom end of the floating positioning rod, a sliding buckle is arranged on the surface of the fixed rod, a spring is arranged between the sliding buckle and the blocking cover, and a clamping groove is arranged on the bottom surface of the lower floating block.
In a preferred embodiment, the top end of the floating positioning rod is bent towards the shield and fixedly connected with the shield, and the sensor shell and the shield are fixedly connected with the fixing rod.
In a preferred embodiment, the sliding buckle is slidably connected to the fixing rod, the spring is sleeved on the fixing rod, the sliding buckle is fastened to the buckle slot, and the buckle slot is shaped like a circular ring.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a setting up and keeping off the cover, utilize upper floating block and lower floating block centre gripping magnet circle, drive the magnet circle and follow the change up-and-down motion of liquid level, utilize the magnetic induction component induction magnet circle on the sensor circuit board, detect and obtain liquid level data, utilize and keep off the cover and block the protection to the side of the upper floating block and the lower floating block of up-and-down motion, the wave of avoiding the surface of water directly strikes upper floating block and lower floating block, make upper floating block and lower floating block acutely fluctuate on the liquid level, the liquid level data of avoiding gathering floats acutely from top to bottom, improve liquid level data detection accuracy;
2. the utility model discloses a set up the locating lever that floats, utilize last floating block and lower floating block to cup joint on the locating lever that floats, the vertical setting of locating lever that floats, make things convenient for magnet circle up-and-down motion, utilize connecting sleeve and come up a threaded connection, conveniently install magnet circle centre gripping between last floating block and lower floating block, make things convenient for the installation of sensor, it is fixed with the buckle groove lock joint on the lower floating block to utilize the slip knot, fix last floating block and lower floating block, avoid the sensor before the use, come up the piece and rock on the locating lever that floats with lower floating block, avoid the sensor impaired, influence the use of follow-up sensor.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic top sectional view of the shield of the present invention.
Fig. 3 is an explosion diagram of the upper floating block and the lower floating block of the present invention.
Fig. 4 is an overall schematic view of the shield of the present invention.
Fig. 5 is a schematic view of a portion a of fig. 1 according to the present invention.
The reference signs are: the sensor comprises a sensor shell 1, a sensor mounting plate 2, a sensor output head 3, a sensor circuit board 4, a magnetic induction element 5, a shield 6, a floating positioning rod 7, an upper floating block 8, a lower floating block 9, a connecting sleeve 10, a magnet ring 11, a mounting and fixing block 12, a screw 13, a fixing rod 14, a sliding buckle 15, a spring 16 and a buckle groove 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a liquid level sensor with strong stability as shown in figures 1-4, which comprises a sensor shell 1, wherein a sensor mounting plate 2 is arranged at the rear side of the device shell 1, a sensor output head 3 is arranged at the top of the sensor shell 1, a sensor circuit board 4 is arranged inside the sensor shell 1, a magnetic induction element 5 is arranged on the surface of the sensor circuit board 4, and a detection mechanism is arranged at one side of the sensor shell 1;
the detection mechanism comprises a blocking cover 6, a floating positioning rod 7 is arranged inside the blocking cover 6, an upper floating block 8 is arranged outside the floating positioning rod 7, a lower floating block 9 is arranged at the bottom of the upper floating block 8, a connecting sleeve 10 is arranged on the top end face of the lower floating block 9, and a magnet ring 11 is arranged between the upper floating block 8 and the lower floating block 9.
Further, the number of the magnetic induction elements 5 is set to be a plurality, and the magnetic induction elements 5 are uniformly arranged on the surface of the sensor circuit board 4, and the magnetic induction elements 5 are matched with the magnet rings 11.
Further, the shape of the blocking cover 6 is arc-shaped, the two sides of the sensor shell 1 are both provided with mounting fixing blocks 12, and the blocking cover 6 is fixedly connected with the mounting fixing blocks 12 through screws 13.
Further, the upper floating block 8 and the lower floating block 9 are both made of resin plastics, and the upper floating block 8 and the lower floating block 9 are both movably connected with the floating positioning rod 7.
Further, the connecting sleeve 10 is in threaded connection with the upper floating block 8, the magnet ring 11 is sleeved with the connecting sleeve 10, and the magnet ring 11 is made of a permanent magnet.
The implementation mode is specifically as follows: when the sensor is used, the upper floating block 8 and the lower floating block 9 clamp the magnet ring 11 to drive the magnet ring 11 to move up and down along with the change of the liquid level, the magnetic induction element 5 on the sensor circuit board 4 induces the magnet ring 11, liquid level data are detected according to the position of the magnetic induction element 5 of the magnet ring 11 induced on the sensor circuit board 4, the baffle cover 6 blocks and protects the side surfaces of the upper floating block 8 and the lower floating block 9 which move up and down, water can go into the baffle cover 6 from the bottom of the baffle cover 6, the height of the liquid level in the baffle cover 6 is consistent with the height of the liquid level outside the baffle cover 6 by using the principle of a communicating device, when waves on the water surface outside the baffle cover 6 directly impact the upper floating block 8 and the lower floating block 9, the upper floating block 8 and the lower floating block 9 can move violently on the liquid level, at the moment, the liquid level data obtained by induction detection float up and down violently, accurate liquid level data are, the liquid level in the shield cover 6 is prevented from fluctuating violently along with the waves, and the detection accuracy of the liquid level data is improved.
As shown in fig. 1-4, a fixing rod 14 is disposed at the bottom end of the floating positioning rod 7, a sliding buckle 15 is disposed on the surface of the fixing rod 14, a spring 16 is disposed between the sliding buckle 15 and the shield 6, and a fastening groove 17 is disposed on the bottom surface of the lower floating block 9.
Furthermore, the top end of the floating positioning rod 7 is bent towards the baffle cover 6 and is fixedly connected with the baffle cover 6, and the sensor shell 1 and the baffle cover 6 are both fixedly connected with the fixing rod 14.
Further, the sliding buckle 15 is slidably connected with the fixing rod 14, the spring 16 is sleeved with the fixing rod 14, the sliding buckle 15 is buckled with the buckle groove 17, and the buckle groove 17 is in a circular ring shape.
The implementation mode is specifically as follows: when the sensor is used, the sensor mounting plate 2 is fixedly mounted beside a water pool, the sensor is vertically arranged, the upper floating block 8 and the lower floating block 9 move up and down on the vertically arranged floating positioning rod 7 to facilitate the up-and-down movement circuit of the magnet ring 11 and the magnetic force of the magnet ring 11 sensed by the magnetic sensing element 5 to obtain liquid level data, when the magnet ring 11 is mounted, the connecting sleeve 10 is in threaded connection with the upper floating block 8, the magnet ring 11 is clamped and mounted between the upper floating block 8 and the lower floating block 9 to facilitate the mounting of the sensor, the magnet ring 11 is of a circular ring type, when the upper floating block 8 and the lower floating block 9 rotate on the floating positioning rod 7, the magnetic force between the magnet ring 11 and the magnetic sensing element 5 is unchanged, the influence on the data detection precision is avoided, before the sensor is used, the sliding buckle 15 is fixedly buckled with the buckle groove 17 on the lower floating block 9 to fix the upper floating block 8 and the lower floating block 9, go up the kicking block 8 promptly and fix in 7 bottoms of locating lever that float 9, avoid the sensor before using, receive in the sensor transportation and rock for example, the kicking block 8 rocks on locating lever 7 with lower kicking block 9, avoids the kicking block 8 and lower kicking block 9 damage, avoids the sensor impaired, influences the use of follow-up sensor.
The utility model discloses the theory of operation:
referring to the attached drawings 1-4 of the specification, when the sensor is used, the upper floating block 8 and the lower floating block 9 clamp the magnet ring 11 to drive the magnet ring 11 to move up and down along with the change of the liquid level, the magnetic induction element 5 on the sensor circuit board 4 induces the magnet ring 11, liquid level data are detected according to the position of the magnetic induction element 5 on the sensor circuit board 4, the side surfaces of the upper floating block 8 and the lower floating block 9 which move up and down are blocked and protected by the blocking cover 6, waves on the water surface are prevented from directly impacting the upper floating block 8 and the lower floating block 9, the upper floating block 8 and the lower floating block 9 move violently on the liquid level, the collected liquid level data are prevented from floating violently up and down, and the detection accuracy of the liquid level data is improved;
referring to the attached drawings 1 and 5 of the specification, when the sensor is used, the upper floating block 8 and the lower floating block 9 move up and down on the floating positioning rod 7 which is vertically arranged, an up-and-down movement circuit of the magnet ring 11 is facilitated, when the magnet ring 11 is installed, the connecting sleeve 10 is in threaded connection with the upper floating block 8, the magnet ring 11 is convenient to clamp and install between the upper floating block 8 and the lower floating block 9, the sensor is convenient to install, before the sensor is used, the sliding buckle 15 is fixedly fastened with the buckle groove 17 on the lower floating block 9, the upper floating block 8 and the lower floating block 9 are fixed, the sensor is prevented from shaking on the floating positioning rod 7 before being used, the sensor is prevented from being damaged, and the use of subsequent sensors is influenced.
And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A strong liquid level sensor of stability, includes sensor housing (1), its characterized in that: a sensor mounting plate (2) is arranged on the rear side of the sensor shell (1), a sensor output head (3) is arranged on the top of the sensor shell (1), a sensor circuit board (4) is arranged in the sensor shell (1), a magnetic induction element (5) is arranged on the surface of the sensor circuit board (4), and a detection mechanism is arranged on one side of the sensor shell (1);
the detection mechanism comprises a blocking cover (6), a floating positioning rod (7) is arranged inside the blocking cover (6), an upper floating block (8) is arranged outside the floating positioning rod (7), a lower floating block (9) is arranged at the bottom of the upper floating block (8), a connecting sleeve (10) is arranged on the top end face of the lower floating block (9), and a magnet ring (11) is arranged between the upper floating block (8) and the lower floating block (9).
2. A robust level sensor as defined in claim 1, wherein: magnetic induction component (5) quantity sets up to a plurality ofly, and align to grid sets up in sensor circuit board (4) surface, magnetic induction component (5) and magnet circle (11) phase-match.
3. A robust level sensor as defined in claim 1, wherein: the sensor is characterized in that the blocking cover (6) is arc-shaped, the two sides of the sensor shell (1) are respectively provided with an installation fixing block (12), and the blocking cover (6) is fixedly connected with the installation fixing blocks (12) through screws (13).
4. A robust level sensor as defined in claim 1, wherein: the upper floating block (8) and the lower floating block (9) are both made of resin plastics, and the upper floating block (8) and the lower floating block (9) are both movably connected with the floating positioning rod (7).
5. A robust level sensor as defined in claim 1, wherein: connecting sleeve (10) and come-up piece (8) threaded connection, magnet circle (11) cup joint with connecting sleeve (10), magnet circle (11) are made by the permanent magnet.
6. A robust level sensor as defined in claim 1, wherein: the bottom end of the floating positioning rod (7) is provided with a fixing rod (14), the surface of the fixing rod (14) is provided with a sliding buckle (15), a spring (16) is arranged between the sliding buckle (15) and the blocking cover (6), and the bottom surface of the lower floating block (9) is provided with a clamping groove (17).
7. A robust liquid level sensor as defined in claim 6, wherein: the top end of the floating positioning rod (7) is bent towards the blocking cover (6) and is fixedly connected with the blocking cover (6), and the sensor shell (1) and the blocking cover (6) are fixedly connected with the fixing rod (14).
8. A robust liquid level sensor as defined in claim 6, wherein: the sliding buckle (15) is connected with the fixing rod (14) in a sliding mode, the spring (16) is sleeved with the fixing rod (14), the sliding buckle (15) is buckled with the buckle groove (17), and the buckle groove (17) is of an annular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084735.1U CN210119268U (en) | 2019-07-12 | 2019-07-12 | Liquid level sensor with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084735.1U CN210119268U (en) | 2019-07-12 | 2019-07-12 | Liquid level sensor with high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210119268U true CN210119268U (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921084735.1U Expired - Fee Related CN210119268U (en) | 2019-07-12 | 2019-07-12 | Liquid level sensor with high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210119268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278284A (en) * | 2020-10-30 | 2021-01-29 | 南京拓攻自动驾驶技术研究院有限公司 | Liquid level monitoring device and plant protection unmanned aerial vehicle comprising same |
-
2019
- 2019-07-12 CN CN201921084735.1U patent/CN210119268U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278284A (en) * | 2020-10-30 | 2021-01-29 | 南京拓攻自动驾驶技术研究院有限公司 | Liquid level monitoring device and plant protection unmanned aerial vehicle comprising same |
| CN112278284B (en) * | 2020-10-30 | 2021-12-03 | 南京拓攻自动驾驶技术研究院有限公司 | Liquid level monitoring device and plant protection unmanned aerial vehicle comprising same |
| WO2022088207A1 (en) * | 2020-10-30 | 2022-05-05 | 南京拓攻自动驾驶技术研究院有限公司 | Liquid level monitoring device and plant protection unmanned aerial vehicle comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: No. 601, unit 1, building 1, laoyuandi lane, Erzhong Road, Yaodu District, Linfen City, Shanxi Province Patentee after: Liu Xuexia Address before: 154000 Jiamusi University, no.258, Xuefu Road, Xiangyang District, Jiamusi City, Heilongjiang Province Patentee before: JIAMUSI University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200228 Termination date: 20200712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |