阅读说明：本技术 一种基于桥堆防止直流电源反接电路的荧光法传感器 (Fluorescence method sensor for preventing direct current power supply reverse connection circuit based on bridge rectifier ) 是由 蒋永年 蒋鑫池 于 2019-10-25 设计创作，主要内容包括：本发明公开了一种基于桥堆防止直流电源反接电路的荧光法传感器,涉及电路用辅助装置技术领域,为解决现有的荧光法传感器在使用时常常由于电源反接而导致荧光法传感器无法正常使用的问题。所述荧光法传感器壳体的一端设置有盖板放置槽,所述盖板放置槽的内壁设置有防尘密封海绵,且防尘密封海绵与盖板放置槽固定连接,所述防尘密封海绵的内部设置有传感器壳盖板,且传感器壳盖板与盖板放置槽通过卡槽连接,所述传感器壳盖板的下端设置有连接固定块,且连接固定块与荧光法传感器壳体通过螺钉连接,所述荧光法传感器壳体的两端均设置有轴承活动槽,所述荧光法传感器壳体的两侧均设置有L型固定滑动块。(The invention discloses a fluorescence sensor for preventing a direct-current power supply from being reversely connected on the basis of a bridge rectifier, relates to the technical field of auxiliary devices for circuits, and aims to solve the problem that the existing fluorescence sensor cannot be normally used due to reverse connection of a power supply when in use. The one end of fluorescence method sensor housing is provided with the apron standing groove, the inner wall of apron standing groove is provided with the dust sealing sponge, and dust sealing sponge and apron standing groove fixed connection, the inside of dust sealing sponge is provided with the sensor shell apron, and the sensor shell apron passes through the draw-in groove with the apron standing groove and is connected, the lower extreme of sensor shell apron is provided with connects the fixed block, and connects the fixed block and pass through the screw connection with fluorescence method sensor housing, fluorescence method sensor housing's both ends all are provided with the bearing movable groove, fluorescence method sensor housing's both sides all are provided with the fixed sliding block of L type.)

1. A fluorimetry sensor based on bridge rectifier prevents that DC power supply from reversing circuit, includes fluorimetry sensor casing (1), its characterized in that: one end of the fluorescence method sensor shell (1) is provided with a cover plate placing groove (7), the inner wall of the cover plate placing groove (7) is provided with a dustproof sealing sponge (8), the dustproof sealing sponge (8) is fixedly connected with the cover plate placing groove (7), a sensor shell cover plate (4) is arranged inside the dustproof sealing sponge (8), the sensor shell cover plate (4) is connected with the cover plate placing groove (7) through a clamping groove, the lower end of the sensor shell cover plate (4) is provided with a connecting fixing block (9), the connecting fixing block (9) is connected with the fluorescence method sensor shell (1) through a screw, two ends of the fluorescence method sensor shell (1) are provided with bearing movable grooves (15), two sides of the fluorescence method sensor shell (1) are provided with L-shaped fixed sliding blocks (6), the inside of the bearing movable grooves (15) is provided with a bearing rotating outer ring (17), the bearing rotating outer ring (17) is internally provided with a bearing fixing inner ring (19), the bearing fixing inner ring (19) is rotatably connected with the bearing rotating outer ring (17) through a bearing ball (18), a connecting thread column (16) is arranged at the middle position below the L-shaped fixed sliding block (6), the connecting thread column (16) is welded with the L-shaped fixed sliding block (6), a limit stop (14) is arranged above the bearing movable groove (15), the limit stop (14) is fixedly connected with the bearing movable groove (15), one end of the limit stop (14) is provided with a separation baffle (12), the separation baffle (12) is fixedly connected with the bearing movable groove (15), a thread column movable groove (11) is arranged inside the limit stop (14), and the other end of the connecting thread column (16) penetrates through and extends into the thread column movable groove (11), the other end of the connecting threaded column (16) is in threaded rotary connection with a bearing fixing inner ring (19).

2. The fluorometric sensor of claim 1, wherein the bridge-stack based anti-reverse circuit for DC power is: and both ends of the lower part of the fluorescence sensor shell (1) are provided with lower fixing screw holes (2).

3. The fluorometric sensor of claim 1, wherein the bridge-stack based anti-reverse circuit for DC power is: the lower extreme of fluorescence method sensor housing (1) one side is provided with spacing fixed block (3), and spacing fixed block (3) and fluorescence method sensor housing (1) welded connection.

4. The fluorometric sensor of claim 3, wherein the bridge-stack based anti-reverse circuit for DC power is: the lower part of one side of the limiting fixed block (3) is provided with a limiting fixed hook block (10), and the limiting fixed hook block (10) is connected with the limiting fixed block (3) in a welding mode.

5. The fluorometric sensor of claim 1, wherein the bridge-stack based anti-reverse circuit for DC power is: a fluorescent lamp bulb (5) is arranged above the fluorescent method sensor shell (1), and the fluorescent lamp bulb (5) is connected with the fluorescent method sensor shell (1) through a clamping groove.

6. The fluorometric sensor of claim 1, wherein the bridge-stack based anti-reverse circuit for DC power is: an anti-collision rubber block (13) is arranged on one side of the fluorescence method sensor shell (1), and the anti-collision rubber block (13) is connected with the fluorescence method sensor shell (1) through screws.

7. The fluorometric sensor of claim 1, wherein the bridge-stack based anti-reverse circuit for DC power is: the fluorescence method sensor shell (1) is characterized in that a circuit board (20) is arranged inside the fluorescence method sensor shell (1), a bridge stack (21) is arranged above one side of the circuit board (20), an electrolytic capacitor (22) is arranged below the bridge stack (21), a ceramic capacitor (23) is arranged below the electrolytic capacitor (22), a pin of the bridge stack (21) is electrically connected with a twelve V voltage negative electrode, a pin of the bridge stack (21) is electrically connected with the twelve V voltage negative electrode, a pin of the bridge stack (21) is electrically connected with a positive electrode of the electrolytic capacitor (22) and a positive electrode of the ceramic capacitor (23), and a pin of the bridge stack (21) is electrically connected with a negative electrode of the electrolytic capacitor (22) and a negative electrode of the ceramic capacitor (23).

Technical Field

The invention relates to the technical field of auxiliary devices for circuits, in particular to a fluorescence method sensor for preventing a direct current power supply from being reversely connected with a circuit based on a bridge rectifier.

Background

With the rapid development of economy in China, the technological level in China is continuously improved, sensors are mostly used at present, fluorescence sensors are recently appeared in the sensors, the fluorescence sensors are novel ultraviolet light sensors capable of detecting substances emitting ultraviolet light, such as grease, glue, labels, wood, clothes, rubber, oil paintings, fluorescent ink, fluorescent chalk and the like, UVX can more reliably record the production process, and the reliability of the UVX is improved by many times compared with that of a common visual system.

The existing fluorescence sensor is often used, and the fluorescence sensor cannot be normally used due to reverse connection of a power supply, so that the fluorescence sensor based on a bridge stack circuit for preventing reverse connection of a direct-current power supply is provided.

Disclosure of Invention

The invention aims to provide a fluorescence sensor based on a bridge rectifier for preventing a direct current power supply from being reversely connected, and aims to solve the problem that the existing fluorescence sensor cannot be normally used due to reverse connection of a power supply when in use.

In order to achieve the purpose, the invention provides the following technical scheme: a fluorescence sensor based on bridge rectifier for preventing a direct current power supply from being reversely connected comprises a fluorescence sensor shell, wherein one end of the fluorescence sensor shell is provided with a cover plate placing groove, the inner wall of the cover plate placing groove is provided with a dustproof sealing sponge, the dustproof sealing sponge is fixedly connected with the cover plate placing groove, a sensor shell cover plate is arranged inside the dustproof sealing sponge and is connected with the cover plate placing groove through a clamping groove, the lower end of the sensor shell cover plate is provided with a connecting fixing block, the connecting fixing block is connected with the fluorescence sensor shell through a screw, two ends of the fluorescence sensor shell are respectively provided with a bearing movable groove, two sides of the fluorescence sensor shell are respectively provided with an L-shaped fixing sliding block, a bearing rotating outer ring is arranged inside the bearing movable groove, and a bearing fixing inner ring is arranged inside the bearing rotating outer ring, and the bearing fixed inner circle rotates with the bearing and is connected through the bearing ball, intermediate position department below the fixed sliding block of L type is provided with the connecting thread post, and connecting thread post and the fixed sliding block welded connection of L type, the top in bearing movable groove is provided with limit stop, and limit stop and bearing movable groove fixed connection, limit stop's one end is provided with the partition baffle, and separates baffle and bearing movable groove fixed connection, limit stop's inside is provided with screw thread post movable groove, the other end of connecting thread post runs through and extends to the inside in screw thread post movable groove, the other end of connecting thread post passes through the screw thread rotation with the fixed inner circle of bearing and is connected.

Preferably, both ends of the lower part of the shell of the fluorescence sensor are provided with lower fixing screw holes.

Preferably, the lower extreme of fluorescence method sensor housing one side is provided with spacing fixed block, and spacing fixed block and fluorescence method sensor housing welded connection.

Preferably, the lower part of one side of the limiting fixed block is provided with a limiting fixed hook block, and the limiting fixed hook block is connected with the limiting fixed block in a welding manner.

Preferably, a fluorescent lamp bulb is arranged above the fluorescent sensor shell, and the fluorescent lamp bulb is connected with the fluorescent sensor shell through a clamping groove.

Preferably, one side of the fluorescence sensor shell is provided with an anti-collision rubber block, and the anti-collision rubber block is connected with the fluorescence sensor shell through a screw.

Preferably, the fluorescence sensor shell is internally provided with a circuit board, a bridge stack is arranged above one side of the circuit board, an electrolytic capacitor is arranged below the bridge stack, a ceramic capacitor is arranged below the electrolytic capacitor, a first pin of the bridge stack is electrically connected with a twelve-volt negative electrode, a third pin of the bridge stack is electrically connected with the twelve-volt negative electrode, a second pin of the bridge stack is electrically connected with a positive electrode of the electrolytic capacitor and a positive electrode of the ceramic capacitor, and a fourth pin of the bridge stack is electrically connected with a negative electrode of the electrolytic capacitor and a negative electrode of the ceramic capacitor.

Compared with the prior art, the invention has the beneficial effects that:

1. compared with the existing auxiliary device for the circuit, the fluorescence sensor based on the bridge rectifier for preventing the direct-current power supply from being reversely connected is provided with the bridge rectifier circuit, the electrolytic capacitor and the ceramic capacitor, the current of the circuit can be more stable due to the design of the bridge rectifier circuit, the power supply can be reversely connected due to the design of the electrolytic capacitor and the ceramic capacitor, and the problem that the fluorescence sensor cannot be normally used due to the fact that the power supply is reversely connected when the existing fluorescence sensor is used is solved.

2. Compared with the existing auxiliary device for the circuit, the fluorescence sensor based on the bridge rectifier for preventing the reverse connection of the direct-current power supply is provided with the anti-collision rubber block, the anti-collision rubber block is designed to enable the fluorescence sensor to be more soft when being fixed with a fixed position, and the problem that when the existing fluorescence sensor is used, due to the fact that the vibration force is too large, the internal elements of the fluorescence sensor are damaged and cannot be used normally is solved.

3. This kind of fluorescence method sensor based on bridge rectifier prevents that DC power supply from reversing circuit compares with current auxiliary device for the circuit, has been equipped with the dustproof sealing sponge, and the design of dustproof sealing sponge can let the gap between sensor shell apron and the apron standing groove littleer, has solved the inside unable normal use problem that leads to the fluorescence method sensor that leads to of dust entering fluorescence method sensor housing.

Drawings

FIG. 1 is a rear elevational view of the overall construction of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a diagram showing the connection between the L-shaped fixed slider and the shell of the fluorometric sensor of the present invention;

FIG. 4 is a schematic diagram of the circuit of the present invention;

fig. 5 is an overall cross-sectional view of the present invention.

In the figure: 1. a fluorometric sensor housing; 2. a lower set screw hole; 3. a limit fixing block; 4. a sensor housing cover plate; 5. a fluorescent lamp bulb; 6. an L-shaped fixed sliding block; 7. a cover plate placing groove; 8. a dust-proof sealing sponge; 9. connecting a fixed block; 10. limiting and fixing the hook block; 11. a threaded post movable groove; 12. a separation baffle; 13. an anti-collision rubber block; 14. a limit stop block; 15. a bearing movable groove; 16. connecting the threaded columns; 17. the bearing rotates the outer ring; 18. a bearing ball; 19. the bearing fixes the inner ring; 20. a circuit board; 21. bridge rectifier; 22. an electrolytic capacitor; 23. a ceramic capacitor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: a fluorescence sensor based on bridge rectifier for preventing a direct current power supply reverse connection circuit comprises a fluorescence sensor shell 1, wherein one end of the fluorescence sensor shell 1 is provided with a cover plate placing groove 7, the cover plate placing groove 7 is designed to enable a sensor shell cover plate 4 to be fixed more conveniently, the inner wall of the cover plate placing groove 7 is provided with a dustproof sealing sponge 8, the dustproof sealing sponge 8 is fixedly connected with the cover plate placing groove 7, the dustproof sealing sponge 8 is designed to effectively prevent dust from entering the fluorescence sensor shell 1, the sensor shell cover plate 4 is arranged inside the dustproof sealing sponge 8, the sensor shell cover plate 4 is connected with the cover plate placing groove 7 through a clamping groove, the connection between the sensor shell cover plate 4 and the cover plate placing groove 7 is firmer, the lower end of the sensor shell cover plate 4 is provided with a connecting fixing block 9, and the connecting fixing block 9 is connected with the fluorescence sensor shell 1 through a screw, the connection fixing block 9 and the shell 1 of the fluorescence sensor are connected more firmly, bearing movable grooves 15 are arranged at two ends of the shell 1 of the fluorescence sensor, the bearing movable grooves 15 are designed to facilitate the placement of bearings, L-shaped fixed sliding blocks 6 are arranged at two sides of the shell 1 of the fluorescence sensor, the shell 1 of the fluorescence sensor can be fixed more firmly by the design of the L-shaped fixed sliding blocks 6, a bearing rotating outer ring 17 is arranged inside the bearing movable grooves 15, a bearing fixing inner ring 19 is arranged inside the bearing rotating outer ring 17, the bearing fixing inner ring 19 is rotatably connected with the bearing rotating outer ring 17 through bearing balls 18, the connection between the bearing fixing inner ring 19 and the bearing rotating outer ring 17 is firmer, a connecting threaded column 16 is arranged at the middle position below the L-shaped fixed sliding block 6, and the connecting threaded column 16 is welded with the L-shaped fixed sliding block 6, let connecting thread post 16 and the fixed sliding block 6 of L type be connected more firmly, bearing movable groove 15's top is provided with limit stop 14, and limit stop 14 and bearing movable groove 15 fixed connection, limit stop 14's design can restrict the home range of the fixed sliding block of L type, limit stop 14's one end is provided with partition baffle 12, and partition baffle 12 and bearing movable groove 15 fixed connection, limit stop 14's inside is provided with screw thread post movable groove 11, connecting thread post 16's the other end runs through and extends to the inside of screw thread post movable groove 11, connecting thread post 16's the other end passes through the screw thread rotation with bearing fixed inner circle 19 and is connected, let connecting thread post 16's the other end and bearing fixed inner circle 19 be connected more firmly.

Further, both ends of the lower portion of the shell 1 of the fluorescence sensor are provided with lower fixing screw holes 2, and the design of the lower fixing screw holes 2 can enable the fluorescence sensor to be fixed more firmly.

Further, the lower extreme of fluorescence method sensor housing 1 one side is provided with spacing fixed block 3, and spacing fixed block 3 and fluorescence method sensor housing 1 welded connection let spacing fixed block 3 and fluorescence method sensor housing 1 be connected more firmly, and the design of spacing fixed block 3 can let this kind of fluorescence method sensor fixed more firmly.

Further, the below of 3 one sides of spacing fixed block is provided with spacing fixed hook piece 10, and spacing fixed hook piece 10 and 3 welded connection of spacing fixed block let spacing fixed hook piece 10 more firm with being connected of spacing fixed block 3.

Further, a fluorescent lamp bulb 5 is arranged above the fluorescent sensor shell 1, the fluorescent lamp bulb 5 is connected with the fluorescent sensor shell 1 through a clamping groove, the fluorescent lamp bulb 5 is connected with the fluorescent sensor shell 1 more firmly, and the fluorescent sensor is sensitive to sensing due to the design of the fluorescent lamp bulb 5.

Further, one side of the fluorescence method sensor shell 1 is provided with an anti-collision rubber block 13, the anti-collision rubber block 13 is connected with the fluorescence method sensor shell 1 through screws, the anti-collision rubber block 13 is more firmly connected with the fluorescence method sensor shell 1, and the design of the anti-collision rubber block 13 can reduce the collision force generated by the fluorescence method sensor during vibration.

Further, a circuit board 20 is arranged inside the fluorescence sensor shell 1, a bridge stack 21 is arranged above one side of the circuit board 20, an electrolytic capacitor 22 is arranged below the bridge stack 21, a ceramic capacitor 23 is arranged below the electrolytic capacitor 22, a first pin of the bridge stack 21 is electrically connected with a twelve-volt negative electrode, a third pin of the bridge stack 21 is electrically connected with a twelve-volt negative electrode, a second pin of the bridge stack 21 is electrically connected with a positive electrode of the electrolytic capacitor 22 and a positive electrode of the ceramic capacitor 23, a fourth pin of the bridge stack 21 is electrically connected with a negative electrode of the electrolytic capacitor 22 and a negative electrode of the ceramic capacitor 23, and the design of the bridge stack 21, the electrolytic capacitor 22 and the ceramic capacitor 23 can not cause the problem that the fluorescence sensor cannot be normally used when a power supply is reversely connected.

The working principle is as follows: when the anti-collision rubber block type fluorescence sensor is used, the bridge rectifier circuit inside the fluorescence sensor shell 1 is connected with an electrolytic capacitor and a ceramic capacitor in parallel, the design of the electrolytic capacitor and the ceramic capacitor can prevent the fluorescence sensor from being used normally due to reverse connection of a power supply, then the fluorescence sensor is placed at a fixed position, the lower fixing screw hole 2 is fixed at the position capable of being fixed, the L-shaped fixing sliding block 6 is shifted to one side of the anti-collision rubber block 13 by a hand, the L-shaped fixing sliding block 6 can drive the bearing to rotate the outer ring 17 at the moment, the rotation of the bearing rotating outer ring 17 can reduce the friction force between the bearing rotating outer ring 17 and the bearing movable groove 15, and meanwhile, the fluorescence sensor shell 1 can be fixed through the limiting fixing block 3, the limiting fixing hook block 10 and the fluorescence sensor shell 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.