CN220019349U

CN220019349U - Residual chlorine detector

Info

Publication number: CN220019349U
Application number: CN202321049769.3U
Authority: CN
Inventors: 曹能清
Original assignee: Dongguan Shengshan Electronic Technology Co ltd
Current assignee: Dongguan Shengshan Electronic Technology Co ltd
Priority date: 2023-04-29
Filing date: 2023-04-29
Publication date: 2023-11-14
Anticipated expiration: 2033-04-29

Abstract

The utility model discloses a residual chlorine detector which comprises a bottom shell, a surface shell and an optical bracket, wherein the surface shell is arranged on the bottom shell, the optical bracket is fixed at the front end of the bottom shell, a blue light emitting plate and a contrast light receiving plate are respectively arranged at two sides of the optical bracket, the blue light emitting plate is of a parallel light collecting structure, optical path long guide pipes are formed at two sides of the optical bracket, focusing lenses are arranged in the optical path long guide pipes, a transparent cover is arranged in the middle of the optical bracket, the optical path long guide pipes are arranged at two sides of the transparent cover, and a contrast color test bottle is inserted into the transparent cover. The residual chlorine detector adopts a parallel light structure and a focusing structure on the light path, so that concentricity of the light emitting end and the light receiving end of the bracket is increased, interference of other light rays is avoided due to the design of the long light path guide tube, accuracy of residual chlorine detection is ensured, and application adaptability is improved.

Description

Residual chlorine detector

Technical Field

The utility model relates to the technical field of test instruments, in particular to a residual chlorine detector.

Background

Residual chlorine means chlorine content in which chlorine is added to water and a part of chlorine is left in addition to the part consumed by bacteria, microorganisms, organic matters, etc. in water, and is called residual chlorine. Excessive residual chlorine can cause harm to human body, so the national standard 'sanitary Standard for Drinking Water' prescribes that: the residual quantity in the factory water is more than or equal to 0.3mg/L, the residual quantity in the peripheral water of the household pipe network is more than or equal to 0.05mg/L, and the drinking water does not contain residual chlorine.

In order to ensure the content of residual chlorine, the residual chlorine in water needs to be detected, in a conventional residual chlorine detecting instrument, blue light emission is adopted to penetrate through water quality, a contrast light is adopted to receive signals, the residual chlorine content is obtained through data processing of a signal main board, but a light path is not processed, light is easy to diverge, the detection precision is reduced, and a transmitting end and a receiving end cannot be maintained on the same straight line, so that the detection capability is affected.

Disclosure of Invention

One object of the present utility model is to: the residual chlorine detector is provided, a parallel light collecting and focusing structure is added, concentricity of a transmitting end and a receiving end of a light path is guaranteed, and occurrence of interference light is reduced.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a residual chlorine detector, includes drain pan, face-piece and optical bracket, the face-piece lid is in on the drain pan, the optical bracket is fixed the front end of drain pan, the both sides of optical bracket are provided with blue light emitting plate and contrast light receiving plate respectively, blue light emitting plate is for gathering the parallel light structure, the both sides shaping of optical bracket has the long guide of light path, install focusing lens in the long guide of light path, the mid-mounting of optical bracket has the translucent cover, the long guide of light path is located the both sides of translucent cover, the inside of translucent cover has been inserted contrast color test bottle.

As an optimized technical scheme, the bottom shell is provided with a main board, the face shell is provided with a display screen, and the display screen and the contrast light receiving board are connected with the main board through signals.

As a preferable technical scheme, a sponge is arranged between the display screen and the face shell.

As a preferable technical scheme, the main board is elastically connected with a silica gel key, and the silica gel key penetrates through the face shell outwards.

As a preferable technical scheme, the panel shell is covered with a panel.

As a preferable technical scheme, the bottleneck of the contrast color test bottle penetrates through the face shell outwards, and the silica gel bottle cap is covered on the contrast color test bottle.

As an optimized technical scheme, a battery compartment cover is fixed on the bottom shell, and a battery pack is mounted on the battery compartment cover.

As a preferable technical scheme, the rear end of the bottom shell is provided with a cover opening, and a battery cover plate is covered on the cover opening.

As an optimized technical scheme, a small cover is arranged above the battery cover plate, a lock catch is arranged on the battery cover plate, and the lock catch penetrates through the battery cover plate and then is connected with the lock catch.

The beneficial effects of the utility model are as follows: the utility model provides a residual chlorine detector, this residual chlorine detector has adopted parallel light structure and focusing structure on the light path, has increased the concentricity that the emission end of support assurance light and receiving end to designed the long guide tube of light path and avoided the interference of other light, guaranteed residual chlorine detection's accuracy, improved the adaptability of using.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

FIG. 1 is a first perspective view of a residual chlorine detector according to an embodiment;

FIG. 2 is a second perspective view of a residual chlorine detector according to an embodiment;

FIG. 3 is an internal structural diagram of a residual chlorine detector according to an embodiment;

FIG. 4 is an assembled block diagram of an optical bracket according to an embodiment;

fig. 5 is an exploded view of a residual chlorine detector according to an embodiment.

In fig. 1 to 5:

1. a bottom case; 2. a face shell; 3. an optical bracket; 4. a blue light emitting plate; 5. a contrast light receiving plate; 6. an optical path length guide tube; 7. a focusing lens; 8. a transparent cover; 9. a contrast color test bottle; 10. a main board; 11. a display screen; 12. a sponge; 13. a silica gel key; 14. a panel; 15. silica gel bottle cap; 16. a battery compartment cover; 17. a battery pack; 18. a battery cover plate; 19. a small cover; 20. and (5) locking.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 5, in this embodiment, a residual chlorine detector includes a bottom shell 1, a surface shell 2 and an optical bracket 3, wherein the surface shell 2 is covered on the bottom shell 1, the optical bracket 3 is fixed at the front end of the bottom shell 1, two sides of the optical bracket 3 are respectively provided with a blue light emitting plate 4 and a contrast light receiving plate 5, the blue light emitting plate 4 is of a light collecting parallel structure, two sides of the optical bracket 3 are formed with light path length guiding pipes 6, focusing lenses 7 are installed in the light path length guiding pipes 6, a transparent cover 8 is installed in the middle of the optical bracket 3, the light path length guiding pipes 6 are located at two sides of the transparent cover 8, and a contrast color testing bottle 9 is inserted in the transparent cover 8.

When the device is used, water to be detected is pre-filled in the contrast color test bottle 9, the blue light is emitted by the blue light emitting plate 4 and is emitted in a straight line under the structural effect of the parallel light, the light passes through the focusing lens 7 through the guidance of the light path length guiding tube 6, and finally, the light is focused on the contrast light receiving plate 5 to receive signals, and the signals are fed back to the face shell 2 for display.

The extended field is that the light ratio color of perchloric acid, ozone, heavy metal and the like detects the water quality content, and the structure can be adopted for detection.

Be provided with mainboard 10 on the drain pan 1, be provided with display screen 11 on the face-piece 2, display screen 11 and contrast light-receiving plate 5 all with mainboard 10 signal connection, contrast light-receiving plate 5 transmits to mainboard 10 after receiving the signal, carries out the conversion of signal by mainboard 10, shows from display screen 11 again.

A sponge 12 is arranged between the display screen 11 and the face shell 2, and the sponge 12 can effectively protect the display screen 11 from being in hard contact with the face shell 2, so that the display capability of the display screen 11 is protected.

The main board 10 is elastically connected with a silica gel key 13, the silica gel key 13 passes through the face shell 2 outwards, and the detection of residual chlorine is controlled through different silica gel keys 13.

The face housing 2 is covered with a panel 14, and the panel 14 is used for decorating and displaying corresponding detection information and guiding operation information.

The bottleneck of contrast color test bottle 9 passes face-piece 2 outwards, and contrast color test bottle 9 upper cover has silica gel bottle lid 15, opens silica gel bottle lid 15 and puts into contrast color test bottle 9 again, just can detect after covering silica gel bottle lid 15.

The battery pack 17 is installed on the battery bin cover 16, a cover opening is formed in the rear end of the bottom shell 1, a battery cover plate 18 is covered on the cover opening, a small cover 19 is arranged above the battery cover plate 18, a lock catch 20 is arranged on the battery cover plate 18, the lock catch 20 penetrates through the battery cover plate 18 and then is connected with the lock catch 20, the lock catch 20 is opened, the battery cover plate 18 is loosened, the corresponding battery pack 17 can be put into the battery pack to supply power, and the battery cover plate 18 is covered and then locked on the small cover 19 by the lock catch 20 for fixing.

It should be noted that the above embodiments are merely preferred embodiments of the present utility model and the applied technical principles, and any changes or substitutions easily conceivable to those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.

Claims

1. The utility model provides a residual chlorine detector, its characterized in that, includes drain pan, face-piece and optical bracket, the face cap is in on the drain pan, the optical bracket is fixed the front end of drain pan, the both sides of optical bracket are provided with blue light emitting plate and contrast light receiving plate respectively, blue light emitting plate is the structure of gathering parallel light, the both sides shaping of optical bracket has the long guide of light path, install focusing lens in the long guide of light path, the mid-mounting of optical bracket has the translucent cover, the long guide of light path is located the both sides of translucent cover, the inside of translucent cover has been inserted contrast color test bottle.

2. The residual chlorine detector according to claim 1, wherein a main board is provided on the bottom case, a display screen is provided on the face case, and the display screen and the contrast light receiving plate are both in signal connection with the main board.

3. The residual chlorine detector of claim 2, wherein a sponge is disposed between the display screen and the face housing.

4. The residual chlorine detector according to claim 2, wherein a silica gel key is elastically connected to the main board, and the silica gel key passes through the face shell to be outward.

5. The residual chlorine detector of claim 1, wherein the face housing is covered with a faceplate.

6. The residual chlorine detector according to claim 1, wherein the opening of the contrast color test bottle is outwards penetrated through the face shell, and a silica gel bottle cap is covered on the contrast color test bottle.

7. The residual chlorine detector of claim 1, wherein a battery compartment cover is fixed on the bottom shell, and a battery pack is mounted on the battery compartment cover.

8. The residual chlorine detector as claimed in claim 7, wherein a lid is provided at a rear end of the bottom case, and a battery cover is provided on the lid.

9. The residual chlorine detector according to claim 8, wherein a small cover is arranged above the battery cover plate, and a lock catch is arranged on the battery cover plate and connected with the lock catch after penetrating through the battery cover plate.