Lamp body assembly of water quality tester

Abstract

The utility model discloses a lamp body assembly of a water quality tester, which comprises a lamp cap, a gland, a lamp holder and a bottom cover which are sequentially matched from top to bottom and are fixedly connected through connecting pieces, a plurality of LED lamp mounting positions for mounting LED lamps with different wavelengths are arranged on the upper surface and the lower surface of the lamp holder, and a filter mounting position and a light detection receiver mounting position are arranged on the lamp holder and are in central symmetry with the LED lamp mounting positions; and the LED lamp mounting position, the filter mounting position and the light detection receiver mounting position which correspond to the same group are positioned on the same straight line. The lamp holder is of a circular structure that the LED lamps are arranged up and down, at most eight-channel single-wavelength LED optical devices can be installed, the wavelengths of the LED optical devices are different, the function of testing multiple water quality parameters is achieved, the appearance is attractive, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the field of water quality measurement, in particular to a lamp body component of a water quality measuring instrument. Background Art

[0002] Water quality detector is a professional instrument used to analyze the content of water components. It mainly refers to instruments for measuring COD, ammonia nitrogen, total phosphorus, total nitrogen and other items in water. In order to protect the water environment, it is necessary to strengthen the monitoring of sewage discharge. Water quality detector plays an important role in environmental protection and water resource protection.

[0003] Among them, water quality chromaticity is one of the important indicators for evaluating the concentration and transparency of dissolved substances in water bodies. Chromaticity measurement is carried out by observing the absorption, scattering and transmission of visible light by suspended particles or dissolved substances in water bodies. This measurement can provide important information about the degree of water pollution and suitability, and is one of the important means of monitoring environmental water quality. The lamp body assembly for measuring water quality is frequently used as a common item in water quality measuring instruments. The functions are basically the same, but the appearance and structure of each lamp body assembly are significantly different. The lamp body assembly of the prior art generally has only a single group of single-wavelength LED optical channels, and the existing lamp bodies are mostly rectangular channel-type. If multiple groups of LED optical channels with different wavelengths are set, the current lamp body cannot meet the structural requirements. Utility Model Content

[0004] The purpose of the utility model is to provide a lamp body assembly for a water quality measuring instrument in order to solve the above-mentioned problem.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A lamp body assembly of a water quality measuring instrument comprises a lamp cap, a pressure cover, a lamp holder and a bottom cover, wherein the four components are matched in sequence from top to bottom and fixedly connected by a connecting piece;

[0007] The upper surface and the lower surface of the lamp holder are both provided with a plurality of LED lamp installation positions for installing LED lamps of different wavelengths, and the lamp holder is provided with a filter installation position and a light detector receiver installation position at a position symmetrical to the center of the LED lamp installation position;

[0008] The LED lamp installation position, the filter installation position and the light detector receiver installation position of the same corresponding group are on the same straight line.

[0009] Preferably, the lamp holder is circular;

[0010] The upper surface of the lamp holder is provided with 4 LED lamp mounting positions, and the 4 LED lamp mounting positions on the upper surface and the corresponding 4 filter mounting positions are evenly arranged along the circumference;

[0011] The lower surface of the lamp holder is provided with four LED lamp mounting positions, and the four LED lamp mounting positions on the lower surface and the corresponding four filter mounting positions are evenly arranged along the circumference.

[0012] Preferably, a positioning hole is provided on the lamp holder, and a positioning pin is provided on the bottom cover, and the positioning pin cooperates with the positioning hole for positioning.

[0013] Preferably, a positioning groove is provided on the outer side of each LED lamp installation position and the outer side of each optical detector receiver installation position;

[0014] An equal number of positioning protrusions are provided on the corresponding positioning grooves on the bottom cover and the pressure cover, corresponding LED lamp limiting blocks are provided on the corresponding LED lamp installation positions, corresponding filter limiting grooves are provided on the corresponding filter installation positions, and corresponding optical detector receiver limiting grooves are provided on the corresponding optical detector receiver installation positions.

[0015] Preferably, a wiring groove is provided outside the positioning groove.

[0016] As a preferred structure, the LED lamp installation position on the upper surface corresponds to the filter installation position and optical detector receiver installation position of other groups on the lower surface, and the filter installation position and optical detector receiver installation position on the upper surface correspond to the LED lamp installation position of other groups below.

[0017] Preferably, the LED lamp installation position is a long groove, and the bottom of the long groove is arc-shaped;

[0018] The filter installation position adopts a 90° V-shaped slot structure, and the 90° V-shaped slot structure is used to place the filter;

[0019] The installation position of the optical probe receiver is a square slot.

[0020] Preferably, the lamp holder comprises a lamp socket and a connecting plate, the lamp socket and the connecting plate are integrally formed, and the connecting plate is cooperatively connected with the pressure cover.

[0021] The beneficial effect is that the lamp holder of the present application adopts a circular structure with LED lamps arranged up and down, and can install up to 8 channels of single-wavelength LED optical devices. Each LED optical device has a different wavelength, realizing the function of testing multiple water quality parameters, and has beautiful appearance and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is the front view of the utility model;

[0024] Figure 2 The utility model is a three-dimensional Figure 1 ;

[0025] Figure 3 The utility model is a three-dimensional Figure 2 ;

[0026] Figure 4 It is an exploded view of the utility model;

[0027] Figure 5 This is a structural diagram of the lamp holder of the utility model;

[0028] Figure 6 It is a three-dimensional diagram of the lamp holder of the utility model;

[0029] Figure 7 The utility model is a three-dimensional structure of a lamp holder Figure 1 ;

[0030] Figure 8 The utility model is a three-dimensional structure of a lamp holder Figure 2 ;

[0031] Fig. 9 This is a bottom view of the lamp holder of the utility model;

[0032] Fig.10 This is a top view of the lamp holder of the utility model;

[0033] Fig.11 It is a three-dimensional diagram of the bottom cover of the utility model;

[0034] Fig.12 It is a stereoscopic diagram of the gland of the utility model.

[0035] The following are the descriptions of the reference numerals:

[0036] 1. Lamp holder; 101. Lamp socket; 102. Connecting plate; 2. Pressure cover; 3. Lamp holder; 301. LED lamp installation position; 302. Filter installation position; 303. Positioning groove; 304. Optical detector receiver installation position; 305. Positioning hole; 4. Bottom cover; 401. Positioning protrusion; 402. LED lamp limit block; 403. Positioning pin; 404. Optical detector receiver limit groove; 405. Filter limit groove. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0038] See also Figure 1-Figure 12 As shown, the utility model provides a lamp body assembly of a water quality measuring instrument, including a lamp head 1, a pressure cover 2, a lamp holder 3 and a bottom cover 4. These four components are matched in sequence from top to bottom and fixedly connected by connecting parts, and the connecting parts are preferably screws. The upper surface and the lower surface of the lamp holder 3 are both provided with a plurality of LED lamp mounting positions 301 for installing LED lamps of different wavelengths. A filter mounting position 302 and a light detector receiver mounting position 304 are provided on the lamp holder 3 at a position symmetrical to the center of the LED lamp mounting position 301, for installing filters and light detector receivers. The LED lamp mounting position 301, the filter mounting position 302 and the light detector receiver mounting position 304 corresponding to the same group are on the same straight line, and the filter mounting position 302 is close to the center of the lamp holder 3, and the light detector receiver mounting position is close to the outer side of the lamp holder 3.

[0039] By adopting the above technical scheme, a plurality of groups of LED lights are respectively arranged on the front and back sides of the lamp holder 3 structure, and these LED lights have different wavelengths. For example, the wavelengths of the LED lights arranged on the upper surface are 420nm, 470nm, 510nm, and 520nm, respectively, and the wavelengths of the LED lights arranged on the lower surface are 540nm, 610nm, 660nm, and 700nm, respectively. When measuring different water quality indicators, LED lights of corresponding wavelengths can be used, which can realize the function of testing multiple water quality parameters and is very convenient to use.

[0040] As a preferred embodiment of this case, refer to Figure 7-Figure 10 As shown, the lamp holder 3 is circular; the upper surface of the lamp holder 3 is provided with 4 LED lamp mounting positions 301, and the 4 LED lamp mounting positions 301 on the upper surface and the corresponding 4 filter mounting positions 302 are evenly arranged along the circumference; the lower surface of the lamp holder 3 is provided with 4 LED lamp mounting positions 301, and the 4 LED lamp mounting positions 301 on the lower surface and the corresponding 4 filter mounting positions 302 are evenly arranged along the circumference.

[0041] In order to facilitate the cooperation and positioning of the lamp holder 3 with the pressure cover 2 and the bottom cover 4, the lamp holder 3 is provided with a positioning hole 305, and the bottom cover 4 is provided with a positioning pin 403, and the positioning pin 403 cooperates with the positioning hole 305 for positioning.

[0042] For further reference, Figure 7 and Figure 8 , each LED lamp installation position 301 and each optical detector receiver installation position 304 are provided with a positioning groove 303; the bottom cover 4 and the pressure cover 2 are provided with an equal number of positioning protrusions 401 corresponding to the positioning grooves 303, the corresponding LED lamp installation position 301 is provided with a corresponding LED lamp stop block 402, the corresponding filter installation position 302 is provided with a corresponding filter stop groove 405, and the corresponding optical detector receiver installation position 304 is provided with a corresponding optical detector receiver stop groove 404. The outer side of the positioning groove 303 is provided with a wiring groove for easy wiring.

[0043] As an optional embodiment, the LED lamp installation position 301 on the upper surface corresponds to the filter installation position 302 and the optical detector receiver installation position 304 of the other group on the lower surface, and the filter installation position 302 and the optical detector receiver installation position 304 on the upper surface correspond to the LED lamp installation position 301 of the other group. The staggered LED lamp installation position 301 design can better utilize the space of the lamp holder 3.

[0044] Specifically, the LED lamp mounting position 301 is a long groove, and the bottom of the long groove is arc-shaped; the filter mounting position 302 adopts a 90° V-shaped groove structure, and the 90° V-shaped groove structure is used to place the filter; the optical detector receiver mounting position 304 is a square groove body, and the optical detector receiver is installed close to the outer side of the circular lamp holder 3.

[0045] For further reference, Figure 5 As shown, the lamp holder 1 includes a lamp holder 101 and a connection plate 102, the lamp holder 101 and the connection plate 102 are integrally formed, and the connection plate 102 is cooperatively connected with the gland 2. When in use, a test tube is put into the lamp body assembly from the lamp holder 101 for testing.

[0046] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A lamp assembly for a water quality measuring instrument, characterized in that: It includes a lamp cap, a pressure cap, a lamp holder and a bottom cover, and these four parts are matched in sequence from top to bottom and fixedly connected by a connecting piece; The upper surface and the lower surface of the lamp holder are both provided with a plurality of LED lamp installation positions for installing LED lamps of different wavelengths, and the lamp holder is provided with a filter installation position and a light detector receiver installation position at a position symmetrical to the center of the LED lamp installation position; The LED lamp installation position, the filter installation position and the light detector receiver installation position of the same corresponding group are on the same straight line.

2. The lamp assembly of the water quality measuring instrument according to claim 1, characterized in that: The lamp holder is circular; The upper surface of the lamp holder is provided with 4 LED lamp mounting positions, and the 4 LED lamp mounting positions on the upper surface and the corresponding 4 filter mounting positions are evenly arranged along the circumference; The lower surface of the lamp holder is provided with four LED lamp mounting positions, and the four LED lamp mounting positions on the lower surface and the corresponding four filter mounting positions are evenly arranged along the circumference.

3. The lamp assembly of the water quality measuring instrument according to claim 2, characterized in that: The lamp holder is provided with a positioning hole, the bottom cover is provided with a positioning pin, and the positioning pin cooperates with the positioning hole for positioning.

4. A lamp assembly for a water quality measuring instrument according to claim 2 or 3, characterized in that: A positioning groove is provided on the outside of each LED light installation position and the outside of each optical detector receiver installation position; An equal number of positioning protrusions are provided on the corresponding positioning grooves on the bottom cover and the pressure cover, corresponding LED lamp limiting blocks are provided on the corresponding LED lamp installation positions, corresponding filter limiting grooves are provided on the corresponding filter installation positions, and corresponding optical detector receiver limiting grooves are provided on the corresponding optical detector receiver installation positions.

5. The lamp assembly of the water quality measuring instrument according to claim 4, characterized in that: A wiring groove is arranged on the outer side of the positioning groove.

6. The lamp assembly of the water quality measuring instrument according to claim 4, characterized in that: The LED lamp installation position on the upper surface corresponds to the filter installation position and the optical detector receiver installation position of other groups on the lower surface, and the filter installation position and the optical detector receiver installation position on the upper surface correspond to the LED lamp installation position of other groups below.

7. The lamp assembly of the water quality measuring instrument according to claim 6, characterized in that: The LED lamp installation position is in the form of a long groove, and the bottom of the long groove is in an arc shape; The filter installation position adopts a 90° V-shaped slot structure, and the 90° V-shaped slot structure is used to place the filter; The installation position of the optical probe receiver is a square slot.

8. The lamp assembly of the water quality measuring instrument according to claim 1, characterized in that: The lamp holder comprises a lamp socket and a connecting plate, the lamp socket and the connecting plate are integrally formed, and the connecting plate is cooperatively connected with the pressure cover.

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