CN213337351U

CN213337351U - Coliform group water quality analyzer

Info

Publication number: CN213337351U
Application number: CN202022048326.5U
Authority: CN
Inventors: 王栋; 袁芳; 葛华丽; 王德华
Original assignee: Beijing Jingxiang Environmental Technology Co ltd
Current assignee: Beijing Jingxiang Environmental Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-01
Anticipated expiration: 2030-09-17

Abstract

The utility model provides a water quality analyzer for coliform group, which comprises a cabinet body, wherein the bottom of the cabinet body is provided with universal wheels; a first cavity and a second cavity are arranged in the cabinet body, a first cabinet door and a second cabinet door are respectively hinged on the first cavity and the second cavity, a display screen is arranged on the first cabinet door, an analyzer host connected with the display screen is arranged in the first cavity, and an insulation can is arranged in the second cavity; the insulation can is arranged at the bottom of the second chamber through an insulation can bracket; a bracket is arranged in the heat preservation box, a heating device is arranged at the bottom of the bracket, and a culture disc is arranged on the bracket; the top of the heat preservation box is provided with an opening, and the opening is connected with a box cover in a sliding way through a sliding component; a fluorescence spectrophotometer is arranged at the position, right opposite to the opening, of the bottom of the transverse plate; a peristaltic pump is arranged in the second chamber through a fixing frame; the analyzer avoids the problem of low service life of the analyzer host caused by placing the culture disc and the analyzer host in a space.

Description

Coliform group water quality analyzer

Technical Field

The utility model belongs to the analytical equipment field, in particular to coliform group water quality analyzer.

Background

Escherichia coli is a common bacterium in human and animal intestinal tracts, is usually discharged together with human and animal excrement, is widely distributed in environments such as water, food and the like in which human beings rely for survival, and is an internationally recognized general index for checking the safety of various water qualities and food epidemiology. Coli can cause hemorrhagic enteritis in humans and even death.

Coli assays include traditional multi-tube fermentation (MTF) and Membrane Filtration (MF). China takes the MTF method as a standard detection method. In order to achieve confirmation and quantitative detection, bacterial colonies are counted by a plate counting method after samples are cultured in a culture dish for 24-72 hours, the detection method needs to carry out various complicated analysis tests and culture medium preparation in a laboratory, the culture time is long, the sensitivity is poor, professional technicians are needed for completing the detection, and the rapid detection on site is difficult to realize. For this reason, CN102175661A discloses an online analyzer for escherichia coli, which can realize rapid and sensitive detection. However, the analyzer main board, the sensor and other devices in the analyzer are placed in the incubator together with the culture tray, so that the service life of the analyzer main board is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a coliform group water quality analyzer.

One of the technical solutions of the present invention provides a water quality analyzer for coliform group, the analyzer includes a cabinet body, the bottom of the cabinet body is provided with universal wheels; a transverse plate is arranged in the cabinet body, the transverse plate divides the cabinet body into a first cavity and a second cavity, a first cabinet door and a second cabinet door are respectively hinged to the first cavity and the second cavity, a display screen is arranged on the first cabinet door, an analyzer host connected with the display screen is arranged in the first cavity, and an insulation can is arranged in the second cavity; the heat insulation box is arranged at the bottom of the second cavity through a heat insulation box bracket; a bracket is arranged in the heat preservation box, a heating device is arranged at the bottom of the bracket, and a culture disc is arranged on the bracket; an opening is formed in the top of the heat insulation box, and a box cover is connected to the opening in a sliding mode through a sliding assembly; a fluorescence spectrophotometer is arranged at the bottom of the transverse plate opposite to the opening; a peristaltic pump is arranged in the second chamber through a fixing frame, an outlet pipe of the peristaltic pump extends into the heat insulation box and is connected with the culture disc, and an inlet pipe extends out of the second chamber and is connected with an external sample pipe.

In a further improved scheme, an emptying peristaltic pump is connected to the culture tray.

In a further improved scheme, a box cover groove and a sliding groove which are communicated with the opening are respectively arranged on two sides of the opening at the top of the heat insulation box, a threaded opening is formed in the side wall of the heat insulation box through the sliding groove, and a sliding rail is arranged at the bottom of the sliding groove.

In a further improved scheme, the sliding assembly comprises a driving motor arranged on the inner side wall of the second chamber through a second fixing frame, and the driving motor is controlled through a button arranged on the outer side wall of the second chamber; an output shaft of the driving motor is connected with a screw rod in threaded connection with the threaded port through a coupler, and a sliding block is sleeved on the screw rod and is in threaded connection with the screw rod; the sliding block can slide along the sliding rail and is fixedly connected with the box cover.

In the further improved scheme, the inner side wall of the culture disc is provided with an annular bulge, the annular bulge is provided with a filter screen, and the filter screen is provided with non-woven fabrics.

When the water quality analyzer for the coliform group provided by the utility model is used, the peristaltic pump pumps the water quality to be detected into the culture tray (the culture medium in the culture tray can be added through the opening), and then the water quality is cultured for 6 h; in the culture process, the opening of the heat preservation box is closed, and the heating device is controlled by the analyzer host through the temperature sensor, so that the temperature in the heat preservation box is constant to 37 ℃; after 6h of culture, the button on the outer side wall of the second cavity is pressed, the driving motor rotates to drive the screw to rotate, the screw drives the sliding block to move towards the direction of the threaded opening along the sliding rail, then the opening is opened, the fluorescence spectrophotometer is controlled by the analyzer host to measure the fluorescence intensity at the position of 366nm, and the measurement result is displayed on the display through fluorescence intensity-escherichia coli concentration conversion. The utility model provides a coliform group water quality analyzer will cultivate dish and analysis appearance host computer structure separately, has guaranteed the independent culture to avoided cultivating dish and analysis appearance host computer to put the low problem of analysis appearance host computer life who causes in a space.

Drawings

FIG. 1 is a perspective view of an apparatus for analyzing water quality of coliform bacteria according to some embodiments;

FIG. 2 is a longitudinal sectional view of an coliform water quality analyzer provided in some embodiments;

FIG. 3 is an enlarged sectional view of the incubator;

FIG. 4 is an enlarged view of the slide assembly;

FIG. 5 is an enlarged sectional view of the culture dish.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings.

Some embodiments of the utility model provide a coliform group water quality analyzer, as shown in fig. 1, the analyzer includes a cabinet body 10, and the bottom of the cabinet body 10 is provided with universal wheels 11; as shown in fig. 2, a transverse plate 12 is arranged in the cabinet body 10, the transverse plate 12 divides the cabinet body 10 into a first chamber 13 and a second chamber 14, wherein the transverse plate is bonded or welded with the inner wall of the cabinet body; with continued reference to fig. 1, the first and

second chambers

13 and 14 are respectively hinged with a first door 15 and a second door 16, and in some preferred embodiments, the first and second chambers are hinged with the first and second doors through hinges; a display screen 20 is arranged on the first cabinet door 15, and with reference to fig. 2, an analyzer host 30 connected with the display screen 20 is arranged in the first chamber 13, and an incubator 40 is arranged in the second chamber 14; the insulation box 40 is arranged at the bottom of the second chamber 14 through an insulation box bracket 41; a bracket 42 is arranged in the heat preservation box 40, a heating device 43 is arranged at the bottom of the bracket 42, and a culture disc 44 is arranged on the bracket 42; an opening 45 is formed in the top of the heat preservation box 40, and a box cover 46 is connected to the opening 45 in a sliding mode through a sliding assembly 50; a fluorescence spectrophotometer 60 is arranged at the position, right opposite to the opening 45, of the bottom of the transverse plate 12; a peristaltic pump 70 is arranged in the second chamber 14 through a fixing frame 71, wherein the fixing frame is adhered to the side wall of the second chamber; an outlet pipe of the peristaltic pump 70 extends into the incubator 40 and is connected with the culture tray 44, and an inlet pipe of the peristaltic pump 70 extends out of the second chamber 14 and is connected with an external sample pipe; the culture tray 44 is also connected with an emptying peristaltic pump 80; the outlet pipe of the evacuation peristaltic pump extends out of the second chamber. The culture tray may be connected to a washing peristaltic pump, etc., and the present application is not particularly limited.

In some preferred embodiments, as shown in fig. 3, a cover slot 47 and a sliding slot 48 are respectively formed on the top of the thermal insulation box 40 on two sides of the opening 45, the cover slot 47 and the sliding slot 48 are communicated with the opening 45, the sliding slot 48 is formed with a threaded opening 49 on the side wall of the thermal insulation box 40, and a sliding rail 51 is arranged at the bottom of the sliding slot 48.

In some preferred embodiments, as shown in fig. 4, the sliding assembly 50 includes a driving motor 53 disposed on the inner side wall of the second chamber 14 through a second fixing frame 52, as shown in fig. 2, the driving motor 53 is controlled by a button 54 disposed on the outer side wall of the second chamber 14; with reference to fig. 4, an output shaft of the driving motor 53 is connected to a screw 56 in threaded connection with the threaded port 49 through a coupling 55, a slider 57 is sleeved on the screw 56, and the slider 57 is in threaded connection with the screw 56; the sliding block 57 can slide along the sliding rail 51 and is fixedly connected with the box cover 46.

Wherein, the utility model discloses in the function of the analyzer host computer that mentions can refer to the function of the analyzer mainboard that discloses in CN102175661A, when concrete implementation, place the analyzer mainboard in CN102175661A in the casing, just can form the analyzer host computer of this application, perhaps the analyzer host computer of this application directly adopts the analyzer mainboard in CN 102175661A. The analyzer host is connected with heating device, fluorescence spectrophotometer. According to actual need, the lateral wall of first cabinet door can be equipped with parts such as control key, printing interface, data remote transmission interface be connected with the analysis appearance host computer, and in order to realize the storage of data, the data storage device who is connected with the analysis appearance host computer can be set up to first cavity inside wall, is provided with temperature sensor in the insulation can. The manner in which the various components are connected to the analyzer host is disclosed in CN 102175661A. The principle of detection and the reagents used in the culture medium are also disclosed in CN 102175661A.

For the convenience of operation, a side surface of the thermal insulation box 40 corresponding to the second cabinet door 16 is an open structure, and a thermal insulation box door is hinged on the open structure.

As shown in FIG. 5, in some preferred embodiments, the inner side wall of the culture tray 44 is provided with an annular protrusion 91, the annular protrusion 91 is provided with a filter screen 92, and the filter screen 92 is provided with a non-woven fabric 93.

The utility model provides a coliform group water quality analyzer places the culture medium on the non-woven fabrics when using, then through the height that need detect quality of water that peristaltic pump was gone into highly being higher than the non-woven fabrics, cultivates 6h backs, utilizes the evacuation peristaltic pump to go out the water pump of filter screen bottom, then takes out the non-woven fabrics, conveniently cultivates the washing of dish.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. The water quality analyzer for coliform groups is characterized by comprising a cabinet body (10), wherein universal wheels (11) are arranged at the bottom of the cabinet body (10); a transverse plate (12) is arranged in the cabinet body (10), the cabinet body (10) is divided into a first cavity (13) and a second cavity (14) by the transverse plate (12), a first cabinet door (15) and a second cabinet door (16) are respectively hinged to the first cavity (13) and the second cavity (14), a display screen (20) is arranged on the first cabinet door (15), an analyzer host (30) connected with the display screen (20) is arranged in the first cavity (13), and an insulation box (40) is arranged in the second cavity (14); the heat insulation box (40) is arranged at the bottom of the second chamber (14) through a heat insulation box bracket (41); a bracket (42) is arranged in the heat preservation box (40), a heating device (43) is arranged at the bottom of the bracket (42), and a culture disc (44) is arranged on the bracket (42); an opening (45) is formed in the top of the heat insulation box (40), and a box cover (46) is connected to the opening (45) in a sliding mode through a sliding assembly (50); a fluorescence spectrophotometer (60) is arranged at the position, right opposite to the opening (45), of the bottom of the transverse plate (12); a peristaltic pump (70) is arranged in the second chamber (14) through a fixing frame (71), an outlet pipe of the peristaltic pump (70) extends into the heat preservation box (40) and is connected with the culture disc (44), and an inlet pipe extends out of the second chamber (14) and is connected with an external sample pipe.

2. The water quality analyzer for coliforms as claimed in claim 1, wherein said culture tray (44) is further connected to an evacuation peristaltic pump (80).

3. The water quality analyzer for coliform bacteria according to claim 2, wherein a tank cover groove (47) and a sliding groove (48) which are communicated with the opening (45) are respectively arranged at the top of the heat preservation tank (40) and at two sides of the opening (45), a threaded opening (49) is formed on the side wall of the heat preservation tank (40) by the sliding groove (48), and a sliding rail (51) is arranged at the bottom of the sliding groove (48).

4. The water quality analyzer for coliform bacteria according to claim 3, wherein said slide assembly (50) comprises a driving motor (53) disposed on the inner side wall of said second chamber (14) through a second fixing frame (52), said driving motor (53) being controlled by a button (54) disposed on the outer side wall of said second chamber (14); an output shaft of the driving motor (53) is connected with a screw rod (56) in threaded connection with the threaded port (49) through a coupler (55), a sliding block (57) is sleeved on the screw rod (56), and the sliding block (57) is in threaded connection with the screw rod (56); the sliding block (57) can slide along the sliding rail (51) and is fixedly connected with the box cover (46).

5. The water quality analyzer for coliform bacteria according to claim 4, wherein said culture tray (44) has an annular protrusion (91) on its inner side wall, said annular protrusion (91) has a filter screen (92) thereon, and said filter screen (92) has a non-woven fabric (93) thereon.