Environmental engineering water quality detection device

Abstract

The utility model discloses an environmental engineering water quality detection device, which relates to the technical field of water quality detection and comprises a detection supporting plate, a detection frame is vertically and fixedly mounted on the detection supporting plate, a plurality of detection pipes are mounted at the top of the detection frame, the bottoms of the detection pipes are communicated with first water inlets, and a sample storage pipe is fixedly mounted in the middle of the detection supporting plate. A push-pull rod is inserted into one end of the sample storage tube in a sliding manner, one end of the push-pull rod is fixedly connected with a rod handle, the other end of the push-pull rod is fixedly provided with a piston, and the piston can slide along the inner wall of the sample storage tube in a friction manner. Samples sequentially pass through the connecting pipe and the first water inlet to be gradually injected into the multiple detection pipes at the same time, and through reasoning according to the communicating vessel principle, when the samples in the multiple detection pipes are in static balance, the volumes of the samples in the detection pipes are equal, so that the samples are rapidly and quantitatively measured, and the operation is simple and convenient.

Description

Technical Field

[0001] This utility model relates to the field of water quality testing technology, and more specifically, to an environmental engineering water quality testing device. Background Technology

[0002] Water quality testing is a core component of environmental engineering for assessing the health status of water bodies and ensuring water safety. Its monitoring targets include surface water (such as rivers and lakes), groundwater, industrial wastewater, and domestic sewage, covering various types of water bodies, both unpolluted and polluted.

[0003] Water quality testing typically involves multiple indicators, requiring the addition of samples to multiple test tubes for testing. Furthermore, the same indicator often needs to be tested multiple times to ensure accuracy. However, the current method of adding samples to test tubes involves quantitatively extracting and titrating the sample into the test tube using a dropper. When the testing volume is large, this process needs to be repeated multiple times, which is cumbersome and inconvenient, affecting testing efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, this utility model provides an environmental engineering water quality testing device to solve the problem that the current method of adding samples into test tubes is to quantitatively extract and titrate the samples into the test tubes using a dropper. When the detection volume is large, the operation needs to be repeated many times, which is cumbersome and inconvenient and affects the detection efficiency.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an environmental engineering water quality testing device, including a testing tray, a testing frame vertically fixedly installed on the testing tray, a plurality of testing tubes installed on the top of the testing frame, a first water inlet connected to the bottom of the testing tubes, a sample storage tube fixedly installed in the middle of the testing tray, a push-pull rod slidably inserted into one end of the sample storage tube, a handle fixedly connected to one end of the push-pull rod, a piston fixedly installed at the other end of the push-pull rod, the piston being able to slide along the inner wall of the sample storage tube, a connecting tube fixedly connected to the other end of the sample storage tube, a branch end of the connecting tube being connected to a plurality of first water inlets one by one, and a sealing assembly provided on the connecting tube, the sealing assembly being able to seal the connecting tube.

[0006] Preferably, both the detection tube and the sample storage tube are made of transparent material, and at least one of the detection tube and the sample storage tube has scale lines on its surface.

[0007] Preferably, the height of the sample storage tube is lower than the height of the first water inlet, and the piston is made of elastic rubber material.

[0008] Preferably, the volume of the sample storage tube is greater than or equal to the sum of the volumes of the plurality of detection tubes, and the heights of the plurality of detection tubes are the same.

[0009] Preferably, the top of the sample storage tube is provided with a second water inlet, which is close to the output end of the sample storage tube, and a sealing cap is threaded onto the second water inlet.

[0010] Preferably, the sealing tube assembly includes a controller, which is fixedly installed on the side of the testing frame. A first control valve is installed on the main stream of the connecting tube, and a second control valve is installed on each branch of the connecting tube. The controller is electrically connected to the first control valve and the second control valve respectively, and is used to control the opening and closing of the first control valve and the second control valve.

[0011] Preferably, the bottom of the detection tray is provided with a rocking assembly, the rocking assembly including a base, a long groove body is fixedly connected to the center of the bottom surface of the detection tray by a fixing rod, a drive motor is fixedly installed in the center of the base, a rocking disk is fixedly connected to the output end of the drive motor, a pin is fixedly connected to the eccentric part of the rocking disk, the pin can slide back and forth along the long groove body, symmetrical slide rails are fixedly installed on the base, and symmetrical support slides are fixedly installed on the bottom surface of the detection tray, the bottom of the support slides is slidably installed on the slide rails.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention allows the operator to hold the handle and push the piston with the push-pull rod, causing the sample to be injected into multiple test tubes simultaneously through the connecting tube and the first water inlet. Based on the principle of communicating vessels, it can be deduced that when the samples in the multiple test tubes are in static equilibrium, the sample volumes in the test tubes are equal, thus achieving rapid quantitative sample measurement, and the operation is simple and convenient.

[0014] Because the height of the sample storage tube is lower than the height of the first water inlet, this invention produces fewer air bubbles when the sample is injected into the detection tube from bottom to top, compared to titration with a dropper. Furthermore, if too much sample is injected, it can be quickly retrieved by reverse extraction, thus improving the overall practicality of the device.

[0015] This invention can simultaneously control the opening and closing of a first control valve and multiple second control valves via a controller, or control a single second control valve. When the required sample volume in multiple detection tubes is the same, the first control valve and multiple second control valves are opened and closed simultaneously. When the required sample volume in multiple detection tubes is different, the corresponding second control valve is closed individually after the sample volume in the detection tube reaches the required amount. Through the above method, various situations of sample quantification during the detection process can be met, further improving the overall practicality of the device.

[0016] This invention uses a drive motor to rotate a shaking disc. The pins on the shaking disc, combined with the elongated groove, reciprocate to drive the detection tray, causing it to shake. Before the sample is injected into the detection tube, the detection tray shakes the sample storage tube, ensuring even distribution of the sample and preventing uneven material distribution that could affect detection accuracy. After the reagent is added to the sample in the detection tube, the detection tray shakes multiple detection tubes simultaneously, allowing for rapid mixing of the sample and reagent in multiple tubes, thus improving the convenience of the detection process. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a front view of the main structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the relevant structure on the sample storage tube of this utility model;

[0020] Figure 4 This is a schematic diagram of the connecting pipe, the first control valve, and the second control valve of this utility model;

[0021] Figure 5 This is a schematic diagram of the relevant structure of the shaking component of this utility model.

[0022] [Figure Labels]

[0023] 1. Testing tray; 2. Testing frame; 3. Testing tube; 4. First water inlet; 5. Sample storage tube; 6. Push-pull rod; 7. Rod handle; 8. Piston; 9. Connecting tube; 10. Sealing tube assembly; 101. Controller; 102. First control valve; 103. Second control valve; 11. Shaking assembly; 111. Base; 112. Fixing rod; 113. Long groove; 114. Drive motor; 115. Shaking disc; 116. Pin; 117. Slide rail; 118. Support slide; 12. Scale line; 13. Second water inlet; 14. Sealing cap. Detailed Implementation

[0024] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0025] As attached Figure 1 To be continued Figure 5This utility model provides an environmental engineering water quality testing device, including a testing tray 1, a testing frame 2 vertically fixedly installed on the testing tray 1, a plurality of testing tubes 3 installed on the top of the testing frame 2, a first water inlet 4 connected to the bottom of the testing tubes 3, a sample storage tube 5 fixedly installed in the middle of the testing tray 1, a push-pull rod 6 slidably inserted into one end of the sample storage tube 5, a handle 7 fixedly connected to one end of the push-pull rod 6, a piston 8 fixedly installed at the other end of the push-pull rod 6, the piston 8 can slide along the inner wall of the sample storage tube 5, a connecting tube 9 fixedly connected to the other end of the sample storage tube 5, a branch end of the connecting tube 9 corresponding to a plurality of first water inlets 4, a sealing assembly 10 provided on the connecting tube 9, the sealing assembly 10 can seal the connecting tube 9.

[0026] The sample storage tube 5 is used to store water quality test samples. The tester holds the handle 7 and pushes the piston 8 through the push-pull rod 6, so that the sample is gradually injected into multiple test tubes 3 through the connecting tube 9 and the first water inlet 4. According to the principle of communicating vessels, when the samples in multiple test tubes 3 are in static equilibrium, the sample volumes in the test tubes 3 are equal, thus realizing rapid quantitative sample measurement, and the operation is simple and convenient.

[0027] Preferably, both the detection tube 3 and the sample storage tube 5 are made of transparent material, which makes it easy for the inspector to observe the pushing distance of the piston 8. At least one of the detection tube 3 and the sample storage tube 5 has a scale line 12 on its surface, which allows the inspector to directly or indirectly obtain the sample volume in the detection tube 3, making it easy to quickly and accurately control the sample volume in the detection tube 3.

[0028] Preferably, the height of the sample storage tube 5 is lower than the height of the first water inlet 4. The sample is injected into the detection tube 3 from bottom to top. Compared with the titration of the dropper, fewer air bubbles are generated. Furthermore, if too much sample is injected, the sample can be quickly withdrawn by reversing the operation, which improves the overall practicality of the device. The piston 8 is made of elastic rubber material, which has good sealing performance.

[0029] Preferably, the volume of the sample storage tube 5 is greater than or equal to the sum of the volumes of the multiple detection tubes 3, and the heights of the multiple detection tubes 3 are the same.

[0030] Preferably, a second water inlet 13 is provided at the top of the sample storage tube 5. The second water inlet 13 is close to the output end of the sample storage tube 5. A sealing cap 14 is threaded onto the second water inlet 13. The sample can be added into the sample storage tube 5 through the second water inlet 13. The sealing cap 14 can close the second water inlet 13 so that the piston 8 can push the sample into the detection tube 3.

[0031] Preferably, the sealing tube assembly 10 includes a controller 101, which is fixedly installed on the side of the testing frame 2. A first control valve 102 is installed on the main stream of the connecting tube 9, and a second control valve 103 is installed on each branch of the connecting tube 9. The controller 101 is electrically connected to the first control valve 102 and the second control valve 103 respectively, and is used to control the opening and closing of the first control valve 102 and the second control valve 103.

[0032] The controller 101 can simultaneously control the opening and closing of the first control valve 102 and multiple second control valves 103, or it can control a single second control valve 103. When the required sample volume in multiple detection tubes 3 is the same, the first control valve 102 and multiple second control valves 103 are opened and closed simultaneously. When the required sample volume in multiple detection tubes 3 is different, the corresponding second control valve 103 is closed individually after the sample volume in the detection tube 3 reaches the required amount. In this way, various situations of sample quantification during the detection process can be met, further improving the overall practicality of the device.

[0033] Preferably, the bottom of the detection tray 1 is provided with a rocking assembly 11, which includes a base 111. A long groove 113 is fixedly connected to the middle of the bottom surface of the detection tray 1 via a fixing rod 112. A drive motor 114 is fixedly installed in the middle of the base 111. A rocking disc 115 is fixedly connected to the output end of the drive motor 114. A pin 116 is fixedly connected to the eccentric part of the rocking disc 115. The pin 116 can slide back and forth along the long groove 113. Symmetrical slide rails 117 are fixedly installed on the base 111. Symmetrical support slides 118 are fixedly installed on the bottom surface of the detection tray 1. The bottom of the support slides 118 is slidably installed on the slide rails 117.

[0034] The detection tray 1 can slide linearly along the slide rail 117 via the support slide 118. The shaking disk 115 is driven to rotate by the drive motor 114. The pin 116 on the shaking disk 115, together with the long groove 113, realizes the reciprocating drive of the detection tray 1, thereby making the detection tray 1 shake. Before the sample is injected into the detection tube 3, the sample storage tube 5 is shaken by the detection tray 1, which can shake the sample in the sample storage tube 5 evenly and avoid uneven distribution of substances in the sample, which would affect the accuracy of the detection. After the detection reagent is added to the sample in the detection tube 3, the detection tray 1 drives multiple detection tubes 3 to shake synchronously, which can quickly mix the samples and detection reagents in multiple detection tubes 3, improving the convenience of the detection.

[0035] The working process of this utility model is as follows:

[0036] During the testing process, the sample is first poured into the sample storage tube 5 through the second inlet 13 and the sealing cap 14 is closed. Then, the piston 8 is pushed to inject the sample into multiple test tubes 3 through the connecting tube 9 and the first inlet 4. After the sample in the test tube 3 reaches the required volume, the controller 101 controls the closure of the first control valve 102 and the second control valve 103. Then, the test reagent is added to the test tube 3 for testing.

[0037] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0038] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0039] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An environmental engineering water quality testing device, characterized in that, The device includes a testing tray (1), on which a testing frame (2) is vertically fixed. Several testing tubes (3) are installed on the top of the testing frame (2). A first water inlet (4) is connected to the bottom of the testing tube (3). A sample storage tube (5) is fixedly installed in the middle of the testing tray (1). A push-pull rod (6) is slidably inserted into one end of the sample storage tube (5). A handle (7) is fixedly connected to one end of the push-pull rod (6). A piston (8) is fixedly installed at the other end of the push-pull rod (6). The piston (8) can slide along the inner wall of the sample storage tube (5). A connecting tube (9) is fixedly connected to the other end of the sample storage tube (5). A branch end of the connecting tube (9) is connected to a plurality of first water inlets (4) one by one. A sealing assembly (10) is provided on the connecting tube (9). The sealing assembly (10) can seal the connecting tube (9).

2. The environmental engineering water quality testing device according to claim 1, characterized in that, Both the detection tube (3) and the sample storage tube (5) are made of transparent material, and at least one of the detection tube (3) and the sample storage tube (5) has a scale line (12) on its surface.

3. The environmental engineering water quality testing device according to claim 1, characterized in that, The height of the sample storage tube (5) is lower than the height of the first water inlet (4), and the piston (8) is made of elastic rubber material.

4. The environmental engineering water quality testing device according to claim 2, characterized in that, The volume of the sample storage tube (5) is greater than or equal to the sum of the volumes of the plurality of detection tubes (3), and the heights of the plurality of detection tubes (3) are the same.

5. The environmental engineering water quality testing device according to claim 1, characterized in that, The top of the sample storage tube (5) is provided with a second water inlet (13), which is close to the output end of the sample storage tube (5). A sealing cap (14) is threaded onto the second water inlet (13).

6. The environmental engineering water quality testing device according to claim 1, characterized in that, The sealing tube assembly (10) includes a controller (101), which is fixedly installed on the side of the testing frame (2). A first control valve (102) is installed on the main stream of the connecting tube (9), and a second control valve (103) is installed on each branch of the connecting tube (9). The controller (101) is electrically connected to the first control valve (102) and the second control valve (103) respectively, and is used to control the opening and closing of the first control valve (102) and the second control valve (103).

7. The environmental engineering water quality testing device according to claim 1, characterized in that, The bottom of the detection tray (1) is provided with a rocking assembly (11). The rocking assembly (11) includes a base (111). A long groove (113) is fixedly connected to the middle of the bottom surface of the detection tray (1) by a fixing rod (112). A drive motor (114) is fixedly installed in the middle of the base (111). A rocking disc (115) is fixedly connected to the output end of the drive motor (114). A pin (116) is fixedly connected to the eccentric part of the rocking disc (115). The pin (116) can slide back and forth in the long groove (113). A symmetrical slide rail (117) is fixedly installed on the base (111). A symmetrical support slide (118) is fixedly installed on the bottom surface of the detection tray (1). The bottom of the support slide (118) is slidably installed on the slide rail (117).

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