CN206557238U - A kind of water quality monitoring automatic sampling apparatus - Google Patents

Abstract

The utility model discloses an automatic sampling device for water quality monitoring, which comprises a body casing and a base. An arc-shaped bottom plate is provided, and the lower end of the arc-shaped bottom plate is symmetrically provided with chutes on both sides, and sliders are slidably connected in the two chutes, and a top cover is provided between the two sliders. Both sides of the lower end of the top cover are symmetrically provided with L-shaped liquid leakage grooves, and the center of the upper end of the top cover is fixedly connected with a telescopic rod. The bottoms are provided with stoppers, the upper end of the base is provided with a collecting tank, and the bottom of the collecting tank is connected with a dropper, and the lower end of the base is provided with a water quality detector. The utility model is simple in structure, easy to operate, realizes the automatic sampling of water quality monitoring, does not need manual operation, and saves labor costs.

Description

A water quality monitoring automatic sampling device

technical field

The utility model relates to the technical field of water quality monitoring, in particular to an automatic sampling device for water quality monitoring.

Background technique

With people's attention to environmental quality, water quality monitoring has also been paid more and more attention by the environmental department. At present, most of the sampling methods for laboratory water quality chemical oxygen demand detection are manual sampling, that is, the operator adds the required oxygen to the sample. Potassium dichromate and concentrated sulfuric acid reagents are used for follow-up detection; this manual injection method will affect the injection volume due to the human error of the operator, and the accuracy of the injection cannot be guaranteed, and the operation of concentrated sulfuric acid is also dangerous. The sampling method takes a long time to inject samples, and the work efficiency is relatively low; at present, although there are various automatic sampling devices on the market, most of these devices are used in chemical analysis, medical equipment and other fields, and there is no chemical oxygen demand for water quality. The automatic sampling device for quantitative laboratory testing, the existing sampling device is generally micro-sampling, and most of them need manual operation, can not realize the automatic sampling of the water to be tested, wasting a lot of labor.

Utility model content

In order to solve the problems mentioned in the background technology above, the utility model provides an automatic sampling device for water quality monitoring.

In order to achieve the above object, the utility model adopts the following technical solutions:

An automatic sampling device for water quality monitoring, comprising a body shell and a base, the lower end of the body shell is fixedly connected with a base, the lower end of the base is fixedly connected with supporting legs around, and the upper end of the body shell is provided with a liquid inlet pipe , the inner wall of the upper end of the shell of the body is provided with an arc-shaped bottom plate, and both sides of the lower end of the arc-shaped bottom plate are symmetrically provided with chutes, and sliders are slidably connected in the two chutes, and the two sliders There is a top cover in between, and L-shaped liquid leakage tanks are symmetrically arranged on both sides of the lower end of the top cover. A telescopic rod is fixedly connected to the center of the upper end of the top cover, and a drive motor is provided at the end of the telescopic rod far away from the top cover. , and the driving motor is fixed on the upper end of the arc-shaped bottom plate, the bottom of the two chutes are provided with stoppers, the upper end of the base is provided with a liquid collection tank, and the bottom of the liquid collection tank is connected with a drip tube, so The dropper passes through the bottom of the base and extends outward, and the extended end of the dropper is provided with a solenoid valve, the lower end of the base is provided with a water quality detector, and a controller is provided on one side of the outer wall of the water quality detector , the water quality detector is provided with a detection tank, the drip tube extends into the detection tank, and the drive motor and the controller are electrically connected to the mains through an external control switch.

Preferably, a waterproof cover is provided on the outside of the driving motor.

Preferably, a spring is sheathed on the outside of the telescopic rod.

Preferably, a gasket is provided between the two L-shaped liquid leakage grooves and the chute.

Preferably, an electromagnetic sensor is provided on one side of the inner wall of the detection groove.

In the utility model, the inner wall of the upper end of the body shell is provided with an arc-shaped base plate, and both sides of the lower end of the arc-shaped base plate are symmetrically provided with chute, and a slide block is slidably connected in the chute, and a top cover is arranged between the two slide blocks. Since there are L-shaped liquid leakage tanks on both sides of the lower end of the top cover, the water to be tested enters the body shell from the liquid inlet pipe, and then enters the upper end of the top cover from the liquid inlet above the arc-shaped bottom plate, and the drive motor is started to make the telescopic rod work. , the L-shaped leakage tank slowly moves downward under the action of the telescopic rod, and extends into the liquid collection tank. At this time, the water to be tested flows from the L-shaped liquid leakage tank to the liquid collection tank, and enters the detection through the drip tube In the tank, since the lower end of the base is equipped with a water quality detector, and the outer wall of the water quality detector is equipped with a controller, when the water in the detection tank reaches a certain level, the electromagnetic sensor transmits a signal to the controller, and the controller sends out an execution Command to the solenoid valve, so that the solenoid valve is closed and the injection is completed. The utility model is simple in structure, easy to operate, realizes the automatic sampling of water quality monitoring, does not need manual operation, saves labor costs, and the device is convenient and ingenious to use, and is suitable for wide popularization.

Description of drawings

Fig. 1 is a structural schematic diagram of an automatic sampling device for water quality monitoring proposed by the utility model.

In the figure: 1 body shell, 2 base, 3 support legs, 4 liquid inlet pipe, 5 curved bottom plate, 6 drive motor, 7 telescopic rod, 8 spring, 9 top cover, 10 chute, 11 slider, 12 L-shaped Leakage tank, 13 block, 14 liquid collection tank, 15 drip tube, 16 solenoid valve, 17 water quality detector, 18 detection tank, 19 electromagnetic sensor, 20 controller.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

With reference to Fig. 1, a kind of water quality monitoring automatic sampling device comprises body casing 1 and base 2, and the lower end of body casing 1 is fixedly connected with base 2, and the lower end of base 2 is all fixedly connected with support leg 3 around, and the upper end of body casing 1 A liquid inlet pipe 4 is provided, and an arc-shaped bottom plate 5 is arranged on the inner wall of the upper end of the body shell 1, and chute 10 is symmetrically arranged on both sides of the lower end of the arc-shaped bottom plate 5, and a slider 11 is slidably connected in the two chute 10, and the two chutes 10 are slidingly connected. A top cover 9 is provided between the two slide blocks 11, and an L-shaped liquid leakage tank 12 is symmetrically arranged on both sides of the lower end of the top cover 9. The upper center of the top cover 9 is fixedly connected with a telescopic rod 7, and the telescopic rod 7 is far away from the top cover 9. One end of one end is provided with driving motor 6, and driving motor 6 is fixed on the upper end of arc-shaped bottom plate 5, and the bottom of two chute 10 is all provided with stopper 13, and the upper end of base 2 is provided with sump 14, and sump The bottom of 14 is communicated with a dropper 15, the dropper 15 passes through the bottom of the base 2 and extends outward, and the extension end of the dropper 15 is provided with a solenoid valve 16, and the lower end of the base 2 is provided with a water quality detector 17, The outer wall side of water quality detector 17 is provided with controller 20, and controller 20 selects the single-chip microcomputer of ADM202 model for use, and the single-chip microcomputer of water quality detector 17 and ADM202 model is all common knowledge, and water quality detector 17 is provided with detection groove 18, dripping liquid The tube 15 extends into the detection slot 18, and the drive motor 6 and the controller 20 are both electrically connected to the mains through an external control switch.

Specifically, a waterproof cover is provided outside the drive motor 6 to prevent water from entering the drive motor 6 and affecting its use.

Specifically, a spring 8 is sleeved on the outside of the telescopic rod 7 to play a role of shock absorption and buffering.

Specifically, a gasket is provided between the two L-shaped liquid leakage grooves 12 and the chute 10, which has better sealing performance and avoids liquid leakage.

Specifically, an electromagnetic sensor 19 is provided on one side of the inner wall of the detection tank 18. The electromagnetic sensor 19 is a GS-115L model, which has the characteristics of high measurement accuracy and stable performance. The electromagnetic sensor 19 is common knowledge.

In the utility model, the inner wall of the upper end of the body shell 1 is provided with an arc-shaped base plate 5, and both sides of the lower end of the arc-shaped base plate 5 are symmetrically provided with chute 10, and a slide block 11 is slidably connected in the chute 10, and the two slide blocks 11 A top cover 9 is arranged between them. Since L-shaped liquid leakage tanks 12 are arranged on both sides of the lower end of the top cover 9, the water to be tested enters the body shell 1 from the liquid inlet pipe 4, and then enters from the liquid inlet above the arc-shaped bottom plate 5. Enter the upper end of the top cover 9, start the drive motor 6 to make the telescopic rod 7 work, the L-shaped liquid leakage tank 12 slowly moves downward under the action of the telescopic rod 7, and extends into the liquid collection tank 14, which is to be detected at this time Water flows from the L-shaped liquid leakage tank 12 to the liquid collection tank 14, and enters the detection tank 18 through the dropper 15. Since the lower end of the base 2 is provided with a water quality detector 17, and the outer wall side of the water quality detector 17 is provided with a control When the water in the detection tank 18 reaches a certain level, the electromagnetic sensor 19 transmits a signal to the controller 20, and the controller 20 sends an execution command to the solenoid valve 16, so that the solenoid valve 16 is closed, and the sample injection is completed. 20. Controlling the opening and closing of the solenoid valve 16 is common knowledge in the art, and the effect of this function can be achieved by using simple program settings, and the technology of completing the whole scheme is coordinated.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. An automatic sampling device for water quality monitoring, comprising a body shell (1) and a base (2), the lower end of the body shell (1) is fixedly connected with a base (2), characterized in that: the base (2) The lower end of the body is fixedly connected with support legs (3) all around, the upper end of the body shell (1) is provided with a liquid inlet pipe (4), and the inner wall of the upper end of the body shell (1) is provided with an arc-shaped bottom plate (5), Both sides of the lower end of the arc-shaped bottom plate (5) are symmetrically provided with chute (10), the two chute (10) are slidably connected with sliders (11), and the two sliders (11) A top cover (9) is provided between them, L-shaped liquid leakage tanks (12) are symmetrically arranged on both sides of the lower end of the top cover (9), and a telescopic rod ( 7), the end of the telescopic rod (7) away from the top cover (9) is provided with a drive motor (6), and the drive motor (6) is fixed on the upper end of the arc-shaped bottom plate (5), and the two chute ( 10) are provided with stoppers (13) at the bottom, the upper end of the base (2) is provided with a sump (14), and the bottom of the sump (14) is connected with a dropper (15), the The dropper (15) passes through the bottom of the base (2) and extends outward, and the extended end of the dropper (15) is provided with a solenoid valve (16), and the lower end of the base (2) is provided with a water quality detector (17), the outer wall side of the water quality detector (17) is provided with a controller (20), the water quality detector (17) is provided with a detection tank (18), and the dropper (15) extends Into the detection slot (18), the drive motor (6) and the controller (20) are both electrically connected to the mains through an external control switch. 2. The automatic sampling device for water quality monitoring according to claim 1, characterized in that: the drive motor (6) is provided with a waterproof cover. 3. The automatic sampling device for water quality monitoring according to claim 1, characterized in that: a spring (8) is sleeved on the outside of the telescopic rod (7). 4. The automatic sampling device for water quality monitoring according to claim 1, characterized in that: a sealing gasket is provided between the two L-shaped liquid leakage tanks (12) and the chute (10). 5. The automatic sampling device for water quality monitoring according to claim 1, characterized in that: an electromagnetic sensor (19) is provided on one side of the inner wall of the detection tank (18).