CN210513804U

CN210513804U - Automatic underground water sampler

Info

Publication number: CN210513804U
Application number: CN201921230031.0U
Authority: CN
Inventors: 崔诺; 顾毅杰; 胡馨月; 赵鹏
Original assignee: Tianjin Geruian Environmental Protection Technology Co ltd
Current assignee: Tianjin Geruian Environmental Protection Technology Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-12
Anticipated expiration: 2029-07-31

Abstract

The application provides a groundwater autosampler includes: the sampler host computer, outside raceway, deposit appearance bottle and controller, the sampler host computer includes the fuselage, and the bottom of fuselage is provided with the intake antrum, and the inside of fuselage is provided with the pipe that absorbs water, and the one end and the intake antrum that absorb water the pipe are linked together, and the other end and the external connection that absorb water the pipe still are connected with the peristaltic pump, and the controller control peristaltic pump is through the water suction of the pipe in with the intake antrum. Put into the hole of beating in advance with the fuselage, the water of hole enters into the intake antrum through the inlet opening, after the peristaltic pump was opened, the peristaltic pump inhales the sample storage bottle with outside raceway suction from the inlet opening through absorbing water the pipe in with the hole water, the controller can be connected with outside terminal, through the operation control controller at terminal, the work of controller further control peristaltic pump, thereby satisfy the sample demand to groundwater ration, and this application adopts the peristaltic pump and absorbs water the pipe, equipment retrencies easy operation.

Description

Automatic underground water sampler

Technical Field

The utility model relates to a sewage treatment technical field, in particular to groundwater automatic sampler.

Background

The sampling of groundwater is the important link of research groundwater composition, and groundwater sampling technique occupies very important position in groundwater pollution investigation, and many countries highly regard groundwater pollution investigation sampling technique highly, also carried out deep research to sampling technique, and the kind of sampler is very many, includes: the device comprises a bucket type (comprising a bucket, an open bucket, a point source bucket and a thin tube type sampler), a negative pressure lifting type, a gas lifting pump, a positive pressure displacement type (a pneumatic impeller pump and an electric submersible pump), an inertia lifting pump and the like. But the current groundwater sampler is not only complex in equipment and difficult to operate, but also cannot sample groundwater quantitatively.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique, the utility model provides an underground water automatic sampler can solve present underground water sampler not only equipment complicated operation difficult and can not be to the problem of groundwater quantitative sample.

The embodiment of the utility model discloses groundwater autosampler, groundwater autosampler includes: the sampler comprises a sampler host, an external water pipe, a sample storage bottle and a controller, wherein the sampler host is communicated with the sample storage bottle through the external water pipe;

the sampler host computer includes the fuselage, the bottom of fuselage is provided with the intake antrum, the intake antrum is linked together through the inlet opening and the outside that the fuselage lateral wall set up, the inside of fuselage is provided with the pipe that absorbs water, the one end of the pipe that absorbs water with the intake antrum is linked together, the other end and the external connection of the pipe that absorbs water, the pipe that absorbs water still is connected with the peristaltic pump, controller control the peristaltic pump passes through the pipe that absorbs water will water suction in the intake antrum.

Optionally, a liquid level sensor is arranged at the bottom of the sampler host, the liquid level sensor is electrically connected with the controller, and the controller controls the peristaltic pump to be started according to liquid level data detected by the liquid level sensor.

Optionally, the bottom of storage bottle is provided with gravity sensor, gravity sensor with the controller electricity is connected, the controller basis the storage bottle water sample weight that gravity sensor detected judges the big or small relation of water sample weight and preset water sample weight in the storage bottle, controls opening of peristaltic pump.

Optionally, the inlet opening sets up to a plurality ofly, and is a plurality of the inlet opening is in evenly distributed on the lateral wall of fuselage.

Optionally, a filter screen is arranged at the water inlet.

Optionally, the top of groundwater automatic sampler is provided with device holding chamber, the pipe that absorbs water runs through the intake antrum with device holding chamber, the intake antrum with device holding chamber is two independent spaces, the peristaltic pump set up in the inside in device holding chamber.

Optionally, the device accommodating cavity is externally covered with a waterproof insulating layer.

The application provides a groundwater autosampler includes: the sampler comprises a sampler host, an external water pipe, a sample storage bottle and a controller, wherein the sampler host is communicated with the sample storage bottle through the external water pipe; the sampler host computer includes the fuselage, the bottom of fuselage is provided with the intake antrum, the intake antrum is linked together through the inlet opening and the outside that the fuselage lateral wall set up, the inside of fuselage is provided with the pipe that absorbs water, the one end of the pipe that absorbs water with the intake antrum is linked together, the other end and the external connection of the pipe that absorbs water, the pipe that absorbs water still is connected with the peristaltic pump, controller control the peristaltic pump passes through the pipe that absorbs water will water suction in the intake antrum. During the use, put into the hole of beating in advance with the fuselage, the water of hole enters into the intake antrum through the inlet opening, after the peristaltic pump opened, the peristaltic pump inhales the sample storage bottle with the water in the hole from the inlet opening through absorbing water pipe and outside raceway, the controller can be connected with outside terminal, through the operation control controller at terminal, the work of controller further control peristaltic pump, thereby satisfy the sample demand to groundwater ration, and this application adopts the peristaltic pump and absorbs water the pipe, the easy operation of simplifying of equipment.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an overall schematic diagram of an automatic groundwater sampler provided by an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a sampler main unit of an automatic groundwater sampler according to an embodiment of the present invention;

fig. 3 is a block diagram of a controller of an automatic groundwater sampler according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

The embodiment of the utility model discloses groundwater autosampler, as shown in figure 1, groundwater autosampler includes: the sampler comprises a sampler host 1, an external water pipe 2, a sample storage bottle 3 and a controller 4, wherein the sampler host 1 is communicated with the sample storage bottle 3 through the external water pipe 2. The sampler main machine 1 can be designed into a cylinder shape or a square shape, and the sampler main machine 1 is placed in a punched hole for use, so that the whole shape of the sampler main machine 1 is preferably the cylinder shape, if the square shape is adopted, the sampler main machine 1 is easy to be damaged due to the fact that the punched hole is irregular, and the occurrence of the collision can be obviously reduced by selecting the whole shape of the cylinder shape. Sampler host computer 1 is connected with storage bottle 3 through outside raceway 2, and in order to improve water quality testing's accuracy, after the long-time placing of water sample in the sample of preventing to deposit, phenomenon such as the partial material in the water sample takes place to volatilize the degeneration, can set up sealed lid at the top of sampler host computer 1 and storage bottle 3. The sealing covers of the sampler host 1 and the sample storage bottle 3 are provided with connecting holes for connecting the external water pipe 2, and the external water pipe 2 is made of materials with corrosion resistance and temperature change resistance.

As shown in fig. 2, the sampler host 1 includes a body 11, the bottom of the body 11 is provided with a water inlet cavity 111, the water inlet cavity 111 is communicated with the outside through a water inlet 112 arranged on the side wall of the body 11, the inside of the body 11 is provided with a water suction pipe 113, one end of the water suction pipe 113 is communicated with the water inlet cavity 111, the other end of the water suction pipe 113 is connected with the outside, the water suction pipe 113 is further connected with a peristaltic pump 114, and the controller 4 controls the peristaltic pump 114 to suck water out from the water inlet cavity 111 through the water suction pipe 113. Before the sampler is used, a hole is arranged in an area to be detected for water quality in advance, and the hole is filled with water to be detected. The sampler main body 1 is placed in a hole which is drilled in advance, and water to be detected enters the water inlet cavity 111 through the water inlet hole 112.

In addition, optionally, a device accommodating cavity 116 is further disposed at the top of the groundwater automatic sampler, the water suction pipe 113 penetrates through the water inlet cavity 111 and the device accommodating cavity 116, the water inlet cavity 111 and the device accommodating cavity 116 are two independent spaces, and the peristaltic pump 114 is disposed inside the device accommodating cavity 116. That is, the top device accommodating cavity 116 and the bottom water inlet cavity 111 are separated, and after the sampler main body 1 is placed inside the hole, the water to be detected only enters the water inlet cavity 111 through the water inlet hole 112, but not enters the device accommodating cavity 116. The device accommodating cavity 116 is used for accommodating the peristaltic pump 114, a control circuit board, a wireless rechargeable lithium battery and other equipment. Therefore, the device accommodating cavity 116 and the water inlet cavity 111 are separated, so that not only can the functional areas be distinguished, but also water to be detected can enter the device accommodating cavity 116 in a mode, and the device in the device accommodating cavity 116 is prevented from contacting water and being broken down.

Further, the device accommodating cavity 116 may be covered with a waterproof insulating layer 117. The waterproof insulating layer 117 covers the exterior of the entire device accommodating cavity 116, and the waterproof insulating layer 117 may also cover the interior of the device accommodating cavity 116, so as to further prevent water from entering the interior of the device accommodating cavity 116. Since the suction pipe 113 penetrates the entire water inlet cavity 111 and the entire device accommodating cavity 116, a through hole is inevitably formed between the device accommodating cavity 116 and the water inlet cavity 111 for the suction pipe 113 to pass through. A sealing device such as a gasket may be disposed around the opening to prevent water in the inlet chamber 111 from entering the device receiving chamber 116 through the opening.

The application provides a groundwater autosampler includes: the sampler comprises a sampler host 1, an external water pipe 2, a sample storage bottle 3 and a controller 4, wherein the sampler host 1 is communicated with the sample storage bottle 3 through the external water pipe 2; sampler host 1 includes fuselage 11, the bottom of fuselage 11 is provided with intake antrum 111, intake antrum 111 is linked together with the outside through inlet opening 112 that the fuselage 11 lateral wall set up, the inside of fuselage 11 is provided with and absorbs water pipe 113, absorb water pipe 113 one end with intake antrum 111 is linked together, absorb water pipe 113's the other end and external connection, it still is connected with peristaltic pump 114 to absorb water pipe 113, controller 4 control peristaltic pump 114 passes through it will to absorb water pipe 113 water suction in the intake antrum 111. During the use, put into the hole of making in advance with fuselage 1, the water in hole enters into intake antrum 111 through inlet opening 112, peristaltic pump 114 opens after, peristaltic pump 114 inhales the water in the hole from inlet opening 112 in the sample storage bottle 3 through absorbing water pipe 113 and outside raceway 2, controller 4 can be connected with outside terminal, operation control controller 4 through the terminal, controller 4 further controls peristaltic pump 114's work, thereby satisfy the sample demand to groundwater ration, and this application adopts peristaltic pump 114 and absorb water pipe 113, the equipment is retrencied easy operation.

In a preferred embodiment, a liquid level sensor 12 is disposed at the bottom of the sampler host 1, the liquid level sensor 12 is electrically connected to the controller 4, and the controller 4 controls the start of the peristaltic pump 114 according to liquid level data detected by the liquid level sensor 12. The water in the holes punched in advance can be lost in the process of detecting the water quality, and the water quantity in the holes punched can be detected through the liquid level sensor 12. Specifically, level sensor 12 will detect beat the water yield of establishing in the hole and send for controller 4, controller 4 is inside can set up in advance and preset the water quantity value, controller 4 judges that the water yield of detecting in beating the hole and predetermines water quantity value size relation, if beat the water yield of establishing in the hole and be less than predetermineeing the water quantity value, the explanation is beated the water yield of establishing in the hole and is not enough, controller 4 control peristaltic pump 114 stop work, and can send warning signal to the terminal and remind the user to change the hole, perhaps deepen the degree of depth of hole, so that the water yield in the hole is sufficient. If the water amount in the drilled hole is larger than the preset water amount value, which indicates that the water amount in the drilled hole is sufficient, the controller 4 controls the peristaltic pump 114 to continuously work.

Further, the bottom of storage bottle 3 is provided with gravity sensor 31, gravity sensor 31 with controller 4 electricity is connected, controller 4 basis storage bottle water sample weight that gravity sensor 31 detected judges the big or small relation of water sample weight and preset water sample weight in the storage bottle, controls opening of peristaltic pump 114. The gravity sensor 31 at the bottom of the sample bottle 3 corresponds to the amount of water inside the sample bottle 3. The specific control process is that the gravity sensor 31 at the bottom of the sample storage bottle 3 detects the water amount inside the sample storage bottle 3, sends a water amount signal to the controller 4, sets a preset water amount in the controller 4, the preset water amount can be changed in real time through a terminal, if the water amount in the sample storage bottle 3 is less than the preset water amount, the controller 4 controls the peristaltic pump 114 to continue working, and when the amount in the sample storage bottle 3 reaches the preset water amount, the controller 4 controls the peristaltic pump 114 to stop working. Through the control process, the quantitative sampling of the underground water can be realized.

In addition, it is sometimes necessary to sample the groundwater at different time intervals, for example, to measure the water quality of the groundwater at zero morning and the water quality of the groundwater at noon. The groundwater automatic sampler further comprises a timer 5, the timer 5 is connected with the controller 4, the controller 4 judges the relation between the measuring time and the preset time according to the measuring time of the timer 5, and the opening of the peristaltic pump 114 is controlled. If the specific preset time is the zero point in the morning, when the time detected by the timer 5 reaches the zero point in the morning, the timer 5 sends a time signal to the controller 4, and the controller 4 controls the peristaltic pump 114 to start working, so that the groundwater sample at the zero point in the morning is obtained. In order to automatically acquire underground water in a plurality of time periods, a plurality of sample storage bottles 3 can be arranged, each sample storage bottle 3 is connected with the sampler host 1 through an external water conveying pipe 2, and an electromagnetic valve is arranged between each sample storage bottle 3 and the sampler host 1. For example, when the sample storage bottle 3 is in the zero point in the morning, the electromagnetic valve between the sample storage bottle 3 and the sampler host 1 is controlled to be opened, and at the moment, the underground water can only enter the sample storage bottle 3 in the zero point. When 12 am, the electromagnetic valve between the sample storage bottle 3 at 12 am and the sampler host 1 is controlled to be opened, and at the moment, the groundwater only can enter the sample storage bottle 3 at 12 am. Therefore, groundwater water samples in a plurality of time periods can be automatically obtained.

In order to implement the above control process, in the present application, the controller 4 may be a data processing chip, such as a single chip, a PLC, etc., capable of meeting the above calculation requirement. The controller 4 can be controlled by a terminal, and the controller 4 is respectively connected with the peristaltic pump 114, the liquid level sensor 12, the gravity sensor 31 and the timer 5. As shown in fig. 3, the controller 4 according to the present invention is configured such that the controller 4 is configured to realize a control function, and the controller 4 includes a signal receiving unit 41, a peristaltic pump control unit 42, and a signal transmitting unit 43. The signal receiving unit 41 is configured to receive a liquid level signal detected by the liquid level sensor 12, a gravity signal of the gravity sensor 31, and a time signal of the timer 5, respectively determine a size relationship between a current liquid level of the punched hole and a preset liquid level, a size relationship between a water sample weight in the sample storage bottle 3 and a preset water sample weight, and a size relationship between a current time and a preset time, and control the peristaltic pump 114 to be turned on or turned off. The signal transmitting unit 43 is used for transmitting the generated control signal to the terminal, and in addition, preset parameters set inside the controller 4 can be changed through the terminal.

In a preferred embodiment, the water inlet holes 112 are provided in a plurality, and the plurality of water inlet holes 112 are uniformly distributed on the side wall of the body 11. Set up a plurality of inlet openings 112 and can make groundwater enter into intake antrum 111 inside more smoothly, adopt a plurality of inlet openings 112 to be less round hole simultaneously, compare in adopting the great big square hole of shape, adopt less round hole not only can guarantee the smooth and easy inflow of groundwater, can also prevent that the great debris of volume from entering into the inside of intake antrum 111. Furthermore, a filter screen 115 is arranged at the water inlet 112 to better prevent impurities from entering the water inlet cavity 111.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise procedures described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. An underground water autosampler, comprising:

the sampler comprises a sampler host (1), an external water pipe (2), a sample storage bottle (3) and a controller (4), wherein the sampler host (1) is communicated with the sample storage bottle (3) through the external water pipe (2);

sampler host computer (1) includes fuselage (11), the bottom of fuselage (11) is provided with intake antrum (111), intake antrum (111) is linked together with the outside through inlet opening (112) that fuselage (11) lateral wall set up, the inside of fuselage (11) is provided with absorbs water pipe (113), the one end that absorbs water pipe (113) with intake antrum (111) are linked together, the other end and the external connection of pipe (113) absorb water, it still is connected with peristaltic pump (114) to absorb water pipe (113), controller (4) control peristaltic pump (114) pass through it will to absorb water pipe (113) water suction in intake antrum (111).

2. An automatic sampler for underground water according to claim 1 characterized in that the bottom of the sampler main body (1) is provided with a liquid level sensor (12), the liquid level sensor (12) is electrically connected with the controller (4), and the controller (4) controls the opening of the peristaltic pump (114) according to the liquid level data detected by the liquid level sensor (12).

3. The automatic sampler of underground water according to claim 1, characterized in that a gravity sensor (31) is arranged at the bottom of the sample storage bottle (3), the gravity sensor (31) is electrically connected with the controller (4), and the controller (4) judges the size relationship between the weight of the water sample in the sample storage bottle (3) and the weight of a preset water sample according to the weight of the water sample in the sample storage bottle (3) detected by the gravity sensor (31) to control the opening of the peristaltic pump (114).

4. An automatic sampler for underground water according to claim 1 characterized in that the inlet openings (112) are provided in plurality, and the inlet openings (112) are evenly distributed on the side wall of the body (11).

5. An automatic groundwater sampler as claimed in claim 1, wherein a filter screen (115) is provided at the water inlet (112).

6. An automatic groundwater sampler according to claim 1, wherein a device accommodating cavity (116) is arranged at the top of the automatic groundwater sampler, the water suction pipe (113) penetrates through the water inlet cavity (111) and the device accommodating cavity (116), the water inlet cavity (111) and the device accommodating cavity (116) are two independent spaces, and the peristaltic pump (114) is arranged inside the device accommodating cavity (116).

7. An automatic sampler for groundwater according to claim 6, characterized in that the device housing chamber (116) is externally covered with a waterproof insulating layer (117).