CN206420674U - A kind of level pressure hydrophore - Google Patents

Abstract

The utility model discloses a constant pressure water collecting device, which comprises a water collecting device body, a hook and a hammer for triggering the hook. On the outside of the water collection cylinder, the water collection cylinder is a hollow cylinder with openings at both ends. Sealing covers are respectively provided at both ends of the water collection cylinder. The sealing covers all include a cover body and a cover top. The cross-sectional area of the top is larger than the cross-sectional area of the cover body. The inner side of the cover body is respectively connected to the rubber bands fixed in the water collection cylinder. There is a cover handle on the outer side of the cover top, and a small hole is arranged on the cover handle. It is connected with the hook on the outside of the water collection tube, the triggering device includes a power supply, an electromagnet, a pressure sensor and an electromagnetic switch, the triggering device is sealed by waterproof material, and the probe of the pressure sensor is external. The utility model has the advantages of high cost performance, strong operability, small volume and portability, and can accurately collect water body samples at a specified water depth.

Description

A constant pressure water collector

technical field

The utility model relates to the field of ocean observation, in particular to a constant-pressure water collector.

Background technique

Obtaining seawater samples at a specified depth is the most basic task in marine surveys, and researchers usually use various water sampling devices to achieve it. Now part of the domestic water collectors are water collectors that adopt arrow hammer strikes, and the other part is the large CTD and its supporting rose water collectors imported from abroad. Ordinary water harvesters that use arrow hammer firing determine the depth of the water harvester through the length of the released cable. Although the price is low, the operation is complicated and affected by external conditions, and it is difficult to achieve accurate water collection at fixed depth and pressure; large CTD and The combination of rose water collectors can achieve accurate constant pressure water collection very well, but the equipment is bulky, and the cost of a single set of equipment is between 800,000 and 1 million yuan, which is not suitable for large-scale promotion, and because of its large size, it is difficult to Water harvesting in coastal areas, lakes, reservoirs and other environments. The former of the above two water collection devices is cheap but the accuracy of water collection depth is not high, and is greatly affected by external conditions. The latter is expensive and bulky, and it is difficult to collect water in offshore, lakes, and reservoirs.

Utility model content

The technical problem to be solved by the utility model is to provide a constant-pressure water sampling device that realizes the control of the water depth according to the adjustment and control of the pressure, thereby achieving the purpose of accurately collecting water samples of the specified water depth. Its price is relatively low, and it is practical and It has a wide range of applications and can meet the collection of water quality samples such as oceans, lakes, and reservoirs.

The technical scheme adopted in the utility model is:

A constant pressure water collection device, comprising a water collection body, a hook and a hammer for triggering the hook, a trigger device for triggering the hammer is fixed on the hammer, the water collection body includes a water collection cylinder, and the hook is set On the outside of the water collection cylinder, the water collection cylinder is a hollow cylinder with openings at both ends, and the two ends of the water collection cylinder are respectively provided with sealing covers. The sealing covers all include a cover body and a cover top. Adaptation, the cross-sectional area of the cover top is larger than the cross-sectional area of the cover body, the inner side of the cover body is respectively connected to the rubber bands fixed in the water collection cylinder, the outer side of the cover top is provided with a cover handle, the cover handle is provided with a small hole, and the traction rope passes through The small hole connects the cover handle with the hook on the outside of the water collection tube. A waterproof sealing ring is provided on the inside of the top of the cover. The inner diameter of the waterproof sealing ring is adapted to the outer diameter of the cover. The waterproof sealing ring is closely combined with the port of the water collection cylinder.

Further, the triggering device is composed of circuit elements such as a power supply, an electromagnet, a pressure sensor, and an electromagnetic switch. The external pressure is sensed by the pressure sensor. When the specified pressure is reached, an electrical signal is sent out to control the electromagnetic switch to be disconnected, the electromagnet is powered off, the arrow hammer falls to trigger the hook to spring up, and the water collector is closed.

Further, the trigger device is sealed with waterproof material to prevent short circuit of the water inlet circuit. The probe of the pressure sensor is external, and according to the relationship between seawater pressure and depth, the seawater depth where the collector is located can be calculated according to the pressure value of the pressure sensor.

Preferably, the cover body, cover top and cover handle are integrally formed.

Preferably, the pressure sensor is made of waterproof material to ensure its normal operation.

Further, the water collection body is provided with cables.

Before going to sea for investigation, take a water collector with a specified range as needed and check whether the circuit is working normally. When the water body needs to be collected at the designated location, release the cable and pull it up after releasing to a certain extent. The water collection process is completed.

Compared with the prior art, the utility model has the following advantages and positive effects:

The utility model constant pressure water collector will help marine researchers collect seawater samples at a specified depth in the ocean more accurately and quickly, and accurate seawater samples will more intuitively reflect a series of changes in the ocean, greatly improving the accuracy of data , save time; the utility model can accurately collect water samples at the water depth required by the researcher; the utility model is cost-effective compared with the existing products in the market; the utility model itself has strong operability and has a high Practical value: the utility model is relatively small in volume and is convenient to carry when going out to sea for investigation.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the utility model constant pressure water collecting device;

Fig. 2 is the top view of the utility model constant pressure water collecting device;

Fig. 3 is a simple connection circuit diagram of the utility model constant pressure water collector.

Wherein, 1 is a hook, 2 is an arrow hammer, 3 is a water collection cylinder, 4 is a sealing cover, 41 is a cover body, 42 is a cover top, 43 is a cover handle, and 5 is a traction rope.

detailed description

The utility model will be further described below in conjunction with specific embodiments. Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than actual drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present utility model, some parts of the accompanying drawings will be omitted , enlargement or reduction, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings may be omitted.

As shown in Figures 1 to 3, the constant pressure water collecting device of the present invention includes a water collecting body, a hook 1 and a hammer 2 for triggering the hook 1 .

The water collection body includes a water collection cylinder 3, the hook 1 is arranged on the outside of the water collection cylinder 3, the water collection cylinder 3 is a hollow cylinder with openings at both ends, the two ends of the water collection cylinder 3 are respectively provided with sealing covers 4, and the sealing The cover 4 all includes a cover body 41 and a cover top 42, the outer diameter of the cover body 41 is adapted to the inner diameter of the water collection cylinder 3, the cross-sectional area of the cover top 42 is larger than the cross-sectional area of the cover body 41, and the inner sides of the cover body 41 are respectively connected and fixed. The rubber band in the water collection cylinder 3. Cover top 42 outside is provided with cover handle 43, and cover handle 43 is provided with small hole, and traction rope 5 passes through small hole and cover handle 43 is connected with hook 1 on the outside of water collection cylinder 3, and described cover top 42 inside is provided with waterproof Sealing ring, the waterproof sealing ring is set outside the cover body 41, and the inner diameter of the waterproof sealing ring is compatible with the outer diameter of the cover body 41. When the sealing cover 4 and the openings at both ends of the water collection cylinder 3 are closed, the waterproof sealing ring and the water collection cylinder 3 ports tightly bound. The cover body 41, cover top 42 and cover handle 43 are integrally formed.

A trigger device for triggering the hammer 2 is fixed on the hammer 2, and the trigger device includes circuit elements such as a power supply, an electromagnet, a pressure sensor, and an electromagnetic switch. The circuit connection diagram is shown in FIG. 3 . The pressure sensor is made of waterproof material to ensure its normal operation. The trigger device is sealed by a waterproof material to prevent short circuits caused by water ingress. The probe of the pressure sensor is external, and according to the relationship between seawater pressure and depth, the seawater depth where the collector is located can be calculated according to the pressure value of the pressure sensor.

When the trigger device was not triggered, the hook 1 pulled the traction rope 5, and the two ends of the traction rope 5 pulled the sealing cover 4 respectively, and the sealing cover 4 was fixed in the open state. When the water body needs to be collected at the designated location, the external pressure is sensed by the pressure sensor. When the designated pressure is reached, an electrical signal is sent out, the control electromagnetic switch is disconnected, the electromagnet is powered off, the arrow hammer 2 falls to trigger the hook 1 to spring up, and the traction rope 5. The pulling force of the sealing cover 4 disappears, the pulling force of the sealing cover 4 to the rubber band disappears, and the rubber band in the water collecting tube 3 shrinks in the water collecting tube 3, which drives the sealing cover 4 to be tightly combined with the openings at both ends of the water collecting tube 3, and the water collecting device closure.

The water collection body is provided with a cable. Before going to sea for investigation, take a water collector with a specified range as needed and check whether the circuit is working normally. When the water body needs to be collected at the designated location, release the cable and pull it up after releasing to a certain extent. The water collection process is completed.

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. All the implementation manners cannot be exhaustively listed here. All obvious changes or variations derived from the technical solutions of the utility model are still within the scope of protection of the utility model.

Claims (6)

1. a kind of level pressure hydrophore, it is characterised in that the arrow hammer including water acquisition body, hook and for triggering hook, the arrow The triggering device of triggering arrow hammer is fixed with hammer, the water acquisition body includes water acquisition cylinder, and the hook is arranged at water acquisition cylinder outside, The water acquisition cylinder is the hollow cylindrical tube of both ends open, and water acquisition cylinder two ends are respectively equipped with closure, and the closure includes lid Body and caping, the lid external diameter are adapted with water acquisition cylinder internal diameter, and caping cross-sectional area is more than lid cross-sectional area, the lid Inner side is connected and fixed on the outside of the rubber band in water acquisition cylinder, caping respectively is provided with lid handle, and lid is provided with aperture, and pull rope is passed through Aperture will be covered being connected with the hook on the outside of water acquisition cylinder, is provided with the inside of the caping in waterproof grommet, the waterproof grommet Footpath is adapted with lid external diameter, when closure is closed with water acquisition cylinder both ends open, and the waterproof grommet and water acquisition cylinder port are tight Close combination.

2. level pressure hydrophore according to claim 1, it is characterised in that the triggering device includes power supply, electromagnet, pressure Force snesor and electromagnetic switch.

3. level pressure hydrophore according to claim 2, it is characterised in that the triggering device is sealed by waterproof material, institute The probe for stating pressure sensor is external.

4. the level pressure hydrophore according to claim 1 or 2 or 3, it is characterised in that the lid, caping, lid are three one It is body formed.

5. level pressure hydrophore according to claim 2, it is characterised in that the pressure sensor uses waterproof material system Into.

6. level pressure hydrophore according to claim 1 or 5, it is characterised in that be provided with hawser on the water acquisition body.