CN114814146A

CN114814146A - Hand-held type sea water quality of water multiple spot detector

Info

Publication number: CN114814146A
Application number: CN202210747996.7A
Authority: CN
Inventors: 郑盛华; 刘小卫; 刘晓利; 王福利
Original assignee: Jiangsu Fansheng Marine Technology Co ltd
Current assignee: Jiangsu Fansheng Marine Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-07-29
Anticipated expiration: 2042-06-29
Also published as: CN114814146B

Abstract

The invention discloses a handheld seawater quality multipoint detector which comprises a machine body shell, wherein a high-pressure air cavity is arranged in the machine body shell, the left wall of the high-pressure air cavity is provided with a first air passage penetrating through the left surface of the machine body shell, a one-way valve is arranged on the first air passage, an air pump arranged on the first air passage is arranged on the left side of the one-way valve, and a first controller is arranged on the right high-pressure air cavity; the air pump is started to charge high-pressure air into the high-pressure air cavity, the first control valve can control the high-pressure air in the high-pressure air cavity to be instantly released into the emission cavity to push the floating platform and the detection head to be emitted out, the floating platform and the detection head are emitted out to be far away from the coast, the detector can detect the water quality condition of seawater, and the first water pump controls the sinking and floating of the detection head by controlling the amount of seawater in the detection cavity to realize the water quality detection of the seawater at different depths.

Description

Hand-held type sea water quality of water multiple spot detector

Technical Field

The invention relates to the technical field of water quality detection, in particular to a handheld multi-point detector for seawater quality.

Background

A water quality detector is a professional instrument for analyzing the content of water quality components, the monitoring of sewage discharge must be enhanced in order to protect the water environment, and the water quality detector plays an important role in environmental protection, water quality detection and water resource protection.

The existing detection technology is large in seashore waves, and can roll up the silt at the bottom of the shore to influence the accuracy of a water quality detection result, so that most of workers sit on ships to arrive at a certain monitoring area away from some distances away from the seashore to collect water samples, and obtain monitoring data through the analysis of onshore instrument equipment, the working efficiency is low, and the personal safety of the workers is not guaranteed when the ships encounter the heavy wind and waves, and the direct throwing-in type multi-probe detector is directly adopted, a sensor which is required to be thrown into seawater and a receiving device on the shore are connected by a cable, and only the seawater quality condition in a certain area can be detected, accurate detection data can be obtained by multi-point arrangement, and the water quality detection cost is increased.

Disclosure of Invention

The invention aims to provide a handheld seawater quality multi-point detector, which is used for overcoming the defects in the prior art.

The invention relates to a handheld seawater quality multipoint detector which comprises a machine body shell, wherein a high-pressure air cavity is arranged in the machine body shell, a first air passage penetrating through the left surface of the machine body shell is arranged on the left wall of the high-pressure air cavity, a one-way valve is arranged on the first air passage, an air pump arranged on the first air passage is arranged on the left side of the one-way valve, a first controller is arranged on the right side of the high-pressure air cavity, a first energy source which penetrates through the right surface of the machine body shell and is detachable is arranged below the first controller, a launching cavity is arranged below the high-pressure air cavity, the launching cavity is connected with the high-pressure air cavity through a second air passage, a first control valve is arranged on the second air passage, a floating platform which is in sliding connection is arranged in the launching cavity, and a recovery component for controlling the flying distance of the floating platform and recovering the floating platform is arranged on the top wall of the launching cavity, a cavity is arranged in the floating platform, a second energy source is arranged below the cavity, a second controller is arranged on the right of the second energy source, a power cavity which penetrates through the front surface and the rear surface of the floating platform and is provided with a downward opening is arranged below the second controller, a power assembly capable of driving the floating platform to move is arranged in the top wall of the power cavity, a detection head which is in sliding connection with the emission cavity is arranged below the floating platform, electromagnets with symmetrical left and right positions are arranged in the floating platform, permanent magnets corresponding to the positions of the electromagnets are arranged in the detection head, a wire take-up assembly for controlling the submergence depth of the detection head is arranged in the top wall of the power cavity, three detection cavities which are linearly arranged are arranged in the detection head, a detector is arranged on the top wall of the detection cavities, a water channel which penetrates through the surface of the detection head is arranged on the bottom wall of the detection cavities, and a first water pump is arranged on the water channel, launch chamber below intercommunication and be equipped with the decurrent maintenance chamber of opening, it can wash to launch chamber left float the platform with detect the washing subassembly of head, it can with to launch the right-hand stoving subassembly that is equipped with in chamber float the platform with detect the drying assembly that head surface moisture was dried.

Thus, when the floating platform and the detection head need to be launched, the air pump is started to charge high-pressure gas into the high-pressure gas cavity, the air pump stops working after the air pressure of the high-pressure gas cavity reaches a set value, the first control valve is started to conduct the second air passage so that the high-pressure gas in the high-pressure gas cavity is instantly released into the launching cavity to push the floating platform and the detection head to be launched out, the floating platform and the detection head are launched away from the coast, so that the aquatic weeds and the rolled silt on the coast can not influence the detection result of the quality of the seawater, the electromagnet can be electrified under the control of the second controller to obtain a magnetic attraction permanent magnet, the detection head is adsorbed and fixed at the lower end of the floating platform, the first water pump can suck the seawater into the detection cavity, the detector can detect the quality condition of the seawater, and the first water pump controls the sinking and floating of the detection head by controlling the amount of the seawater in the detection cavity, the seawater quality detection at different depths is realized, and the detector is arranged in the detection cavity, so that the detector can be prevented from being damaged by other external objects and severe environments in seawater, and the service life of the seawater quality detection device is prolonged.

Further technical scheme, retrieve the subassembly including set up in the transmission chamber roof and the decurrent first receipts line chamber of opening, first receipts install first motor in the chamber right wall of line, first motor left end face install with first receipts line chamber left wall rotates the first transmission shaft of connecting, the take-up pulley has set firmly on the first transmission shaft, around having first rope on the take-up pulley, first rope with showy platform can dismantle the connection.

Like this, the take-up pulley that is equipped with just can retrieve the floating platform through first rope under the drive of first motor, plays the effect of retrieving the floating platform, also can control the distance of floating platform departure through the length control that the control rope was emitted simultaneously, also can prevent that the floating platform from falling into and too big being washed away by the wave because of the stormy waves after the sea, causes economic loss, also can dismantle the convenient change of separation with first rope after the floating platform damages simultaneously.

According to the technical scheme, the power assembly comprises a second motor which is installed in the top wall of the power cavity and is symmetrical in left and right positions, a second transmission shaft extending into the power cavity is installed on the lower end face of the second motor, a sheath is fixedly arranged at the lower end of the second transmission shaft, a duct which runs through the front surface and the rear surface of the sheath is arranged in the sheath, a paddle fixing block is fixedly arranged at the top of the duct, a third motor is installed in the paddle fixing block, a third transmission shaft extending into the duct is installed on the front end face of the third motor, and a first paddle is fixedly arranged on the third transmission shaft.

Like this, the first paddle that is equipped with just can rotate under the drive of third motor and produce propulsion power, and the sheath that is equipped with can rotate under the drive of second motor, can promote under the combined action of second motor and third motor that the floating platform removes and changes the measuring position, carries out the sea water quality testing of multiple spot.

A further technical scheme, receive the line subassembly including set up in the power chamber roof and the decurrent second of opening receives the line chamber, the second is received and is installed the fourth motor in the line chamber right wall, fourth motor left end face install with the fourth transmission shaft that line chamber left wall rotation is connected is received to the second, the last reel that has set firmly of fourth transmission shaft, around having the second rope on the reel, the second rope with it can dismantle the connection to detect the head.

Like this, the hank wheel that is equipped with just can be under the drive of fourth motor through the second rope will detect the head and withdraw, play the effect that will detect the head and withdraw, also can detect the distance that the head is submerged through the length control that the control rope was played simultaneously, also can prevent that the detection head from being washed away by the wave, cause economic loss, also can dismantle the convenient change of separation with the second rope after detecting the head damage simultaneously.

Further technical scheme, wash the subassembly including set up in the washing liquid storage chamber in transmission chamber right side, washing liquid storage chamber left side wall threaded connection has and runs through the gag on engine body shell left surface, it has set firmly annular first water pipe to maintain the chamber roof, be equipped with annular water cavity in the first water pipe, the water cavity with washing liquid storage chamber is linked together through the second water pipe, install the second water pump on the second water pipe, the water cavity lateral wall is equipped with a plurality of nozzles that run through first water pipe surface.

Like this, the second water pump that is equipped with just can be with the washing liquid pump sending of washing liquid storage intracavity to the water cavity then through the nozzle blowout, play and wash the floating platform of being retrieved and detect the remaining sea water in head surface, prevent that sea water corrosion from damaging the surface of floating platform and detection head, make floating platform and detection head damage in advance.

Further technical scheme, the stoving subassembly including set up in the heating chamber in transmission chamber right side, install the fifth motor in the heating chamber roof, the terminal surface is installed and is extended to under the fifth motor fifth transmission shaft in the heating chamber, the second paddle has set firmly on the fifth transmission shaft, heating chamber right side wall is installed and is run through the filter screen on engine body shell right side surface, second paddle below install with heating chamber lateral wall fixed connection's heater, the heating chamber below be equipped with around maintain the hot-blast chamber that the chamber annular was arranged, the hot-blast chamber with the heater is linked together through the third air flue, hot-blast chamber lateral wall is equipped with and runs through maintain the gas pocket of chamber lateral wall.

Like this, the second paddle that is equipped with just can rotate under the drive of fifth motor and blow into hot-blast intracavity with outside air after the filter screen filters again after the heater heating, then blows in from the gas pocket and maintain the intracavity, will detect the head and float the bench remaining moisture and dry, prevents to float the platform and detect the corrosion of head surface.

According to the further technical scheme, a handle storage cavity with a left opening is formed in the left side of the maintenance cavity, a handle connected in a rotating mode is arranged in the handle storage cavity, and a lifting handle is fixedly arranged on the upper surface of the machine body shell.

Therefore, the lifting handle is convenient for detection personnel to carry the floating platform, and the handle can stabilize the floating platform and the detection head when the floating platform and the detection head are launched.

The invention has the beneficial effects that:

firstly, the air pump provided by the invention is started to charge high-pressure air into the high-pressure air cavity, the first control valve can enable the second air passage to be conducted, so that the high-pressure air in the high-pressure air cavity is instantaneously released into the emission cavity to push the floating platform and the detection head to be emitted out, the floating platform and the detection head are emitted out to be far away from the coast, so that the detection result of seawater quality is prevented from being influenced by waterweeds and rolled silt on the coast, the first water pump can suck seawater into the detection cavity, the detector can detect the water quality condition of the seawater, and the first water pump controls the sinking and floating of the detection head by controlling the amount of the seawater in the detection cavity, so that the seawater quality detection of different depths is realized.

Secondly, the take-up pulley provided by the invention can retract the floating platform through the first rope under the driving of the first motor, so that the effect of retracting the floating platform is achieved, the phenomenon that the floating platform is washed away by sea waves due to too large wind waves after falling into the sea can be prevented, so that economic loss is caused, the reel can retract the detection head through the second rope under the driving of the fourth motor, so that the effect of retracting the detection head is achieved, meanwhile, the length emitted by the rope can be controlled, the submerging distance of the detection head can be controlled, and the phenomenon that the detection head is washed away by sea waves can be prevented, so that the economic loss is caused.

Thirdly, the first paddle provided by the invention can rotate under the drive of the third motor to generate propulsion power, the sheath provided by the invention can rotate under the drive of the second motor, and the floating platform can be pushed to move to replace the measurement position under the combined action of the second motor and the third motor, so that the multi-point seawater quality detection is carried out.

Fourth, the second water pump that this invention was equipped with can be with the washing liquid pump sending of washing liquid storage intracavity to the water cavity then through the nozzle blowout, play and wash the floating platform of being retrieved and detect the remaining sea water in head surface, prevent that sea water from corroding to damage the surface of floating platform and detection head, make floating platform and detection head damage in advance, and the second paddle can rotate under the drive of fifth motor and blow into hot-blast intracavity after the filter screen filters external air again through the heater heating, then blow in from the gas pocket and maintain the intracavity, will detect head and float the epaxial remaining moisture of floating and dry, prevent floating platform and detect the corrosion of head surface.

Drawings

FIG. 1 is a schematic view of the appearance of a hand-held multi-point detector for seawater quality according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken at A-A in accordance with the present invention;

FIG. 3 is a schematic diagram of the construction of the reclamation assembly of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic illustration of the construction of the power assembly of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic structural view of the wire takeup assembly of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 at B-B in accordance with the present invention;

in the figure:

11. a body housing; 12. a hot air cavity; 13. air holes; 14. maintaining the cavity; 15. a handle; 16. a handle storage cavity; 17. a second water pipe; 18. a second water pump; 19. a detection head; 20. a cleaning liquid storage chamber; 21. a plug cover; 22. a floating platform; 23. an air pump; 24. a one-way valve; 25. a first air passage; 26. a second air passage; 27. a first control valve; 28. a high-pressure air cavity; 29. a handle; 30. a first controller; 31. a first energy source; 32. a fifth motor; 33. a second blade; 34. a fifth drive shaft; 35. a filter screen; 36. a heating cavity; 37. a heater; 38. a launch chamber; 39. a third air passage; 40. a cavity; 41. a second energy source; 42. an electromagnet; 43. a first water pipe; 44. a water chamber; 45. a nozzle; 46. a first water pump; 47. a water channel; 48. a detection chamber; 49. a permanent magnet; 50. a second controller; 51. a first rope; 52. a first motor; 53. a first drive shaft; 54. a take-up pulley; 55. a first wire take-up cavity; 56. a detector; 57. a power cavity; 58. a second rope; 59. a sheath; 60. a second wire take-up cavity; 61. a fourth drive shaft; 62. a fourth motor; 63. a second motor; 64. a second drive shaft; 65. a paddle fixing block; 66. a reel; 67. a first blade; 68. a third drive shaft; 69. a third motor; 70. a duct; 71. a recovery assembly; 72. a power assembly; 73. a wire take-up assembly; 74. cleaning the assembly; 75. and a drying component.

Detailed Description

For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the present invention will be taken in conjunction with the examples, it being understood that the following text is intended to describe only one hand-held seawater quality multipoint detector or several specific embodiments of the present invention, and is not intended to strictly limit the scope of the invention as specifically claimed, and as used herein, the terms up, down, left and right are not limited to their strict geometric definitions, but include tolerances for reasonable and inconsistent machining or human error, the following detailed description of the specific features of the hand-held seawater quality multipoint detector being set forth in detail:

referring to fig. 1 to 6, a handheld multi-point seawater quality detector according to an embodiment of the present invention includes a housing 11, a high pressure air chamber 28 is disposed in the housing 11, a first air passage 25 penetrating through a left surface of the housing 11 is disposed on a left wall of the high pressure air chamber 28, a check valve 24 is mounted on the first air passage 25, an air pump 23 mounted on the first air passage 25 is disposed on a left side of the check valve 24, a first controller 30 is disposed on a right side of the high pressure air chamber 28, a first detachable energy source 31 penetrating through a right surface of the housing 11 is disposed below the first controller 30, a launching chamber 38 is disposed below the high pressure air chamber 28, the launching chamber 38 is connected to the high pressure air chamber 28 through a second air passage 26, a first control valve 27 is mounted on the second air passage 26, a floating platform 22 slidably connected is disposed in the launching chamber 38, the top wall of the emission cavity 38 is provided with a recovery assembly 71 for controlling the flying-out distance of the floating platform 22 and recovering the floating platform 22, the floating platform 22 is internally provided with a cavity 40, a second energy source 41 is arranged below the cavity 40, a second controller 50 is arranged on the right side of the second energy source 41, a power cavity 57 which penetrates through the front surface and the rear surface of the floating platform 22 and has a downward opening is arranged below the second controller 50, a power assembly 72 capable of driving the floating platform 22 to move is arranged in the top wall of the power cavity 57, a detection head 19 which is in sliding connection with the emission cavity 38 is arranged below the floating platform 22, electromagnets 42 which are symmetrical in left and right positions are arranged in the floating platform 22, permanent magnets 49 which correspond to the electromagnets 42 are arranged in the detection head 19, a wire take-up assembly 73 for controlling the submergence depth of the detection head 19 is arranged in the top wall of the power cavity 57, three detection cavities 48 which are linearly arranged are arranged in the detection head 19, detect 48 roof in chamber and install detector 56, it is equipped with and runs through to detect 48 diapalls in chamber detect the water course 47 on head 19 surface, install first water pump 46 on the water course 47, it is equipped with the decurrent maintenance chamber 14 of opening to launch chamber 38 below intercommunication, it can wash to launch chamber 38 left float the platform 22 with detect the washing subassembly 74 of head 19, it can with to launch the right-hand stoving subassembly 75 that is equipped with of chamber 38 float the platform 22 with detect the drying of head 19 surface moisture.

Beneficially or exemplarily, the recycling assembly 71 includes a first wire-rewinding chamber 55 disposed in a top wall of the launching chamber 38 and having a downward opening, a first motor 52 is installed in a right wall of the first wire-rewinding chamber 55, a first transmission shaft 53 rotatably connected to a left wall of the first wire-rewinding chamber 55 is installed on a left end surface of the first motor 52, a wire-rewinding wheel 54 is fixedly installed on the first transmission shaft 53, a first rope 51 is wound on the wire-rewinding wheel 54, the first rope 51 is detachably connected to the floating platform 22, when the first motor 52 is started, the first motor 52 drives the wire-rewinding wheel 54 to rotate through the first transmission shaft 53, and the wire-rewinding wheel 54 drives the floating platform 22 to move through the first rope 51.

Advantageously or exemplarily, said power assembly 72 comprises a second motor 63 mounted in the top wall of said power chamber 57 and symmetrically positioned left and right, a second transmission shaft 64 extending into the power cavity 57 is mounted on the lower end surface of the second motor 63, the lower end of the second transmission shaft 64 is fixedly provided with a sheath 59, a duct 70 penetrating through the front and back surfaces of the sheath 59 is arranged in the sheath 59, a blade fixing block 65 is fixedly arranged at the top of the duct 70, a third motor 69 is arranged in the blade fixing block 65, a third transmission shaft 68 extending into the duct 70 is mounted on the front end surface of the third motor 69, a first blade 67 is fixedly arranged on the third transmission shaft 68, when the second motor 63 is started, the first paddle 67 drives the sheath 59 to rotate through the second transmission shaft 64, and when the third motor 69 is started, the third motor 69 drives the first paddle 67 to rotate through the third transmission shaft 68.

Beneficially or exemplarily, the wire rewinding assembly 73 includes a second wire rewinding cavity 60 disposed in the top wall of the power cavity 57 and having a downward opening, a fourth motor 62 is installed in the right wall of the second wire rewinding cavity 60, a fourth transmission shaft 61 rotatably connected to the left wall of the second wire rewinding cavity 60 is installed on the left end surface of the fourth motor 62, a reel 66 is fixedly installed on the fourth transmission shaft 61, a second rope 58 is wound on the reel 66, the second rope 58 is detachably connected to the detection head 19, when the fourth motor 62 is started, the fourth motor 62 drives the reel 66 to rotate through the fourth transmission shaft 61, and the reel 66 drives the detection head 19 to move through the second rope 58.

Advantageously or exemplarily, the cleaning assembly 74 includes a cleaning solution storage chamber 20 disposed at the right side of the launching chamber 38, a plug 21 threaded through the left surface of the machine body housing 11 is disposed on the left wall of the cleaning solution storage chamber 20, an annular first water pipe 43 is fixedly disposed on the top wall of the maintenance chamber 14, an annular water chamber 44 is disposed in the first water pipe 43, the water chamber 44 is communicated with the cleaning solution storage chamber 20 through a second water pipe 17, a second water pump 18 is mounted on the second water pipe 17, a plurality of nozzles 45 are disposed on the side wall of the water chamber 44 and penetrate through the surface of the first water pipe 43, and when the second water pump 18 is activated, the second water pump 18 pumps the cleaning solution in the cleaning solution storage chamber 20 into the water chamber 44 and then sprays the cleaning solution through the nozzles 45.

Advantageously or exemplarily, the drying assembly 75 includes a heating cavity 36 disposed at the right side of the emission cavity 38, a fifth motor 32 is installed in the top wall of the heating cavity 36, a fifth transmission shaft 34 extending into the heating cavity 36 is installed at the lower end surface of the fifth motor 32, a second blade 33 is fixedly installed on the fifth transmission shaft 34, a filter screen 35 penetrating through the right surface of the machine body housing 11 is installed on the right wall of the heating cavity 36, a heater 37 fixedly connected with the side wall of the heating cavity 36 is installed below the second blade 33, a hot air cavity 12 annularly arranged around the maintenance cavity 14 is installed below the heating cavity 36, the hot air cavity 12 is communicated with the heater 37 through a third air passage 39, an air hole 13 penetrating through the side wall of the maintenance cavity 14 is formed in the side wall of the hot air cavity 12, and when the heater 37 is activated, the heater 37 can heat air, when the fifth motor 32 is started, the fifth motor 32 drives the second blade 33 to rotate through the fifth transmission shaft 34, the second blade 33 rotates to filter outside air through the filter screen 35, the outside air is heated by the heater 37 and then blown into the hot air cavity 12, and then the outside air is blown into the maintenance cavity 14 through the air holes 13.

Advantageously or exemplarily, a handle storage cavity 16 with a left opening is arranged at the left of the maintenance cavity 14, a handle 15 rotatably connected with the handle storage cavity 16 is arranged in the handle storage cavity 16, and a handle 29 is fixedly arranged on the upper surface of the machine body shell 11.

The invention relates to a handheld seawater quality multipoint detector, which comprises the following working procedures:

when the seawater quality detection is needed, the air pump 23 is started, the air pump 23 fills high-pressure air into the high-pressure air chamber 28, the air pump 23 stops working after the air pressure of the high-pressure air chamber 28 reaches a set value, then a detector holds the handle 29 and the handle 15 to align the maintenance chamber 14 to a distant place on the coast, the first control valve 27 is started, the second air passage 26 is conducted to instantly release the high-pressure air in the high-pressure air chamber 28 into the emission chamber 38 to push the floating platform 22 and the detection head 19 to be emitted, the electromagnet 42 is powered off under the control of the second controller 50 after the floating platform 22 and the detection head 19 fall into the sea to lose magnetism to release the detection head 19, the floating platform 22 floats on the sea surface, the detection head 19 is immersed in the seawater, then the first water pump 46 below is started to suck the seawater into the detection chamber 48 below, the buoyancy of the detection head 19 is reduced by a certain distance, and the fourth motor 62 is started to release the submergence of the second rope 58 to cooperate with the detection head 19, then the detector 56 starts to detect the water quality condition of the seawater in the depth area, the above actions are repeated after the water quality condition of one depth is detected, the detection head 19 is mechanically descended to detect the water quality of the seawater in a deeper depth until all three detectors 56 detect the seawater, then the first water pump 46 empties the seawater in the detection cavity 48 and the fourth motor 62 is matched to withdraw the detection head 19, then the second motor 63 and the third motor 69 are simultaneously started to control the detection head 19 to move the replacement position, and the above actions are continuously repeated to finish the multi-point seawater quality detection;

after the detection is finished, the first motor 52 is started to withdraw the floating platform 22 and the detection head 19 into the maintenance cavity 14, the detection personnel carries the handle 29 to enable the maintenance cavity 14 to face downwards, then the second water pipe 17 is started to spray the cleaning liquid in the cleaning liquid storage cavity 20 onto the floating platform 22 and the detection head 19 to flush away residual seawater, then the fifth motor 32 and the heater 37 are started simultaneously to heat air and blow the air into the maintenance cavity 14 to dry moisture on the floating platform 22 and the detection head 19, and then the first motor 52 is started to withdraw the floating platform 22 and the detection head 19 into the emission cavity 38 to finish all actions.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a hand-held type sea water quality of water multiple spot detector, includes engine body shell (11), its characterized in that: a high-pressure air chamber (28) is arranged in the engine body shell (11), a first air passage (25) penetrating through the left surface of the engine body shell (11) is arranged on the left wall of the high-pressure air chamber (28), a one-way valve (24) is installed on the first air passage (25), an air pump (23) installed on the first air passage (25) is arranged on the left side of the one-way valve (24), a first controller (30) is arranged on the right side of the high-pressure air chamber (28), a detachable first energy source (31) penetrating through the right surface of the engine body shell (11) is arranged below the first controller (30), a launching chamber (38) is arranged below the high-pressure air chamber (28), the launching chamber (38) is connected with the high-pressure air chamber (28) through a second air passage (26), a first control valve (27) is installed on the second air passage (26), and a floating platform (22) in sliding connection is arranged in the launching chamber (38), the launching cavity (38) top wall is provided with a recovery component (71) for controlling the flying-out distance of the floating platform (22) and recovering the floating platform (22), a cavity (40) is arranged in the floating platform (22), a second energy source (41) is arranged below the cavity (40), a second controller (50) is arranged on the right side of the second energy source (41), a power cavity (57) which penetrates through the front surface and the rear surface of the floating platform (22) and has a downward opening is arranged below the second controller (50), a power component (72) which can drive the floating platform (22) to move is arranged in the top wall of the power cavity (57), a detection head (19) which is connected with the launching cavity (38) in a sliding manner is arranged below the floating platform (22), electromagnets (42) which are symmetrical in left and right positions are arranged in the detection head (19), and permanent magnets (49) which correspond to the positions of the electromagnets (42) are arranged in the detection head (19), be equipped with control in power chamber (57) roof detect line subassembly (73) of head (19) dive degree of depth, be equipped with three detection chamber (48) that the linearity was arranged in detection head (19), detect chamber (48) roof and install detector (56), it is equipped with and runs through to detect chamber (48) diapire detect water course (47) on head (19) surface, install first water pump (46) on water course (47), transmission chamber (38) below intercommunication is equipped with opening decurrent maintenance chamber (14), transmission chamber (38) left is equipped with and can washs floating platform (22) with detect washing subassembly (74) of head (19), right-hand being equipped with in transmission chamber (38) can with floating platform (22) with detect drying component (75) that head (19) surface moisture was dried.

2. The hand-held multi-point detector for seawater quality as claimed in claim 1, wherein: retrieve subassembly (71) including set up in transmission chamber (38) roof and the first receipts line chamber (55) that open side down, first receipts line chamber (55) right side wall is interior install first motor (52), first motor (52) left end face install with first receipts line chamber (55) left side wall rotates first transmission shaft (53) of connecting, set firmly take-up pulley (54) on first transmission shaft (53), around having first rope (51) on take-up pulley (54), first rope (51) with floating platform (22) can dismantle the connection.

3. The hand-held seawater quality multi-point detector of claim 1, which is characterized in that: power component (72) including install in power chamber (57) roof and second motor (63) of bilateral symmetry, the terminal surface is installed to second motor (63) and is extended to second transmission shaft (64) in power chamber (57), second transmission shaft (64) lower extreme has set firmly sheath (59), be equipped with in sheath (59) and run through duct (70) of surface around sheath (59), duct (70) top has set firmly paddle fixed block (65), install third motor (69) in paddle fixed block (65), the terminal surface is installed before third motor (69) has extended to third transmission shaft (68) in duct (70), set firmly first paddle (67) on third transmission shaft (68).

4. The hand-held seawater quality multi-point detector of claim 1, which is characterized in that: receive line subassembly (73) including set up in power chamber (57) roof in and the decurrent second of opening receive line chamber (60), the second is received and is installed fourth motor (62) in line chamber (60) right wall, fourth motor (62) left end face install with the second is received line chamber (60) left wall and is rotated fourth transmission shaft (61) of connecting, fifth wheel (66) have set firmly on fourth transmission shaft (61), around having second rope (58) on fifth wheel (66), second rope (58) with detect head (19) and can dismantle the connection.

5. The hand-held seawater quality multi-point detector of claim 1, which is characterized in that: wash subassembly (74) including set up in washing liquid storage chamber (20) in transmission chamber (38) right side, washing liquid storage chamber (20) left side wall threaded connection has and runs through gag (21) of engine body shell (11) left surface, maintenance chamber (14) roof has set firmly annular first water pipe (43), be equipped with annular water chamber (44) in first water pipe (43), water chamber (44) with washing liquid storage chamber (20) are linked together through second water pipe (17), install second water pump (18) on second water pipe (17), water chamber (44) lateral wall is equipped with a plurality of nozzle (45) that run through first water pipe (43) surface.

6. The hand-held seawater quality multi-point detector of claim 1, which is characterized in that: the drying assembly (75) comprises a heating cavity (36) arranged at the right side of the emission cavity (38), a fifth motor (32) is arranged in the top wall of the heating cavity (36), a fifth transmission shaft (34) extending into the heating cavity (36) is arranged on the lower end surface of the fifth motor (32), a second blade (33) is fixedly arranged on the fifth transmission shaft (34), a filter screen (35) penetrating through the right surface of the machine body shell (11) is arranged on the right wall of the heating cavity (36), a heater (37) fixedly connected with the side wall of the heating cavity (36) is arranged below the second paddle (33), a hot air cavity (12) which is annularly arranged around the maintenance cavity (14) is arranged below the heating cavity (36), the hot air cavity (12) is communicated with the heater (37) through a third air channel (39), the side wall of the hot air cavity (12) is provided with an air hole (13) which penetrates through the side wall of the maintenance cavity (14).

7. The hand-held seawater quality multi-point detector of claim 1, which is characterized in that: a handle storage cavity (16) with a leftward opening is arranged on the left of the maintenance cavity (14), a handle (15) which is rotatably connected is arranged in the handle storage cavity (16), and a handle (29) is fixedly arranged on the upper surface of the machine body shell (11).