CN216290136U - Cable fixed knot constructs and portable pesticide detector - Google Patents

Abstract

The utility model discloses a cable fixing structure and a portable pesticide detector. Portable pesticide detector includes shell, case lid, display screen, instrument body and cable fixed knot construct etc. cable fixed knot constructs, cable fixed knot constructs including cable fixing device, cable fixing device is fixed in the instrument body, simultaneously still be provided with detection channel, heating plate etc. on the instrument body. According to the portable pesticide detector, the specially designed cable fixing structure is adopted, so that the cable can be conveniently and regularly accommodated, and the portability of the whole detector is ensured. Meanwhile, the portable pesticide detector is simple in structure and convenient to use, the workload of detection personnel can be greatly reduced, the accuracy of detection results is improved, meanwhile, the detection results can be automatically recorded and uploaded, the requirements of field detection can be well met, and the authenticity of detection data is guaranteed.

Description

Cable fixed knot constructs and portable pesticide detector

Technical Field

The utility model relates to the technical field of optical equipment, in particular to a portable pesticide detector and a cable fixing structure thereof.

Background

Pesticide residue detection cards have been widely used and are mostly used for field detection in the planting industry. At present, a user does not need an instrument or uses a simple detector in the using process. If the instrument is not used, the user needs to hold the detection card by hands and waits for the reaction time to end, the constant-temperature reaction at 37 ℃ cannot be accurately provided, the detection speed is low, the working intensity of personnel is high, and the time is long. If an instrument is used, most of the existing detectors are simple and easy, mainly comprise two parts, namely a heating module and a control module, and can only provide 37-DEG C constant-temperature reaction and countdown functions, a reaction cover cannot be automatically covered after timing is finished, manual closing is needed, the instrument has no storage battery function, and field detection cannot be realized. In addition, at present, no matter an instrument is used or the instrument is not used, the judgment needs to be carried out by human eyes, the objectivity is lacked in the judgment of the detection result, the detection result cannot be stored, the detection result needs to be manually registered, the detection result cannot be directly uploaded to a supervision platform, and the authenticity of the detection data cannot be guaranteed. In addition, most of the detecting instruments in the prior art do not have a fixing structure for a power line, so that the power line is difficult to be regulated in the using process, the working space is disordered, and the portability of the whole detecting instrument is also influenced.

In view of the above, the present inventors propose a portable pesticide detector and a cable fixing structure thereof.

Disclosure of Invention

The utility model mainly aims to provide a portable pesticide detector and a cable fixing structure thereof, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a cable fixing structure, includes cable fixing device, cable fixing device's rear end lower part fixed mounting has the bottom plate, cable fixing device's upper end middle part fixed mounting has vertical board, the rectangle chamber has been seted up to cable fixing device's upper end front portion, and is provided with cable conveying mechanism in the rectangle chamber, the anterior one side of cable fixing device upper end is provided with the mount table, one side fixed mounting that the mount table was kept away from to cable fixing device upper end front portion has the switch, the anterior fixed mounting in inner chamber in rectangle chamber has fastening device, the through-hole has been seted up at the rear side wall middle part in rectangle chamber, and fixed mounting has smooth becket in the through-hole, vertical groove has been seted up to the left side wall in rectangle chamber and right side wall upper portion symmetry.

Preferably, the cable conveying mechanism comprises a motor which is fixedly installed on the table top of the installation table and can rotate forwards and reversely, the output end of the motor which can rotate forwards and reversely is provided with a driving shaft through a coupler, the driving shaft is connected between the left side wall and the right side wall of the rectangular cavity in a rotating mode through an annular bearing, a driven shaft which is parallel to the driving shaft is installed in the position, located right below the driving shaft, of the rectangular cavity in a rotating mode through the annular bearing, and compression rollers are fixedly installed in the middle of the outer surface of the driven shaft and in the middle of the outer surface of the driving shaft.

Preferably, the middle part of the outer surface of the compression roller is provided with an inward concave annular groove, a plurality of elastic convex strips are fixedly mounted in the annular groove, and the elastic convex strips are arranged in an annular array.

Preferably, the fastening device includes the fixed plate of fixed mounting in the anterior base of rectangle intracavity chamber and fixed mounting in cable fixing device upper end, and the fixed plate is located directly over rectangle chamber and base, the upper end middle part threaded connection of fixed plate has the screw rod, screw rod upper end fixed mounting has the knob, the screw rod lower extreme extends to the rectangle intracavity and installs the clamp plate through the bearing, the equal fixed mounting of left end and the right-hand member of clamp plate has the stopper.

Preferably, a limiting groove is formed in the middle of the lower end of the pressing plate and in the middle of the upper end of the silica gel pad, and the silica gel pad is fixedly mounted on the inner wall of the limiting groove.

Preferably, the two fixing plates are respectively arranged in the two vertical grooves in a sliding manner and the pressing plate and the cable fixing device are installed together in a sliding manner.

The utility model provides a portable pesticide detector, includes shell and above-mentioned cable fixed knot and constructs, the upper end of shell articulates there is the case lid that has the hasp, the case lid is close to the one end fixed mounting of shell up end has the display screen, the inner chamber fixed mounting of shell has the instrument body, a rectangular channel has been seted up to the front portion of instrument body, and fixed mounting has cable fixing device in this rectangular channel, detection channel has been seted up at instrument body upper end middle part, fixed mounting has the heating plate in the detection channel, detection channel's upper portion opening part is provided with the book and presses the apron, instrument body upper end rear portion one side is provided with USB interface and printer, instrument body upper end rear portion still is provided with mouse keyboard input area.

Preferably, a storage cavity for storing cables is formed between the vertical plate in the cable fixing structure and the rear side wall of the rectangular groove in the front part of the instrument body.

Preferably, the instrument body is internally provided with a central processing unit, a transmission module, an image shooting module, a storage module and a temperature control module, and the central processing unit is respectively electrically connected with the transmission module, the image shooting module, the storage module, the temperature control module and the printer.

Preferably, the instrument body is also internally provided with a storage battery module and a power line for charging, and a plug of the power line is positioned outside the shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the portable pesticide detector, the cable fixing structure is arranged in the portable pesticide detector, so that in the actual use process, regular collection of power line cables can be realized by using the forward and reverse motors, the portability of the whole detector is ensured, the occupied space is saved, and the portable pesticide detector has high practicability.

2. The portable pesticide detector disclosed by the utility model is simple in structure and convenient to use, the workload of detection personnel can be greatly reduced, the accuracy of a detection result is improved, meanwhile, the detection result can be automatically recorded and uploaded, the requirements of field detection can be well met, and the authenticity of detection data is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a portable pesticide detector according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a cable fixing device according to an embodiment of the present invention;

FIG. 3 is a schematic view of the overall structure of a cable conveying mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of the overall structure of a fastening mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating an opening position of a through hole according to an embodiment of the present invention;

FIG. 6 is a schematic block diagram illustrating the connection of the internal sub-assembly of the portable pesticide detector in an embodiment of the present invention;

fig. 7 is a flowchart illustrating the operation of a portable pesticide detector according to an embodiment of the present invention.

In the figure: 1. a cable fixing device; 2. an instrument body; 3. a housing; 4. a box cover; 5. a display screen; 6. a USB interface; 7. a printer; 8. a mouse and keyboard input area; 9. a heating plate; 10. folding and pressing the cover plate; 11. a base plate; 12. an installation table; 13. a vertical plate; 14. a switch; 15. a rectangular cavity; 16. a cable conveying mechanism; 161. a motor capable of rotating forward and backward; 162. a drive shaft; 163. a compression roller; 164. a driven shaft; 165. elastic convex strips; 17. a fastening mechanism; 171. a base; 172. pressing a plate; 173. a limiting block; 174. a fixing plate; 175. a screw; 176. a knob; 177. a silica gel pad; 178. a vertical slot; 18. a through hole; 19. a smooth metal ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained in the following by combining the attached drawings and the embodiments.

As shown in fig. 1-5, the present embodiment provides a portable pesticide detector, which comprises a housing 3 and a cable fixing structure, the upper end of the shell 3 is hinged with a box cover 4 with a lock catch, one end of the box cover 4 close to the upper end surface of the shell 3 is fixedly provided with a display screen 5, an instrument body 2 is fixedly arranged in the inner cavity of the shell 3, a rectangular groove is arranged at the front part of the instrument body 2, the cable fixing structure comprises a cable fixing device 1, the cable fixing device 1 is fixedly arranged in the rectangular groove, a detection channel 21 is arranged in the middle of the upper end of the instrument body 2, a heating plate 9 is fixedly arranged in the detection channel 21, the upper opening of the detection channel 21 is provided with a folding cover plate 10, one side of the rear part of the upper end of the instrument body 2 is provided with a USB interface 6 and a printer 7, and the rear part of the upper end of the instrument body 2 is also provided with a mouse and keyboard input area 8.

Further, a bottom plate 11 is fixedly installed at the lower part of the rear end of the cable fixing device 1, a vertical plate 13 is fixedly installed at the middle part of the upper end of the cable fixing device 1, a rectangular cavity 15 is formed in the front part of the upper end of the cable fixing device 1, a cable conveying mechanism 16 is arranged in the rectangular cavity 15, an installation table 12 is arranged on one side of the front part of the upper end of the cable fixing device 1, a switch 14 is fixedly installed at one side of the front part of the upper end of the cable fixing device 1, which is far away from the installation table 12, a fastening mechanism 17 is fixedly installed at the front part of an inner cavity of the rectangular cavity 15, a through hole 18 is formed in the middle part of the rear side wall of the rectangular cavity 15, a smooth metal ring 19 is fixedly installed in the through hole 18, vertical grooves 178 are symmetrically formed in the upper parts of the left side wall and the right side wall of the rectangular cavity 15, and a storage battery module and a power cord for charging are further arranged in the instrument body 2, the plug of the power line is positioned outside the shell 3; through holes 18 are provided for inserting the cables, while a smooth metal ring 19 is used for protecting the cables.

Specifically, as shown in fig. 3, the cable conveying mechanism 16 includes a motor 161 capable of rotating forward and backward, which is fixedly mounted on the table top of the mounting table 12, an output end of the motor 161 capable of rotating forward and backward is fixedly mounted with a driving shaft 162 through a coupling, the driving shaft 162 is rotatably connected between the left side wall and the right side wall of the rectangular cavity 15 through an annular bearing, a driven shaft 164 parallel to the driving shaft 162 is rotatably mounted in the position of the rectangular cavity 15 right below the driving shaft 162 through an annular bearing, and pressing rollers 163 are fixedly mounted in the middle of the outer surface of the driven shaft 164 and the middle of the outer surface of the driving shaft 162; it can be seen that, when the motor 161 capable of rotating forward and reversely works, it can drive the compression rollers 163 to rotate, in actual work, the cable of the detector is inserted between the two compression rollers 163, that is, the cable can be conveyed by the motor 161 capable of rotating forward and reversely, and the longer cable can be stored in the storage cavity formed between the rectangular grooves on the bottom plate 11 and the vertical plate 13 and the front part of the instrument body 2.

In addition, the surface middle part of compression roller 163 sets up inside sunken annular groove, and fixed mounting has a plurality of elastic protruding strips 165 in this annular groove, and a plurality of elastic protruding strips 165 arrange for annular array, and wherein elastic protruding strip 165 adopts and makes with elastic rubber material, and it is direct and the epidermis contact of cable guarantees to have sufficient frictional force between compression roller 163 and the cable. In addition, in order to avoid the damage of the device caused by the excessive pulling out of the cable due to the operation of the motor 161 capable of rotating forward and backward, a fixing buckle for fixing the cable is arranged at the connection position of the cable and the instrument body 2, meanwhile, the switch 14 for controlling the motor 161 capable of rotating forward and backward can also be connected with a central processing unit in the instrument body 2, and the central processing unit controls the switch 14 to be opened and closed, thereby avoiding the occurrence of the above-mentioned unexpected situation.

The fastening mechanism 17 comprises a base 171 fixedly installed at the front part of the inner cavity of the rectangular cavity 15 and a fixing plate 174 fixedly installed at the upper end of the cable fixing device 1, the fixing plate 174 is positioned right above the rectangular cavity 15 and the base 171, the middle part of the upper end of the fixing plate 174 is in threaded connection with a screw 175, the upper end of the screw 175 is fixedly installed with a knob 176, the lower end of the screw 175 extends into the rectangular cavity 15 and is installed with a pressing plate 172 through a bearing, the left end and the right end of the pressing plate 172 are fixedly installed with a limiting block 173, wherein the two fixing plates 174 are respectively arranged in two vertical grooves 178 in a sliding manner and slidably install the pressing plate 172 and the cable fixing device 1 together; a limiting groove is formed in the middle of the lower end of the pressing plate 172 and the middle of the upper end of the silica gel pad 177, and the silica gel pad 177 is fixedly mounted on the inner wall of the limiting groove; when the cable is required to be fixed to avoid the cable from extending out too long, the pressing plate 172 can be lowered by using the screw rod principle only by rotating the knob 176, and then the cable is compressed by using the silica gel pads 177 in the two limiting grooves, so that the cable can be prevented from being drawn out.

When the cable fixing structure is used, the pressing plate 172 only needs to be moved upwards by rotating the knob 176, the cable is in a pulled-out state at the moment, the forward and reverse rotating motor 161 is started, the pressing roller 163 can be driven to rotate, in practice, the cable of the detector is inserted between the two pressing rollers 163, the cable can be conveyed through the forward and reverse rotating motor 161, when the cable is pulled out to a proper length, the forward and reverse rotating motor 161 can be closed, then the knob 176 is rotated, the pressing plate 172 can be lowered by utilizing the lead screw principle, the cable is pressed tightly by utilizing the silica gel pads 177 in the two limiting grooves, the exposed length of the cable is always kept fixed and unchanged, the cable fixing structure is convenient to use, and when the cable needs to be retracted, the cable can be collected and enters the vertical plate 13 and the rear side wall of the rectangular groove in the front part of the instrument body 2 to form a cable storage structure for storing the cable In the cavity, the storage and the arrangement of the cables are realized.

Further, in the portable pesticide detector of the present embodiment, the flap 10 is used to close and open the detection passage 21, and the heating plate 9 is provided with 12 mounting platforms and is fixedly mounted in the detection passage.

Referring to fig. 6, the instrument body 2 is further provided therein with a central processing unit, a transmission module, an image recording module (such as a digital camera, a camera), a storage module, and a temperature control module, wherein the central processing unit is electrically connected to the transmission module, the image recording module, the storage module, the temperature control module, and the printer 7.

The transmission module controls the opening and closing of the flap cover 10, and the detailed structure of the transmission module is not described herein, and the opening and closing of the flap cover 10 can be realized by using the basic transmission principle in the prior art. For example, the transmission module may employ pneumatically driven telescopic drive elements, hydraulically driven telescopic elements, or the like.

In this embodiment, the body 2 is further provided with a reset circuit, a power supply circuit and an information storage processing circuit electrically connected to the central processing unit, the printing circuit and the microcomputer interface circuit are both electrically connected to the central processing unit, the central processing unit transmits the printing information to the printing circuit, and the printing circuit controls the printer 7 to print.

As shown in fig. 7, the working principle of the portable pesticide detector of the embodiment is as follows:

1. the instrument display screen is provided with detection software which is the existing known software, a user directly registers a detection task with the detection software, and sets required reaction time and reaction temperature, wherein the reaction temperature is controlled by the temperature control module and has reaction time adjustment; before the detection starts, the folding cover plate 10 needs to be opened by the transmission module, and a detection card is put in.

2. After the pre-reaction time is over, under the action of the transmission module, the background value of the sample is read, and then the reaction bin is tightly covered to perform a color reaction.

3. And after the color reaction is finished, the reaction bin is opened, and the reaction result is read.

And calculating the reaction result by combining reading of the two reaction results, wherein the reaction result can realize data storage, printing and data uploading.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (10)

1. A cable fixing structure is characterized by comprising a cable fixing device (1), a bottom plate (11) is fixedly mounted at the lower portion of the rear end of the cable fixing device (1), a vertical plate (13) is fixedly mounted at the middle portion of the upper end of the cable fixing device (1), a rectangular cavity (15) is formed in the front portion of the upper end of the cable fixing device (1), a cable conveying mechanism (16) is arranged in the rectangular cavity (15), an installation table (12) is arranged on one side of the front portion of the upper end of the cable fixing device (1), a switch (14) is fixedly mounted on one side, far away from the installation table (12), of the front portion of the upper end of the cable fixing device (1), a fastening mechanism (17) is fixedly mounted at the front portion of an inner cavity of the rectangular cavity (15), a through hole (18) is formed in the middle portion of the rear side wall of the rectangular cavity (15), and a smooth metal ring (19) is fixedly mounted in the through hole (18), vertical grooves (178) are symmetrically formed in the upper portions of the left side wall and the right side wall of the rectangular cavity (15).

2. The cable fixing structure according to claim 1, wherein: but cable conveying mechanism (16) include corotation and the motor of reversal (161) on the mesa of mount table (12) of fixed mounting, but corotation and the output of the motor of reversal (161) pass through shaft coupling fixed mounting have driving shaft (162), driving shaft (162) rotate through annular bearing and connect between the left side wall and the right side wall in rectangle chamber (15), and rectangle chamber (15) are located driving shaft (162) the position under and rotate through annular bearing and install driven shaft (164) that are parallel to each other with driving shaft (162), the equal fixed mounting in surface middle part of driven shaft (164) and the surface middle part of driving shaft (162) has compression roller (163).

3. The cable fixing structure according to claim 2, wherein: the outer surface middle part of compression roller (163) sets up inside sunken annular groove, and this annular groove internal fixation installs a plurality of elasticity sand grips (165), and a plurality of elasticity sand grips are arranged for annular array.

4. The cable fixing structure according to claim 1, wherein: fastening device (17) include fixed mounting at the anterior base (171) of rectangle chamber (15) inner chamber and fixed plate (174) of fixed mounting in cable fixing device (1) upper end, and fixed plate (174) are located rectangle chamber (15) and base (171) directly over, the upper end middle part threaded connection of fixed plate (174) has screw rod (175), screw rod (175) upper end fixed mounting has knob (176), screw rod (175) lower extreme extends to in rectangle chamber (15) and installs clamp plate (172) through the bearing, the equal fixed mounting of left end and the right-hand member of clamp plate (172) has stopper (173).

5. The cable fixing structure according to claim 4, wherein: a limiting groove is formed in the middle of the lower end of the pressing plate (172) and in the middle of the upper end of the silica gel pad (177), and the silica gel pad (177) is fixedly mounted on the inner wall of the limiting groove.

6. The cable fixing structure according to claim 4, wherein: the two fixing plates (174) are respectively arranged in the two vertical grooves (178) in a sliding mode, and the pressing plate (172) and the cable fixing device (1) are installed together in a sliding mode.

7. A portable pesticide detector is characterized by comprising a shell (3) and a cable fixing structure according to any one of claims 1 to 6, wherein a box cover (4) with a lock catch is hinged to the upper end of the shell (3), a display screen (5) is fixedly mounted at one end, close to the upper end face of the shell (3), of the box cover (4), an instrument body (2) is fixedly mounted in an inner cavity of the shell (3), a rectangular groove is formed in the front portion of the instrument body (2), a cable fixing device (1) is fixedly mounted in the rectangular groove, a detection channel (21) is formed in the middle of the upper end of the instrument body (2), a heating sheet (9) is fixedly mounted in the detection channel (21), a folding cover plate (10) is arranged at an opening of the upper portion of the detection channel (21), a USB interface (6) and a printer (7) are arranged on one side of the rear portion of the upper end of the instrument body (2), the rear part of the upper end of the instrument body (2) is also provided with a mouse and keyboard input area (8).

8. The portable pesticide detector of claim 7, wherein: a storage cavity for storing cables is formed between a vertical plate (13) in the cable fixing structure and the rear side wall of the rectangular groove in the front of the instrument body (2).

9. The portable pesticide detector of claim 7, wherein: the instrument body (2) is internally provided with a central processing unit, a transmission module, an image shooting module, a storage module and a temperature control module, wherein the central processing unit is respectively electrically connected with the transmission module, the image shooting module, the storage module, the temperature control module and a printer (7).

10. The portable pesticide detector of claim 7, wherein: still be provided with battery module and the power cord that is used for charging in instrument body (2), the plug of power cord is located shell (3) outsidely.

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