An intelligent land contracting precision measuring instrument

Abstract

The invention relates to the technical field of land surveying, and specifically discloses an intelligent land contracting precision measuring instrument, comprising: a moving mechanism, the moving mechanism comprising a mounting frame, the number of the mounting frames being two, side panels fixedly mounted on both sides of the two mounting frames, a support frame fixedly mounted on the side panels, a moving wheel movably mounted on one end of the support frame, wherein a cross bar is connected between two support frames on the same side, a longitudinal buffer component is arranged on one side of the two mounting frames, a positioning shaft is arranged between the two longitudinal buffer components, a connecting rod is fixedly mounted on the support frame, and a measuring mechanism, the measuring mechanism comprising a rotating wheel movably connected to the peripheral side of the cross bar, and a ring plate is connected to the peripheral side of the rotating wheel; the device enables the contractor to have a specific understanding of various parameters of the land by arranging a mounting frame with a longitudinal buffer component on a trolley, and provides all-round protection measures for the acre measuring instrument by using an anti-shake component and a windproof baffle plate, so as to reduce the influence of the shaking of the trolley when moving on the measurement accuracy.

Description

Technical Field

[0001] The present invention belongs to the technical field of land surveying, and in particular relates to an intelligent land contracting precision surveying instrument. Background Art

[0002] After contracting a piece of land, the contractor needs to conduct specific measurements of the area, topography, soil quality and other relevant parameters of the land, and decide how to proceed with the next development activities based on these parameters;

[0003] A land surveying device and its use method are proposed according to the patent with publication number CN 118533020 B. Its technical scheme includes: a speed limiting component, including a fixed shell, an acceleration component, a centrifugal shaft, a slider, a connecting rod, a centrifugal spring, a pull ring, an upper pressure block, a shift block, a shift plate and a deceleration movable plate. The acceleration component is arranged inside the fixed shell, the centrifugal shaft is fixedly installed on the acceleration component, the centrifugal spring is fixedly installed on the arc surface of the centrifugal shaft, the slider is fixedly installed on the end of the centrifugal spring away from the centrifugal shaft, the side of the slider is rotatably connected to the connecting rod, and the end of the connecting rod is hinged to the pull ring. In the process of winding the measuring ruler of the present invention, the upper pressure block squeezes the shift block downward, and the shift block uses the shift plate to clamp the measuring ruler with the deceleration movable plate and the deceleration fixed plate, thereby increasing the resistance between the measuring ruler and the deceleration movable plate and the deceleration fixed plate, reducing the winding speed, and preventing the measuring ruler from winding too fast and causing harm to people;

[0004] Traditional land measurement equipment is easily affected by external wind and shaking during movement, resulting in inaccurate data and the inability to accurately determine the various parameters of the contracted land.

[0005] To this end, those skilled in the art have proposed an intelligent land contracting precision measurement instrument to solve the problems raised by the background technology.

[0006] The above information disclosed in this background technology is only used to increase the understanding of the background technology of the present invention and therefore, it may include information that does not constitute the prior art known to ordinary technicians in this field. Summary of the invention

[0007] The purpose of the present invention is to provide an intelligent land contracting precision measuring instrument to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] An intelligent land contracting precision measuring instrument, comprising:

[0010] The mobile mechanism comprises a mounting frame, the number of the mounting frames is two, the two sides of the two mounting frames are fixedly mounted with side plates, the side plates are fixedly mounted with support frames, the number of the support frames is two, one end of the support frame is movably mounted with a moving wheel, wherein a cross bar is connected between the two support frames on the same side, one side of the two mounting frames is provided with a longitudinal buffer assembly, a positioning shaft is provided between the two longitudinal buffer assemblies, a connecting rod is fixedly mounted on the support frame, and a handle is connected to the connecting rod;

[0011] The measuring mechanism comprises a rotating wheel movably connected to the peripheral side of the cross bar, the peripheral side of the rotating wheel is connected to a ring plate, the peripheral side of the ring plate is fixedly connected to a plurality of sampling rods, the sampling rods are provided with humidity sensors, the peripheral side of the positioning shaft is sleeved with a movable rotating drum, the movable rotating drum is provided with an anti-shake component, a storage box is installed on the anti-shake component, the upper surface of the storage box is provided with a storage groove, and an acre meter is placed in the storage groove.

[0012] Preferably, the longitudinal buffer assembly includes a longitudinal sliding groove opened on the mounting frame, a longitudinal slider is arranged inside the longitudinal sliding groove, the longitudinal slider is slidably matched with the longitudinal sliding groove, both ends of the longitudinal slider are fixedly connected with longitudinal buffer springs, and one end of the longitudinal buffer spring is connected to the longitudinal sliding groove.

[0013] Preferably, one end of the longitudinal slider is fixedly connected to a receiving plate, the number of the longitudinal slider and the receiving plate are both two, and the positioning shaft is fixedly connected between the two receiving plates.

[0014] Preferably, extension plates are fixedly mounted on both side surfaces of the receiving plate, one end of the extension plate is fixedly connected to a windshield, and the windshield is an arc-shaped plate structure.

[0015] Preferably, a suspension rod is fixedly mounted on the lower surface of the movable drum, and a counterweight is fixedly mounted on one end of the suspension rod away from the movable drum.

[0016] Preferably, the anti-shake assembly includes a column fixedly mounted on the upper surface of the movable rotating drum and a first buffer rail plate fixedly mounted on the upper surface of the column, a first buffer groove is provided on the upper surface of the first buffer rail plate, a first buffer slider is slidably connected inside the first buffer groove, first buffer springs are fixedly connected on both side surfaces inside the first buffer groove, and one end of two first buffer springs are respectively connected to the two side surfaces of the first buffer slider.

[0017] Preferably, a second buffer rail plate is fixedly mounted on the upper surface of the first buffer sliding block, a second buffer slide groove is provided on the upper surface of the second buffer rail plate, a top plate is slidably connected in the second buffer slide groove, second buffer springs are connected to both side surfaces inside the second buffer slide groove, two second buffer springs are respectively connected to both side surfaces of the top plate, and the storage box is fixedly mounted on the upper surface of the top plate.

[0018] Preferably, threaded positioning cylinders are fixedly installed on both sides of the storage box, and a locking screw is connected to the inner thread of the threaded positioning cylinder, and one end of the locking screw is squeezed and matched with the acre meter.

[0019] Preferably, the interior of the sampling rod includes a containing chamber and a storage chamber, the humidity sensor is arranged in the containing chamber, a partition is arranged between the storage chamber and the containing chamber, a grid plate is arranged on the partition, the humidity sensor includes a wireless signal transmission module and a detection probe, and one end of the detection probe is in contact with the grid plate.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) The present invention arranges a mounting frame with a longitudinal buffer component on the trolley, and can utilize the damping between the longitudinal slider and the longitudinal sliding groove and the effect of the longitudinal buffer spring to reduce the shaking amplitude of the entire measuring mechanism during movement. The acre meter is arranged on the storage box. The acre meter integrates a high-precision GPS positioning system, an accurate area calculation method and an intelligent handheld computer system, and can realize real-time testing of irregular areas, dynamic graphic display and data intelligent processing and storage. At the same time, the acre meter is also integrated with a high-precision GPS module, which can provide accurate positioning services, calculate the area of ​​irregularly shaped land, and provide data such as circumference, distance, slope, etc. The measured area graphics and all measurement data can be stored and called at any time, which is convenient for file preservation. In addition to area measurement, it also has functions such as price calculation and record preservation, which can enable the contractor to have a specific understanding of various parameters of the land. The anti-shake component and the wind shield are used to provide all-round protection measures for the acre meter, and reduce the impact of the shaking of the trolley when moving on the measurement accuracy.

[0022] (2) The present invention provides a first buffer rail plate and a second buffer rail plate with a first buffer slider and a top plate, and the first buffer rail plate and the second buffer rail plate are distributed in a cross shape. The damping between the first buffer slider and the top plate and the first buffer rail plate and the second buffer rail plate, together with the built-in first buffer spring and second buffer spring, can provide an all-round anti-shake measure for the top storage box, thereby preventing the shaking of the vehicle when moving from affecting the measurement result of the acre meter. The acre meter can be squeezed and fixed by providing a threaded positioning cylinder with a locking screw. At the same time, a partition is installed in the sampling rod, and the partition can sample and block the soil sample obtained by inserting into the land. A small amount of soil penetrates through the grid plate and contacts the detection probe. At this time, the humidity sensor can measure the humidity of the soil in real time, and as the vehicle moves, the humidity of each position of the contracted land can be measured, and the measured data can be transmitted to the mobile device of the staff.

[0023] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front perspective structural schematic diagram of the present invention;

[0025] Figure 2 It is a top view of the three-dimensional structure of the present invention;

[0026] Figure 3 A bottom view of the present invention;

[0027] Figure 4 It is a schematic diagram of the internal structure of the sampling rod of the present invention;

[0028] Figure 5 It is a schematic diagram of the specific structure of the mounting frame of the present invention;

[0029] Figure 6 It is a schematic diagram of the enlarged local structure of location A of the present invention.

[0030] In the figure: 1, mounting frame; 2, side plate; 3, support frame; 4, connecting rod; 5, grip; 6, moving wheel; 7, cross bar; 8, rotating wheel; 9, ring plate; 10, sampling rod; 11, containing chamber; 12, storage chamber; 13, partition; 14, grid plate; 15, humidity sensor; 16, detection probe; 17, wireless signal transmission module; 18, longitudinal sliding groove; 19, longitudinal buffer spring; 20, longitudinal slider; 21, receiving plate; 22, extension plate; 23. Wind baffle; 24. Positioning shaft; 25. Movable rotating drum; 26. Hanging rod; 27. Counterweight; 28. Column; 29. ​​First buffer rail; 30. First buffer slide; 31. First buffer spring; 32. First buffer slider; 33. Second buffer rail; 34. Second buffer slide; 35. Second buffer spring; 36. Top plate; 37. Storage box; 38. Storage slot; 39. Mu meter; 40. Threaded positioning cylinder; 41. Locking screw. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1:

[0033] See also Figure 1-Figure 6 As shown, an intelligent land contract precision measuring instrument comprises:

[0034] The mobile mechanism includes a mounting frame 1, the number of the mounting frames 1 is two, the two sides of the two mounting frames 1 are fixedly mounted with side plates 2, the side plates 2 are fixedly mounted with support frames 3, the number of the support frames 3 is two, one end of the support frame 3 is movably mounted with a moving wheel 6, wherein a cross bar 7 is connected between the two support frames 3 on the same side, one side of the two mounting frames 1 is provided with a longitudinal buffer assembly, a positioning shaft 24 is provided between the two longitudinal buffer assemblies, a connecting rod 4 is fixedly mounted on the support frame 3, and a handle 5 is connected to the connecting rod 4;

[0035] The measuring mechanism includes a rotating wheel 8 movably connected to the side of the cross bar 7, a ring plate 9 is connected to the side of the rotating wheel 8, a plurality of sampling rods 10 are fixedly connected to the side of the ring plate 9, a humidity sensor 15 is arranged in the sampling rod 10, a movable rotating drum 25 is sleeved on the side of the positioning shaft 24, an anti-shake component is arranged on the movable rotating drum 25, a storage box 37 is installed on the anti-shake component, a storage groove 38 is opened on the upper surface of the storage box 37, and an acre meter 39 is placed in the storage groove 38.

[0036] As can be seen from the above, by arranging a mounting frame 1 with a longitudinal buffer component on the trolley, the device can utilize the damping between the longitudinal slider 20 and the longitudinal sliding groove 18 and the effect of the longitudinal buffer spring 19 to reduce the shaking amplitude of the entire measuring mechanism during movement. The acre meter 39 is arranged on the storage box 37. The acre meter 39 integrates a high-precision GPS positioning system, an accurate area calculation method and an instrument of an intelligent handheld computer system, which can realize real-time testing of irregular areas, dynamic graphic display and intelligent data processing and storage. At the same time, the acre meter 39 is also integrated with a high-precision GPS module, which can provide accurate positioning services, calculate the area of ​​irregularly shaped land, and provide data such as circumference, distance, slope, etc. The measured area graphics and all measurement data can be stored and called at any time for easy archive preservation. In addition to area measurement, it also has functions such as price calculation and record preservation, which can allow the contractor to have a specific understanding of various parameters of the land. The anti-shake component and the wind baffle 23 are used to provide all-round protection measures for the acre meter 39 to reduce the impact of the shaking of the trolley when moving on the measurement accuracy.

[0037] Embodiment 2:

[0038] See also Figure 1-Figure 6 As shown, the longitudinal buffer assembly includes a longitudinal sliding groove 18 opened on the mounting frame 1, a longitudinal slider 20 is arranged inside the longitudinal sliding groove 18, the longitudinal slider 20 is slidably matched with the longitudinal sliding groove 18, and longitudinal buffer springs 19 are fixedly connected at both ends of the longitudinal slider 20, and one end of the longitudinal buffer spring 19 is connected to the longitudinal sliding groove 18.

[0039] Specifically, one end of the longitudinal slider 20 is fixedly connected to a receiving plate 21 , the number of the longitudinal slider 20 and the receiving plate 21 are both two, and the positioning shaft 24 is fixedly connected between the two receiving plates 21 .

[0040] Specifically, the two side surfaces of the receiving plate 21 are fixedly mounted with extension plates 22 , one end of the extension plate 22 is fixedly connected with a wind shield 23 , and the wind shield 23 is an arc-shaped plate structure.

[0041] Specifically, a suspension rod 26 is fixedly installed on the lower surface of the movable rotating cylinder 25, and a counterweight block 27 is fixedly installed on one end of the suspension rod 26 away from the movable rotating cylinder 25. The setting of the counterweight block 27 can allow the suspension rod 26 to always remain in a vertical upward state, so that the acre meter 39 can be horizontally upward, so that it can best receive the GPS signal, thereby improving the accuracy of the detection.

[0042] Specifically, the anti-shake assembly includes a column 28 fixedly mounted on the upper surface of the movable rotating drum 25 and a first buffer rail plate 29 fixedly mounted on the upper surface of the column 28. A first buffer groove 30 is provided on the upper surface of the first buffer rail plate 29. A first buffer slider 32 is slidably connected inside the first buffer groove 30. First buffer springs 31 are fixedly connected to both side surfaces inside the first buffer groove 30. One end of the two first buffer springs 31 is respectively connected to the two side surfaces of the first buffer slider 32.

[0043] Specifically, a second buffer rail plate 33 is fixedly installed on the upper surface of the first buffer slider 32, a second buffer groove 34 is opened on the upper surface of the second buffer rail plate 33, a top plate 36 is slidably connected in the second buffer groove 34, and second buffer springs 35 are connected to the two side surfaces inside the second buffer groove 34. The two second buffer springs 35 are respectively connected to the two side surfaces of the top plate 36, and a storage box 37 is fixedly installed on the upper surface of the top plate 36.

[0044] As can be seen from the above, the device is provided with a first buffer rail plate 29 and a second buffer rail plate 33 with a first buffer slider 32 and a top plate 36, and the first buffer rail plate 29 and the second buffer rail plate 33 are distributed in a cross shape. The damping between the first buffer slider 32 and the top plate 36 and the first buffer rail plate 29 and the second buffer rail plate 33, combined with the built-in first buffer spring 31 and the second buffer spring 35, can provide a full range of anti-shake measures for the top storage box 37, thereby preventing the shaking of the vehicle during movement from affecting the measurement results of the acre meter 39.

[0045] Embodiment three:

[0046] See also Figure 1-Figure 6 As shown, threaded positioning tubes 40 are fixedly installed on both sides of the storage box 37, and the threaded positioning tubes 40 are internally threadedly connected with locking screws 41, and one end of the locking screws 41 is squeezed and matched with the acre meter 39.

[0047] Specifically, the sampling rod 10 includes a containing chamber 11 and a storage chamber 12, a humidity sensor 15 is arranged in the containing chamber 11, a partition 13 is arranged between the storage chamber 12 and the containing chamber 11, a grid plate 14 is arranged on the partition 13, and the humidity sensor 15 includes a wireless signal transmission module 17 and a detection probe 16, and one end of the detection probe 16 is in contact with the grid plate 14.

[0048] As can be seen from the above, the device can squeeze and fix the acre meter 39 by setting a threaded positioning cylinder 40 with a locking screw 41. At the same time, a partition 13 is installed in the sampling rod 10. The partition 13 can sample and block the soil sample obtained by inserting into the land. A small part of the soil penetrates through the grid plate 14 and contacts the detection probe 16. At this time, the humidity sensor 15 can measure the humidity of the soil in real time, and as the vehicle moves, the humidity of each position of the contracted land can be measured, and the measured data can be transmitted to the mobile device of the staff.

[0049] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0050] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0054] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent land contract precision measurement instrument, characterized in that: include: A mobile mechanism, the mobile mechanism comprising a mounting frame (1), the number of the mounting frames (1) being two, the two sides of the two mounting frames (1) being fixedly mounted with side panels (2), the side panels (2) being fixedly mounted with support frames (3), the number of the support frames (3) being two, one end of the support frame (3) being movably mounted with a moving wheel (6), wherein a cross bar (7) is connected between the two support frames (3) on the same side, one side of the two mounting frames (1) being provided with a longitudinal buffer assembly, a positioning shaft (24) being provided between the two longitudinal buffer assemblies, a connecting rod (4) being fixedly mounted on the support frame (3), and a handle (5) being connected to the connecting rod (4); The measuring mechanism comprises a rotating wheel (8) movably connected to the peripheral side of a cross bar (7), the peripheral side of the rotating wheel (8) is connected to a ring plate (9), the peripheral side of the ring plate (9) is fixedly connected to a plurality of sampling rods (10), a humidity sensor (15) is arranged in the sampling rod (10), the peripheral side of the positioning shaft (24) is sleeved with a movable rotating drum (25), an anti-shake component is arranged on the movable rotating drum (25), a storage box (37) is installed on the anti-shake component, the upper surface of the storage box (37) is provided with a storage groove (38), and an acre meter (39) is placed in the storage groove (38).

2. According to claim 1, the intelligent land contracting precision measuring instrument is characterized by: The longitudinal buffer assembly comprises a longitudinal sliding groove (18) provided on the mounting frame (1), a longitudinal sliding block (20) being arranged inside the longitudinal sliding groove (18), the longitudinal sliding block (20) being slidably matched with the longitudinal sliding groove (18), both ends of the longitudinal sliding block (20) being fixedly connected with a longitudinal buffer spring (19), one end of the longitudinal buffer spring (19) being connected to the longitudinal sliding groove (18).

3. The intelligent land contracting precision measuring instrument according to claim 2 is characterized by: One end of the longitudinal slider (20) is fixedly connected to a receiving plate (21), the number of the longitudinal slider (20) and the receiving plate (21) are both two, and the positioning shaft (24) is fixedly connected between the two receiving plates (21).

4. The intelligent land contracting precision measuring instrument according to claim 3 is characterized by: Extension plates (22) are fixedly mounted on both side surfaces of the receiving plate (21), one end of the extension plate (22) is fixedly connected to a windshield baffle (23), and the windshield baffle (23) is an arc-shaped plate structure.

5. The intelligent land contracting precision measuring instrument according to claim 1 is characterized by: A suspension rod (26) is fixedly mounted on the lower surface of the movable rotating drum (25), and a counterweight block (27) is fixedly mounted on one end of the suspension rod (26) away from the movable rotating drum (25).

6. The intelligent land contracting precision measuring instrument according to claim 1 is characterized by: The anti-shake component includes a column (28) fixedly mounted on the upper surface of the movable rotating drum (25) and a first buffer rail plate (29) fixedly mounted on the upper surface of the column (28); a first buffer groove (30) is provided on the upper surface of the first buffer rail plate (29); a first buffer slider (32) is slidably connected inside the first buffer groove (30); first buffer springs (31) are fixedly connected to both side surfaces inside the first buffer groove (30); one end of the two first buffer springs (31) are respectively connected to the two side surfaces of the first buffer slider (32).

7. The intelligent land contracting precision measuring instrument according to claim 6 is characterized by: A second buffer rail plate (33) is fixedly mounted on the upper surface of the first buffer sliding block (32); a second buffer sliding groove (34) is provided on the upper surface of the second buffer rail plate (33); a top plate (36) is slidably connected in the second buffer sliding groove (34); second buffer springs (35) are connected to both side surfaces inside the second buffer sliding groove (34); two second buffer springs (35) are respectively connected to both side surfaces of the top plate (36); and the storage box (37) is fixedly mounted on the upper surface of the top plate (36).

8. The intelligent land contracting precision measuring instrument according to claim 1 is characterized by: The two sides of the storage box (37) are fixedly mounted with threaded positioning cylinders (40), the threaded positioning cylinders (40) are internally threadedly connected with locking screws (41), and one end of the locking screws (41) is pressed and matched with the acreage meter (39).

9. The intelligent land contracting precision measuring instrument according to claim 1 is characterized by: The sampling rod (10) comprises a containing chamber (11) and a storage chamber (12) inside, the humidity sensor (15) is arranged in the containing chamber (11), a partition (13) is arranged between the storage chamber (12) and the containing chamber (11), a grid plate (14) is arranged on the partition (13), the humidity sensor (15) comprises a wireless signal transmission module (17) and a detection probe (16), and one end of the detection probe (16) is in contact with the grid plate (14).

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