CN114994516B - Portable waterproof circuit pulse signal detection device - Google Patents
Portable waterproof circuit pulse signal detection device Download PDFInfo
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- CN114994516B CN114994516B CN202210929504.6A CN202210929504A CN114994516B CN 114994516 B CN114994516 B CN 114994516B CN 202210929504 A CN202210929504 A CN 202210929504A CN 114994516 B CN114994516 B CN 114994516B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses a portable waterproof circuit pulse signal detection device, which comprises a detection cylinder assembly, wherein a circuit probe assembly is arranged in the detection cylinder assembly, a pulse signal detection assembly and a sealing plugging assembly are respectively arranged on two sides of the detection cylinder assembly, the circuit probe assembly forms a probe extending and shrinking structure in the detection cylinder assembly, and the sealing plugging assembly forms a sealing structure for plugging the bottom end of the detection cylinder assembly at the bottom end of the detection cylinder assembly.
Description
Technical Field
The invention belongs to the technical field of signal detection, and particularly relates to a portable waterproof circuit pulse signal detection device.
Background
Compared with common analog signals (such as sine waves), the pulse signal is characterized in that the waveforms are discontinuous on the Y axis (obvious intervals exist between the waveforms) but have certain periodicity.
The prior art has the following problems: when pulse signals are detected on a modularized and fine and small circuit board, the existing circuit is modularized and centralized, and the size is more and more miniaturized, when the pulse signals of the existing modularized and small circuit board are detected, probes are thinner and thinner, and components with different heights can be arranged on the existing circuit, the existing probes are required to be thin and long, but when the probe is actually used, the probe is easy to bend and break, and rust of the probe can be caused if the probe is exposed in the air for a long time, so that subsequent detection is inaccurate.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a portable waterproof circuit pulse signal detection device which has the characteristic of convenience in use.
In order to achieve the purpose, the invention provides the following technical scheme: a portable waterproof circuit pulse signal detection device comprises a detection barrel assembly, wherein a circuit probe assembly is arranged in the detection barrel assembly, a pulse signal detection assembly and a sealing plugging assembly are respectively arranged on two sides of the detection barrel assembly, the circuit probe assembly forms a probe extending and contracting structure in the detection barrel assembly, and the sealing plugging assembly forms a sealing structure for plugging the bottom end of the detection barrel assembly at the bottom end of the detection barrel assembly;
the detection barrel assembly comprises a detection hand-holding barrel, a pressing slide bar is arranged at the top of the detection hand-holding barrel in a penetrating and sliding mode, penetrating side grooves are formed in two sides of the bottom of the detection hand-holding barrel, a positioning inner sleeve is fixedly arranged at the top end of the inside of the detection hand-holding barrel, a first gear and a second gear are rotatably arranged on the inner wall of the penetrating side groove on one side of the inside of the detection hand-holding barrel, a piston and an abutting bottom table are arranged on the pressing slide bar, a jacking spring is sleeved at the bottom of the pressing slide bar, two force application inclined plane grooves are formed in the lower end face of the abutting bottom table, two positioning length vertical grooves are symmetrically arranged on the positioning inner sleeve, two chute structures consisting of the positioning inclined plane grooves and an excessive inclined plane groove are arranged on the bottom face of the positioning inner sleeve, and a perforated limiting table is fixedly arranged in the detection hand-holding barrel;
pulse signal detection subassembly is including detecting the shell, be provided with red LED lamp, first resistance, green LED lamp, second resistance and blue LED lamp on detecting the shell, and detect the shell both sides and be provided with first alligator clip and second alligator clip respectively.
Preferably, the circuit probe assembly comprises a probe ejector rod, a circuit contact probe is arranged at the bottom of the probe ejector rod, an ejector rod fixing table is fixedly arranged at the top of the probe ejector rod, two inclined positioning convex blocks with inclined upper end surfaces are arranged on the ejector rod fixing table, an ejector rod side groove is formed in the probe ejector rod, an ejector rod positioning rack is arranged in the ejector rod side groove, an ejector rod pushing spring is sleeved at the top of the probe ejector rod, and the top of the probe ejector rod is rotatably connected with the ejector rod fixing table through a bearing seat;
sealed shutoff subassembly includes the shutoff outer tube, the inside slip of shutoff outer tube is provided with pole in the shutoff, and shutoff outer tube one side is provided with the outer tube side groove, the inside top of pole top and shutoff outer tube is provided with taut stretch cord in the shutoff, spiral spout, bottom spout and top spout have been seted up at pole top in the shutoff, and the pole lower extreme is provided with pole annular and shutoff chassis in the shutoff, shutoff chassis top is provided with the shutoff stopper, the inside loop type ring gear that is provided with of pole annular in the shutoff, shutoff outer tube top inner wall is provided with spacing projection.
Preferably, the red LED lamp, the first resistor, the green LED lamp, the second resistor, the blue LED lamp, the first crocodile clip and the second crocodile clip form a set of complete pulse signal detection module, and the first crocodile clip and the second crocodile clip are respectively clipped on the positive pole and the ground of the circuit.
Preferably, the probe ejector rod slides up and down on the limiting table with the hole, the ejector rod fixing table slides up and down in the positioning inner sleeve, two ends of the ejector rod pushing spring respectively abut against the limiting table with the hole and the ejector rod fixing table, and the top end face of the upper end face inclined positioning lug abuts against the bottom end face of the positioning inner sleeve through pushing of the ejector rod pushing spring.
Preferably, the pressing slide bar slides up and down on the top of the detection hand-holding cylinder, the piston moves up and down in the detection hand-holding cylinder, the abutting bottom table slides up and down in the positioning inner sleeve, two ends of the jacking spring respectively abut against the abutting bottom table and the top end face of the positioning inner sleeve, and the bottom end face of the abutting bottom table abuts against the top end face of the inclined positioning lug on the upper end face through jacking of the jacking spring.
Preferably, the plugging outer tube is fixed at a penetrating side groove at one side of the detection hand holding cylinder, and the detection shell is fixed at a penetrating side groove at the other side of the detection hand holding cylinder.
Preferably, the inner plugging rod slides up and down in the outer plugging tube, and naturally moves up in the outer plugging tube through the tensioning of the tensioning elastic rope.
Preferably, a coherent sliding groove structure is formed among the spiral sliding groove, the bottom sliding groove and the top sliding groove are located on the opposite surfaces of two sides of the rod body in the blocking inner rod, and the limiting convex column is inserted into the sliding groove structure.
Preferably, the first gear is meshed with the second gear, the first gear is meshed with an annular gear ring inside the plugging inner rod, and the second gear is meshed with an ejector rod positioning rack on the probe ejector rod.
Preferably, the sealing plug at the bottom of the sealing and sealing assembly seals a lower port of the detection hand-holding cylinder, and the sealing plug performs vertical motion and one-hundred-eighty degree transposition motion relative to the lower port of the detection hand-holding cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. when the tester is used, the pulse signal detection assembly is fixed at the through side groove on the other side of the detection hand holding cylinder, the red LED lamp, the first resistor, the green LED lamp, the second resistor, the blue LED lamp, the first crocodile clip and the second crocodile clip form a set of complete pulse signal detection module, the first crocodile clip and the second crocodile clip are respectively clipped on the positive pole and the ground of a circuit, the simple pulse signal detection module is formed by the structure, when no oscilloscope exists or the oscilloscope is inconvenient to carry when people go out, the resistor is used for testing pulse signals in the circuit, the current of the resistor is limited for a diode, when the pulse signals in the circuit are detected, the blue lamp can be normally lightened after being electrified, when the pulse signal end on the circuit is tested, the green lamp is lightened if the pulse signal is negative-polarity pulse signal, the red lamp is lightened if the pulse signal is positive-polarity pulse signal, and the red indicator lamp and the green indicator lamp are not lightened if the pulse signal is lacked.
2. When the circuit contact probe is used, the probe ejector rod slides up and down on the limiting table with the hole, the ejector rod fixing table slides up and down in the positioning inner sleeve, two ends of the ejector rod ejection spring respectively abut against the limiting table with the hole and the ejector rod fixing table, the top end surface of the inclined positioning lug on the upper end surface abuts against the bottom end surface of the positioning inner sleeve through the ejection of the ejector rod ejection spring, the sliding rod is pressed to slide up and down on the top of the detection hand-held cylinder, the piston moves up and down in the detection hand-held cylinder, the abutting bottom table slides up and down in the positioning inner sleeve, two ends of the abutting spring respectively abut against the abutting bottom table and the top end surface of the positioning inner sleeve, the bottom end surface of the abutting bottom table abuts against the top end surface of the inclined positioning lug on the upper end surface through the abutting of the abutting spring, when the circuit contact probe is actually used, through the matching of the structure, the top of the sliding rod is pressed through pressing, the circuit contact probe is completely extended and retracted from the port at the bottom of the detection cylinder, when the circuit contact probe is extended, the circuit contact probe is conveniently contacted with a circuit to be detected, and the circuit contact probe is prevented from being bent, and damaged or stored or is actually used.
3. The invention is characterized in that a sealing and plugging component is arranged on one side of the bottom of the detection cylinder component, the sealing and plugging component can plug the lower port of the detection hand-held cylinder, when plugging, the invention can be in a relative sealing structure to realize certain waterproof, circuit contact probe and protection effect on an internal circuit, the sealing and plugging component, a pressing slide bar and a probe ejector rod are in a linkage structural state, when in actual use, a plugging inner rod slides up and down in a plugging outer tube, the plugging inner rod naturally moves up in the plugging outer tube through the tensioning of a tensioning elastic rope, a first gear is meshed with a ring-shaped gear ring in the plugging inner rod, a second gear is meshed with an ejector rod positioning rack on the probe ejector rod, the first gear is always in an elastic meshing state with the ring-shaped gear ring through the tensioning of the tensioning elastic rope, and simultaneously a continuous chute structure is formed among a spiral chute, a bottom chute and a top chute, the bottom sliding groove and the top sliding groove are positioned on the opposite sides of the rod body of the plugging inner rod, the limiting convex column is inserted into the sliding groove structure, through the matching of the structure, when the probe ejector rod moves downwards, the plugging inner rod synchronously moves downwards in the plugging outer tube under the action of the first gear and the second gear, at the moment, the plugging plug relieves the plugging of the lower port of the detection hand-holding tube, then through the matching of the spiral sliding groove, the bottom sliding groove and the top sliding groove and the limiting convex column, the plugging inner rod rotates one hundred eighty degrees in the plugging outer tube, at the moment, the plugging plug is transferred to one side of the lower port of the detection hand-holding tube, the structure can not interfere the continuous probing of the circuit contact probe, meanwhile, through the tensioning of the tensioning elastic rope, the first gear is always in an elastic meshing state with the annular gear ring, the length of the annular gear ring is certain, when the first gear is meshed to the top of the annular gear ring, the top of the annular gear ring is always kept in tight meshing with the first gear, teeth are not arranged at the top of the annular gear ring at the moment, the inner blocking rod cannot move downwards in the outer blocking pipe all the time, through the mode, the lower port of the hand-holding cylinder is detected relatively by the blocking plug to move up and down and perform one-hundred-eighty degree transposition action, the blocking plug is guaranteed to move downwards by a certain distance only, the blocking plug cannot move downwards synchronously with the circuit contact probe, the space of the circuit contact probe is avoided being occupied, the contact between the circuit contact probe and a circuit is influenced, and therefore the pulse signal detection of a modularized and fine and small circuit board is met.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a cross-sectional view of a detection cartridge assembly and circuit probe assembly of the present invention;
FIG. 5 is a perspective view of a detection cartridge assembly of the present disclosure;
FIG. 6 is an exploded view of a detector cartridge assembly of the present invention;
FIG. 7 is a cross-sectional view of a detection cartridge assembly of the present disclosure;
FIG. 8 is a perspective view of a pulse signal detection assembly according to the present invention;
FIG. 9 is a perspective view of the circuit probe assembly of the present invention;
figure 10 is an exploded view of the seal plugging assembly of the present invention;
FIG. 11 is a cross-sectional view of the sealing and plugging assembly of the present invention;
FIG. 12 is a perspective view of the invention showing the top of an inner stem being sealed;
FIG. 13 is a circuit diagram of the pulse signal detecting device according to the present invention;
in the figure: 100. a detection cartridge assembly; 101. detecting a hand-held cartridge; 102. penetrating through the side groove; 103. pressing the slide bar; 104. a piston; 105. the spring is tightly propped; 106. against the bottom table; 107. a force application inclined plane groove; 108. positioning the inner sleeve; 109. positioning the long vertical groove; 110. positioning the inclined plane groove; 111. an excessive slope groove; 112. a first gear; 113. a second gear; 114. a limiting table with holes; 200. a pulse signal detection component; 201. detecting the shell; 202. a red LED lamp; 203. a first resistor; 204. a green LED lamp; 205. a second resistor; 206. a blue LED lamp; 207. a first alligator clip; 208. a second alligator clip; 300. a circuit probe assembly; 301. a probe ejector rod; 302. a circuit contact probe; 303. a side groove of the mandril; 304. a mandril positioning rack; 305. the ejector rod pushes the spring; 306. a mandril fixing table; 307. the upper end surface is inclined to position the convex block; 400. sealing the plugging assembly; 401. plugging the outer tube; 402. an outer tube side groove; 403. blocking the inner rod; 404. tensioning the elastic rope; 405. a spiral chute; 406. a bottom chute; 407. an inner rod ring groove; 408. a ring-shaped gear ring; 409. plugging the chassis; 410. blocking; 411. a top chute; 412. a limiting convex column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-13, the present invention provides the following technical solutions: a portable waterproof circuit pulse signal detection device comprises a detection cylinder assembly 100, wherein a circuit probe assembly 300 is arranged in the detection cylinder assembly 100, a pulse signal detection assembly 200 and a sealing plugging assembly 400 are respectively arranged on two sides of the detection cylinder assembly 100, the circuit probe assembly 300 forms a probe extending and contracting structure in the detection cylinder assembly 100, and the sealing plugging assembly 400 forms a sealing structure for plugging the bottom end of the detection cylinder assembly 100 at the bottom end of the detection cylinder assembly 100;
the detection barrel assembly 100 comprises a detection hand-holding barrel 101, a pressing slide bar 103 is arranged on the top of the detection hand-holding barrel 101 in a penetrating and sliding mode, penetrating side grooves 102 are formed in two sides of the bottom of the detection hand-holding barrel 101, a positioning inner sleeve 108 is fixedly arranged at the top end inside the detection hand-holding barrel 101, a first gear 112 and a second gear 113 are rotatably arranged on the inner wall of the penetrating side groove 102 at one side, a piston 104 and an abutting bottom table 106 are arranged on the pressing slide bar 103, a top-holding spring 105 is sleeved at the bottom of the pressing slide bar 103, two force application inclined plane grooves 107 are formed in the lower end face of the abutting bottom table 106, two positioning long vertical grooves 109 are symmetrically arranged on the positioning inner sleeve 108, two inclined groove structures composed of a positioning inclined plane groove 110 and an excessive inclined plane groove 111 are arranged on the bottom face of the positioning inner sleeve 108, a perforated limiting table 114 is fixedly arranged inside the detection hand-holding barrel 101, the pressing slide bar 103 slides up and down on the top of the detection hand-holding barrel 101, the piston 104 moves up and down in the detection hand-holding barrel 101, the bottom table 106 slides up and down in the positioning inner sleeve 108, two ends of the abutting spring 105 respectively abut on the bottom table 106, and the top-holding barrel 106, and the inclined top end face of the top-holding spring 105;
the pulse signal detection assembly 200 comprises a detection shell 201, a red LED lamp 202, a first resistor 203, a green LED lamp 204, a second resistor 205 and a blue LED lamp 206 are arranged on the detection shell 201, a first crocodile clip 207 and a second crocodile clip 208 are respectively arranged on two sides of the detection shell 201, the red LED lamp 202, the first resistor 203, the green LED lamp 204, the second resistor 205, the blue LED lamp 206, the first crocodile clip 207 and the second crocodile clip 208 form a complete set of pulse signal detection module, and the first crocodile clip 207 and the second crocodile clip 208 are respectively clipped on the anode and the ground of a circuit;
the circuit probe assembly 300 comprises a probe mandril 301, a circuit contact probe 302 is arranged at the bottom of the probe mandril 301, a mandril fixing table 306 is fixedly arranged at the top of the probe mandril 301, two upper end surface inclined positioning convex blocks 307 are arranged on the mandril fixing table 306, a mandril side groove 303 is arranged on the probe mandril 301, a mandril positioning rack 304 is arranged in the mandril side groove 303, a mandril jacking spring 305 is sleeved at the top of the probe mandril 301, the probe mandril 301 slides up and down on the perforated limiting table 114, the mandril fixing table 306 slides up and down in the positioning inner sleeve 108, two ends of the mandril jacking spring 305 respectively butt against the perforated limiting table 114 and the mandril fixing table 306, through jacking of the mandril jacking spring 305, the top end surface inclined positioning convex block 307 of the upper end surface butts against the bottom end surface of the positioning inner sleeve 108, and the top of the probe mandril 301 is rotatably connected with the mandril fixing table 306 through a bearing seat;
the sealing and plugging assembly 400 comprises a plugging outer tube 401, a plugging inner rod 403 is arranged inside the plugging outer tube 401 in a sliding mode, an outer tube side groove 402 is formed in one side of the plugging outer tube 401, a tensioning elastic rope 404 is arranged on the top of the plugging inner rod 403 and the top end inside the plugging outer tube 401, a spiral chute 405, a bottom chute 406 and a top chute 411 are formed in the top of the plugging inner rod 403, an inner rod ring groove 407 and a plugging chassis 409 are arranged at the lower end of the plugging inner rod 403, a plugging plug 410 is arranged on the top of the plugging chassis 409, an annular gear ring 408 is arranged inside the inner rod ring groove 407, a limiting convex column 412 is arranged on the inner wall of the top of the plugging outer tube 401, the plugging outer tube 401 is fixed to a through side groove 102 on one side of a detection hand-holding cylinder 101, a detection shell 201 is fixed to the through side groove 102 on the other side of the detection hand-holding cylinder 101, the plugging inner rod 403 slides up and down in the plugging outer tube 401, the plugging inner rod 403 is tensioned by tensioning elastic rope 404, the tensioning elastic rope 412, the plugging inner rod 403 naturally moves up in the plugging outer tube 401, a spiral chute 405, a continuous chute structure is formed between the bottom chute 406 and the top chute 411, a first gear ring groove 113 and a lower end of a first detection push rod 113, and a first detection rack wheel 110 move relative to the detection rack 410, and a detection push rod 113.
In another embodiment of the invention, the first gear 112 and the second gear 113 are engaged, the first gear 112 is engaged with the annular gear ring 408 inside the plugging inner rod 403, the second gear 113 is engaged with the top rod positioning rack 304 on the probe top rod 301, the engaged teeth are of an inclined structure, and in order to ensure that the probe top rod 301 linearly moves up and down on the perforated limiting table 114, the probe top rod 301 and the perforated limiting table 114 are respectively provided with a vertical limiting groove and a convex limiting block.
According to the invention, a red LED lamp 202, a first resistor 203, a green LED lamp 204, a second resistor 205, a blue LED lamp 206, a first crocodile clip 207 and a second crocodile clip 208 form a set of complete pulse signal detection module, the first crocodile clip 207 and the second crocodile clip 208 are respectively clipped on the positive pole and the ground of a circuit, the pulse signal detection principle is a known technology which is widely applied and used in daily life, and the pulse signal detection is embodied by utilizing the structure and the detection principle.
The working principle and the using process of the invention are as follows: when the invention is used, the pulse signal detection assembly is fixed at the through side groove 102 at the other side of the detection hand-holding cylinder 101, at the moment, the red LED lamp 202, the first resistor 203, the green LED lamp 204, the second resistor 205, the blue LED lamp 206, the first crocodile clip 207 and the second crocodile clip 208 form a complete set of pulse signal detection module, the first crocodile clip 207 and the second crocodile clip 208 are respectively clipped on the anode and the ground of the circuit, the structure forms a simple pulse signal test module, when no oscilloscope or an oscilloscope is inconvenient to carry outside, the pulse signal in the circuit is tested by the pulse signal detection assembly, the resistor has the function of limiting the current for the diode, when the pulse signal in the circuit is detected, the blue lamp can be normally lightened after being electrified, when the pulse signal end on the circuit is tested, if the pulse signal with negative polarity is lightened, the green lamp is lightened, if the pulse signal is positive polarity, the red light is lighted, if the pulse signal is lacked, the red indicator light and the green indicator light are not lighted, the tester of the invention is very simple, the cost is low, the problem in circuit maintenance is solved, and the manufacturing cost and the use cost are greatly reduced, when the tester is used, the probe mandril 301 slides up and down on the perforated limit table 114, the mandril fixing table 306 slides up and down in the positioning inner sleeve 108, two ends of the mandril jacking spring 305 respectively butt against the perforated limit table 114 and the mandril fixing table 306, through the jacking of the mandril jacking spring 305, the top end surface of the upper end surface inclined positioning lug 307 butts against the bottom end surface of the positioning inner sleeve 108, meanwhile, the slide rod 103 slides up and down on the top of the detection hand-holding cylinder 101, the piston 104 moves up and down in the detection hand-holding cylinder 101, and the bottom table 106 slips up and down in the positioning inner sleeve 108, the two ends of the top-tightening spring 105 are respectively abutted against the top end surfaces of the abutting bottom table 106 and the positioning inner sleeve 108, the bottom end surface of the abutting bottom table 106 is abutted against the top end surface of the inclined positioning bump 307 on the upper end surface through the jacking of the jacking spring 105, when in actual use, the top of the sliding rod 103 is pressed and pressed through the matching of the structure, the circuit contact probe 302 is completely extended and contracted from the bottom port of the detection hand-held cylinder 101, when in extension, the circuit contact probe 302 can be conveniently contacted with a circuit to be detected, when in contraction, the circuit contact probe 302 is stored, the bending, damage or corrosion caused by external force when the slender circuit contact probe 302 is actually used are avoided, meanwhile, one side of the bottom of the detection cylinder assembly 100 is provided with the sealing and blocking assembly 400, and the blocking plug 410 can block the lower port of the detection hand-held cylinder 101, and when in blocking, the invention can be in a relative sealing structure, the sealing and blocking assembly 400, the pressing slide rod 103 and the probe ejector rod 301 are in a linkage structural state, when the sealing and blocking assembly is actually used, the blocking inner rod 403 slides up and down in the blocking outer tube 401, the blocking inner rod 403 naturally moves up in the blocking outer tube 401 through tensioning of the tensioning elastic rope 404, the first gear 112 is meshed with the second gear 113, the first gear 112 is meshed with the annular gear ring 408 in the blocking inner rod 403, the second gear 113 is meshed with the ejector rod positioning rack 304 on the probe ejector rod 301, the first gear 112 is always in an elastic meshing state with the annular gear ring 408 through tensioning of the tensioning elastic rope 404, meanwhile, a continuous chute structure is formed among the spiral chute 405, the bottom chute 406 and the top chute 411 are positioned on the opposite sides of the rod body of the blocking inner rod 403, the limit convex column 412 is inserted into the chute structure, through the matching of the above structures, when the probe mandril 301 moves downwards, the plugging inner rod 403 synchronously moves downwards in the plugging outer tube 401 through the action of the first gear 112 and the second gear 113, at the moment, the plugging plug 410 removes the plugging of the lower port of the detection hand-held cylinder 101, then through the matching of the spiral chute 405, the bottom chute 406 and the top chute 411 with the limit convex column 412, the plugging inner rod 403 rotates one hundred eighty degrees in the plugging outer tube 401, at the moment, the plugging plug 410 is transferred to one side of the lower port of the detection hand-held cylinder 101, the structure can not interfere the continuous extending of the circuit contact probe 302, at the same time, through the tensioning of the tensioning elastic rope 404, the first gear 112 and the annular gear ring 408 are always in an elastic meshing state, the length of the annular gear ring 408 is constant, when the first gear 112 is meshed to the top of the annular gear ring 408, the top of the annular gear ring 408 is always kept in the tensioning meshing engagement with the first gear 112, at the moment, the top of the annular gear ring 408 has no teeth, the plugging inner rod 403 can not move downwards in the plugging inner tube 401, the relative to realize that the plugging inner rod moves downwards and the circuit contact with the lower port of the detection hand-held cylinder 101 and the circuit detection probe pin can not occupy a little space, thereby, the synchronous movement, the circuit detection probe 410, the circuit plug can not affect the detection hand-held cylinder can not occupy a little contact movement, and the circuit detection probe 410, and can not cause the fine movement, and the fine movement can not be detected by a little contact movement, and the fine movement of the fine contact movement of the probe 302.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A portable waterproof circuit pulse signal detection device, includes a detection section of thick bamboo subassembly (100), its characterized in that: the detection cylinder assembly (100) is internally provided with a circuit probe assembly (300), two sides of the detection cylinder assembly (100) are respectively provided with a pulse signal detection assembly (200) and a sealing plugging assembly (400), the circuit probe assembly (300) forms a probe extending and contracting structure in the detection cylinder assembly (100), and the sealing plugging assembly (400) forms a sealing structure for plugging the bottom end of the detection cylinder assembly (100) at the bottom end of the detection cylinder assembly (100);
the detection barrel assembly (100) comprises a detection hand-holding barrel (101), a pressing slide bar (103) is arranged at the top of the detection hand-holding barrel (101) in a penetrating and sliding mode, penetrating side grooves (102) are formed in two sides of the bottom of the detection hand-holding barrel (101), a positioning inner sleeve (108) is fixedly arranged at the top end of the interior of the detection hand-holding barrel (101), a first gear (112) and a second gear (113) are arranged on the inner wall of the penetrating side groove (102) in a rotating mode, a piston (104) and a butting bottom table (106) are arranged on the pressing slide bar (103), a butting spring (105) is sleeved at the bottom of the pressing slide bar (103), two force application inclined plane grooves (107) are formed in the lower end face of the butting bottom table (106), two long positioning vertical grooves (109) are symmetrically arranged on the positioning inner sleeve (108), two inclined groove structures consisting of a positioning inclined plane groove (110) and a transition inclined groove (111) are arranged on the bottom end face of the positioning inner sleeve (108), and a perforated limiting table (114) is fixedly arranged in the detection hand-holding barrel (101);
the pulse signal detection assembly (200) comprises a detection shell (201), a red LED lamp (202), a first resistor (203), a green LED lamp (204), a second resistor (205) and a blue LED lamp (206) are arranged on the detection shell (201), a first alligator clip (207) and a second alligator clip (208) are respectively arranged on two sides of the detection shell (201), the red LED lamp (202), the first resistor (203), the green LED lamp (204), the second resistor (205), the blue LED lamp (206), the first alligator clip (207) and the second alligator clip (208) form a set of complete pulse signal detection module, one end of the first resistor (203) is connected with the first alligator clip (207), the other end of the first resistor (203) is connected with the anode of the red LED lamp (202), the cathode of the red LED lamp (202) is connected with a circuit contact probe (302), the circuit contact probe (302) is connected with the anode of the green LED lamp (204), the cathode of the green LED lamp (204) is connected with the cathode of the second LED lamp (204), the cathode of the second alligator clip (206) is connected with the second resistor (206), and the cathode of the second LED lamp (206), the second resistor (205) is connected between the first resistor (205), the first crocodile clip (207) and the second crocodile clip (208) are respectively clipped on the positive pole and the ground of the circuit to be measured;
the circuit probe assembly (300) comprises a probe ejector rod (301), a circuit contact probe (302) is arranged at the bottom of the probe ejector rod (301), an ejector rod fixing table (306) is fixedly arranged at the top of the probe ejector rod (301), two inclined positioning convex blocks (307) with upper end faces are arranged on the ejector rod fixing table (306), an ejector rod side groove (303) is formed in the probe ejector rod (301), an ejector rod positioning rack (304) is arranged inside the ejector rod side groove (303), an ejector rod jacking spring (305) is sleeved at the top of the probe ejector rod (301), and the top of the probe ejector rod (301) is rotatably connected with the ejector rod fixing table (306) through a bearing seat;
the sealing and plugging assembly (400) comprises a plugging outer tube (401), a plugging inner rod (403) is arranged inside the plugging outer tube (401) in a sliding mode, an outer tube side groove (402) is formed in one side of the plugging outer tube (401), a tensioning elastic rope (404) is arranged at the top of the plugging inner rod (403) and the top end of the inside of the plugging outer tube (401), a spiral sliding groove (405), a bottom sliding groove (406) and a top sliding groove (411) are formed in the top of the plugging inner rod (403), an inner rod annular groove (407) and a plugging chassis (409) are arranged at the lower end of the plugging inner rod (403), a plugging plug (410) is arranged at the top of the plugging chassis (409), an annular gear ring (408) is arranged inside the inner rod annular groove (407), and a limiting convex column (412) is arranged on the inner wall of the top of the plugging outer tube (401);
the first gear (112) is meshed with the second gear (113), the first gear (112) is meshed with an annular gear ring (408) inside the plugging inner rod (403), and the second gear (113) is meshed with a top rod positioning rack (304) on the probe top rod (301).
2. The portable waterproof circuit pulse signal detection device of claim 1, wherein: the probe ejector rod (301) slides up and down on the perforated limiting table (114), the ejector rod fixing table (306) slides up and down in the positioning inner sleeve (108), two ends of the ejector rod pushing spring (305) respectively abut against the perforated limiting table (114) and the ejector rod fixing table (306), and through pushing of the ejector rod pushing spring (305), the top end face of the upper end face inclined positioning lug block (307) abuts against the bottom end face of the positioning inner sleeve (108).
3. The portable waterproof circuit pulse signal detection device of claim 1, wherein: the pressing slide rod (103) slides up and down on the top of the detection hand-holding cylinder (101), the piston (104) moves up and down in the detection hand-holding cylinder (101), the abutting bottom table (106) slides up and down in the positioning inner sleeve (108), two ends of the abutting spring (105) respectively abut against the abutting bottom table (106) and the top end face of the positioning inner sleeve (108), and the bottom end face of the abutting bottom table (106) abuts against the top end face of the inclined positioning bump (307) on the upper end face through abutting of the abutting spring (105).
4. The portable waterproof circuit pulse signal detection device of claim 1, wherein: the plugging outer tube (401) is fixed at a penetrating side groove (102) on one side of the detection hand-holding cylinder (101), and the detection shell (201) is fixed at a penetrating side groove (102) on the other side of the detection hand-holding cylinder (101).
5. The portable waterproof circuit pulse signal detection device of claim 1, wherein: the plugging inner rod (403) slides up and down in the plugging outer tube (401), and the plugging inner rod (403) naturally moves up in the plugging outer tube (401) through the tensioning of the tensioning elastic rope (404).
6. The portable waterproof circuit pulse signal detection device of claim 1, wherein: a coherent sliding groove structure is formed among the spiral sliding groove (405), the bottom sliding groove (406) and the top sliding groove (411) are located on the opposite surfaces of the two sides of the rod body of the inner blocking rod (403), and the limiting convex column (412) is inserted into the sliding groove structure.
7. The portable waterproof circuit pulse signal detection device of claim 1, wherein: the sealing plug (410) at the bottom of the sealing and plugging assembly (400) plugs the lower port of the detection hand-held cylinder (101), and the sealing plug (410) performs vertical motion and one-hundred-eighty-degree transposition motion relative to the lower port of the detection hand-held cylinder (101).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210929504.6A CN114994516B (en) | 2022-08-03 | 2022-08-03 | Portable waterproof circuit pulse signal detection device |
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|---|---|---|---|
| CN202210929504.6A CN114994516B (en) | 2022-08-03 | 2022-08-03 | Portable waterproof circuit pulse signal detection device |
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| CN114994516B true CN114994516B (en) | 2022-10-11 |
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|---|---|
| CN114994516A (en) | 2022-09-02 |
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