CN107328976B - Intelligent multimeter for power equipment maintenance - Google Patents

Abstract

The invention relates to an intelligent multimeter for power equipment maintenance, which comprises a watchcase, wherein an alarm and a plurality of wiring units are arranged on the watchcase, each wiring unit comprises a wiring end, a meter pen, two fixing plates and two fixing units, each fixing unit comprises an opening, a fixing shaft, a clamping plate, a central plate, two lantern rings and two telescopic units, each alarm comprises a driving unit, a lamp panel and two knocking units, each driving unit comprises a driving motor, a driving wheel, a fixing block and a frame, the intelligent multimeter for power equipment maintenance is fixed by inserting an insertion rod into a fixing ring to realize the clamping plate fixation, the fixing clamping plates are utilized to achieve the purpose of fixing the fixing plates and the meter pens, the meter pens are prevented from falling off, the maintenance work is ensured to be carried out smoothly, in addition, the driving units drive the frames to move and enable the lamp panels to emit light, so that a user can clearly see an alarm signal that, the practicality of the instrument is improved.

Description

Intelligent multimeter for power equipment maintenance

Technical Field

The invention relates to the field of power equipment, in particular to an intelligent multimeter for overhauling power equipment.

Background

The universal meter is the most common digital instrument at present, and has the main characteristics of high accuracy, strong universal meter resolution, complete test function, high measurement speed, visual display, strong filtering function, power saving and portability. Since the 90 s, digital multimeters have gained rapid popularity and widespread use in our country, and have become essential tools for modern electronic measurement and power equipment maintenance.

The universal meter is in the use, need place the pen-shape metre on the binding post of watchcase, but after placeeing, owing to lack corresponding fixing device, lead to the pen-shape metre to drop from the watchcase easily, influence the use of instrument, and simultaneously, be equipped with bee calling organ on the instrument, be used for indicateing short circuit signal through sounding, but when in actual use, when the user tests at some noisy scene (such as power station, chemical plant), the sound that bee calling organ sent is easily covered by on-the-spot noisy sound, lead to the user to be difficult to receive alarm signal, thereby lead to current universal meter practicality to descend.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the intelligent multimeter for overhauling the power equipment is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent multimeter for power equipment maintenance comprises a meter shell, wherein a display, a power switch, a data holding switch, an alarm, a function knob and a plurality of wiring units are arranged on the meter shell;

the wiring unit comprises a wiring end, a meter pen, two fixing plates and two fixing units, the wiring end is arranged on the meter shell, the two fixing units are respectively arranged on two sides of the wiring end, one end of the meter pen is arranged on the wiring end, the two fixing plates are respectively arranged on two sides of the meter pen, and the meter pen corresponds to the fixing units one by one;

the fixed unit comprises an opening, a fixed shaft, a clamping plate, a central plate, two lantern rings and two telescopic units, wherein the opening is formed in the watch case, two ends of the fixed shaft are respectively fixed on the inner walls of two sides of the opening, the two lantern rings are respectively sleeved at two ends of the fixed shaft and fixedly connected with the clamping plate, the central plate is fixed on the clamping plate, and the two telescopic units are respectively arranged on two sides of the central plate;

the alarm comprises a notch and a transparent cover plate arranged above the notch, an alarm device is arranged in the notch, the alarm device comprises a driving unit, a lamp panel and two knocking units, the two knocking units are respectively arranged at two sides of the driving unit, the lamp panel is arranged above the driving unit, and the driving unit is in transmission connection with the knocking units;

drive unit includes driving motor, drive shaft, drive wheel, fixed block and frame, driving motor fixes bottom in the notch and is connected with the bottom transmission of drive shaft, the top at the drive shaft is fixed to the drive wheel, the fixed block is fixed in the top of drive wheel and is located the frame, the below at the lamp plate is fixed to the frame.

Preferably, in order to further enhance the alarming capability of the alarm by making a sound through knocking, the knocking unit comprises a sliding rod, an iron block and a knocking block, the knocking block is fixedly connected with the frame through the sliding rod, the iron block is fixed on the inner wall of the notch, and a straight line formed by connecting the iron block and the knocking block coincides with the central axis of the sliding rod.

Preferably, in order to support the movement of the sliding rod and limit the movement direction of the sliding rod, the knocking unit further comprises a supporting rod and a positioning ring, the bottom end of the supporting rod is fixed at the bottom of the notch, and the positioning ring is fixed at the top end of the supporting rod and sleeved on the sliding rod.

Preferably, in order to assist in supporting the driving wheel to rotate, a side plate is arranged on one side of the supporting rod close to the driving shaft, and the side plate is located below the driving wheel and fixed on the supporting rod.

Preferably, in order to fix the fixing plate on the stylus through the fixing clamp plate, the telescopic unit comprises a sleeve, an insertion rod and a fixing ring, the fixing ring is fixed on the watch case and sleeved on the insertion rod, the sleeve is fixed on the central plate, one end of the insertion rod is arranged in the sleeve, a spring and a contact plate are arranged in the sleeve, the contact plate is fixedly connected with the insertion rod and connected with the bottom of the sleeve through the spring, and the spring is in a compressed state.

Preferably, in order to fix the moving direction of the inserted rod, a limiting ring is arranged in the sleeve, and the limiting ring is fixed on the inner wall of the sleeve and sleeved on the inserted rod.

Preferably, to facilitate insertion of the insert rod into the stationary ring, an end of the insert rod remote from the central plate is shaped as a hemisphere.

Preferably, in order to facilitate the movement of the pull rod, the telescopic unit further comprises a pull plate which is arranged between the fixing ring and the sleeve and fixed on the rod.

Preferably, the outer periphery of the watch case is provided with a protective sheath for protecting the watch case.

Preferably, the power switch and the data holding switch are both touch keys for easy operation.

When using this universal meter, for the convenience of fixed pen-shape metre in order to measure, when inserting the pen-shape metre wiring end, aim at inside the opening of the fixed unit of wiring end both sides with pen-shape metre both sides fixed plate, then insert the pen-shape metre, make the fixed plate be located the opening, then in fixed unit, the arm-tie in two telescoping units is close to each other, and rotate splint, make splint clip the fixed plate in order to fix the pen-shape metre, the fixed ring on the watchcase is aimed at to the inserted bar of arm-tie pulling this moment, the fixed plate has also been carried simultaneously to splint, then loosen the arm-tie, the spring that receives the compression in the telescoping unit makes the inserted bar remove and pass solid fixed ring to keeping away from well core plate direction for recovering deformation, the position of splint has just so been fixed, realize fixed plate and pen-shape metre through fixed splint, prevent that. This an intelligent universal meter for power equipment overhauls inserts solid fixed ring through the inserted bar in fixed unit and realizes that splint are fixed, utilizes fixed splint to reach the purpose of fixed plate and pen-shape metre, prevents that the pen-shape metre from droing in the instrument use, guarantees that maintenance work goes on smoothly.

In order to ensure that the sent alarm signal can be received by a user at a noisy working site, the multimeter sends the alarm signal through an alarm, in the notch of the alarm, a driving motor in a driving unit drives a driving wheel to rotate through a driving shaft, so that a fixed block fixed on the driving wheel is displaced and moves in the frame, the frame is driven to move left and right, a lamp panel on the frame moves under the action of the lamp panel, meanwhile, the lamp panel is lightened, so that a user can clearly see the alarm signal that the luminous lamp panel moves left and right in a noisy field, the user can smoothly receive the alarm signal, in order to strengthen the alarm function, when the frame moves left and right, the sliding rods on the two sides of the frame are driven to move, so that the knocking blocks at the ends, far away from the frame, of the sliding rods knock the iron blocks to make sounds, and a user can acquire an alarm signal by recognizing the sounds on a site with less noise. This an intelligent universal meter for power equipment overhauls drives the frame through drive unit and removes to make the lamp plate luminous, thereby make the user can see luminous lamp plate and remove this alarm signal about removing at noisy scene, improved the practicality of instrument.

The intelligent multimeter for power equipment maintenance has the advantages that the fixing of the clamping plate is realized by inserting the insertion rod into the fixing ring in the fixing unit, the purpose of fixing the fixing plate and the meter pen is achieved by utilizing the fixing clamping plate, the meter pen is prevented from falling off in the using process of the instrument, the maintenance work is ensured to be smoothly carried out, in addition, the frame is driven to move by the driving unit, and the lamp panel is made to emit light, so that a user can clearly see the alarm signal that the light-emitting lamp panel moves left and right on a noisy site, and the practicability of the instrument is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of an intelligent multimeter of the present invention for servicing electrical equipment;

FIG. 2 is a schematic diagram of the configuration of a wiring unit of the intelligent multimeter of the present invention for servicing electrical equipment;

FIG. 3 is a schematic diagram of the structure of the fixed unit of the intelligent multimeter of the present invention for servicing electrical equipment;

FIG. 4 is a schematic diagram of the configuration of the telescoping unit of the intelligent multimeter used for power equipment servicing of the present invention;

FIG. 5 is a schematic diagram of the alarm of the intelligent multimeter of the present invention for servicing electrical equipment;

FIG. 6 is a schematic diagram of the drive unit of the intelligent multimeter of the present invention for servicing electrical equipment;

in the figure: 1. the watch comprises a watch case, 2, a protective sheath, 3, a display, 4, a power switch, 5, a data retaining switch, 6, an alarm, 7, a function knob, 8, a wiring unit, 9, a terminal, 10, a pen, 11, a fixing plate, 12, a fixing unit, 13, a fixing shaft, 14, a collar, 15, a clamping plate, 16, a center plate, 17, a telescopic unit, 18, a sleeve, 19, an inserting rod, 20, a fixing ring, 21, a pulling plate, 22, a spring, 23, a limiting ring, 24, a contact plate, 25, a transparent cover plate, 26, a driving motor, 27, a driving shaft, 28, a driving wheel, 29, a fixing block, 30, a frame, 31, a lamp plate, 32, a sliding rod, 33, a knocking block, 34, an iron block, 35, a supporting rod, 36, a positioning ring, 37, a side plate, 38, a notch and an.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-6, an intelligent multimeter for power equipment maintenance comprises acase 1, wherein adisplay 3, apower switch 4, adata retention switch 5, analarm 6, afunction knob 7 and a plurality of wiring units 8 are arranged on thecase 1;

the wiring unit 8 comprises a wiring terminal 9, ameter pen 10, two fixing plates 11 and twofixing units 12, the wiring terminal 9 is arranged on thewatch case 1, the twofixing units 12 are respectively arranged on two sides of the wiring terminal 9, one end of themeter pen 10 is arranged on the wiring terminal 9, the two fixing plates 11 are respectively arranged on two sides of themeter pen 10, and themeter pen 10 corresponds to thefixing units 12 one by one;

thefixed unit 12 comprises anopening 39, afixed shaft 13, aclamping plate 15, acentral plate 16, twocollars 14 and twotelescopic units 17, wherein theopening 39 is arranged on thewatch case 1, two ends of thefixed shaft 13 are respectively fixed on the inner walls of two sides of theopening 39, the twocollars 14 are respectively sleeved on two ends of thefixed shaft 13 and are fixedly connected with theclamping plate 15, thecentral plate 16 is fixed on theclamping plate 15, and the twotelescopic units 17 are respectively arranged on two sides of thecentral plate 16;

thealarm 6 comprises anotch 38 and atransparent cover plate 25 arranged above thenotch 38, an alarm device is arranged in thenotch 38, the alarm device comprises a driving unit, alamp panel 31 and two knocking units, the two knocking units are respectively arranged on two sides of the driving unit, thelamp panel 31 is arranged above the driving unit, and the driving unit is in transmission connection with the knocking units;

drive unit includesdriving motor 26,drive shaft 27,drive wheel 28,fixed block 29 andframe 30, drivingmotor 26 fixes the bottom innotch 38 and is connected with the bottom transmission ofdrive shaft 27,drive wheel 28 fixes the top atdrive shaft 27,fixed block 29 fixes the top atdrive wheel 28 and is locatedframe 30,frame 30 fixes the below atlamp plate 31.

Preferably, in order to further enhance the alarming capability of thealarm 6 by making a sound by knocking, the knocking unit includes aslide rod 32, aniron block 34 and aknocking block 33, theknocking block 33 is fixedly connected with theframe 30 through theslide rod 32, theiron block 34 is fixed on the inner wall of therecess 38, and a line connecting theiron block 34 and theknocking block 33 coincides with the central axis of theslide rod 32.

Preferably, in order to support the movement of thesliding rod 32 and limit the moving direction of thesliding rod 32, the knocking unit further comprises a supportingrod 35 and apositioning ring 36, wherein the bottom end of the supportingrod 35 is fixed at the bottom of thenotch 38, and thepositioning ring 36 is fixed at the top end of the supportingrod 35 and is sleeved on thesliding rod 32.

Preferably, in order to assist in supporting thedriving wheel 28 to rotate, aside plate 37 is disposed on one side of the supportingrod 35 close to thedriving shaft 27, and theside plate 37 is located below thedriving wheel 28 and fixed on the supportingrod 35.

Preferably, in order to fix the fixing plate 11 on thestylus 10 by thefixing clamp 15, thetelescopic unit 17 includes asleeve 18, aplunger 19 and afixing ring 20, thefixing ring 20 is fixed on thewatch case 1 and sleeved on theplunger 19, thesleeve 18 is fixed on thecentral plate 16, one end of theplunger 19 is arranged in thesleeve 18, aspring 22 and acontact plate 24 are arranged in thesleeve 18, thecontact plate 24 is fixedly connected with theplunger 19 and connected with the bottom of thesleeve 18 through thespring 22, and thespring 22 is in a compressed state.

Preferably, in order to fix the moving direction of theinserting rod 19, a limitingring 23 is arranged in thesleeve 18, and the limitingring 23 is fixed on the inner wall of thesleeve 18 and sleeved on theinserting rod 19.

Preferably, to facilitate insertion of theplunger 19 into the securingring 20, the end of theplunger 19 distal from thecentral plate 16 is hemispherical in shape.

Preferably, in order to facilitate the movement of thepulling rod 19, thetelescopic unit 17 further comprises apulling plate 21, and thepulling plate 21 is disposed between thefixing ring 20 and thesleeve 18 and fixed on therod 19.

Preferably, in order to protect thewatch case 1, the outer periphery of saidwatch case 1 is provided with aprotective sheath 2.

Preferably, thepower switch 4 and thedata hold switch 5 are both touch buttons for easy operation.

When using the multimeter, in order to fix thestylus 10 for measurement, when inserting thestylus 10 into the terminal 9, aligning the fixing plates 11 at both sides of thestylus 10 inside theopenings 39 of thefixing units 12 at both sides of theterminal 19, then inserting thestylus 10 so that the fixing plates 11 are positioned inside theopenings 39, then in thefixing units 12, approaching thepull plates 21 of the twotelescopic units 17 to each other, and rotating theclamp plates 15 so that theclamp plates 15 clamp the fixing plates 11 to fix thestylus 10, while theinserting rods 19 pulled by thepull plates 21 are aligned with the fixing rings 11 on thecase 1, while theclamp plates 15 also clamp the fixing plates 11, then releasing thepull plates 21, thecompressed springs 22 in thetelescopic units 17 move theinserting rods 19 away from thecentral plate 16 and pass through thefixing rings 20 to fix the positions of theclamp plates 15, fixing the fixing plates 11 and thestylus 10 by fixing theclamp plates 15, prevent that the universal meter from when overhauing power equipment that pen-shape metre 10 drops, the time maintenance work goes on smoothly. This an intelligent universal meter for power equipment overhauls inserts solid fixedring 20 through insertedbar 19 and realizes thatsplint 15 is fixed infixed unit 12, utilizes fixedsplint 15 to reach the purpose of fixed plate 11 and pen-shape metre 10, prevents that pen-shape metre 10 from droing in the instrument use, guarantees that maintenance work goes on smoothly.

In order to enable the emitted alarm signal to be received by the user also in noisy work sites, the multimeter emits an alarm signal via analarm 6, in thenotch 38 of thealarm 6, thedriving motor 26 in the driving unit drives thedriving wheel 28 to rotate through thedriving shaft 27, so that thefixed block 29 fixed on thedriving wheel 28 is displaced and moves in theframe 30, and simultaneously drives theframe 30 to move left and right, so that thelamp panel 31 on theframe 30 moves, meanwhile, thelamp panel 31 is luminous, so that a user can clearly see the alarm signal that theluminous lamp panel 31 moves left and right in a noisy field, the user can smoothly receive the alarm signal, and in order to strengthen the alarm function, when theframe 30 moves left and right, thesliding rods 32 on the two sides of theframe 30 are driven to move, theknocking block 33 at one end of thesliding rod 32 far away from theframe 30 knocks theiron block 34 to make a sound, and therefore a user can acquire an alarm signal by recognizing the sound in a scene with little noise. This an intelligent universal meter for power equipment overhauls drivesframe 30 through drive unit and removes to makelamp plate 31 luminous, thereby make the user can seeluminous lamp plate 31 and remove this alarm signal about removing at noisy scene, improved the practicality of instrument.

Compared with the prior art, this an intelligent universal meter for power equipment overhauls inserts solid fixedring 20 through insertedbar 19 in fixedunit 12 and realizes thatsplint 15 is fixed, utilizefixed splint 15 to reach the purpose of fixed plate 11 and pen-shape metre 10, prevent that pen-shape metre 10 from droing in the instrument use, guarantee to overhaul work and go on smoothly, moreover, driveframe 30 through drive unit and remove, and makelamp plate 31 luminous, thereby make the user can seeluminous lamp plate 31 and remove this alarm signal about removing at noisy scene, the practicality of instrument has been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. An intelligent multimeter for power equipment maintenance is characterized by comprising a meter shell (1), wherein a display (3), a power switch (4), a data retaining switch (5), an alarm (6), a function knob (7) and a plurality of wiring units (8) are arranged on the meter shell (1);

the wiring unit (8) comprises a wiring terminal (9), a meter pen (10), two fixing plates (11) and two fixing units (12), the wiring terminal (9) is arranged on the watch case (1), the two fixing units (12) are respectively arranged on two sides of the wiring terminal (9), one end of the meter pen (10) is arranged on the wiring terminal (9), the two fixing plates (11) are respectively arranged on two sides of the meter pen (10), and the meter pens (10) correspond to the fixing units (12) one to one;

the fixed unit (12) comprises an opening (39), a fixed shaft (13), a clamping plate (15), a central plate (16), two lantern rings (14) and two telescopic units (17), the opening (39) is arranged on the watch case (1), two ends of the fixed shaft (13) are respectively fixed on the inner walls of two sides of the opening (39), the two lantern rings (14) are respectively sleeved at two ends of the fixed shaft (13) and are fixedly connected with the clamping plate (15), the central plate (16) is fixed on the clamping plate (15), and the two telescopic units (17) are respectively arranged on two sides of the central plate (16);

the alarm (6) comprises a notch (38) and a transparent cover plate (25) arranged above the notch (38), an alarm device is arranged in the notch (38), the alarm device comprises a driving unit, a lamp panel (31) and two knocking units, the two knocking units are respectively arranged on two sides of the driving unit, the lamp panel (31) is arranged above the driving unit, and the driving unit is in transmission connection with the knocking units;

drive unit includes driving motor (26), drive shaft (27), drive wheel (28), fixed block (29) and frame (30), bottom in notch (38) and the bottom transmission with drive shaft (27) are fixed in driving motor (26), the top at drive shaft (27) is fixed in drive wheel (28), fixed block (29) are fixed in the top of drive wheel (28) and are located frame (30), the centre of a circle of drive wheel (28) is deviated in fixed block (29), the below at lamp plate (31) is fixed in frame (30).

2. The intelligent multimeter for power equipment overhaul according to claim 1, wherein the knocking unit comprises a slide rod (32), an iron block (34) and a knocking block (33), the knocking block (33) is fixedly connected with the frame (30) through the slide rod (32), the iron block (34) is fixed on the inner wall of the notch (38), and a straight line formed by connecting the iron block (34) and the knocking block (33) is coincident with a central axis of the slide rod (32).

3. The intelligent multimeter for power equipment maintenance according to claim 2, wherein the tapping unit further comprises a support bar (35) and a positioning ring (36), wherein the bottom end of the support bar (35) is fixed at the bottom of the notch (38), and the positioning ring (36) is fixed at the top end of the support bar (35) and sleeved on the slide bar (32).

4. The intelligent multimeter for servicing electrical equipment according to claim 3, wherein a side plate (37) is provided on a side of the strut (35) near the drive shaft (27), the side plate (37) being located below the drive wheel (28) and being fixed to the strut (35).

5. The intelligent multimeter for power equipment servicing according to claim 1, wherein the expansion unit (17) comprises a sleeve (18), a plunger (19) and a fixing ring (20), the fixing ring (20) is fixed on the case (1) and sleeved on the plunger (19), the sleeve (18) is fixed on the central plate (16), one end of the plunger (19) is arranged in the sleeve (18), a spring (22) and a contact plate (24) are arranged in the sleeve (18), the contact plate (24) is fixedly connected with the plunger (19) and connected with the bottom of the sleeve (18) through the spring (22), and the spring (22) is in a compressed state.

6. The intelligent multimeter for power equipment maintenance according to claim 5, wherein a limiting ring (23) is arranged in the sleeve (18), and the limiting ring (23) is fixed on the inner wall of the sleeve (18) and sleeved on the plug rod (19).

7. Intelligent multimeter for electrical equipment servicing according to claim 5, characterized in that the end of the plunger (19) remote from the central plate (16) is hemispherical in shape.

8. Intelligent multimeter for servicing electrical equipment according to claim 5, characterized in that the telescoping unit (17) further comprises a pull plate (21), the pull plate (21) being arranged between the fixing ring (20) and the sleeve (18) and being fixed on the plug-in rod (19).

9. Intelligent multimeter for servicing electrical equipment according to claim 1, characterized in that the outer circumference of the case (1) is provided with a protective sheath (2).

10. The intelligent multimeter for power equipment servicing of claim 1, wherein the power switch (4) and the data retention switch (5) are both touch buttons.

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