CN110618299A - Convenient voltage sensing device with strong anti-interference capability - Google Patents
Convenient voltage sensing device with strong anti-interference capability Download PDFInfo
- Publication number
- CN110618299A CN110618299A CN201910835498.6A CN201910835498A CN110618299A CN 110618299 A CN110618299 A CN 110618299A CN 201910835498 A CN201910835498 A CN 201910835498A CN 110618299 A CN110618299 A CN 110618299A
- Authority
- CN
- China
- Prior art keywords
- fixing
- fixed
- rod
- plate
- voltage sensing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- 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
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention relates to a portable voltage sensing device with strong anti-interference capability, which comprises a base and a main body, the main body is fixed above the base and also comprises a shielding mechanism and two mounting mechanisms, the shielding mechanism comprises a fixed block, a supporting rod, a fixed assembly and two shielding cases, the fixing component comprises a handle, a fixing plate, a fixing pipe, a supporting plate, two supporting plates and two fixing units, the mounting mechanism comprises a driving component and two clamping components, the clamping components comprise a screw rod, a first bearing, a connecting rod and a clamping plate, the portable voltage sensing device with strong anti-interference capability enables the shielding cover to shield the main body through the shielding mechanism, thereby avoiding the main body from being interfered by an external magnetic field to influence the detection precision, improving the anti-interference capability, through installation mechanism, can fix voltage sensing device on the cable, improve the convenience of installation.
Description
Technical Field
The invention relates to the field of sensors, in particular to a convenient voltage sensing device with strong anti-interference capability.
Background
A voltage sensor is a sensor that senses a measured voltage and converts the sensed voltage into a usable output signal. In various automatic detection and control systems, it is often necessary to track and collect high-speed alternating and direct voltage signals and perform spectrum analysis on relatively complex voltage waveforms.
The existing voltage sensing device is generally fixed by means of bolts, the installation process is complex, the installation convenience is reduced, and moreover, when the existing voltage sensing device is used for detection, the detection effect is easily influenced by the interference of an external magnetic field, and the detection precision of the voltage sensing device is greatly reduced.
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 portable voltage sensing device with strong anti-interference capability is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a convenient voltage sensing device with strong anti-interference capability comprises a base, a main body, a shielding mechanism and two mounting mechanisms, wherein the main body is fixed above the base, a through hole is formed in the main body, the shielding mechanism is arranged above the base, and the two mounting mechanisms are respectively arranged on two sides of the base;
the shielding mechanism comprises a fixed block, a supporting rod, a fixed assembly and two shielding cases, the two shielding cases are respectively hinged with two sides above the base, the two shielding cases are abutted against each other, one sides of the two shielding cases, which are close to each other, are provided with through holes, the through holes and the through holes are coaxially arranged, an opening is arranged below each shielding case, the main body is arranged inside the two shielding cases, the fixed assembly is arranged above one shielding case, the fixed block is fixed above the other shielding case through the supporting rod, one side of the fixed block, which is close to the fixed assembly, is provided with a notch, and the top and the bottom in the notch are provided with notches;
the fixing assembly comprises a handle, a fixing plate, a fixing pipe, a supporting plate, two supporting plates and two fixing units, the fixing plate is fixed above the shielding cover, one ends of the two supporting plates are fixedly connected with the upper part and the lower part of one side, close to the fixing block, of the fixing plate respectively, the other ends of the supporting plates are abutted to the fixing block, a round hole is formed in the fixing plate, the handle penetrates through the round hole to be fixedly connected with the fixing pipe, the fixing pipe is arranged inside the notch, the distance between the two supporting plate supports is equal to the length of the fixing pipe, the supporting plate is fixed inside the fixing pipe, the two fixing units are arranged above and below the supporting plate respectively, the fixing units correspond to the notch one to one, and the fixing pipe is matched with;
the mounting mechanism comprises a driving assembly and two clamping assemblies, two strip-shaped openings are formed above the base and correspond to the mounting mechanism one by one, the driving assembly is arranged between the two clamping assemblies, and the driving assembly is connected with the clamping assemblies;
the centre gripping subassembly includes lead screw, first bearing, connecting rod and grip block, the inner wall fixed connection of one side of first bearing and base, the one end of lead screw and the inner circle fixed connection of first bearing, the other end and the drive assembly of lead screw are connected, a pot head of connecting rod is established on the lead screw, the connecting rod with the junction of lead screw be equipped with the screw thread that matches with the lead screw, the other end of connecting rod passes bar mouth and grip block fixed connection, the shape of grip block is semicircle annular, the axis of grip block and the axis parallel arrangement of punching the hole.
Preferably, in order to realize the fixing function, the fixing unit includes a fixing rod, a moving plate and a first spring, one end of the fixing rod is fixedly connected to one side of the moving plate, the other end of the fixing rod is embedded into the recess, two ends of the first spring are respectively connected to the other side of the moving plate and the supporting plate, and the first spring is in a compressed state.
As preferred, for the moving direction of restriction dead lever, fixed unit still includes two spacing units, and two spacing units set up the both sides at the dead lever respectively, spacing unit includes gag lever post and limiting plate, the both ends of gag lever post respectively with limiting plate and backup pad fixed connection, the axis and the gag lever post parallel arrangement of fixed pipe, the both ends of movable plate all are equipped with the aperture, aperture and gag lever post one-to-one, the gag lever post passes the aperture, movable plate and gag lever post sliding connection.
Preferably, to facilitate insertion of the fixation rod into the interior of the recess, the end of the fixation rod adjacent the plate is hemispherical in shape.
As preferred, in order to promote the dead lever, be equipped with two removal subassemblies on the fixed block, removal subassembly and notch one-to-one, the top and the below of fixed block all are equipped with the through-hole, through-hole and notch one-to-one, through-hole and notch intercommunication, the removal subassembly includes clamp plate, depression bar, push pedal and second spring, the one end and the clamp plate fixed connection of depression bar, the other end of depression bar passes the through-hole and sets up the inside at the notch, the other end and the push pedal fixed connection of depression bar, the push pedal supports with the one end of keeping away from the bracing piece of dead lever and leans on, the both ends of second spring are connected with fixed block and clamp plate.
Preferably, for the moving direction of restriction handle, fixed subassembly still includes slide and guide block, guide block and handle fixed connection, the top at the shield cover is fixed to the slide, the top of slide is equipped with the spout, the guide block sets up the inside at the spout, the guide block matches with the spout, guide block and spout sliding connection.
Preferably, in order to avoid the guide block from being separated from the slide way, the slide way is a dovetail groove.
Preferably, in order to drive the clamping assembly to work, the driving assembly comprises a knob, a rotating shaft, a second bearing, a first bevel gear and two second bevel gears, the second bearing is fixed above the base, one end of the rotating shaft is fixedly connected with the knob, the other end of the rotating shaft penetrates through the strip-shaped opening to be fixedly connected with the first bevel gear, the second bevel gears correspond to the screw rods one to one, the second bevel gears are fixedly connected with one ends, far away from the second bearing, of the screw rods, and the first bevel gears are meshed with the second bevel gears.
Preferably, the first bevel gear is coated with a lubricating oil in order to make the second bevel gear smoothly rotate.
Preferably, in order to limit the moving direction of the connecting rod, the clamping assembly further comprises a guide rod, the guide rod is horizontally arranged inside the base, one end of the guide rod is fixedly connected with the inner wall, close to the first bearing, of the base, the connecting rod is sleeved on the guide rod, and the connecting rod is connected with the guide rod in a sliding mode.
The convenient voltage sensing device with strong anti-interference capability has the advantages that the shielding cover shields the main body through the shielding mechanism, the main body is prevented from being interfered by an external magnetic field to influence detection precision, the anti-interference capability is improved, compared with the existing shielding mechanism, the shielding mechanism has a good shielding effect, the detection precision is improved, the voltage sensing device can be fixed on a cable through the mounting mechanism, the mounting convenience is improved, and compared with the existing mounting mechanism, the mounting mechanism is simple to operate and high in practicability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a portable voltage sensing device with high interference rejection capability according to the present invention;
FIG. 2 is a side view of the portable voltage sensing device of the present invention with high interference rejection capability;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic view of a connection structure of a guide block and a slideway of the portable voltage sensing device with strong anti-interference capability;
in the figure: 1. the novel adjustable clamp comprises a base, 2 parts of a main body, 3 parts of a knob, 4 parts of a rotating shaft, 5 parts of a first bevel gear, 6 parts of a second bevel gear, 7 parts of a screw rod, 8 parts of a connecting rod, 9 parts of a clamping plate, 10 parts of a guide rod, 11 parts of a shielding cover, 12 parts of a handle, 13 parts of a fixing plate, 14 parts of a supporting plate, 15 parts of a fixing pipe, 16 parts of a supporting plate, 17 parts of a first spring, 18 parts of a moving plate, 19 parts of a fixing rod, 20 parts of a fixing block, 21 parts of a pressing plate, 22 parts of a second spring, 23 parts of a pressing rod, 24 parts of a pushing plate, 25 parts of a limiting.
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, the portable voltage sensing device with strong anti-interference capability comprises a base 1 and a main body 2, wherein the main body 2 is fixed above the base 1, a through hole is formed in the main body 2, the portable voltage sensing device further comprises a shielding mechanism and two mounting mechanisms, the shielding mechanism is arranged above the base 1, and the two mounting mechanisms are respectively arranged on two sides of the base 1;
this convenient type voltage sensing device that interference killing feature is strong passes through shielding mechanism for main part 2 is sheltered from to shield cover 11, avoids main part 2 to receive external magnetic field's interference and influence the detection precision, has improved the interference killing feature, through installation mechanism, can fix voltage sensing device on the cable, has improved the convenience of installation.
As shown in fig. 1 and 3, the shielding mechanism includes a fixing block 20, a support rod, a fixing component and two shielding cases 11, the two shielding cases 11 are respectively hinged to two sides above the base 1, the two shielding cases 11 are abutted against each other, a through hole is formed in each side, close to each other, of each shielding case 11, the through hole and the through hole are coaxially arranged, an opening is formed below each shielding case 11, the main body 2 is arranged inside each shielding case 11, the fixing component is arranged above one shielding case 11, the fixing block 20 is fixed above the other shielding case 11 through the support rod, a notch is formed in one side, close to the fixing component, of the fixing block 20, and notches are formed in the top and the bottom of each notch;
the fixing assembly comprises a handle 12, a fixing plate 13, a fixing tube 15, a supporting plate 16, two supporting plates 14 and two fixing units, wherein the fixing plate 13 is fixed above the shielding cover 11, one ends of the two supporting plates 14 are fixedly connected with the upper part and the lower part of one side, close to the fixing block 20, of the fixing plate 13 respectively, the other ends of the supporting plates 14 are abutted against the fixing block 20, a round hole is formed in the fixing plate 13, the handle 12 penetrates through the round hole to be fixedly connected with the fixing tube 15, the fixing tube 15 is arranged in a notch, the distance between the two supporting plates 14 is equal to the length of the fixing tube 15, the supporting plate 16 is fixed in the fixing tube 15, the two fixing units are arranged above and below the supporting plate 16 respectively, the fixing units correspond to the notches one to one, and the fixing tube 15 is matched with the;
the user rotates shield cover 11 and makes two shield covers 11 support each other and lean on, artificial removal handle 12 again, drive fixed pipe 15 and remove to the direction that is close to the breach, make fixed pipe 15 be located the inside of breach, when removing to notch department, fixed unit work realizes the function of fixed pipe 15 position, thereby realize the function of fixed two shield covers 11, shelter from through shield cover 11, the interference killing feature of voltage sensing device has been improved, thereby detection accuracy has been improved.
As shown in fig. 1-2, the mounting mechanism includes a driving assembly and two clamping assemblies, two strip-shaped openings are arranged above the base 1, the strip-shaped openings correspond to the mounting mechanism one by one, the driving assembly is arranged between the two clamping assemblies, and the driving assembly is connected with the clamping assemblies;
the centre gripping subassembly includes lead screw 7, first bearing, connecting rod 8 and grip block 9, the inner wall fixed connection of one side of first bearing and base 1, the one end of lead screw 7 and the inner circle fixed connection of first bearing, the other end and the drive assembly of lead screw 7 are connected, a pot head of connecting rod 8 is established on lead screw 7, the junction of connecting rod 8 and lead screw 7 is equipped with the screw thread that matches with lead screw 7, the other end of connecting rod 8 passes bar mouth and grip block 9 fixed connection, the shape of grip block 9 is half-circular ring shape, the axis of grip block 9 and the axis parallel arrangement who pierces through the hole.
When carrying out installation work, pass the cable through the hole of piercing of main part 2 for the cable is located between two grip blocks 9, artificially make drive assembly work, drive lead screw 7 and rotate, make two connecting rods 8 remove to the direction that is close to each other, thereby make two grip blocks 9 remove to the direction that is close to each other, make grip blocks 9 centre gripping cable, realize fixed mounting's function, improved the convenience of installation, and make the cable be in the axis department of main part 2, improved the detection precision.
Preferably, in order to realize the fixing function, the fixing unit includes a fixing rod 19, a moving plate 18 and a first spring 17, one end of the fixing rod 19 is fixedly connected with one side of the moving plate 18, the other end of the fixing rod 19 is embedded in the notch, two ends of the first spring 17 are respectively connected with the other side of the moving plate 18 and the supporting plate 16, and the first spring 17 is in a compressed state.
When two shield cover 11 lean on each other, the people move fixed pipe 15 to the direction that is close to the breach through removing handle 12 and remove for fixed pipe 15 moves into the inside of breach, when removing to notch department, because first spring 17 is in compression state, makes dead lever 19 to the direction removal of keeping away from backup pad 16, makes the inside of dead lever 19 embedding notch, thereby realizes the function of fixed shield cover 11.
Preferably, in order to restrict the moving direction of the fixing rod 19, the fixing unit further includes two limiting units, the two limiting units are respectively disposed at two sides of the fixing rod 19, the limiting unit includes a limiting rod 26 and a limiting plate 25, two ends of the limiting rod 26 are respectively fixedly connected with the limiting plate 25 and the supporting plate 16, the axis of the fixing tube 15 is parallel to the limiting rod 26, two ends of the moving plate 18 are respectively provided with a small hole, the small holes correspond to the limiting rods 26 one by one, the limiting rods 26 penetrate through the small holes, and the moving plate 18 is slidably connected with the limiting rods 26.
When the fixed rod 19 moves, the movable plate 18 is driven to move on the limiting rod 26, so that the moving direction of the fixed rod 19 is limited, and the stability of the fixed rod 19 during moving is improved.
Preferably, to facilitate insertion of the retaining rod 19 within the recess, the end of the retaining rod 19 adjacent the strip 14 is hemispherical in shape.
Preferably, in order to push the fixing rod 19, two moving assemblies are arranged on the fixing block 20, the moving assemblies correspond to the notches one to one, through holes are formed in the upper portion and the lower portion of the fixing block 20, the through holes correspond to the notches one to one, the through holes are communicated with the notches, each moving assembly comprises a pressing plate 21, a pressing rod 23, a pushing plate 24 and a second spring 22, one end of each pressing rod 23 is fixedly connected with the pressing plate 21, the other end of each pressing rod 23 penetrates through the through holes to be arranged inside the corresponding notch, the other end of each pressing rod 23 is fixedly connected with the corresponding pushing plate 24, the pushing plate 24 abuts against one end, far away from the supporting rod, of the fixing rod 19, and two ends of each second spring 22 are respectively.
When two shielding cases 11 need to be separated, the pressing plate 21 is manually pressed, so that the pressing plate 21 moves towards the direction close to the fixing block 20, the pressing rod 23 drives the pushing plate 24 to move towards the direction close to the notch, and meanwhile, the second spring 22 is compressed, so that the fixing rod 19 moves towards the direction close to the supporting plate 16, a user can conveniently move the fixing pipe 15 through the handle 12, the fixing pipe 15 is separated from the notch, and the two shielding cases 11 are convenient to separate.
As shown in fig. 4, the fixing assembly further includes a slide way 27 and a guide block 28, the guide block 28 is fixedly connected with the handle 12, the slide way 27 is fixed above the shielding case 11, a slide groove is arranged above the slide way 27, the guide block 28 is arranged inside the slide groove, the guide block 28 is matched with the slide groove, and the guide block 28 is slidably connected with the slide groove.
When the handle 12 moves, the guide block 28 is driven to move in the slide way 27, so that the moving direction of the handle 12 is limited, and the handle 12 is more stable when moving.
Preferably, to avoid the guide block 28 from disengaging from the slide 27, the slide is a dovetail groove.
Preferably, in order to drive the clamping assembly to work, the driving assembly comprises a knob 3, a rotating shaft 4, a second bearing, a first bevel gear 5 and two second bevel gears 6, the second bearing is fixed above the base 1, one end of the rotating shaft 4 is fixedly connected with the knob 3, the other end of the rotating shaft 4 penetrates through the strip-shaped opening to be fixedly connected with the first bevel gear 5, the second bevel gears 6 correspond to the screw rods 7 one to one, the second bevel gears 6 are fixedly connected with one ends, far away from the second bearing, of the screw rods 7, and the first bevel gears 5 are meshed with the second bevel gears 6.
When the installation work is carried out, the knob 3 is manually rotated to drive the rotating shaft 4 to rotate, so that the first bevel gear 5 rotates, the lead screw 7 rotates through meshing with the second bevel gear 6, the two connecting rods 8 move towards the mutually approaching direction, the two clamping plates 9 move towards the mutually approaching direction, the cable is clamped through the clamping plates 9, and the function of fixing the position of the voltage sensing device is realized.
Preferably, in order to make the second bevel gear 6 smoothly rotate, the first bevel gear 5 is coated with lubricating oil, so that the friction force between the first bevel gear 5 and the second bevel gear 6 is reduced, the second bevel gear 6 is smoothly rotated, and the smoothness of the screw rod 7 in rotation is improved.
Preferably, in order to limit the moving direction of the connecting rod 8, the clamping assembly further comprises a guide rod 10, the guide rod 10 is horizontally arranged inside the base 1, one end of the guide rod 10 is fixedly connected with the inner wall, close to the first bearing, of the base 1, the connecting rod 8 is sleeved on the guide rod 10, and the connecting rod 8 is slidably connected with the guide rod 10.
Through setting up guide bar 10 for connecting rod 8 does not take place to rotate when moving on lead screw 7, stability when having improved connecting rod 8 and having removed.
When the installation is finished, the user rotates the shielding cover 11 to make the two shielding covers 11 abut against each other, then manually moves the handle 12 to drive the fixing tube 15 to move towards the direction close to the notch, so that the fixing tube 15 is positioned inside the notch, when the fixing tube 15 is moved to the notch, because the first spring 17 is in a compressed state, the fixing rod 19 moves towards the direction far away from the support plate 16, the fixing rod 19 is embedded into the notch, the function of fixing the position of the fixing pipe 15 is achieved, the function of fixing the two shielding cases 11 is achieved, the shielding of the shielding cases 11 improves the interference resistance of the voltage sensing device, and the detection precision is improved.
Compared with the prior art, this convenient type voltage sensing device that interference killing feature is strong passes through shielding mechanism for main part 2 is sheltered from to shield cover 11, avoid main part 2 to receive the interference of external magnetic field and influence the detection precision, the interference killing feature has been improved, compare with current shielding mechanism, this shielding mechanism shields effectually, the precision of detecting has been promoted, through installation mechanism, can fix voltage sensing device on the cable, the convenience of installation has been improved, compare with current installation mechanism, this installation mechanism easy operation, the practicality is high.
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. A convenient voltage sensing device with strong anti-interference capability comprises a base (1) and a main body (2), wherein the main body (2) is fixed above the base (1), and a through hole is formed in the main body (2), and the voltage sensing device is characterized by further comprising a shielding mechanism and two mounting mechanisms, wherein the shielding mechanism is arranged above the base (1), and the two mounting mechanisms are respectively arranged on two sides of the base (1);
the shielding mechanism comprises a fixed block (20), a supporting rod, a fixed assembly and two shielding cases (11), the two shielding cases (11) are hinged to two sides of the upper portion of the base (1) respectively, the two shielding cases (11) are abutted against each other, a through hole is formed in one side, close to each other, of each shielding case (11), the through hole and the through hole are coaxially arranged, an opening is formed below each shielding case (11), the main body (2) is arranged inside the two shielding cases (11), the fixed assembly is arranged above one shielding case (11), the fixed block (20) is fixed above the other shielding case (11) through the supporting rod, a notch is formed in one side, close to the fixed assembly, of each fixed block (20), and notches are formed in the top and the bottom of each notch;
the fixing component comprises a handle (12), a fixing plate (13), a fixing pipe (15), a supporting plate (16), two supporting plates (14) and two fixing units, wherein the fixing plate (13) is fixed above the shielding cover (11), one ends of the two supporting plates (14) are fixedly connected with the upper part and the lower part of one side, close to the fixing block (20), of the fixing plate (13) respectively, the other ends of the supporting plates (14) are abutted to the fixing block (20), a round hole is formed in the fixing plate (13), the handle (12) penetrates through the round hole to be fixedly connected with the fixing pipe (15), the fixing pipe (15) is arranged inside a gap, the distance between the supports of the two supporting plates (14) is equal to the length of the fixing pipe (15), the supporting plate (16) is fixed inside the fixing pipe (15), the two fixing units are arranged above and below the supporting plate (16) respectively, the fixing units correspond to the notches one to one, and the fixing pipes (15) are matched with the notches;
the mounting mechanism comprises a driving assembly and two clamping assemblies, two strip-shaped openings are formed above the base (1), the strip-shaped openings correspond to the mounting mechanism one by one, the driving assembly is arranged between the two clamping assemblies, and the driving assembly is connected with the clamping assemblies;
the centre gripping subassembly includes lead screw (7), first bearing, connecting rod (8) and grip block (9), the inner wall fixed connection of one side of first bearing and base (1), the one end of lead screw (7) and the inner circle fixed connection of first bearing, the other end and the drive assembly of lead screw (7) are connected, the pot head of connecting rod (8) is established on lead screw (7), the junction of connecting rod (8) and lead screw (7) is equipped with the screw thread that matches with lead screw (7), the other end of connecting rod (8) passes bar mouth and grip block (9) fixed connection, the shape of grip block (9) is semicircle annular, the axis and the axis parallel arrangement who pierces through the hole of grip block (9).
2. The portable voltage sensing device with high interference rejection capability of claim 1, wherein the fixed unit comprises a fixed rod (19), a moving plate (18) and a first spring (17), one end of the fixed rod (19) is fixedly connected with one side of the moving plate (18), the other end of the fixed rod (19) is embedded into the notch, two ends of the first spring (17) are respectively connected with the other side of the moving plate (18) and the supporting plate (16), and the first spring (17) is in a compressed state.
3. The portable voltage sensing device with high interference rejection capability of claim 2, wherein the fixing unit further comprises two limiting units, the two limiting units are respectively disposed at two sides of the fixing rod (19), the limiting units comprise limiting rods (26) and limiting plates (25), two ends of each limiting rod (26) are respectively and fixedly connected with the limiting plates (25) and the supporting plate (16), the axis of the fixing tube (15) is parallel to the limiting rods (26), two ends of the moving plate (18) are respectively provided with small holes, the small holes correspond to the limiting rods (26) one by one, the limiting rods (26) penetrate through the small holes, and the moving plate (18) is slidably connected with the limiting rods (26).
4. The portable voltage sensing device with high interference rejection of claim 3, wherein the end of said fixing rod (19) near the support plate (14) is shaped as a hemisphere.
5. The robust tamper resistant portable voltage sensing apparatus of claim 1, two moving components are arranged on the fixed block (20), the moving components correspond to the notches one by one, through holes are respectively arranged above and below the fixed block (20), the through holes correspond to the notches one by one, the through hole is communicated with the notch, the moving assembly comprises a pressure plate (21), a pressure rod (23), a push plate (24) and a second spring (22), one end of the pressure lever (23) is fixedly connected with the pressure plate (21), the other end of the pressure lever (23) passes through the through hole and is arranged in the notch, the other end of the pressure lever (23) is fixedly connected with a push plate (24), the push plate (24) is propped against one end of the fixed rod (19) far away from the support rod, and two ends of the second spring (22) are respectively connected with the fixed block (20) and the pressing plate (21).
6. The portable voltage sensing device with high interference rejection of claim 1, wherein the fixing assembly further comprises a slide way (27) and a guide block (28), the guide block (28) is fixedly connected with the handle (12), the slide way (27) is fixed above the shielding case (11), a slide groove is arranged above the slide way (27), the guide block (28) is arranged inside the slide groove, the guide block (28) is matched with the slide groove, and the guide block (28) is slidably connected with the slide groove.
7. The robust interference rejection voltage sensing device as in claim 8 wherein said runner is a dovetail.
8. The portable voltage sensing device with high interference rejection capability according to claim 1, wherein the driving assembly comprises a knob (3), a rotating shaft (4), a second bearing, a first bevel gear (5) and two second bevel gears (6), the second bearing is fixed above the base (1), one end of the rotating shaft (4) is fixedly connected with the knob (3), the other end of the rotating shaft (4) penetrates through a strip-shaped opening to be fixedly connected with the first bevel gear (5), the second bevel gears (6) correspond to the screw rods (7) one by one, the second bevel gears (6) are fixedly connected with one ends of the screw rods (7) far away from the second bearing, and the first bevel gears (5) are meshed with the second bevel gears (6).
9. The portable voltage sensing device with high interference rejection capability of claim 8, wherein said first bevel gear (5) is coated with a lubricating oil.
10. The portable voltage sensing device with high interference rejection capability of claim 1, wherein the clamping assembly further comprises a guide rod (10), the guide rod (10) is horizontally arranged inside the base (1), one end of the guide rod (10) is fixedly connected with the inner wall of the base (1) close to the first bearing, the connecting rod (8) is sleeved on the guide rod (10), and the connecting rod (8) is slidably connected with the guide rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835498.6A CN110618299A (en) | 2019-09-05 | 2019-09-05 | Convenient voltage sensing device with strong anti-interference capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835498.6A CN110618299A (en) | 2019-09-05 | 2019-09-05 | Convenient voltage sensing device with strong anti-interference capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110618299A true CN110618299A (en) | 2019-12-27 |
Family
ID=68922367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910835498.6A Withdrawn CN110618299A (en) | 2019-09-05 | 2019-09-05 | Convenient voltage sensing device with strong anti-interference capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110618299A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554495A (en) * | 2020-04-26 | 2020-08-18 | 安徽华能集团电器有限公司 | National grid high-voltage current transformer |
-
2019
- 2019-09-05 CN CN201910835498.6A patent/CN110618299A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554495A (en) * | 2020-04-26 | 2020-08-18 | 安徽华能集团电器有限公司 | National grid high-voltage current transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110763561A (en) | Tensile test device of enameled cable | |
| CN110618299A (en) | Convenient voltage sensing device with strong anti-interference capability | |
| CN209727995U (en) | A kind of precision measurement probe process equipment | |
| CN208751527U (en) | A kind of monitor station and its detection jig of handware processing | |
| CN213688286U (en) | Precision gear machining detection device | |
| CN210269853U (en) | Urinary sediment analyzer convenient for accurately placing sample rack | |
| CN217689275U (en) | High-precision linear module for pcb test | |
| CN216646299U (en) | Photoelectric coded disc surface flaw detection device | |
| CN216955831U (en) | Quick detection device of humidity is done to chemical fertilizer | |
| CN110006362A (en) | A kind of profile projector | |
| CN213812843U (en) | Automobile punching part punches a hole and uses verifying attachment convenient to location | |
| CN109108890A (en) | Automatic gear assembling device | |
| CN210716679U (en) | Tripod for total powerstation | |
| CN208532804U (en) | A kind of bacteria detecting apparatus | |
| CN106568610A (en) | Structure-optimized collector for monitoring of lake water environment | |
| CN215064590U (en) | Photoelectric detection device with multiple detection positions | |
| CN220366803U (en) | Camera hole thickness detector | |
| CN216030399U (en) | Clamp for optical filter detection | |
| CN213129495U (en) | Psychological assessment detection equipment capable of collecting facial expressions at multiple angles | |
| CN214066127U (en) | Biological index data comprehensive acquisition and analysis device | |
| CN214584913U (en) | Atomic fluorescence photometer for environment detection | |
| CN216410066U (en) | Novel bone plate hole site detects device | |
| CN213544433U (en) | Gap detection device for motor detection | |
| CN218697994U (en) | Positioning tool of gear detector | |
| CN204924905U (en) | Gather pipe adjustable excrement and urine sample camera system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191227 |
|
| WW01 | Invention patent application withdrawn after publication |