CN219957715U - Current detection device of alternating current frequency converter - Google Patents
Current detection device of alternating current frequency converter Download PDFInfo
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- CN219957715U CN219957715U CN202320624461.0U CN202320624461U CN219957715U CN 219957715 U CN219957715 U CN 219957715U CN 202320624461 U CN202320624461 U CN 202320624461U CN 219957715 U CN219957715 U CN 219957715U
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- conductive metal
- fixedly connected
- frequency converter
- pen
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 239000002184 metal Substances 0.000 claims abstract description 60
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of current detection of an alternating current frequency converter, in particular to a current detection device of an alternating current frequency converter, which comprises a lead and a detection pen, wherein the detection pen comprises a pen holder, the bottom of the pen holder is fixedly connected with a connecting sleeve, a connecting cross shaft is fixedly connected between two sides of the inner wall of the connecting sleeve, two conductive metal pieces are connected on the connecting cross shaft in a sliding manner, a spring is fixedly connected on one side of each conductive metal piece, an obliquely arranged adjusting plate is fixedly connected on the top of each conductive metal piece, the conductive metal pieces can be clamped on the positive electrode and the negative electrode of the alternating current frequency converter by manually stirring a sliding pulling piece, the detection pen is not needed to be held by two hands in the detection process, the situation that the distance between the positive electrode and the negative electrode of the alternating current frequency converter is too far, and the detection pen cannot be connected to the positive electrode and the negative electrode of the alternating current frequency converter simultaneously by a single person is avoided, and the operation is simple and convenient to use.
Description
Technical Field
The utility model relates to the technical field of current detection of an alternating current frequency converter, in particular to a current detection device of an alternating current frequency converter.
Background
An ac frequency converter is in fact an inverter which first converts ac power into dc power and then switches the dc power with electronic components into ac power.
In order to grasp the reliability of the ac frequency converter, it is necessary to perform current detection on the ac frequency converter, for example, an ac frequency converter current detection device proposed in the patent application No. cn202110759868.X "can intuitively see the magnitude of the current.
In the prior art, as the detection device proposed in the patent application number "cn202110759868.X" is used for detecting the current of the ac frequency converter, two detection pens on the detection device are connected to the positive pole and the negative pole of the ac frequency converter to detect the current, two detection pens are needed to be held by two hands respectively in the process, the detection pens are abutted to the positive pole and the negative pole of the ac frequency converter, but when the distance between the positive pole and the negative pole of the ac frequency converter is too far, the detection pens are limited by the length of an arm, and a single operator cannot connect the detection pens to the positive pole and the negative pole of the ac frequency converter to detect the electric power at the same time.
Disclosure of Invention
The present utility model is directed to a current detecting device of an ac frequency converter, so as to solve the problems set forth in the background art.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a current detection device of AC frequency converter, includes wire and detection pen, and detection pen includes the pen-holder, the bottom fixedly connected with adapter sleeve of pen-holder, fixedly connected with connects the cross axle between the both sides of adapter sleeve inner wall, and sliding connection has two electrically conductive metalwork on the connection cross axle, and one side fixedly connected with spring of electrically conductive metalwork, the top fixedly connected with regulating plate that the slope set up of electrically conductive metalwork.
The inside swing joint of pen-holder has conductive metal pole, the bottom fixedly connected with of conductive metal pole is connected with two bent axles, and one side fixedly connected with of conductive metal pole adopts the connecting axle of conductive material preparation, and one end of connecting axle just is located one side fixedly connected with sliding contact of regulating plate.
Preferably, the spring is sleeved on the outer surface of the connecting cross shaft, one end of the spring is fixedly connected with one side of the inner wall of the connecting sleeve, and an insulating connecting ring is fixedly connected between the spring and the conductive metal piece.
Preferably, the bottom of the connecting sleeve is provided with a movable notch, and the bottoms of the two conductive metal pieces penetrate through the movable notch and extend to the outside of the connecting sleeve.
Preferably, cambered surface grooves are formed in one side, close to each other, of the two conductive metal pieces, and an insulating jacket is fixedly connected to one side, far away from each other, of the two conductive metal pieces.
Preferably, two regulating plates at the top of the conductive metal piece are symmetrically arranged, a movable groove is formed in one side, close to each other, of each regulating plate, and a roller matched with the movable groove is fixedly arranged at one end, far away from the conductive metal rod, of the connecting crankshaft.
Preferably, a communicating notch is formed in one side of the pen holder, a connecting block made of an insulating material is fixedly connected to one side of the conductive metal rod, and a sliding pulling piece is fixedly connected to one end of the connecting block and located on the outer side of the pen holder.
Preferably, one end of the wire positioned in the pen holder is fixedly connected with the top of the conductive metal rod, and the rubber protective sleeve is fixedly connected with the top of the pen holder and positioned outside the wire.
The utility model has the beneficial effects that:
through manual slip plectrum of stirring, can be with electrically conductive metalwork centre gripping on the anodal and the negative pole of exchanging the converter, accomplish the electric current detection to exchanging the converter, need not two hands in the testing process and hold the detection pen, avoid anodal and the negative pole distance of exchanging the converter too far, lead to single operation can't be simultaneously with detecting the pen be connected to anodal and the negative pole of exchanging the converter on, easy operation facilitates the use.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the bottom portion of the connection sleeve of FIG. 1;
fig. 3 is a cross-sectional view of the connection sleeve of fig. 1;
fig. 4 is a schematic structural view of the conductive metal part in fig. 3.
Reference numerals in the drawings are as follows:
1. the device comprises a lead, 2, a penholder, 3, a connecting sleeve, 4, a connecting cross shaft, 5, a conductive metal piece, 6, a spring, 7, an adjusting plate, 8, a conductive metal rod, 9, a connecting crankshaft, 10, a connecting shaft, 11, a sliding contact, 12, an insulating connecting ring, 13, a movable notch, 14, a cambered surface groove, 15, an insulating jacket, 16, a movable groove, 17, a roller, 18, a communicating notch, 19, a connecting block, 20, a sliding plectrum, 21 and a rubber protective sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a current detection device of AC frequency converter, includes wire 1 and detection pen, and the detection pen includes pen-holder 2, the bottom fixedly connected with adapter sleeve 3 of pen-holder 2, fixedly connected with connects cross axle 4 between the both sides of adapter sleeve 3 inner wall, and sliding connection has two electrically conductive metalwork 5 on connecting cross axle 4, and one side fixedly connected with spring 6 of electrically conductive metalwork 5, the top fixedly connected with regulating plate 7 of electrically conductive metalwork 5 slope setting.
The inside swing joint of pen-holder 2 has electrically conductive metal pole 8, electrically conductive metal pole 8's bottom fixedly connected with two connecting crankshafts 9, electrically conductive metal pole 8's one side fixedly connected with adopts the connecting axle 10 of electrically conductive material preparation, and the one end of connecting axle 10 just is located one side fixedly connected with sliding contact 11 of regulating plate 7.
As shown in fig. 1, the pen holder 2 is a part of a detection pen, and the detection pen is a part of a current detection device of an ac frequency converter in the prior art, and comprises a detection device and two detectors connected to the detection device through a guide, wherein the two detection pens can be respectively connected to an anode and a cathode of the ac frequency converter to detect current of the ac frequency converter, the pen holder 2 and the connecting sleeve 3 are made of insulating materials, the pen holder 2 is convenient to hold for current detection of the ac frequency converter, and the adjusting plate 7 is made of the same material as the conductive metal piece 5.
The spring 6 is sleeved on the outer surface of the connecting transverse shaft 4, one end of the spring 6 is fixedly connected with one side of the inner wall of the connecting sleeve 3, and an insulating connecting ring 12 is fixedly connected between the spring 6 and the conductive metal piece 5.
As shown in fig. 3 and 4, by providing an insulating connecting ring 12 between the spring 6 and the conductive metal member 5, the current on the conductive metal member 5 is not conducted to the spring 6.
The bottom of the connecting sleeve 3 is provided with a movable notch 13, and the bottoms of the two conductive metal pieces 5 penetrate through the movable notch 13 and extend to the outside of the connecting sleeve 3.
The cambered surface groove 14 is formed in one side, close to each other, of the two conductive metal pieces 5, and the insulating jacket 15 is fixedly connected to one side, far away from each other, of the two conductive metal pieces 5.
As shown in fig. 2 and 3, the cambered surface groove 14 is positioned at the part of the conductive metal piece 5 outside the connecting sleeve 3, so that the conductive metal piece 5 can be clamped on a wire serving as a positive electrode or a negative electrode, and the insulating jacket 15 provides protection for the part of the non-conductive metal piece 5 positioned outside the connecting sleeve 3 while the conductivity of the conductive metal piece 5 is not affected.
Two regulating plates 7 at the top of the conductive metal piece 5 are symmetrically arranged, a movable groove 16 is formed in one side, close to each other, of each regulating plate 7, and a roller 17 matched with the movable groove 16 is fixedly arranged at one end, far away from the conductive metal rod 8, of the connecting crankshaft 9.
As shown in fig. 3 and 4, the connecting crankshaft 9 is abutted against the adjusting plate 7 by the roller 17, so that when the connecting crankshaft 9 moves up and down, the roller 17 can rotate in the movable groove 16, and friction between the connecting crankshaft 9 and the adjusting plate 7 is reduced.
A communicating notch 18 is formed in one side of the pen holder 2, a connecting block 19 made of an insulating material is fixedly connected to one side of the conductive metal rod 8, and a sliding pulling piece 20 is fixedly connected to one end of the connecting block 19 and located on the outer side of the pen holder 2.
As shown in fig. 1, the sliding plectrum 20 is externally provided with anti-slip grooves, so that the sliding plectrum 20 can be pushed downwards by a finger when the pen holder 2 is held manually.
One end of the lead 1 positioned in the pen holder 2 is fixedly connected with the top of the conductive metal rod 8, and a rubber protective sleeve 21 is fixedly connected with the top of the pen holder 2 and positioned outside the lead 1.
As shown in fig. 2, 3 and 4, the rubber protective sleeve 21 can improve the sealing capability between the lead 1 and the pen holder 2, and does not affect the movement of the lead 1.
The utility model provides a current detection device of an alternating current frequency converter, which has the following working principle:
when the detection head needs to be connected to the positive electrode and the negative electrode of the alternating current frequency converter for current detection:
firstly, holding a penholder 2, downwards stirring a sliding plectrum 20 by one finger, driving a conductive metal rod 8 to move downwards by the sliding plectrum 20 through a connecting block 19, driving two connecting crankshafts 9 to move downwards by the conductive metal rod 8, connecting regulating plates 7 at two sides by the connecting crankshafts 9, driving two conductive metal pieces 5 to move in a direction away from each other by the regulating plates 7, clamping the two conductive metal pieces 5 onto the positive electrode or the negative electrode of an alternating current frequency converter at the moment, and jointly moving a sliding contact 11 and a connecting shaft 10 along with the conductive metal rod 8, so that the sliding contact 11 can be always attached to the regulating plates 7;
then the sliding plectrum 20 and the pen holder 2 are loosened, the spring 6 stretches and pushes the conductive metal piece 5, so that the conductive metal piece 5 is clamped and tightly attached to the positive electrode or the negative electrode of the alternating current frequency converter, at the moment, the electric power on the positive electrode or the negative electrode of the alternating current frequency converter is conducted to the lead 1 through the conductive metal piece 5, the adjusting plate 7, the sliding contact 11, the connecting shaft 10 and the conductive metal rod 8, and is clamped to the positive electrode or the negative electrode of the alternating current frequency converter through the clamping pen of the two detection heads, and then the current detection of the alternating current frequency converter can be completed by matching with the alternating current frequency converter detection device;
when the sliding pulling piece 20 is moved downwards reversely to separate the two conductive metal pieces 5 from each other, the detection pen can be taken off from the anode or the cathode of the alternating-current frequency converter.
Compared with the related art, the current detection device of the alternating current frequency converter has the following beneficial effects:
through manual stirring slip plectrum 20, can be with electrically conductive metalwork 5 centre gripping on the anodal and the negative pole of exchanging the converter, accomplish the electric current detection to exchanging the converter, need not two to hold the detection pen in the testing process, avoid anodal and the negative pole of exchanging the converter to be far away, lead to single operation can't be simultaneously with the detection pen be connected to anodal and the negative pole of exchanging the converter on, easy operation facilitates the use.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The current detection device of the alternating current frequency converter comprises a lead (1) and a detection pen, wherein the detection pen comprises a pen holder (2), and is characterized in that a connecting sleeve (3) is fixedly connected to the bottom of the pen holder (2), a connecting transverse shaft (4) is fixedly connected between two sides of the inner wall of the connecting sleeve (3), two conductive metal pieces (5) are connected to the connecting transverse shaft (4) in a sliding manner, a spring (6) is fixedly connected to one side of each conductive metal piece (5), and an adjusting plate (7) which is obliquely arranged is fixedly connected to the top of each conductive metal piece (5);
the novel pen is characterized in that a conductive metal rod (8) is movably connected inside the pen holder (2), two connecting crankshafts (9) are fixedly connected to the bottom of the conductive metal rod (8), a connecting shaft (10) made of conductive materials is fixedly connected to one side of the conductive metal rod (8), and a sliding contact (11) is fixedly connected to one end of the connecting shaft (10) and one side of the adjusting plate (7);
one side of pen-holder (2) has seted up intercommunication notch (18), and one side fixedly connected with of electrically conductive metal pole (8) is by connecting block (19) of insulating material preparation, and the outside fixedly connected with slip plectrum (20) that just is located pen-holder (2) of one end of connecting block (19).
2. The current detection device of an ac frequency converter according to claim 1, wherein the spring (6) is sleeved on the outer surface of the connecting cross shaft (4), one end of the spring (6) is fixedly connected with one side of the inner wall of the connecting sleeve (3), and an insulating connecting ring (12) is fixedly connected between the spring (6) and the conductive metal piece (5).
3. The current detection device of an ac frequency converter according to claim 2, characterized in that the bottom of the connecting sleeve (3) is provided with a movable notch (13), and the bottoms of the two conductive metal pieces (5) penetrate through the movable notch (13) and extend to the outside of the connecting sleeve (3).
4. A current detecting device for an ac frequency converter according to claim 3, characterized in that the two conductive metal members (5) are provided with a cambered surface groove (14) on a side close to each other, and the two conductive metal members (5) are fixedly connected with an insulating jacket (15) on a side far from each other.
5. The current detection device of an alternating current frequency converter according to claim 1, wherein two adjusting plates (7) at the top of the two conductive metal pieces (5) are symmetrically arranged, a movable groove (16) is formed in one side, close to each other, of each adjusting plate (7), and a roller (17) matched with the movable groove (16) is fixedly arranged at one end, far away from the conductive metal rod (8), of the connecting crankshaft (9).
6. The current detection device of an ac frequency converter according to claim 1, wherein one end of the wire (1) located inside the pen holder (2) is fixedly connected with the top of the conductive metal rod (8), and the rubber protection sleeve (21) is fixedly connected to the top of the pen holder (2) and located outside the wire (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320624461.0U CN219957715U (en) | 2023-03-27 | 2023-03-27 | Current detection device of alternating current frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320624461.0U CN219957715U (en) | 2023-03-27 | 2023-03-27 | Current detection device of alternating current frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219957715U true CN219957715U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320624461.0U Active CN219957715U (en) | 2023-03-27 | 2023-03-27 | Current detection device of alternating current frequency converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN219957715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117269563A (en) * | 2023-11-22 | 2023-12-22 | 山东联创高科自动化有限公司 | Fan frequency converter detection device |
-
2023
- 2023-03-27 CN CN202320624461.0U patent/CN219957715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117269563A (en) * | 2023-11-22 | 2023-12-22 | 山东联创高科自动化有限公司 | Fan frequency converter detection device |
| CN117269563B (en) * | 2023-11-22 | 2024-01-23 | 山东联创高科自动化有限公司 | Fan frequency converter detection device |
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