CN211545573U - A core for data line coiling mechanism - Google Patents
A core for data line coiling mechanism Download PDFInfo
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- CN211545573U CN211545573U CN201922098084.8U CN201922098084U CN211545573U CN 211545573 U CN211545573 U CN 211545573U CN 201922098084 U CN201922098084 U CN 201922098084U CN 211545573 U CN211545573 U CN 211545573U
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- track
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- groove
- data line
- wire spool
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Abstract
The utility model discloses a core for data line coiling mechanism, including the wire reel, positioner and guider, be used for the track that the data line stretches out and retrieves through setting up on the wire reel, and set up constant head tank and breach between the track, make intercommunication between two track grooves, realize positioner and switch in two guide rail grooves, realize withdrawing and stretching out of data line, and realize the automatic positioning of data line extension length through positioner and constant head tank, the structure of data line coiling mechanism has been simplified, the operation is more convenient, the volume of data line coiling mechanism has also been reduced simultaneously.
Description
Technical Field
The utility model relates to an electronic components field specifically is a core for data line coiling mechanism.
Background
With the development of communication networks, mobile phones are more and more popular, and people often carry electronic products such as mobile phones and computers when going out, but because the standby time of the electronic products is limited, the mobile phones must carry data lines, and the electronic products are charged when the carried electronic products are not powered on, or the electronic products are charged through a charger, so that the service life of the electronic products is prolonged.
However, the data line is all rectangular linear structure, the phenomenon of winding or knoing can appear when the data line carries, not only carry inconveniently, just need just can use after arranging the data line in order during the use, just so bring a great deal of inconvenience for the user, current data line coiling mechanism adopts the similar device of tape measure to carry out the rolling of data line, set up locking mechanism on the casing, fix a position the flexible length of data line, locking mechanism has been increased on the casing, lead to whole data line coiling mechanism's structure complicacy, and the manufacturing cost is improved, and locking mechanism damages easily, also cause the coiling mechanism volume grow simultaneously, it is inconvenient to carry.
SUMMERY OF THE UTILITY MODEL
To the problem that current data line coiling mechanism structure is complicated, the utility model provides a core for data line coiling mechanism has simplified the structure of coiling mechanism, realizes the automatic control who receives the line simultaneously to the person of facilitating the use carries.
The utility model discloses a realize through following technical scheme:
a machine core for a data line winding device comprises a wire spool, a guide device and a positioning device;
the wire spool is rotatably arranged in the shell, and a wire groove for winding a data wire is formed in the wire spool; the guiding device is fixedly connected to the inner wall of the shell and positioned at the top of the wire spool, a positioning guide rail is arranged on the end face of the wire spool, one end of the positioning device is positioned in the positioning guide rail, the other end of the positioning device is positioned in the guiding device, and when the wire spool rotates, the positioning guide rail can drive the positioning device to do linear reciprocating motion along the guiding device;
the positioning guide rail comprises a first rail groove and a second rail groove;
the second track groove is of an elliptical ring structure and is eccentrically arranged with the center of the wire spool, the first track groove surrounds the outer side of the second track groove, a first notch and a second notch are respectively arranged on a track partition plate formed between the first track groove and the second track groove, the first notch and the second notch respectively communicate the first track groove with the second track groove and divide the track partition plate into the first track partition plate and the second track partition plate;
the end part of the second track partition plate is provided with a positioning groove, the end part of the first track partition plate is provided with a first guide surface, the positioning groove and the first guide surface are positioned on two sides of the first notch, and the opening side of the positioning groove is opposite to the first guide surface;
when the data line is pulled, the positioning device is positioned in the second track groove;
when the data line is retracted, the positioning device is positioned in the first track groove;
when the extending state of the data line is positioned, the positioning device is positioned in the first track groove;
when the positioning state of the data line is released, the positioning device can enter the first track groove through the first guide surface.
Preferably, the first guide surface is obliquely provided at an end of the first rail partition in a counterclockwise direction.
Preferably, the distance between the end part of the first guide surface close to the first track groove and the center of the wire spool is greater than the distance between the end part of the positioning groove close to the first track groove and the center of the wire spool;
the distance between the end part of the first guide surface close to the second track groove and the center of the wire spool is larger than the distance between the end part of the positioning groove close to the second track groove and the center of the wire spool.
Preferably, the other ends of the first track partition plate and the second track partition plate are both in a tip structure and are positioned at two sides of the second notch;
the distance between the tip of the first track partition plate and the center of the wire spool is smaller than the distance between the tip of the second track partition plate and the center of the wire spool.
Preferably, a second guide surface is arranged on the outer wall of the first track groove, the second guide surface is of an arc-shaped structure and protrudes towards the center of the first track groove, the second guide surface is located on the outer side of the second notch, and the second guide surface is used for guiding the positioning column to the second track groove from the first track groove.
Preferably, the minimum distance between the second guide surface and the center of the wire spool is smaller than or equal to the distance between the tip of the second rail partition and the center of the wire spool.
Preferably, the positioning guide rail is arranged on a positioning track disc, and the positioning track disc is embedded on the end face of the wire spool.
Preferably, the center of wire reel is provided with the recess, is provided with the clockwork spring in the recess, and the center end of clockwork spring links firmly with the casing, and the other end of clockwork spring links firmly with the lateral wall of recess.
Preferably, the guide device is a guide groove arranged on the housing or a rectangular key provided with the guide groove, the rectangular key is embedded on the inner wall of the housing, and the axial direction of the guide groove is coaxial with the extending direction of the data line.
Preferably, the positioning device comprises a strip-shaped positioning ring and a positioning column arranged at the center of the bottom of the positioning ring, the positioning ring is assembled in the guide groove of the upper cover, and the positioning column extends into the positioning track.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a pair of a core for data line coiling mechanism, including the wire reel, positioner and guider, be used for the track that the data line stretches out and retrieves through setting up on the wire reel, and set up constant head tank and breach between the track, make intercommunication between two track grooves, realize positioner and switch in two guide rail grooves, realize withdrawing and stretching out of data line, and realize the automatic positioning of data line extension length through positioner and constant head tank, the structure of data line coiling mechanism has been simplified, the operation is more convenient, the volume of data line coiling mechanism has also been reduced simultaneously.
Drawings
Fig. 1 is an external view of the data line retractor device of the present invention;
fig. 2 is an exploded view of the front side of the data line retractor of the present invention;
fig. 3 is an exploded view of the back of the data line retractor of the present invention;
fig. 4 is a schematic view of the installation of the upper cover and the positioning ring of the present invention;
FIG. 5 is a schematic structural view of the positioning ring of the present invention;
FIG. 6 is a schematic view of the installation of the positioning track plate and the winding turntable of the present invention;
fig. 7 is an internal structure view of the data line expansion device of the present invention;
FIG. 8 is a schematic view of the spring assembly of the present invention;
fig. 9 is a schematic view of the installation of the circuit board and the lower cover of the present invention;
fig. 10 is a schematic structural view of the positioning track disc of the present invention;
fig. 11 is a front view of the positioning track disk of the present invention;
fig. 12 is a track diagram of the positioning columns when the data wires are pulled out according to the present invention;
fig. 13 is a track diagram of the positioning columns when the data wires of the present invention are shifted to the positioning state when being pulled out;
fig. 14 is a track diagram of the positioning columns when the data wires are switched from the positioning state to the recovery state;
fig. 15 is a track diagram of the positioning column when the data wire is switched from the recovery state to the pull-out state.
In the figure: 1. an upper cover; 2. a positioning ring; 3. positioning a track disc; 4. a clockwork spring; 5. a data conductor; 6. a wire spool; 7. A circuit board; 8. a lower cover; 9. a USB wire; 10. a conductive terminal; 11. a guide groove;
31. a first track groove; 32. a second track groove; 33. a first notch; 34. a second notch; 35. positioning a groove; 36. A first guide surface; 37. a second guide surface; 38. a first track separator; 39. a second track separator;
381. a first track surface; 382. a first guide surface; 383. a second track surface; 384. a second guide surface; 391 a third track surface; 392. a third guide surface.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
Referring to fig. 1-14, a movement for winding a data line includes a housing, and a wire spool 6, a circuit board 7 and a positioning device disposed in the housing.
Referring to fig. 2 and 3, a mounting hole for mounting the clockwork spring is formed in the center of the wire spool, the center end of the clockwork spring 4 is fixedly connected with the shell, the other end of the clockwork spring 4 is fixedly connected with the wire spool 6, the data wire is wound on the wire spool, the input end of the data wire is connected with the circuit board, and the output end of the data wire is located outside the shell.
Referring to fig. 4, a guide groove 11 is formed in the housing, a positioning guide rail is formed in an end surface of the wire spool 6, one end of the positioning device is located in the positioning guide rail, the other end of the positioning device is located in the guide groove 11, when the wire spool 6 rotates, the positioning device makes a linear reciprocating motion along the guide groove 11, and the motion direction of the positioning device is the same as the extending direction of the data line.
Referring to fig. 10, the positioning rail includes a first rail groove 31, a second rail groove 32, a first notch 33, a second notch 34, and a positioning groove 35.
The second track groove 32 is of an elliptical structure, the first track groove 31 surrounds the outer side of the second track groove 32, the center of the second track groove 32 and the center of the spring are eccentrically arranged, and the long axis of the second track groove 32 and the extending direction of the data line form an included angle.
A track partition is formed between the first track 31 and the second track 32, the first notch 33 and the second notch 34 are respectively located on the track partition and divide the track partition into a first track partition 38 and a second track partition 39, and the length of the outer side wall of the first track partition 38 is greater than that of the outer side wall of the first track partition 38.
The both sides of first breach are provided with first spigot surface 36 and constant head tank 35 respectively, and the constant head tank is used for fixing a position winding dish, and first spigot surface 36 is arranged in leading-in first track groove 31 of positioner.
The first guide surface 36 is located at the end of the first rail partition 38, the first guide surface 36 is disposed in a counterclockwise inclined manner, the positioning groove 35 is located at the end of the second rail partition 39, the positioning groove 35 is in a V-shaped structure, and the opening of the V-shaped structure is opposite to the first guide surface 36.
Referring to fig. 11, a first track surface 381 and a first guide surface 382 are sequentially connected to each other along a counterclockwise direction on an outer side wall of the first track partition 38, and the first track surface 381 and a track section of the facing first guide rail have the same arc. One end of the first track surface 381 is connected to the first guide surface 36, and an end of the first guide surface 382 is connected to an inner wall of the first track spacer 38, so that the end of the first track spacer 38 has a pointed structure, and the one end of the first guide surface 382 extends in the direction of the first track groove 31.
The outer side wall of the first rail 31 is provided with a second guide surface 37, the second guide surface 37 is opposite to the first guide surface 382, the second guide surface 37 is of an arc-shaped structure and protrudes towards the center of the first rail groove 31, so that the second guide surface 37 forms a protruding structure on the side wall of the first rail, the second guide surface 37 is used for guiding the positioning device into the first rail groove 31, and two ends of the second guide surface 37 are respectively connected with the outer side wall of the first rail groove 31 in a smooth mode.
A second track surface 383 and a second guide surface 384 which are sequentially connected are arranged on the inner side wall of the first track clapboard 38 along the clockwise direction, the radian of the track section of the second track surface 383 and the track section of the second guide rail 32 which is opposite to the second track surface 383 is the same, the second guide surface 384 is connected with the end part of the first guide surface 36, and the first guide surface 36 inclines towards the positioning groove 35.
The distance between the end of the first guide surface 36 close to the first track groove 31 and the center of the spool is greater than the distance between the end of the positioning groove 35 close to the first track groove 31 and the center of the spool.
The distance between the end of the first guide surface 36 close to the second track groove 32 and the center of the spool is greater than the distance between the end of the positioning groove 35 close to the second track groove 32 and the center of the spool.
The minimum distance between the end of the first guide surface 36 close to the second track groove 32 and the end of the positioning groove 35 close to the second track groove 32 is larger than the diameter of the positioning post.
On the inner wall of the second track partition 39, a third track surface 391 and a third guide surface 392 are arranged in a counterclockwise direction, which are connected in sequence, wherein the end of the third track surface 391 close to the first notch is connected to the lower end of the positioning slot 35, the end of the third guide surface 392 close to the second notch is connected to the outer wall of the second track partition 39, so that the end of the second track partition 39 close to the second notch forms a tip structure, the end of the third guide surface 392 close to the second notch extends into the first track groove 31, the tip of the second track partition 39 is located outside the tip of the first track partition 38, and the third guide surface 392 is used for guiding the positioning device into the first track groove 31.
The distance from the tip of the first track partition 38 to the center of the wire spool is smaller than the distance from the tip of the second track partition 39 to the center of the wire spool; the distance between the tip of the first track partition 38 and the tip of the second track partition 39 is greater than the diameter of the positioning column, and the distance is along the radius line of the wire spool
The distance from the highest point of the second guide surface 37 to the center of the wire spool is the same as the distance from the tip of the second rail partition 39 to the center of the wire spool.
Referring to fig. 4, the housing includes an upper cover 1 and a lower cover 2 fastened to the upper cover 1, a guide groove 11 is disposed in the center of the inner wall of the upper cover 1, and the axial direction of the guide groove 11 is the same as the pull-out direction of the data line.
Referring to fig. 5, the positioning device includes a strip-shaped positioning ring 2 and a positioning column 21 disposed at the center of the bottom of the positioning ring 2, the positioning ring is fitted in the guide groove 11 of the upper cover, and the positioning column 21 extends into the positioning track; when the wire spool rotates, the positioning ring 2 reciprocates along the axial direction of the guide groove 11.
Referring to fig. 8, a first connecting column is arranged at the center of the lower cover 8, the center end of the spring 4 is fixedly connected with the connecting column, a second connecting column is arranged at the center of the wire reel 6, the end of the outermost ring of the spring 4 is fixedly connected with the second connecting column, when a data line is output, the spring 4 stores energy, and when the data line is retracted and wound on the wire reel 6, the spring releases energy.
Referring to fig. 6 and 7, an annular groove is formed in the center of the wire spool 6, a through hole is formed in the center of the annular groove, the wire spool 6 is sleeved on the first connecting column of the lower cover 2 through the through hole, the second connecting column is arranged on the side wall of the annular groove, an embedding step is arranged on the upper portion of the side wall of the annular groove, the positioning track disc 3 is embedded in the embedding step, the positioning guide rail is arranged on the positioning track disc 3, a rotation stopping structure is arranged on the side wall of the positioning track disc 3, and the positioning track disc 3 is assembled in the embedding step through the rotation stopping structure, so that the positioning track disc 3 and the wire disc synchronously rotate.
Referring to fig. 9, the bottom of wire reel is provided with a plurality of wire terminals 10, a plurality of wire terminals 10 are located the bottom of annular groove bottom plate, data wire 5 is around on the wire reel, data wire 5's output is connected with a plurality of data connector, data connector is located the outside of casing, data connector is used for connecting electronic equipment, for example, data wire 5's end connection has three data connector, apple cell-phone's joint, the joint of general ann tall and erect cell-phone, fill the joint etc. soon, so can the person of facilitating the use connect different electronic products, the person of facilitating the use uses. The input end of the data wire 5 is connected to the wire terminal 10 through the bottom of the wire spool 6.
Still be provided with circuit board 7 between wire reel 6 and the lower cover 8, circuit board 7 is fixed to be set up on the lower cover, is provided with a plurality of annular conducting rings on the circuit board 7, and a plurality of conducting rings are concentric to be separated the cover and are established, and the tip crimping of a plurality of wire terminals 10 is on different conducting rings, still is connected with USB wire 9 on the circuit board 7, and the input of USB wire 9 is connected with USB and connects, and USB connects the outside that is located the casing.
The conducting ring includes data ring and circuit ring, and data trade is used for transmitting data, and the circuit ring is used for charging for electronic equipment, and data ring and circuit ring all include anodal ring and negative pole ring, need realize data transmission and the function of charging simultaneously when data wire, then the bottom of wire reel is provided with four conductive terminal, and every conductive terminal crimping is respectively on the conducting ring that corresponds.
The following is a detailed description of the working principle of the data line telescopic device provided by the present invention.
Referring to fig. 12-15, it should be noted that, during the rotation of the wire spool, the positioning post moves linearly and reciprocally along the guiding slot 11, and in order to facilitate understanding of the track that the positioning post passes on the positioning track disc when the wire spool rotates, the dotted line in the figure is the moving track of the positioning post when the wire spool is not moving.
Referring to fig. 12, when data line extension is required, the data conductor is extended outward by pulling it to make connection to the electronic device.
In the process of extending the data conductor, the wire spool rotates clockwise, the clockwork spring 4 stores energy, the positioning column 21 is located in the first track groove 31, the wire spool rotates, the inner side wall of the first track groove 31 pushes the positioning column 21 to move, and therefore linear movement is carried out at the positioning position under the guiding action of the guide groove 11.
Referring to fig. 13, after the data guide 5 is extended by a certain length, the data wire 5 needs to be positioned for the use of the data guide.
The pulling force applied on the data guide 5 is taken off, at the moment, the clockwork spring 4 releases the energy accumulated when the data wire extends out, the clockwork spring 4 rotates anticlockwise and drives the wire spool to synchronously rotate anticlockwise, at the moment, because the diameter of the motion track circle formed at the lower end of the positioning groove is smaller than the diameter of the maximum motion track circle formed on the inner wall of the first track groove, therefore, when the positioning slot 25 rotates counterclockwise, the lower side wall of the positioning slot 25 can pass through the inner wall of the positioning post 21, and the positioning column 21 is guided into the bottom of the positioning slot 25 along the lower side wall of the positioning slot 25, the positioning column 35 positions the winding disc 6 through the positioning track disc 3, and stops the rotation thereof, and the locking of the length of the data wire is completed, during positioning, the data winding produces a certain amount of retraction due to the counterclockwise rotation of the spool by an angular amount, the length of retraction depending on the angle of rotation of the spool.
Referring to fig. 14, after the charging or data transmission of the electronic device is completed, the data wire is separated from the electronic device, and the data wire is retracted to the wire spool, which includes two processes, first, the wire spool rotates clockwise around the directional plate, so that the positioning column 21 is separated from the positioning slot, then, the wire spool rotates counterclockwise, so that the positioning column enters the first track groove, and the specific process is as follows:
first, a pulling force is applied to the data wire to rotate the wire spool 6 clockwise, at this time, the positioning column 21 is stationary, the wire spool 6 continues to rotate, the first guiding surface 36 contacts with the positioning column 21, the first guiding surface 36 rotates clockwise, and the positioning column 21 is pushed into the second guiding groove.
Then, the pulling force applied to the data wire is cancelled, the spring 4 releases energy, the wire spool 6 rotates anticlockwise, the outer wall of the first rail groove pushes the positioning column to do linear reciprocating motion until the spring 4 releases energy completely, and the data wire is wound on the wire spool again.
Referring to fig. 15, when the data guide is retracted and needs to extend again, a pulling force is applied to the data guide again, at this time, the positioning column is located in the first track groove, the wire spool rotates clockwise, the spring 4 stores energy, the first track groove drives the positioning column to linearly reciprocate, the outer wall of the first track groove drives the fixed position to linearly move, when the second guide surface 37 touches the positioning column 21, the positioning column moves towards the second track groove 32, and since the circular track formed by the tip of the second track partition 39 is the same as the circular track formed by the highest point of the second guide surface 37, when the second track partition 39 rotates clockwise, the third guide surface 392 can pass through the outside of the positioning column, guide the positioning column into the second track groove, continue to pull the data guide, and the positioning column moves continuously on the second track.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (10)
1. A machine core for a data line winding device is characterized by comprising a wire spool (6), a guide device and a positioning device;
the wire spool (6) is rotatably arranged in the shell, and a wire groove for winding a data wire is formed in the wire spool (6); the guiding device is fixedly connected to the inner wall of the shell and positioned at the top of the wire spool (6), a positioning guide rail is arranged on the end face of the wire spool (6), one end of the positioning device is positioned in the positioning guide rail, the other end of the positioning device is positioned in the guiding device, and when the wire spool (6) rotates, the positioning guide rail can drive the positioning device to do linear reciprocating motion along the guiding device;
the positioning rail comprises a first rail groove (31) and a second rail groove (32);
the second track groove (32) is of an elliptical ring structure and is eccentrically arranged with the center of the wire spool, the first track groove (31) surrounds the outer side of the second track groove (32), a track partition plate formed between the first track groove (31) and the second track groove (32) is respectively provided with a first notch (33) and a second notch (34), and the first notch (33) and the second notch (34) respectively communicate the first track groove (31) with the second track groove (32) and divide the track partition plate into a first track partition plate (38) and a second track partition plate (39);
a positioning groove (35) is formed in the end portion of the second track partition plate (39), a first guide surface (36) is formed in the end portion of the first track partition plate (38), the positioning groove (35) and the first guide surface (36) are located on two sides of the first notch, and the opening side of the positioning groove (35) is opposite to the first guide surface (36);
when the data line is pulled, the positioning device is positioned in the second track groove;
when the data line is retracted, the positioning device is positioned in the first track groove;
when the extending state of the data line is positioned, the positioning device is positioned in the first track groove;
when the positioning state of the data line is released, the positioning device can enter the first track groove through the first guide surface (36).
2. A movement for a data line winder according to claim 1, characterised in that the first guide surface (36) is provided at the end of the first track spacer (38) inclined in a counter-clockwise direction.
3. A movement for a data line take-up device according to claim 2, wherein:
the distance between the end part of the first guide surface (36) close to the first track groove (31) and the center of the wire spool is greater than the distance between the end part of the positioning groove (35) close to the first track groove (31) and the center of the wire spool;
the distance between the end part of the first guide surface (36) close to the second track groove (32) and the center of the wire spool is larger than the distance between the end part of the positioning groove (35) close to the second track groove (32) and the center of the wire spool.
4. A movement for a data line rolling device according to claim 1, wherein the other ends of the first track partition (38) and the second track partition (39) are both in a tip structure and are located at two sides of the second gap (34);
the distance between the tip of the first track partition (38) and the center of the wire spool is smaller than the distance between the tip of the second track partition (39) and the center of the wire spool.
5. A movement for a data line rolling device according to claim 4, wherein a second guide surface (37) is provided on an outer wall of the first track groove (31), the second guide surface (37) is of an arc structure and protrudes toward the center of the first track groove (31), the second guide surface (37) is located outside the second notch, and the second guide surface (37) is used for guiding the positioning column from the first track groove (31) to the second track groove (32).
6. A movement for a data line winder according to claim 5, characterised in that the minimum distance of the second guide surface (37) from the centre of the spool is less than or equal to the distance of the tip of the second track spacer (39) from the centre of the spool.
7. A movement for a data line winder according to claim 1, wherein the positioning guide is provided on a positioning track disc (3), and the positioning track disc (3) is embedded on the end face of the wire spool.
8. The movement for the data line winding device according to claim 1, wherein a groove is formed in the center of the wire spool, a spiral spring (4) is arranged in the groove, the center end of the spiral spring (4) is fixedly connected with the shell, and the other end of the spiral spring (4) is fixedly connected with the side wall of the groove.
9. A movement for a data line take-up device according to claim 1, wherein the guide means is a guide groove (11) provided on the housing, or a rectangular key provided with a guide groove (11), the rectangular key is fitted on an inner wall of the housing, and an axial direction of the guide groove (11) is coaxial with a projecting direction of the data line.
10. A movement for a data line winder according to claim 9, wherein the positioning means is a positioning ring (2) comprising a strip shape, and a positioning post (21) arranged at the center of the bottom of the positioning ring (2), the positioning ring is fitted in the guide groove (11) of the upper cover, and the positioning post (21) extends into the positioning track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098084.8U CN211545573U (en) | 2019-11-27 | 2019-11-27 | A core for data line coiling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098084.8U CN211545573U (en) | 2019-11-27 | 2019-11-27 | A core for data line coiling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211545573U true CN211545573U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922098084.8U Expired - Fee Related CN211545573U (en) | 2019-11-27 | 2019-11-27 | A core for data line coiling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211545573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595866A (en) * | 2021-01-29 | 2021-04-02 | 国网河南省电力公司经济技术研究院 | Electric energy quality analyzer auxiliary measuring device |
-
2019
- 2019-11-27 CN CN201922098084.8U patent/CN211545573U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595866A (en) * | 2021-01-29 | 2021-04-02 | 国网河南省电力公司经济技术研究院 | Electric energy quality analyzer auxiliary measuring device |
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