CN112918866B - Mutual inductor placing box - Google Patents

Mutual inductor placing box Download PDF

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Publication number
CN112918866B
CN112918866B CN202110221145.4A CN202110221145A CN112918866B CN 112918866 B CN112918866 B CN 112918866B CN 202110221145 A CN202110221145 A CN 202110221145A CN 112918866 B CN112918866 B CN 112918866B
Authority
CN
China
Prior art keywords
opening
mutual inductor
closing
bottom plate
mutual
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.)
Active
Application number
CN202110221145.4A
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Chinese (zh)
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CN112918866A (en
Inventor
蒋敬鹤
方绍怀
董伟锋
袁博政
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202110221145.4A priority Critical patent/CN112918866B/en
Publication of CN112918866A publication Critical patent/CN112918866A/en
Application granted granted Critical
Publication of CN112918866B publication Critical patent/CN112918866B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/005Side walls formed with an aperture or a movable portion arranged to allow removal or insertion of contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/04Partitions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38Devices for discharging contents
    • B65D25/52Devices for discharging successive articles or portions of contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention discloses a mutual inductor placing box, which belongs to the technical field of electric power and comprises a box body, an opening and closing device and a pressure measuring device, wherein the box body is divided into two layers and comprises an upper accommodating space and a lower passage, the accommodating space can accommodate a mutual inductor, and one end of the passage, which is far away from the accommodating space, is provided with an opening communicated with the outside; the opening and closing device is arranged between the accommodating space and the channel, and can open the channel and bear the mutual inductor so that the mutual inductor falls to the opening at a set speed along the channel; the pressure measuring device is connected with the opening and closing device, can measure the pressure applied to the opening and closing device, and can give an alarm when the pressure exceeds the set pressure. The mutual inductor placing box provided by the invention can realize the placing and the transportation of the mutual inductor, and the mutual inductor is easy to take out from the mutual inductor placing box.

Description

Mutual inductor placing box
Technical Field
The invention relates to the technical field of electric power, in particular to a mutual inductor placing box.
Background
The electric energy metering is a terminal link of an electric power network, and plays an important role in improving the customer service quality, ensuring accurate reading and checking, reducing customer complaints and the like of an electric power enterprise.
The whole set of electric energy metering device comprises electric energy meters, a high-voltage transformer, a junction box, a secondary circuit and other equipment, wherein the high-voltage transformer occupies an extremely important position in electric energy metering. The box for placing the high-voltage transformer in the transportation process of the high-voltage transformer has the defects that the high-voltage transformer can only be taken out from the box from the upper part, but the high-voltage transformer is generally heavy and is not easy to take out.
Disclosure of Invention
The invention aims to provide a mutual inductor placing box, which solves the technical problem that a high-voltage mutual inductor in the prior art is not easy to take out of the placing box.
As the conception, the technical scheme adopted by the invention is as follows:
a transformer placement box comprising:
the box body is divided into two layers and comprises an upper accommodating space and a lower passage, the accommodating space can accommodate the mutual inductor, and one end of the passage, which is far away from the accommodating space, is provided with an opening communicated with the outside;
the opening and closing device is arranged between the accommodating space and the channel, and can open the channel and bear the mutual inductor so that the mutual inductor falls to the opening at a set speed along the channel;
and the pressure measuring device is connected with the opening and closing device, can measure the pressure applied to the opening and closing device, and can give an alarm when the pressure exceeds the set pressure.
Furthermore, a partition board is arranged in the accommodating space, the partition boards are arranged at intervals, an independent space is formed between every two adjacent partition boards, and one opening and closing device is arranged corresponding to each independent space.
Furthermore, the portable multifunctional box comprises a switch button, wherein the switch button is positioned on one side of the box body and can control the plurality of opening and closing devices to be opened and closed synchronously.
Furthermore, the opening and closing device comprises a supporting buckle and an opening and closing bottom plate, one end of the opening and closing bottom plate is rotatably connected with the box body, the opening and closing bottom plate is provided with a closing position and an opening position, and the supporting buckle can lock the opening and closing bottom plate at the closing position.
Furthermore, the opening and closing bottom plates are provided with two, the supporting buckles are arranged at the joint of the two opening and closing bottom plates, and the two opening and closing bottom plates can be locked simultaneously.
Furthermore, the opening and closing bottom plate is provided with one, and the support buckle is arranged at the joint of the opening and closing bottom plate and the box body and can lock the opening and closing bottom plate and the box body.
Further, the support buckle comprises a clamping groove and a sliding clamp, and the sliding clamp can slide along a straight line to be locked with the clamping groove.
Further, the support buckle comprises a rotary clamp and an open slot, and the rotary clamp can rotate around the axis of the rotary clamp to be locked with the open slot.
Furthermore, the opening and closing bottom plate is connected with the box body through a rotating shaft.
Furthermore, a gasket is arranged on one surface of the opening and closing bottom plate, which is in contact with the mutual inductor.
The invention has the beneficial effects that:
the mutual inductor placing box provided by the invention has the advantages that the box body is divided into two layers, the accommodating space at the upper part is used for accommodating the mutual inductor, the opening and closing device is opened, the mutual inductor falls to the opening of the channel communicated with the outside along the channel at a set speed, the mutual inductor placing box is withdrawn from the upper part, and the mutual inductor is taken out; the pressure measuring device can measure the pressure that the device that opens and shuts received, sends out the police dispatch newspaper when pressure exceedes set pressure, sends out the police dispatch newspaper and shows the unable weight that supports this mutual-inductor of this intensity that opens and shuts the device promptly, probably takes place to damage in the transportation, need change the device that opens and shuts promptly or the case is placed to the mutual-inductor, when the pressure measuring device does not send out the police dispatch newspaper, the mutual-inductor is placed the case and can be realized placing and transporting of mutual-inductor to place and take out the mutual-inductor after the transportation easily. The mutual inductor placing box provided by the invention can realize the placing and the transportation of the mutual inductor, and the mutual inductor is easy to take out from the mutual inductor placing box.
Drawings
Fig. 1 is a first schematic structural diagram of a transformer placing box according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of a transformer placing box according to a first embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a schematic structural diagram of a transformer placing box according to a second embodiment of the present invention;
fig. 5 is an enlarged view at B in fig. 4.
In the figure:
10. a transformer;
1. a box body; 11. a partition plate;
2. an opening and closing device; 21. a support buckle; 211. a card slot; 212. a slide clamp; 213. rotating the clip; 214. an open slot; 22. opening and closing the bottom plate;
3. a switch button;
4. and rotating the shaft.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
Referring to fig. 1 to 3, an embodiment of the present invention provides a transformer placing box for placing and transporting transformers.
The mutual inductor placing box comprises a box body 1, an opening and closing device 2 and a pressure measuring device, wherein the box body 1 is divided into two layers and comprises an upper accommodating space and a lower channel, one end of the channel, which is far away from the accommodating space, is provided with an opening communicated with the outside, the accommodating space is used for accommodating the mutual inductor 10, and the channel is used for being communicated with the outside, so that the mutual inductor 10 reaches the opening through the channel; the switching device 2 is used for opening a channel and carrying the mutual inductor 10 so that the mutual inductor 10 falls to the opening at a set speed along the channel and reaches the outside; the pressure measuring device is used for measuring the pressure to which the opening and closing device 2 is subjected, and can give an alarm when the pressure exceeds a set pressure.
Referring to fig. 1 and 2, a partition plate 11 is arranged in the accommodating space, a plurality of partition plates 11 are arranged at intervals, an independent space is formed between every two adjacent partition plates 11, an opening and closing device 2 is arranged corresponding to each independent space, and the partition plates 11 are added so that a plurality of mutual inductors 10 cannot collide in the transportation process, and therefore damage to the mutual inductors 10 cannot be caused.
The mutual inductor placing box further comprises a switch button 3, the opening and closing devices 2 are provided with a plurality of switch buttons, the switch buttons 3 are located on one side of the box body 1, the plurality of opening and closing devices 2 can be controlled to be opened and closed synchronously, even if the plurality of mutual inductors 10 fall to the opening synchronously, the mutual inductor placing box is convenient to take away in the follow-up process.
Optionally, the mutual inductor placing box further comprises a remote controller, the remote controller can control the plurality of opening and closing devices 2 to be opened and closed synchronously through an infrared sensing technology, and the remote controller is simple in operation and convenient to remotely control.
Referring to fig. 2 and 3, the device 2 that opens and shuts includes support buckle 21 and the bottom plate 22 that opens and shuts, bottom plate 22 one end that opens and shuts rotates with box 1 to be connected, bottom plate 22 that opens and shuts has closed position and open position, support buckle 21 can lock bottom plate 22 that opens and shuts in closed position, when bottom plate 22 that opens and shuts is in closed position, support buckle 21 and box 1 support bottom plate 22 that opens and shuts, realize bottom plate 22 that opens and shuts to the support of mutual-inductor 10, bottom plate 22 that opens and shuts is in open position, mutual-inductor 10 can slide to external opening part, take away the mutual-inductor and place the case, realize taking out of mutual-inductor 10, and the steam generator is simple in structure and easy to operate.
The bottom plate 22 that opens and shuts is provided with two, supports buckle 21 and sets up in two handing-over departments that open and shut bottom plate 22, can lock two bottom plates 22 that open and shut simultaneously, simple structure, and box 1 is great with the junction atress that opens and shuts bottom plate 22, and two bottom plates 22 that open and shut can disperse the atress of junction for box 1 is difficult for taking place to damage with the junction that opens and shuts bottom plate 22, has increased life.
Support buckle 21 including draw-in groove 211 and slip checkpost 212, draw-in groove 211 sets up on one bottom plate 22 that opens and shuts, slip checkpost 212 sets up on another bottom plate 22 that opens and shuts, slip checkpost 212 can follow the straight line and slide in order to lock with draw-in groove 211, simple structure, and the processing of being convenient for to when placing heavier mutual-inductor 10 as required, can select draw-in groove 211 and slip checkpost 212 that the model is big and intensity is high, strong adaptability, the change of being convenient for.
The opening and closing bottom plate 22 is connected with the box body 1 through the rotating shaft 4, the falling speed of the mutual inductor 10 is controlled by controlling the rotating speed of the rotating shaft 4, and the mutual inductor 10 can rotate at a low speed so that the collision force is small when the mutual inductor 10 falls to the outside.
Optionally, the transformer placing box further comprises a spring, two ends of the spring are respectively connected with the end face of the opening and closing bottom plate 22 and the end face of the box body 1, and the opening and closing bottom plate 22 reduces the falling speed of the transformer 10 through a compression spring when being opened, so that the collision force is smaller when the transformer 10 falls to the outside.
The one side that bottom plate 22 and mutual-inductor 10 contact open and shut is equipped with the gasket, the gasket has increased mutual-inductor 10 and the area of contact of bottom plate 22 that opens and shuts, the pressure of mutual-inductor 10 to bottom plate 22 that opens and shuts has been reduced, in the in-process of mutual-inductor 10 transportation, bottom plate 22 that opens and shuts is in the closed position, the gasket has increased mutual-inductor 10 and the friction that opens and shuts between the bottom plate 22, can prevent because of mutual-inductor 10 rocks the collision that leads to between mutual-inductor 10 and the box 1 emergence in the accommodation space, bottom plate 22 that opens and shuts is in the open position, when mutual-inductor 10 whereabouts, the gasket can prevent wearing and tearing from taking place between mutual-inductor 10 and the bottom plate 22 that opens and shuts, thereby mutual-inductor 10 and bottom plate 22 that opens and shuts have been protected.
The pressure measurement device is pressure sensor, pressure sensor reliable operation, stable performance, it is simple to maintain, and small and light in weight, can not influence the normal use of the device 2 that opens and shuts, the installation and debugging are very convenient, and easy operation, and application range is big, be convenient for test different mutual-inductors 10 to the pressure of the device 2 that opens and shuts, strong adaptability, the high accuracy, high stability, the accurate test mutual-inductor 10 of being convenient for is to the pressure of the bottom plate 22 that opens and shuts, thereby guarantee that the device 2 that opens and shuts can bear the pressure of mutual-inductor 10 to it, the price is low, convenient for draw materials.
The mutual inductor placing box further comprises a controller, and the opening and closing device 2 and the pressure measuring device are electrically connected with the controller. The working principle of the controller is the prior art and is not described in detail herein.
When using, put into the mutual-inductor with mutual-inductor 10 and place the case, pressure sensor detects the pressure that opens and shuts that device 2 receives, transmits this pressure to the controller, and the controller judges whether this pressure exceeds the settlement pressure, and pressure measurement device sends out the police dispatch newspaper when exceeding the settlement pressure, then indicates that this mutual-inductor 10 can not use this mutual-inductor to place the case, if do not send out the police dispatch newspaper then indicate the mutual-inductor to place the case and can bear and transport this mutual-inductor 10.
When needing to take out mutual-inductor 10, press shift knob 3 or remote controller will open the instruction and transmit to the controller, and controller control device 2 that opens and shuts is opened, and slip checkpost 212 breaks away from draw-in groove 211 along the sharp slip, and the speed of controller control pivot 4 simultaneously, axis of rotation 4 drive bottom plate 22 rotation that opens and shuts for mutual-inductor 10 falls to the opening part along the passageway with setting for speed, places the case with the mutual-inductor and takes away from the top, realizes taking out of mutual-inductor 10.
Example two
Fig. 4 and 5 show a second embodiment, wherein the same or corresponding parts as the first embodiment are provided with the same reference numerals as the first embodiment. For the sake of simplicity, only the difference between the second embodiment and the first embodiment is described, and the difference is that one opening and closing bottom plate 22 is provided, the supporting buckle 21 is provided at the joint of the opening and closing bottom plate 22 and the box body 1, the opening and closing bottom plate 22 and the box body 1 can be locked, the opening and closing bottom plate 22 is provided with one part for processing, and the installation time is shortened.
Optionally, the support buckle 21 includes a rotary clip 213 and an open slot 214, the rotary clip 213 is disposed on the box body 1, the open slot 214 is disposed on the opening/closing bottom plate 22, and the rotary clip 213 can rotate around its axis to be locked with the open slot 214, so that the structure is simple, and the processing, installation and replacement are convenient.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a mutual-inductor places case which characterized in that includes:
the transformer box comprises a box body (1) and a transformer box body, wherein the box body is divided into two layers and comprises an upper accommodating space and a lower passage, the accommodating space can accommodate a transformer (10), and one end of the passage, which is far away from the accommodating space, is provided with an opening communicated with the outside;
the opening and closing device (2) is arranged between the accommodating space and the channel, can open the channel and bear the mutual inductor (10) so that the mutual inductor (10) can fall to the opening at a set speed along the channel, and the mutual inductor placing box can be taken away from the upper part after the mutual inductor (10) falls to the opening;
and the pressure measuring device is connected with the opening and closing device (2), can measure the pressure applied to the opening and closing device (2), and can give an alarm when the pressure exceeds the set pressure.
2. The mutual inductor placing box according to claim 1, wherein a partition plate (11) is arranged in the accommodating space, a plurality of partition plates (11) are arranged at intervals, an independent space is formed between every two adjacent partition plates, and one opening and closing device (2) is arranged corresponding to each independent space.
3. The mutual inductor placement box according to claim 2, characterized by further comprising a switch button (3), wherein the switch button (3) is positioned on one side of the box body (1) and can control the opening and closing devices (2) to be opened and closed synchronously.
4. The mutual inductor placing box according to claim 1, wherein the opening and closing device (2) comprises a supporting buckle (21) and an opening and closing bottom plate (22), one end of the opening and closing bottom plate (22) is rotatably connected with the box body (1), the opening and closing bottom plate (22) is provided with a closing position and an opening position, and the supporting buckle (21) can lock the opening and closing bottom plate (22) at the closing position.
5. The mutual inductor placing box according to claim 4, wherein the number of the opening and closing bottom plates (22) is two, and the supporting buckles (21) are arranged at the joint of the two opening and closing bottom plates (22) and can lock the two opening and closing bottom plates (22) at the same time.
6. The mutual inductor placement box according to claim 4, characterized in that one opening and closing bottom plate (22) is provided, and the support buckle (21) is arranged at the joint of the opening and closing bottom plate (22) and the box body (1) and can lock the opening and closing bottom plate (22) and the box body (1).
7. The mutual inductor placement box according to claim 5 or 6, characterized in that the support catch (21) comprises a catch (211) and a slide catch (212), the slide catch (212) being linearly slidable for locking with the catch (211).
8. Mutual inductor placement box according to claim 5 or 6, characterized in that said support catch (21) comprises a rotation catch (213) and a slot (214), said rotation catch (213) being rotatable about its axis to lock with said slot (214).
9. Mutual inductor placement box according to claim 4, characterized in that the opening and closing bottom plate (22) and the box body (1) are connected by a rotating shaft (4).
10. The transformer placing box according to claim 4, characterized in that a gasket is arranged on the surface of the opening and closing bottom plate (22) contacting with the transformer (10).
CN202110221145.4A 2021-02-26 2021-02-26 Mutual inductor placing box Active CN112918866B (en)

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Application Number Priority Date Filing Date Title
CN202110221145.4A CN112918866B (en) 2021-02-26 2021-02-26 Mutual inductor placing box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110221145.4A CN112918866B (en) 2021-02-26 2021-02-26 Mutual inductor placing box

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Publication Number Publication Date
CN112918866A CN112918866A (en) 2021-06-08
CN112918866B true CN112918866B (en) 2023-01-10

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