CN219553719U - Energy storage container - Google Patents
Energy storage container Download PDFInfo
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- CN219553719U CN219553719U CN202320882950.6U CN202320882950U CN219553719U CN 219553719 U CN219553719 U CN 219553719U CN 202320882950 U CN202320882950 U CN 202320882950U CN 219553719 U CN219553719 U CN 219553719U
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- grounding
- energy storage
- storage container
- electrically connected
- leakage current
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Abstract
The utility model discloses an energy storage container, wherein the energy storage container comprises: a case; the first grounding assembly is electrically connected with the box body; the first end of the second grounding component is electrically connected with the first grounding component, and the second end of the second grounding component is electrically connected with the grounding grid; the leakage current sensor is arranged around the second grounding component. Through the mode, the electric leakage detection of the grounding loop of the container can be realized, and the safety of the container is improved.
Description
Technical Field
The utility model relates to the technical field of energy storage, in particular to an energy storage container.
Background
The lithium iron phosphate battery energy storage container adopts ordinary copper bar ground connection at present, can't guarantee whether container ground connection copper bar and earth net copper bar are effective to be connected, can't prove whether connect area of contact and accord with technical requirement, can't measure container ground connection state, can not provide effectual ground connection protection, has the potential safety hazard, and dismouting is inconvenient, fortune dimension is inconvenient simultaneously.
Disclosure of Invention
In order to solve the problems, the utility model provides an energy storage container which can solve the problems of the prior art that the energy storage container fails in grounding and has potential safety hazards.
The utility model adopts a technical scheme that: there is provided an energy storage container comprising: a case; the first grounding assembly is electrically connected with the box body; the first end of the second grounding component is electrically connected with the first grounding component, and the second end of the second grounding component is electrically connected with the grounding grid; the leakage current sensor is arranged around the second grounding component.
In one embodiment, the second grounding element is a grounding copper bar.
In one embodiment, the grounding copper rod further comprises a sleeved insulating sleeve.
In one embodiment, the energy storage container further comprises a connector, a first end of the connector is electrically connected to a second end of the grounded copper rod, and a second end of the connector is electrically connected to the ground grid.
In one embodiment, the connecting piece is a flexible conductive piece, and the grounding copper rod is in flexible connection with the grounding grid through the connecting piece.
In one embodiment, the connector comprises: the first end of the first tin-plated copper bar is electrically connected with the grounding copper bar; a copper braid, a first end of the copper braid being electrically connected to a second end of the first tin-plated copper bar; the first end of the second tinned copper bar is electrically connected with the second end of the copper braid belt, and the second end of the second tinned copper bar is electrically connected with the grounding grid.
In one embodiment, the energy storage container further comprises a fixing bracket, wherein the fixing bracket is connected with the box body and the leakage current sensor, and the leakage current sensor is fixed on the box body.
In one embodiment, the energy storage container further comprises a support member connecting the container body and the second grounding assembly for supporting the second grounding assembly.
In one embodiment, the first grounding assembly is a grounded stainless steel plate.
In one embodiment, the energy storage container further comprises a combiner, and the leakage current sensor is in communication with the combiner.
The utility model provides an energy storage container comprising: a case; the first grounding assembly is electrically connected with the box body; the first end of the second grounding component is electrically connected with the first grounding component, and the second end of the second grounding component is electrically connected with the grounding grid; the leakage current sensor is arranged around the second grounding component. Through the mode, the leakage current sensor can detect the leakage current condition of the second grounding assembly, the grounding state of the energy storage container can be ensured to meet the technical requirement, and the safety of the energy storage container is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a first embodiment of an energy storage container provided by the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of an energy storage container provided by the present utility model;
FIG. 3 is a schematic view of an embodiment of the connector 50 of FIG. 2;
fig. 4 is a schematic structural view of a third embodiment of an energy storage container provided by the present utility model;
fig. 5 is a top cross-sectional view of the mounting bracket 60, leakage current sensor 40, and second grounding assembly 30 of fig. 4;
fig. 6 is a schematic structural view of a fourth embodiment of an energy storage container provided by the present utility model;
fig. 7 is a schematic structural view of a fifth embodiment of an energy storage container provided by the present utility model.
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 fall within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
"A and/or B" includes the following three combinations: only a, only B, and combinations of a and B.
The use of "adapted" or "configured" in this disclosure is meant to be an open and inclusive language that does not exclude devices adapted or configured to perform additional tasks or steps. In addition, the use of "based on" is intended to be open and inclusive in that a process, step, calculation, or other action "based on" one or more of the stated conditions or values may be based on additional conditions or beyond the stated values in practice.
In the present utility model, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a first embodiment of an energy storage container according to the present utility model, and the energy storage container 100 includes a container body 10, a first grounding assembly 20, a second grounding assembly 30, and a leakage current sensor 40.
Specifically, the first grounding assembly 20 is electrically connected to the housing 10 (partially shown in fig. 1); the first end of the second grounding assembly 30 is electrically connected with the first grounding assembly 20, and the second end of the second grounding assembly 30 is electrically connected with the grounding grid 200; the leakage current sensor 40 is disposed around the second grounding member 30.
Optionally, in an embodiment, the first grounding component 20 is a grounding stainless steel plate, the second grounding component 30 is a grounding copper bar, and the grounding grid 200 is a grounding grid copper bar. In addition, the grounding copper bar further comprises an insulating sleeve sleeved on the grounding copper bar.
Alternatively, the first grounding assembly 20 and the case 10 may be connected by welding, and the first grounding assembly 20 and the second grounding assembly 30, and the second grounding assembly 30 and the ground grid 200 may be detachably connected by a manner similar to a screw, a buckle, a latch, or the like. It will be appreciated that a discharge circuit (ground circuit) is formed between the case 10, the first ground assembly 20, the second ground assembly 30, and the ground grid 200.
The leakage current sensor 30 is a device for converting the measured ac micro-current and dc isolation into a standard analog signal such as a linear proportion dc current and dc voltage or an RS485 digital signal according to the working principles of electromagnetic isolation and magnetic modulation of the transformer. The method is widely applied to real-time monitoring of the insulation condition of buses and various branches of direct current and alternating current power supply systems. The leakage current sensors are circumferentially arranged on positive and negative outgoing lines of the direct current loop, signals output by the sensors of all the branches are detected in real time when the device operates, and when the insulation condition of the branches is normal, the currents flowing through the sensors are equal in magnitude and opposite in direction, and the output signals are zero; when the branch circuit is grounded, the leakage current sensor has a differential current flowing through, and the output of the sensor is not zero. Therefore, by detecting the output signals of the branch sensors, the grounding branch of the direct current system can be judged.
Specifically, when the insulation condition of the second grounding assembly 30 (insulation between the second grounding assembly 30 and the leakage current sensor 40) is abnormal, the leakage current sensor 20 has a differential flow, and the output of the leakage current sensor 20 is not zero, so that the grounding state is judged by the output signal of the leakage current sensor 20, the leakage current sensor 20 can output an analog signal or an RS485 number signal, and the signal is transmitted to the BMS and the EMS, so that real-time local and remote monitoring is realized.
The energy storage container that this embodiment provided includes: a case; the first grounding assembly is electrically connected with the box body; the first end of the second grounding component is electrically connected with the first grounding component, and the second end of the second grounding component is electrically connected with the grounding grid; the leakage current sensor is arranged around the second grounding component. Through the mode, the leakage current sensor can detect the leakage current condition of the second grounding assembly, the grounding state of the energy storage container can be ensured to meet the technical requirement, and the safety of the energy storage container is improved.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a second embodiment of an energy storage container according to the present utility model, and the energy storage container 100 includes a container body 10 (partially shown in fig. 2), a first grounding assembly 20, a second grounding assembly 30, a leakage current sensor 40, and a connecting member 50.
Specifically, the first grounding assembly 20 is electrically connected to the case 10; the first end of the second grounding assembly 30 is electrically connected with the first grounding assembly 20, and the second end of the second grounding assembly 30 is electrically connected with the grounding grid 200; the leakage current sensor 40 is disposed around the second grounding assembly 30; the first end of the connection member 50 is electrically connected to the second end of the second grounding assembly 30, and the second end of the connection member 50 is electrically connected to the grounding grid 200.
Optionally, in an embodiment, the first grounding component 20 is a grounding stainless steel plate, the second grounding component 30 is a grounding copper bar, and the grounding grid 200 is a grounding grid copper bar. In addition, the grounding copper bar further comprises an insulating sleeve sleeved on the grounding copper bar.
Alternatively, the connection member 50 is a flexible conductive member, and the second grounding assembly 30 and the grounding grid 200 are flexibly connected by the connection member 50.
It will be appreciated that the flexible conductive element is capable of functioning as a conductor on the one hand and of deforming under external forces without rigid rupture on the other hand. I.e., the flexible conductive member deforms under an external force but still maintains the electrical connection between the first grounding assembly 20 and the leakage current sensor 40.
Optionally, referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of the connector 50 in fig. 2, wherein the connector 50 includes a first tin-plated copper bar 51, a copper braid 52, and a second tin-plated copper bar 53.
Wherein a first end of the first tin-plated copper bar 51 is electrically connected to a second end of the second grounding assembly 30; a first end of the copper braid 52 is electrically connected to a second end of the first tin-plated copper bar 51; the first end of the second tin-plated copper bar 53 is electrically connected to the second end of the copper braid 52, and the second end of the second tin-plated copper bar 53 is electrically connected to the ground grid 200.
The copper bar tinning refers to local or whole tinning of the copper bar, is generally manufactured by adopting a bright tin brush plating process, and has the advantages of high current durability, good compactness of an electroplated layer, high smoothness, low raw material cost, convenience in transportation and the like.
The copper braid is braided by copper wires as conductors, copper tubes are adopted at two ends, silver plating treatment is carried out on the surfaces of the copper tubes, and the copper braid is made into soft connection through special treatment, so that the copper braid is soft in grounding, high in conductivity and strong in fatigue resistance. The soft connection of copper wires uses high and low voltage electric appliances, vacuum electric appliances, mine explosion-proof switches and automobiles, locomotives and related products for soft connection. The tin-plated copper wire is made by braiding bare copper wires or tin-plated copper wires and cold pressing, and can be plated with tin and silver according to the requirements of users.
Alternatively, the first tin-plated copper bar 51 and the copper braid 52, and the copper braid 52 and the second tin-plated copper bar 53 may be connected by soldering.
Optionally, a through hole is provided on the first tin-plated copper bar 51, and a through hole is also provided on the second grounding component 30, so that the first tin-plated copper bar 51 and the second grounding component 30 can be fixed in a screw connection manner, and electrical connection between the first tin-plated copper bar 51 and the second grounding component 30 is realized.
Similarly, optionally, a through hole is provided on the second tin-plated copper bar 53, and a through hole is also provided on the grounding grid 200, so that the second tin-plated copper bar 53 and the grounding grid 200 can be fixed in a screwed connection manner, and the electrical connection between the second tin-plated copper bar 53 and the grounding grid 200 is realized.
It can be understood that, in the present embodiment, the second grounding assembly 30 and the grounding grid 200 are fixed by means of flexible connection, so that when the case 10, the leakage current sensor 40, etc. are displaced under the action of external force after being installed, the flexible connection can prevent the second grounding assembly 30 and the grounding grid 200 from being broken under the action of external force, and still maintain the electrical connection between the second grounding assembly 30 and the grounding grid 200; on the other hand, during transportation of the energy storage container 100, damage to the product may also be caused by vibration.
Referring to fig. 4 and 5, fig. 4 is a schematic structural view of a third embodiment of an energy storage container according to the present utility model, and fig. 5 is a top cross-sectional view of a fixing bracket 60, a leakage current sensor 40 and a second grounding assembly 30 in fig. 4, wherein the energy storage container 100 includes a case 10 (partially shown in fig. 4), a first grounding assembly 20, a second grounding assembly 30, a leakage current sensor 40, a connecting member 50 and a fixing bracket 60.
Specifically, the first grounding assembly 20 is electrically connected to the case 10; the first end of the second grounding assembly 30 is electrically connected with the first grounding assembly 20, and the second end of the second grounding assembly 30 is electrically connected with the grounding grid 200; the leakage current sensor 40 is disposed around the second grounding assembly 30; the first end of the connecting piece 50 is electrically connected to the second end of the second grounding assembly 30, and the second end of the connecting piece 50 is electrically connected to the grounding grid 200; the fixing bracket 60 connects the case 10 and the leakage current sensor 40, and fixes the leakage current sensor 40 to the case 10.
Alternatively, the fixing bracket 60 may be fixed to the case 10 by welding.
Optionally, the fixing bracket 60 is provided with a through hole, the leakage current sensor 40 is provided with a base, the base is provided with a through hole, and the leakage current sensor 40 and the fixing bracket 60 can be connected in a screw fixing manner.
For example, the fixed connection of the fixed bracket 60 and the leakage current sensor 40 may be achieved using bolts, flat washers, spring washers, nuts, and the like.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a fourth embodiment of an energy storage container according to the present utility model, and the energy storage container 100 includes a container body 10, a first grounding assembly 20, a second grounding assembly 30, a leakage current sensor 40, a connecting member 50, a fixing bracket 60 and a supporting member 70.
Specifically, the first grounding assembly 20 is electrically connected to the housing 10 (partially shown in fig. 1); the first end of the second grounding assembly 30 is electrically connected with the first grounding assembly 20, and the second end of the second grounding assembly 30 is electrically connected with the grounding grid 200; the leakage current sensor 40 is disposed around the second grounding assembly 30; the first end of the connecting piece 50 is electrically connected to the second end of the second grounding assembly 30, and the second end of the connecting piece 50 is electrically connected to the grounding grid 200; the fixing bracket 60 connects the case 10 and the leakage current sensor 40, and fixes the leakage current sensor 40 to the case 10; the support 70 connects the case 10 and the second ground assembly 30, and serves to support the second ground assembly 30.
Alternatively, the support 70 may be an insulator, which is a porcelain insulator.
Alternatively, the number of the supporting members 70 may be arbitrarily set, and particularly may be increased or decreased according to the length of the second grounding assembly 30.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a fifth embodiment of an energy storage container according to the present utility model, where the energy storage container 100 includes a container body 10 and a grounding device a, and the grounding device a includes a first grounding component 20, a second grounding component 30 and a leakage current sensor 40 in the foregoing embodiments, and the structure and connection manner are described in the foregoing embodiments, which are not repeated herein.
Optionally, the energy storage container 100 may further include a junction box 80, with the leakage current sensor 40 being communicatively coupled to the junction box 80. Specifically, the leakage current sensor 40 is connected to the bus 80 through a signal line and displays a signal on a display control screen of a BAMS (general controller unit), and the BAMS transmits the signal of the leakage current sensor 40 to a monitoring background, so that remote monitoring of the bus 80 and the background is realized.
The display screen provided by the embodiment of the present utility model has been described in detail, and specific examples are applied to illustrate the principles and embodiments of the present utility model, and the description of the above embodiments is only used to help understand the method and core idea of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.
Claims (10)
1. An energy storage container, the energy storage container comprising:
a case;
the first grounding assembly is electrically connected with the box body;
the first end of the second grounding component is electrically connected with the first grounding component, and the second end of the second grounding component is electrically connected with a grounding grid;
and the leakage current sensor is arranged around the second grounding component.
2. The energy storage container of claim 1, wherein,
the second grounding component is a grounding copper rod.
3. The energy storage container of claim 2, wherein,
the grounding copper bar further comprises an insulating sleeve which is sleeved.
4. The energy storage container of claim 2, wherein,
the energy storage container further comprises a connecting piece, wherein the first end of the connecting piece is electrically connected with the second end of the grounding copper rod, and the second end of the connecting piece is electrically connected with the grounding grid.
5. The energy storage container of claim 4, wherein,
the connecting piece is a flexible conductive piece, and the grounding copper rod is in soft connection with the grounding grid through the connecting piece.
6. The energy storage container of claim 5, wherein the container comprises a plurality of storage containers,
the connector includes:
a first tin-plated copper bar, a first end of which is electrically connected with the grounding copper bar;
a copper braid, a first end of the copper braid electrically connected to a second end of the first tin-plated copper bar;
the first end of the second tin-plated copper bar is electrically connected with the second end of the copper braid belt, and the second end of the second tin-plated copper bar is electrically connected with the grounding grid.
7. The energy storage container of claim 1, wherein,
the energy storage container further comprises a fixing support, wherein the fixing support is connected with the container body and the leakage current sensor, and the leakage current sensor is fixed on the container body.
8. The energy storage container of claim 1, wherein,
the energy storage container further comprises a support member, wherein the support member is connected with the box body and the second grounding assembly and is used for supporting the second grounding assembly.
9. The energy storage container of claim 1, wherein,
the first grounding component is a grounding stainless steel plate.
10. The energy storage container of claim 1, wherein,
the energy storage container further comprises a converging cabinet, and the leakage current sensor is in communication connection with the converging cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320882950.6U CN219553719U (en) | 2023-04-13 | 2023-04-13 | Energy storage container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320882950.6U CN219553719U (en) | 2023-04-13 | 2023-04-13 | Energy storage container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219553719U true CN219553719U (en) | 2023-08-18 |
Family
ID=87700150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320882950.6U Active CN219553719U (en) | 2023-04-13 | 2023-04-13 | Energy storage container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219553719U (en) |
-
2023
- 2023-04-13 CN CN202320882950.6U patent/CN219553719U/en active Active
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