Multi-path three-phase power monitoring terminal battery and battery pack with same

Abstract

The invention belongs to the technical field of batteries and battery packs, and provides a multi-path three-phase power monitoring terminal battery and a battery pack with the same. The battery pack comprises multiple groups of battery rows and a battery cell bracket, the phase-change heat-conducting structure further comprises a heat-conducting fitting piece and a plurality of protective sleeves made of phase-change heat-conducting materials, wherein the heat-conducting fitting piece comprises a first heat-conducting silica gel sheet and a second heat-conducting silica gel sheet which is symmetrical to the first heat-conducting silica gel sheet; wherein one part of the protective sleeve is attached to the side wall of the battery row located on the left side of the heat conduction attaching piece in a full-covering mode, and the other part of the protective sleeve is attached to the side wall of the battery row located on the right side of the heat conduction attaching piece in a full-covering mode. Compared with the prior art, the heat-conducting fitting piece and the protective sleeve are arranged, so that dual heat-conducting and heat-dissipating effects are achieved, a large amount of latent heat can be absorbed or released when the temperature changes through the phase-change heat-conducting material, the internal temperature of the battery is kept stable, heat is continuously dissipated, and the heat-dissipating performance of the battery is effectively improved; and the problem of performance reduction and even damage caused by large temperature fluctuation is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of batteries and battery packs, and more specifically, relates to a multi-channel three-phase power monitoring terminal battery and a battery pack having the battery. Background Art

[0002] The multi-channel three-phase power monitoring terminal is a highly integrated monitoring device in the power system, which is mainly used to centrally monitor the current and power consumption of multi-channel three-phase equipment. This type of terminal has powerful data acquisition and processing capabilities, and can simultaneously monitor multiple (such as 4 or 8) independent three-phase devices or a corresponding number of single-phase devices, and collect a variety of electrical parameters including voltage, current, power, electric energy, power factor, frequency, maximum demand and occurrence time, three-phase time-divided power, etc. Its high-precision measurement capability and time-divided metering function make it widely used in many industries such as power, communication, transportation, and environmental protection.

[0003] However, although the multi-channel three-phase power monitoring terminal in the existing technology performs well in the field of power monitoring, its supporting battery has some shortcomings that are difficult to adapt to the terminal's working requirements. Since the power monitoring environment is complex and changeable, the battery needs to work stably under various harsh conditions. For example, when the battery is in an environment with large temperature fluctuations, it is easy for the battery performance to decline or even be damaged, affecting the normal operation of the monitoring terminal. Summary of the invention

[0004] In view of the above problems existing in the prior art, an object of the present invention is to provide a multi-channel three-phase power monitoring terminal battery and a battery pack having the battery to solve the technical problems raised in the background technology.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A multi-channel three-phase power monitoring terminal battery, comprising a plurality of battery rows consisting of a plurality of cylindrical battery cells, and a battery cell support, wherein the battery cells in the battery rows in the same horizontal plane are arranged in sequence along the front-to-back direction, the battery rows of adjacent groups are stacked in the longitudinal direction, and the battery cell support is arranged around the side walls of the plurality of battery rows;

[0007] It also includes a heat-conducting fitting and a plurality of protective covers all made of phase-change heat-conducting material, wherein the heat-conducting fitting includes a first heat-conducting silicone sheet and a second heat-conducting silicone sheet symmetrically arranged with the first heat-conducting silicone sheet, wherein the first heat-conducting silicone sheet is embedded in an upper embedding area formed between the battery row side wall located at the upper layer and the upper half of the inner ring wall of the battery cell support facing downward, so that the first heat-conducting silicone sheet is half-covered on the battery row side wall located at the upper layer; the second heat-conducting silicone sheet is embedded in a lower embedding area formed between the battery row side wall located at the lower layer and the lower half of the inner ring wall of the battery cell support facing upward, so that the second heat-conducting silicone sheet is half-covered on the battery row side wall located at the lower layer;

[0008] A portion of the protective cover is fully covered on the side wall of the battery row located on the left side of the thermal conductive adhesive, and another portion of the protective cover is fully covered on the side wall of the battery row located on the right side of the thermal conductive adhesive.

[0009] As a further improvement of the present invention, it also includes a plurality of thermally conductive silicone strips, which are embedded between two battery cells stacked in the longitudinal direction, and are spaced apart between the front and rear side walls of two adjacent thermally conductive silicone strips.

[0010] As a further improvement of the present invention, the orthographic projection surface of the battery holder is a rounded rectangle, and the battery holder is made of a thermally conductive material, and its thermal conductivity is greater than 1W / (mk);

[0011] A clamping cavity for assembling or removing the battery cell is provided in the center of the battery cell holder, and a plurality of hollow holes are also provided on the battery cell holder, and the plurality of hollow holes are star-shaped or triangle-shaped, and the plurality of hollow holes are symmetrically arranged on the inner ring wall on the front and rear sides of the clamping cavity.

[0012] As a further improvement of the present invention, a through hole is provided at the front end of the battery cell support, and the through hole penetrates the hollow hole located at the front direction.

[0013] As a further improvement of the present invention, it also includes a left metal frame and a right metal frame, and the left metal frame and the right metal frame each include a plurality of transverse metal bars and a plurality of longitudinal metal bars, the plurality of transverse metal bars are arranged in parallel and spaced apart in the front-to-back direction, the two ends of the plurality of longitudinal metal bars are welded between two adjacent transverse metal bars in the longitudinal direction, and the two adjacent longitudinal metal bars are arranged equidistantly in the front-to-back direction, the plurality of transverse metal bars of the left metal frame are arranged on the left side wall of the battery row, and the plurality of transverse metal bars of the right metal frame are arranged on the right side wall of the battery row.

[0014] As a further improvement of the present invention, the first thermally conductive silicone sheet and the second thermally conductive silicone sheet are both wavy.

[0015] As a further improvement of the present invention, it also includes a battery charging management circuit board and a battery thermal management circuit board, both of which are arranged on the upper side of the battery cell bracket, and the battery charging management circuit board and the battery thermal management circuit board are electrically connected to the battery row respectively, and the battery charging management circuit board is provided with an overcharge and over-discharge protection circuit and a short-circuit protection circuit, and the battery thermal management circuit board is provided with a temperature detection circuit.

[0016] The present invention application also provides a battery pack, which has a multi-channel three-phase power monitoring terminal battery as described above; and also includes a protective shell device for accommodating the multi-channel three-phase power monitoring terminal battery, the protective shell device includes an upper battery shell, a lower battery shell and a pair of side battery shells, the upper battery shell is placed on the upper side of the multi-channel three-phase power monitoring terminal battery, the lower battery shell is placed on the lower side of the multi-channel three-phase power monitoring terminal battery, and the pair of side battery shells are respectively placed on the left and right sides of the multi-channel three-phase power monitoring terminal battery;

[0017] The upper battery shell is provided with a first annular protrusion on both sides, and the lower battery shell is provided with a second annular protrusion on both sides. After the upper battery shell and the lower battery shell are assembled, a pair of inner ring grooves on the side of the side battery shell are respectively engaged with the first annular protrusion and the second annular protrusion respectively.

[0018] As a further improvement of the present invention, it also includes a cooling fan, the power supply part of the cooling fan is electrically connected to the battery charging management circuit board, the front side wall of the upper battery shell and the front side wall of the lower battery shell are formed with a notch, and the cooling fan base is embedded in the notch.

[0019] As a further improvement of the present invention, the upper battery shell, the lower battery shell and a pair of side battery shells are all made of flame-retardant and anti-electromagnetic materials.

[0020] As described above, the present invention provides a multi-channel three-phase power monitoring terminal battery and a battery pack having the battery, which has the following beneficial effects:

[0021] 1. The present invention arranges thermally conductive fittings that fit the cylindrical battery cells on the left and right sides of the battery cell holder, and arranges a protective cover made of phase-change thermally conductive material on the side of the thermally conductive fittings. This design is equivalent to having dual thermal conductivity and heat dissipation effects, and the phase-change thermally conductive material can absorb or release a large amount of latent heat when the temperature changes, thereby maintaining a stable internal temperature of the battery and continuously dissipating heat, thereby effectively improving the heat dissipation performance of the battery and avoiding performance degradation or even damage caused by large temperature fluctuations.

[0022] 2. The protective shell device of the present invention is made of flame-retardant and anti-electromagnetic materials, which effectively isolates the influence of external electromagnetic interference on the inside of the battery. This design not only extends the service life of the battery, but also improves the data collection and processing accuracy of the monitoring terminal, ensuring the accuracy of the monitoring results.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 A three-dimensional diagram of a battery pack containing multiple three-phase power monitoring terminal batteries for the present invention;

[0026] Figure 2 An enlarged view of part of the internal structure of a multi-channel three-phase power monitoring terminal battery applied for by the present invention;

[0027] Figure 3 A partial structural schematic diagram of a multi-channel three-phase power monitoring terminal battery is applied for the present invention;

[0028] Figure 4 This is an exploded view of part of the structure of the battery pack applied for by the present invention.

[0029] Summary of reference numerals and their descriptions:

[0030] 100, battery row; 101, battery cell;

[0031] 200. Battery cell support;

[0032] 300, thermally conductive fitting member, 310, first thermally conductive silicone sheet, 320, second thermally conductive silicone sheet;

[0033] 400, protective cover; 500, thermal conductive silicone strip;

[0034] 600, horizontal metal strip; 700, vertical metal strip;

[0035] 800. Battery charging management circuit board; 900. Battery cooling and heating management circuit board;

[0036] 1000, protective shell device; 1100, upper battery shell; 1200, lower battery shell; 1300, side battery shell; 2000, cooling fan. DETAILED DESCRIPTION

[0037] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0038] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present invention can be implemented, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects that the present invention can produce and the purposes that can be achieved. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of the relative relationship should also be regarded as the scope of the implementation of the present invention without substantial changes in the technical content. The specific structure can be described with reference to the drawings of the patent application.

[0039] The present invention provides a multi-channel three-phase power monitoring terminal battery and a battery pack having the battery, please refer to Figures 1 to 4 As shown; the present invention applies to a multi-channel three-phase power monitoring terminal battery, which includes multiple groups of battery rows 100 composed of a plurality of cylindrical battery cells 101 and a battery cell bracket 200, wherein the battery cells 101 in the group of battery rows 100 on the same horizontal plane are arranged in sequence along the front-to-back direction, and the battery rows 100 of adjacent groups are stacked in the longitudinal direction, and the battery cell bracket 200 is arranged around the side walls of the multiple groups of battery rows 100;

[0040] It also includes a heat-conductive fitting 300 and a plurality of protective covers 400 all made of phase-change heat-conductive material, wherein the heat-conductive fitting 300 includes a first heat-conductive silicone sheet 310 and a second heat-conductive silicone sheet 320 symmetrically arranged with the first heat-conductive silicone sheet 310, wherein the first heat-conductive silicone sheet 310 is embedded in an upper embedding area formed between the side wall of the battery row 100 located at the upper layer and the upper half of the inner ring wall of the battery cell holder 200 facing downward, so that the first heat-conductive silicone sheet 310 is half-covered on the side wall of the battery row located at the upper layer; the second heat-conductive silicone sheet 320 is embedded in a lower embedding area formed between the side wall of the battery row 100 located at the lower layer and the lower half of the inner ring wall of the battery cell holder 200 facing upward, so that the second heat-conductive silicone sheet 320 is half-covered on the side wall of the battery row 100 located at the lower layer;

[0041] A portion of the protective cover 400 is fully covered on the side wall of the battery array 100 located on the left side of the thermal conductive adhesive 300 , and another portion of the protective cover 400 is fully covered on the side wall of the battery array 100 located on the right side of the thermal conductive adhesive 300 .

[0042] Example 2

[0043] Based on Example 1, please refer to Figure 1 and Figure 2 As shown, it also includes a plurality of thermally conductive silicone strips 500 , which are embedded between two of the battery cells 101 stacked in the longitudinal direction, and the front and rear side walls of two adjacent thermally conductive silicone strips 500 are spaced apart.

[0044] In the above example, see Figure 1 and Figure 2 As shown, the orthographic projection surface of the battery holder 200 is a rounded rectangle, and the battery holder 200 is made of a thermally conductive material, and its thermal conductivity is greater than 1W / (mk);

[0045] A clamping cavity for assembling or removing the battery cell 101 is provided in the center of the battery cell holder 200. A plurality of hollow holes 201 are also provided on the battery cell holder 200. The hollow holes 201 are all star-shaped or triangle-shaped. The hollow holes 201 are symmetrically arranged on the inner ring wall on the front and rear sides of the clamping cavity.

[0046] In the above embodiment, a through hole 202 is formed at the front end of the cell support 201 , and the through hole 202 penetrates the hollow hole 201 located at the front direction.

[0047] In the above example, see Figure 2 As shown, it also includes a left metal frame and a right metal frame, and the left metal frame and the right metal frame each include a plurality of transverse metal bars 600 and a plurality of longitudinal metal bars 700, and the plurality of transverse metal bars 600 are arranged in parallel and spaced apart in the front-to-back direction, and the two ends of the plurality of longitudinal metal bars 700 are welded between two adjacent transverse metal bars 600 in the longitudinal direction, and the two adjacent longitudinal metal bars 700 are arranged at equal distances in the front-to-back direction, and the plurality of transverse metal bars 600 of the left metal frame are arranged on the left side wall of the battery row 100, and the plurality of transverse metal bars 600 of the right metal frame are arranged on the right side wall of the battery row 100.

[0048] In the above embodiment, the first thermally conductive silicone sheet 310 and the second thermally conductive silicone sheet 320 are both wavy.

[0049] Example 3

[0050] Based on Example 1, please refer to Figures 1 to 4 As shown, it also includes a battery charging management circuit board 800 and a battery heat management circuit board 900, both of which are arranged on the upper side of the battery holder 200. The battery charging management circuit board 800 and the battery heat management circuit board 900 are electrically connected to the battery row 100 respectively. The battery charging management circuit board 800 is provided with an overcharge and over-discharge protection circuit (not shown in the figure) and a short circuit protection circuit (not shown in the figure), and the battery heat management circuit board 900 is provided with a temperature detection circuit (not shown in the figure). It should be noted that the battery pack is built with a battery charging management circuit board 800 and a battery heat management circuit board 900, which realizes intelligent monitoring and management of battery charging, discharging and temperature. Among them, the overcharge and over-discharge protection circuit and the short circuit protection circuit effectively prevent the battery from being damaged due to abnormal operation, and improve the safety of battery use; and the temperature detection circuit can monitor the battery temperature in real time, cooperate with the phase change thermal conductive material and the cooling fan 840, to ensure that the battery operates within the optimal temperature range.

[0051] In the above embodiment, the present invention also provides a battery pack, see Figures 1 to 4 As shown, the battery pack has a multi-channel three-phase power monitoring terminal battery as described above; it also includes a protective shell device 1000 for accommodating the multi-channel three-phase power monitoring terminal battery, the protective shell device 1000 includes an upper battery shell 1100, a lower battery shell 1200 and a pair of side battery shells 1300 assembled, the upper battery shell 1100 is placed on the upper side of the multi-channel three-phase power monitoring terminal battery, the lower battery shell 1200 is placed on the lower side of the multi-channel three-phase power monitoring terminal battery, and the pair of side battery shells 1300 are respectively placed on the left and right sides of the multi-channel three-phase power monitoring terminal battery;

[0052] The upper battery shell 1100 is provided with a first annular protrusion 1101 on both sides, and the lower battery shell 1200 is provided with a second annular protrusion 1201 on both sides. After the upper battery shell 1100 and the lower battery shell 1200 are assembled, a pair of inner annular grooves 1301 on the side of the side battery shell 1300 are respectively engaged with the first annular protrusion 1101 and the second annular protrusion 1201 correspondingly.

[0053] In the above embodiment, a cooling fan 2000 is also included, and the power-carrying part of the cooling fan 200 is electrically connected to the battery charging management circuit board 800. The front side wall of the upper battery shell 1100 and the front side wall of the lower battery shell 1200 are formed with a notch portion 1102, and the base portion of the cooling fan 2000 is embedded in the notch portion 1102.

[0054] In the above embodiment, the upper battery shell 1100, the lower battery shell 1200 and the pair of side battery shells 1300 are all made of flame-retardant and anti-electromagnetic materials. The above configuration effectively isolates the influence of external electromagnetic interference on the inside of the battery. This design not only prolongs the service life of the battery, but also improves the data collection and processing accuracy of the monitoring terminal, ensuring the accuracy of the monitoring results.

[0055] When assembling, please refer to Figures 1 to 4 As shown, the multiple battery cells 101 are first divided into two groups, wherein the battery cells 101 in the battery row 100 of the same horizontal plane are arranged in sequence along the front-to-back direction, the battery rows 100 of adjacent groups are stacked along the longitudinal direction, the battery cell holder is arranged around the side walls of the multiple battery rows 100, and the subsequent installation of other components is completed, which will not be stated one by one here; when in use, due to the provision of a thermally conductive fitting 300, and a protective cover 400 made of phase change thermal conductive material is provided on the side of the thermally conductive fitting 300, this design is equivalent to having dual thermal conductive and heat dissipation effects, and the phase change thermal conductive material can absorb or release a large amount of latent heat when the temperature changes, thereby maintaining the internal temperature of the battery stable and continuously dissipating heat, thereby effectively improving the heat dissipation performance of the battery, avoiding performance degradation or even damage due to large temperature fluctuations, and is beneficial to the normal operation of multiple three-phase power monitoring terminals.

[0056] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A multi-channel three-phase power monitoring terminal battery, comprising a plurality of battery rows consisting of a plurality of cylindrical battery cells and a battery cell holder, wherein the battery cells in the battery rows on the same horizontal plane are arranged in sequence along the front-to-back direction, the battery rows of adjacent groups are stacked in the longitudinal direction, and the battery cell holder is arranged around the side walls of the plurality of battery rows; characterized in that: It also includes a heat-conducting fitting and a plurality of protective covers all made of phase-change heat-conducting material, wherein the heat-conducting fitting includes a first heat-conducting silicone sheet and a second heat-conducting silicone sheet symmetrically arranged with the first heat-conducting silicone sheet, wherein the first heat-conducting silicone sheet is embedded in an upper embedding area formed between the battery row side wall located at the upper layer and the upper half of the inner ring wall of the battery cell support facing downward, so that the first heat-conducting silicone sheet is half-covered on the battery row side wall located at the upper layer; the second heat-conducting silicone sheet is embedded in a lower embedding area formed between the battery row side wall located at the lower layer and the lower half of the inner ring wall of the battery cell support facing upward, so that the second heat-conducting silicone sheet is half-covered on the battery row side wall located at the lower layer; A portion of the protective cover is fully covered on the side wall of the battery row located on the left side of the thermal conductive adhesive, and another portion of the protective cover is fully covered on the side wall of the battery row located on the right side of the thermal conductive adhesive.

2. A multi-channel three-phase power monitoring terminal battery according to claim 1, characterized in that: It also includes a plurality of heat-conducting silicone strips, which are embedded between two of the battery cells stacked in the longitudinal direction, and are spaced apart between the front and rear side walls of two adjacent heat-conducting silicone strips.

3. A multi-channel three-phase power monitoring terminal battery according to claim 1, characterized in that: The orthographic projection surface of the battery holder is a rounded rectangle, and the battery holder is made of a thermally conductive material with a thermal conductivity greater than 1W / (mk); A clamping cavity for assembling or removing the battery cell is provided in the center of the battery cell holder, and a plurality of hollow holes are also provided on the battery cell holder, and the plurality of hollow holes are star-shaped or triangle-shaped, and the plurality of hollow holes are symmetrically arranged on the inner ring wall on the front and rear sides of the clamping cavity.

4. A multi-channel three-phase power monitoring terminal battery according to claim 3, characterized in that: A through hole is formed at the front end of the battery support, and the through hole penetrates the hollow hole located in the front direction.

5. A multi-channel three-phase power monitoring terminal battery according to any one of claims 1 to 4, characterized in that: It also includes a left metal frame and a right metal frame, each of which includes a plurality of transverse metal bars and a plurality of longitudinal metal bars, the plurality of transverse metal bars are arranged in parallel and spaced apart in the front-to-back direction, the two ends of the plurality of longitudinal metal bars are welded between two adjacent transverse metal bars in the longitudinal direction, and the two adjacent longitudinal metal bars are arranged equidistantly in the front-to-back direction, the plurality of transverse metal bars of the left metal frame are arranged on the left side wall of the battery row, and the plurality of transverse metal bars of the right metal frame are arranged on the right side wall of the battery row.

6. A multi-channel three-phase power monitoring terminal battery according to any one of claims 1 to 4, characterized in that: The first thermally conductive silicone sheet and the second thermally conductive silicone sheet are both wavy in shape.

7. A multi-channel three-phase power monitoring terminal battery according to any one of claims 1 to 4, characterized in that: It also includes a battery charging management circuit board and a battery thermal management circuit board, both of which are arranged on the upper side of the battery cell bracket. The battery charging management circuit board and the battery thermal management circuit board are electrically connected to the battery row respectively. The battery charging management circuit board is provided with an overcharge and over-discharge protection circuit and a short circuit protection circuit, and the battery thermal management circuit board is provided with a temperature detection circuit.

8. A battery pack, comprising a multi-channel three-phase power monitoring terminal battery as claimed in any one of claims 1 to 7; characterized in that: It also includes a protective shell device for accommodating a multi-channel three-phase power monitoring terminal battery, the protective shell device includes an upper battery shell, a lower battery shell and a pair of side battery shells, the upper battery shell is placed on the upper side of the multi-channel three-phase power monitoring terminal battery, the lower battery shell is placed on the lower side of the multi-channel three-phase power monitoring terminal battery, and the pair of side battery shells are respectively placed on the left and right sides of the multi-channel three-phase power monitoring terminal battery; The upper battery shell is provided with a first annular protrusion on both sides, and the lower battery shell is provided with a second annular protrusion on both sides. After the upper battery shell and the lower battery shell are assembled, a pair of inner ring grooves on the side of the side battery shell are respectively engaged with the first annular protrusion and the second annular protrusion respectively.

9. The battery pack according to claim 8, characterized in that: It also includes a heat dissipation fan, the power supply part of the heat dissipation fan is electrically connected to the battery charging management circuit board, the front side wall of the upper battery shell and the front side wall of the lower battery shell are formed with a notch, and the base of the heat dissipation fan is embedded in the notch.

10. The battery pack according to claim 8 or 9, characterized in that: The upper battery shell, the lower battery shell and a pair of side battery shells are all made of flame-retardant and anti-electromagnetic materials.

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