Energy storage module and terminal low voltage management device

Abstract

The present invention relates to the field of low-voltage power distribution technology, and more specifically, to an energy storage module and a terminal low-voltage management device. The energy storage module includes a battery pack and a battery box for placing the battery pack; a cavity is formed inside the battery box, and the cavity has a first cavity located at the upper part and a second cavity located at the lower part, and the first cavity and the second cavity are independently arranged; the first cavity is used to provide an installation position for the battery pack, and the second cavity is used to form a heat dissipation channel for dissipating heat from the first cavity. The present invention can effectively realize the evacuation of the working heat of the battery pack and avoid the formation of high temperature at the battery pack.

Description

Technical Field

[0001] The present invention relates to the technical field of low-voltage power distribution, and in particular to an energy storage module and a terminal low-voltage management device. Background Art

[0002] At present, the demand for electricity consumption by residents is increasing, which puts higher requirements on the management and optimization of the power system, especially in rural or remote areas. Due to the long power supply lines and large power supply radius, voltage reduction is prone to occur. This not only affects the normal use of electrical equipment, but also may lead to a decrease in power grid operation efficiency and an increase in power loss. Therefore, terminal low voltage control is an important issue in the management of power distribution networks.

[0003] At present, measures such as line reconstruction, area division, series voltage regulator, and adding reactive power compensation devices can be adopted to manage low voltage in substations. Among them, line reconstruction and area division have the disadvantages of long cycle and high investment. Series voltage regulator cannot solve the scenario of long lines and heavy load at the end and will lower the power voltage of front-end users. Reactive power compensation devices cannot solve the low voltage problem caused by large active transmission voltage drop of lines. Summary of the invention

[0004] In order to overcome certain defects of the prior art, the present invention provides an energy storage module and a terminal low voltage management device.

[0005] According to an energy storage module disclosed in the present invention, it includes a battery pack and a battery box for placing the battery pack; a cavity is formed inside the battery box, the cavity has a first cavity located at the top and a second cavity located at the bottom, and the first cavity and the second cavity are independently arranged; the first cavity is used to provide an installation position for the battery pack, and the second cavity is used to form a heat dissipation channel for dissipating heat from the first cavity.

[0006] This design enables the first cavity to keep the battery pack in a space independent of the external environment, so that the battery pack can better avoid erosion by the external environment; the structure of the second cavity can achieve better heat dissipation of the first cavity, and can effectively dissipate the working heat of the battery pack to avoid the formation of high temperature at the battery pack.

[0007] Preferably, the battery box has a main body, the main body has a top plate located at the top, a bottom plate located at the bottom, a bottom plate located at the rear side, and two side plates located at the left and right sides respectively; the battery box also has a front panel located at the front side, the front panel and the main body are detachably matched; the top plate, the bottom plate, the front panel, the bottom plate and the two side plates together form a cavity. Therefore, the structure is simple and easy to implement.

[0008] Preferably, a heat dissipation bracket is provided in the cavity, and the heat dissipation bracket has a first heat conducting plate; the left and right sides of the first heat conducting plate respectively form a sealing match with the two side plates, the rear side of the first heat conducting plate forms a sealing match with the bottom plate, and the front side of the first heat conducting plate is used to form a sealing match with the front panel; the first heat conducting plate and the top plate form a first cavity, and the first heat conducting plate and the bottom plate form a second cavity. Therefore, the structure is simple and easy to implement.

[0009] Preferably, the heat dissipation bracket further includes two second heat conducting plates located between the corresponding side of the battery pack and the side plate, and the second heat conducting plates are integrally arranged at the first heat conducting plate; the heat dissipation bracket further includes a plurality of third heat conducting plates located between the second heat conducting plates and the corresponding side of the battery pack and between the first heat conducting plates and the corresponding side of the battery pack; the installation position of the battery pack is formed between the plurality of third heat conducting plates. Thus, the positioning of the battery pack can be better achieved, and the heat transfer efficiency from the battery pack to the first heat conducting plate can be effectively increased, which is conducive to improving the heat dissipation effect.

[0010] Preferably, the two side plates are each provided with a plurality of ventilation holes in the area located in the second cavity, and the heat dissipation channel is formed by the plurality of ventilation holes and the second cavity, thereby facilitating the formation of the heat dissipation channel.

[0011] Preferably, strip-shaped drainage holes are provided on the bottom plate, so that water accumulation in the second cavity can be effectively avoided.

[0012] Preferably, a groove is formed on the front side of the main body, and the front panel is arranged at the groove, so as to facilitate installation.

[0013] Preferably, a screw hole is formed at the bottom of the embedding groove, so as to facilitate installation.

[0014] A terminal low voltage management device according to the present disclosure is characterized in that it includes an energy storage module and a control module for hanging on a pole tower, and the energy storage module is any one of the above-mentioned energy storage modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the discharge process of a terminal low voltage management device in Example 1;

[0016] Figure 2 This is a schematic diagram of a charging process of a terminal low voltage management device in Example 1;

[0017] Figure 3 This is a wiring diagram of the present disclosure in a specific application scenario;

[0018] Figure 4 This is a wiring diagram of the present disclosure in another specific application scenario;

[0019] Figure 5This is a wiring diagram of the present disclosure in another specific application scenario;

[0020] Figure 6 It is a structural schematic diagram of a terminal low voltage management device disclosed in the present invention;

[0021] Figure 7 It is a structural schematic diagram of a terminal low voltage management device in the present disclosure;

[0022] Figure 8 It is a structural schematic diagram of a terminal low voltage management device in the present disclosure;

[0023] Fig. 9 It is a structural schematic diagram of a terminal low voltage management device disclosed in the present invention;

[0024] Fig.10 is a cross-sectional schematic diagram of a mounting member disclosed in the present invention;

[0025] Fig.11 is a schematic diagram of a battery box disclosed in the present invention;

[0026] Fig.12 A schematic diagram of an installation assembly disclosed herein. DETAILED DESCRIPTION

[0027] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the embodiments. It should be understood that the embodiments are only for explaining the present invention and are not intended to limit it.

[0028] Example 1

[0029] This embodiment provides a terminal low voltage control device, which includes a device body for incorporating into a power grid power supply line between a transformer and a user side, and the device body has an energy storage module and a control module for hanging on a pole tower;

[0030] Among them, the energy storage module is used to store or release electrical energy;

[0031] The control module includes:

[0032] A voltage acquisition unit is configured to acquire the real-time voltage of the power supply line of the power grid in real time;

[0033] A control unit, used to compare the real-time voltage with a preset threshold value to issue relevant control instructions; wherein the preset threshold value includes a first voltage threshold value, a second voltage threshold value and a third voltage threshold value, and the control instructions include a power supply instruction, a charging instruction and a shutdown instruction;

[0034] The inverter unit is configured to receive a power supply instruction issued by the control unit when the real-time voltage is between the first voltage threshold and the second voltage threshold, and invert the electric energy in the energy storage module to a set voltage value to discharge to the power supply line of the power grid;

[0035] a charging unit configured to receive a charging instruction issued by the control unit when the real-time voltage is between the second voltage threshold and the third voltage threshold, convert the real-time voltage at the power supply line of the power grid into a charging voltage of the energy storage module, and charge the energy storage module; and

[0036] The switch unit is configured to disconnect the electrical connection between the energy storage module and the power supply line of the power grid when the real-time voltage is lower than the first voltage threshold or higher than the third voltage threshold.

[0037] For the terminal power grids with low voltage problems in remote villages and mountainous areas, there are generally intermittent low voltage, low voltage due to long-distance lines, and difficulty in line transformation. The solution provided by the present invention can set up energy storage modules and control modules connected in parallel to the power supply network at the nearby pole towers. By providing power when the line load is peak and absorbing power when the line load is low, the low voltage at the terminal can be controlled in a relatively low-cost and high-efficiency manner.

[0038] Among them, since the equipment disclosed in the present invention is connected to the power supply network in parallel, it can be installed without power outage and will not affect the power supply reliability of the substation; since there is no need to modify the line, the construction is simple and the voltage increase is effective quickly.

[0039] See Figure 1 When the real-time voltage is between the second voltage threshold and the third voltage threshold, the energy storage module can store electricity from the power supply network through the charging unit. At this time, the energy storage module discharges to the power grid, so that part of the residents' electricity is provided by the energy storage system and part of the electricity is provided by the power grid, reducing the current of the power grid line, thereby achieving the effect of reducing the line voltage drop and increasing the terminal power supply voltage.

[0040] See Figure 2 When the real-time voltage is between the first voltage threshold and the second voltage threshold, the energy storage module can provide energy to the power supply network through the inverter unit, thereby better maintaining the energy storage capacity.

[0041] Furthermore, when the real-time voltage is lower than the first voltage threshold or higher than the third voltage threshold, the electrical connection between the energy storage module and the power supply line of the power grid can be disconnected, thereby better protecting the energy storage module when an abnormality occurs in the power supply grid.

[0042] It can be understood that in this embodiment, the inverter unit can include an inverter circuit, the charging unit can include a charging circuit, the switch unit can include a switch circuit, and the control unit can control the inverter circuit, the charging circuit, and the switch circuit through a corresponding drive circuit. The present disclosure does not limit the specific forms of the inverter circuit, the charging circuit, and the switch circuit, and they can adopt existing related circuits such as those based on switch tubes.

[0043] It can be understood that the energy storage module can be connected in parallel to the power supply network through the main circuit, the switch unit should be connected in series to the main circuit, and the inverter branch where the inverter unit is located and the charging branch where the charging unit is located should be connected between the energy storage module and the switch unit.

[0044] As a specific embodiment, the first voltage threshold can be set to 110V, the second voltage threshold can be set to 200V, and the third voltage threshold can be set to 260V, and the set voltage value can be the real-time voltage of the power supply line of the power grid.

[0045] See Figure 3 In a specific application scenario, for the situation where the low-voltage users at the end of a single-phase long-distance transmission area are concentrated and the number of households is small, a terminal low-voltage management device can be installed near the front end of the low-voltage area to solve the low-voltage problem.

[0046] See Figure 4 In another specific application scenario, for the situation where the number of low-voltage users at the end of a single-phase long-distance transmission area is large and concentrated, a terminal low-voltage management device can be installed near the front end of the low-voltage area, and then a terminal can be installed in the middle of the low-voltage area to solve the low voltage problem.

[0047] See Figure 5 In another specific application scenario, for the situation where the low-voltage users at the end of a single-phase long-distance transmission station are relatively dispersed, a low-voltage management device can be installed near the front end of each low-voltage area to solve the low-voltage problem.

[0048] Example 2

[0049] Since the solution disclosed in this disclosure is mainly aimed at the terminal power grid with low voltage problems in remote villages and mountainous areas, the difficulty of installing the terminal low voltage control device at the power pole tower and the daily maintenance issues are taken into consideration. This embodiment provides a power pole clamp assembly that can match the power pole tower at the end of the power grid.

[0050] See Figure 6-11The utility pole clamp assembly disclosed in the present invention includes an assembly body, which includes a first mounting plate 120 for cooperating with the upper part of the equipment box and a clamp member 110 for cooperating with the pole tower; the clamp member 110 includes two semi-circular clamp plates 111, and the two semi-circular clamp plates 111 are used to cooperate with the pole tower from the circumferential direction; a fixing rod 114 is radially arranged in the middle part of the outer side of the clamp plate 111, and a mounting hole 121 for cooperating with the fixing rod 114 is arranged at the first mounting plate 120.

[0051] Based on this solution, by setting a first mounting plate 120 at the equipment box and cooperating with the clamp 110 and the first mounting plate 120, equipment boxes of different specifications and models can be hung on the pole tower, thereby facilitating the hanging of the energy storage module and the control module on the pole tower.

[0052] It is understandable that the energy storage module and the control module can both be arranged at the corresponding equipment box, and the equipment box is arranged at the pole tower through the clamp assembly.

[0053] By separately setting up the energy storage module and the control module, the terminal low-voltage management device can be divided into two separate devices, reducing the volume and weight of a single device and making it more convenient for construction workers to carry out high-altitude installation.

[0054] The two ends of the hoop plates 111 are formed with radially arranged extension plates 112, and the extension plates 112 are provided with first bolt holes 113. Therefore, it is convenient to fix the two hoop plates 111 to the pole tower by bolts.

[0055] The surface of the fixing rod 114 is formed with a connecting thread for cooperating with a locking nut, so as to facilitate the assembly between the hoop plate 111 and the first mounting plate 120 .

[0056] The first mounting plate 120 is U-shaped as a whole, and has an upper end plate 123 and two side wing plates 124 vertically arranged on the same side of the upper end plate 123; the mounting hole 121 is arranged in the middle of the upper end plate 123, and the two side wing plates 124 are used to form a match with the equipment box, so as to facilitate the fixed match between the first mounting plate 120 and the equipment box.

[0057] Among them, strip-shaped through holes 122 are formed on both sides of the mounting hole 121 and are arranged at the upper end plate 123. Thus, hanging points can be provided, which is conducive to transportation and hoisting from the ground to a high-altitude construction position.

[0058] The assembly body also includes a second mounting plate 140 for cooperating with the lower part of the equipment box. The second mounting plate 140 is used to form an arc-shaped channel for a steel tie 141 to pass through between the corresponding side walls of the equipment box. The steel tie 141 is used to cooperate with the pole tower from the circumferential direction. Therefore, the installation stability of the equipment box can be further improved.

[0059] The second mounting plate 140 is in an elongated shape as a whole and has an arc-shaped cross section, and connecting plates 142 for matching with corresponding side walls of the equipment box are formed on both sides of the second mounting plate 140. Therefore, the structure is simple and easy to implement.

[0060] Example 3

[0061] Considering that the terminal low voltage control device of the present disclosure is installed at a pole tower, and the environment of such a pole tower generally cannot meet the operation requirements of large equipment and the construction station can only accommodate a single person for construction operations. Therefore, in this embodiment, the clamping member 110 in embodiment 1 is improved so that the auxiliary installation of the energy storage module and the control module can be achieved through the sliding plate 412 and / or the annular hoop 421 described below during the installation and construction process.

[0062] See Figure 7 The upper end surface of the hoop plate 111 extends upward to form a first connecting plate 411, and a gap is formed between the inner side of the first connecting plate 411 and the inner side of the hoop plate 111, and a gap is also formed between the outer side of the first connecting plate 411 and the outer side of the hoop plate 111;

[0063] A sliding plate 412 is slidably disposed at the first connecting plate 411 , and a fixed pulley is disposed at the sliding plate 412 .

[0064] This means that after the clamp plate 111 is fixed to the pole tower, a suspension system can be built through a fixed pulley and a telescopic structure, and the energy storage module and the control module can be hoisted from the ground to a high-altitude construction location through the suspension system. This can better reduce the risk of high-altitude operations and help improve construction efficiency.

[0065] The sliding plate 412 has a main body, the inner side of which is configured to be an arc for fitting the outer side of the first connecting plate 411; a transition connecting portion for matching with the upper end surface of the first connecting plate 411 is vertically provided at the upper end of the main body, and a hook portion for embedding into the gap formed between the inner side of the first connecting plate 411 and the inner side of the hoop plate 111 is vertically provided at the transition connecting portion;

[0066] The side of the hook portion facing the first connecting plate 411 is configured to be in an arc shape for fitting the inner side of the first connecting plate 411, and the side of the hook portion facing the hoop plate 111 is configured to be in an arc surface consistent with the arc of the inner side surface of the hoop plate 111;

[0067] The hook portion has a thickness that is consistent with the size of the distance formed between the inner side of the first connecting plate 411 and the inner side of the clamping plate 111 , and the main body portion has a thickness that is consistent with the size of the distance formed between the outer side of the first connecting plate 411 and the outer side of the clamping plate 111 .

[0068] Based on such a structure, the sliding plate 412 can have better matching stability with the first connecting plate 411, thereby providing a more stable hanging point strength.

[0069] Among them, a locking screw hole is centrally provided at the lower part of the sliding plate 412, and a locking column 418 is coaxially provided with the locking screw hole at the outer side of the sliding plate 412; the locking column 418 is axially provided with a locking channel corresponding to the locking screw hole, and the locking screw hole is used to cooperate with a locking screw 419. Therefore, it is convenient to fix the sliding plate 412 after adjusting it to the desired position, and it is convenient to carry out hoisting.

[0070] A telescopic rod 413 is provided at the upper outer portion of the sliding plate 412, and the outer end of the telescopic sleeve rod 413 is connected to the middle of a connecting rod 414, and fixed pulleys are provided at both ends of the connecting rod 414, so that the operation is facilitated.

[0071] The telescopic rod 413 may have a first sleeve and a second sleeve, and the second sleeve may be sleeved in the first sleeve; the end of the first sleeve for cooperating with the second sleeve may be provided with a positioning ring 417, and the positioning ring 417 may be provided with a butterfly screw in the radial direction.

[0072] The two semicircular hoop plates 111 can also cooperate with an unclosed annular hoop 421, and both ends of the annular hoop 421 are provided with barbs. The annular hoop 421 has sufficient elasticity.

[0073] This design makes it possible to

[0074] When the two hoop members 110 are fixedly installed at the pole tower, the sliding plate 412 can be fixed to any position of the first connecting plate 411 on the ground, and then the two ends of the annular hoop 421 can be hung on the locking column 418 in the air to pre-fix the two hoop members 110 at the pole tower, so that it is convenient to use bolts to completely fix the two hoop members 110 at the pole tower later;

[0075] When the energy storage module or the control module is hoisted to the construction location, the two ends of the annular hoop 421 can be respectively hung on the two strip through holes 122 on the upper end plate 123 of the first mounting plate 120, thereby enabling the energy storage module or the control module to be pre-fixed, providing a good construction environment for the subsequent secondary fixation.

[0076] Example 4

[0077] Considering that the energy storage module needs to have a good heat dissipation environment and cannot be directly exposed to the external environment, this embodiment provides a specific arrangement of the energy storage module.

[0078] Combination Figure 6-11An energy storage module disclosed in the present invention includes a battery pack 211 and a battery box 210 for placing the battery pack 211; a cavity is formed inside the battery box 210, and the cavity has a first cavity located at the upper part and a second cavity located at the lower part, and the first cavity and the second cavity are independently arranged; the first cavity is used to provide an installation position for the battery pack 211, and the second cavity is used to form a heat dissipation channel for dissipating heat from the first cavity.

[0079] This design enables the first cavity to keep the battery pack 211 in a space independent of the external environment, so that the battery pack 211 can better avoid erosion by the external environment; the structure of the second cavity can achieve better heat dissipation of the first cavity, and can effectively dissipate the working heat of the battery pack 211, avoiding the formation of high temperature at the battery pack 211.

[0080] The battery box 210 has a main body, which has a top plate 220 located at the top, a bottom plate 213 located at the bottom, a bottom plate 213 located at the rear side, and two side plates 212 located at the left and right sides respectively; the battery box 210 also has a front panel 219 located at the front side, and the front panel 219 is detachably matched with the main body; the top plate 220, the bottom plate 213, the front panel 219, the bottom plate 213 and the two side plates 212 together form a cavity. Therefore, the structure is simple and easy to implement.

[0081] The cavity is provided with a heat dissipation bracket, which has a first heat conducting plate 215; the left and right sides of the first heat conducting plate 215 are respectively sealed with the two side plates 212, the rear side of the first heat conducting plate 215 is sealed with the bottom plate 213, and the front side of the first heat conducting plate 215 is used to form a seal with the front panel 219; the first heat conducting plate 215 and the top plate 220 form a first cavity, and the first heat conducting plate 215 and the bottom plate 213 form a second cavity. Therefore, the structure is simple and easy to implement.

[0082] The heat dissipation bracket further includes two second heat conducting plates 216 located between the corresponding side of the battery pack 211 and the side plate 212, and the second heat conducting plates 216 are integrally arranged at the first heat conducting plate 215; the heat dissipation bracket further includes a plurality of third heat conducting plates 217 located between the second heat conducting plates 216 and the corresponding side of the battery pack 211 and between the first heat conducting plate 215 and the corresponding side of the battery pack 211; the installation position of the battery pack 211 is formed between the plurality of third heat conducting plates 217. Thus, the positioning of the battery pack 211 can be better achieved, and the heat transfer efficiency from the battery pack 211 to the first heat conducting plate 215 can be effectively increased, which is conducive to improving the heat dissipation effect.

[0083] The two side plates 212 are both provided with a plurality of ventilation holes 222 in the area located in the second cavity, and the heat dissipation channel is formed by the plurality of ventilation holes 222 and the second cavity, so that the heat dissipation channel is formed.

[0084] The bottom plate 213 is provided with strip-shaped drainage holes 218, so that water accumulation in the second cavity can be effectively avoided.

[0085] A groove 221 is formed at the front side of the main body, and the front panel 219 is disposed at the groove 221, so that it is easy to install.

[0086] A screw hole is formed at the bottom of the embedding groove 221, so it is convenient for installation.

[0087] Example 5

[0088] Considering that there are many wiring terminals at the control module, in order to prevent the internal circuit thereof from being corroded by the external environment, this embodiment provides a specific arrangement of the control module.

[0089] Combination Figure 6-11 A control module disclosed in the present invention includes a control box and a protective cover 310 arranged at the bottom of the control box, and the control box has a control box bottom plate 311 at the lower part; an interface area is formed in the middle area of ​​the control box bottom plate 311, and a cable interface and a heat dissipation hole are formed in the interface area; the protective cover 310 is detachably arranged at the lower part of the control box bottom plate 311, and the protective cover 310 includes a cover plate 319 located at the lower part; the upper part of the cover plate 319 is connected with four first side plates 313 connected end to end in sequence, and four partition plates 318 connected end to end in sequence at the inner periphery of the four first side plates 313; the four partition plates 318 jointly form a protective cavity corresponding to the interface area, and a partition cavity is formed between the four first side plates 313 and the four partition plates 318; a plurality of water leakage holes 320 are formed in the area of ​​the cover plate 319 corresponding to the partition cavity, and a cable channel is formed in the area of ​​the cover plate 319 corresponding to the protective cavity.

[0090] This design can effectively reduce the possibility of rain, dust and other debris entering the control box through the cable interface or heat dissipation holes in outdoor use scenarios by forming an enclosure for the interface area, which is beneficial to maintaining a stable environment inside the control box, thereby effectively protecting the internal circuit of the control module.

[0091] The middle areas of the upper ends of the four partition plates 318 together form a gasket placement groove, which is used to cooperate with the annular rubber gasket, so as to facilitate the protection of the interface area.

[0092] The control box bottom plate 311 is provided with a mounting groove 312 , and the four first side plates 313 are provided with plug-in structures corresponding to the mounting groove 312 , so as to facilitate the installation of the protective cover 310 .

[0093] The plug-in structure includes a connection cavity 314 formed at the upper end of the corresponding first side plate 313, two sliding rods 316 slidably arranged in the connection cavity 314, and an elastic member 317 located between the two sliding rods 316; the sliding rod 316 can be completely retracted into the connection cavity 314, and the elastic member 317 is used to maintain the tendency of the sliding rod 316 to extend from the corresponding end of the connection cavity 314. Therefore, the structure is simple and easy to implement.

[0094] The connecting cavity 314 is formed by curling the upper end portion of the corresponding first side plate 313. Therefore, the structure is simple and easy to implement.

[0095] Example 6

[0096] This embodiment provides a method for managing low voltage at the terminal, which connects a low voltage management device described in any one of the embodiments 1 in parallel between the power grid power supply line between the transformer and the user side. The corresponding part of the low voltage management device at the terminal can partially or completely adopt the design in embodiments 2-5.

[0097] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on one or several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0098] The present invention and its implementation methods are described schematically above, and the description is not restrictive. The embodiments shown in the embodiments are only part of the implementation methods of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the embodiments and designs a structure and an implementation method similar to the technical solution without creativity without departing from the purpose of the invention, they should all fall within the protection scope of the present invention.

Claims

1. An energy storage module, characterized in that: The invention comprises a battery pack (211) and a battery box (210) for accommodating the battery pack (211); a cavity is formed inside the battery box (210), the cavity comprises a first cavity located at the upper part and a second cavity located at the lower part, the first cavity and the second cavity are independently arranged; the first cavity is used to provide an installation position for the battery pack (211), and the second cavity is used to form a heat dissipation channel for dissipating heat from the first cavity.

2. An energy storage module according to claim 1, characterized in that: The battery box (210) has a main body, the main body having a top plate (220) located at the top, a bottom plate (213) located at the bottom, a bottom plate (213) located at the rear, and two side plates (212) located at the left and right sides respectively; the battery box (210) also has a front panel (219) located at the front side, the front panel (219) and the main body are detachably matched; the top plate (220), the bottom plate (213), the front panel (219), the bottom plate (213), and the two side plates (212) together form a cavity.

3. An energy storage module according to claim 2, characterized in that: A heat dissipation bracket is arranged in the cavity, and the heat dissipation bracket has a first heat conducting plate (215); the left and right sides of the first heat conducting plate (215) respectively form a sealing fit with the two side plates (212), the rear side of the first heat conducting plate (215) forms a sealing fit with the bottom plate (213), and the front side of the first heat conducting plate (215) is used to form a sealing fit with the front panel (219); a first cavity is formed between the first heat conducting plate (215) and the top plate (220), and a second cavity is formed between the first heat conducting plate (215) and the bottom plate (213).

4. An energy storage module according to claim 3, characterized in that: The heat dissipation bracket further comprises two second heat conduction plates (216) located between the corresponding side of the battery pack (211) and the side plate (212), and the second heat conduction plates (216) are integrally arranged at the first heat conduction plate (215); the heat dissipation bracket further comprises a plurality of third heat conduction plates (217) located between the second heat conduction plates (216) and the corresponding side of the battery pack (211) and between the first heat conduction plate (215) and the corresponding side of the battery pack (211); the installation position of the battery pack (211) is formed between the plurality of third heat conduction plates (217).

5. An energy storage module according to claim 3, characterized in that: The two side plates (212) are each provided with a plurality of ventilation holes (222) in an area located in the second cavity, and the heat dissipation channel is formed by the plurality of ventilation holes (222) and the second cavity.

6. An energy storage module according to claim 5, characterized in that: Strip-shaped drainage holes (218) are provided on the bottom plate (213).

7. An energy storage module according to claim 2, characterized in that: An embedding groove (221) is formed on the front side of the main body, and the front panel (219) is arranged at the embedding groove (221).

8. An energy storage module according to claim 7, characterized in that: A screw hole is formed at the bottom of the embedding groove (221).

9. A terminal low voltage control device, characterized in that: It comprises an energy storage module and a control module for hanging on a pole tower, and the energy storage module is an energy storage module as described in any one of claims 1-8.

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