Battery charging and discharging equipment

Abstract

The utility model discloses a battery charging and discharging device, and relates to the technical field of battery charging and discharging. The battery charging and discharging equipment comprises a cabinet body, fans are installed on the left side and the right side of the cabinet body in an embedded mode, a thermistor is installed on the outer side of the cabinet body, a thermodetector is fixedly installed at the top end of the cabinet body, a heat dissipation mechanism is installed in the cabinet body, and the heat dissipation mechanism comprises a vapor chamber installed on the upper portion of the cabinet body in an embedded mode. A water channel plate is fixedly installed below the vapor chamber, connecting pipes are fixedly installed on the front side and the rear side of the water channel plate, refrigerant fluid is guided to evenly pass through the lower portion of the vapor chamber through a plate-shaped structure in the water channel plate, the refrigerant fluid is conveyed through a circulating pump, and when the refrigerant fluid is located in the water tank, the heat pipes can absorb heat of the refrigerant fluid; and the heat is taken away from the cabinet body through the air flow among the fins to cool the battery, so that the temperature of the battery is controlled below a temperature threshold, and the charging and discharging process of equipment is prevented from being stopped due to the temperature rise of the battery.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery charging and discharging technical field, concretely is a kind of battery charging and discharging equipment. BACKGROUND

[0002] With the development of science and technology and the progress of society, the application of storage battery in daily life and work is more and more widely, such as electric vehicle, energy storage system and other fields. However, the performance and service life of storage battery depend largely on the management of its charging and discharging process, and improper charging and discharging method may lead to performance degradation, shortened service life and even safety accidents.

[0003] The existing battery charging and discharging equipment can be referred to the Chinese utility model patent with the announcement number CN218957826U, which discloses a battery charging and discharging equipment, the battery charging and discharging equipment includes a rack, a battery cabinet and a control cabinet, the rack is provided with a passageway; the battery cabinet is arranged on the rack; the control cabinet is arranged on the rack, and the control cabinet is used for installing power supply components and electrical components; wherein, the battery cabinet is arranged on one side of the passageway, and at least one of the power supply components and the electrical components is arranged on the other side of the passageway. The battery charging and discharging equipment integrates the power supply cabinet and the battery cabinet on one cabinet body, which can solve the problem of large space occupation of the split structure charging and discharging cabinet, and save the cost of factory building and equipment; in addition, a passageway for pedestrians is arranged on the equipment cabinet, which can facilitate manual operation and control of the battery cabinet and the control cabinet, i.e. when the battery cabinet and the electrical components, power supply components are integrated on one cabinet body, the passageway provides space for manual operation.

[0004] The above-mentioned battery charging and discharging equipment integrates the battery cabinet, electrical components and power supply components in one cabinet body to reduce the volume of the battery, and in the process of charging and discharging, the battery itself generates heat. When the heat exceeds the threshold value, the charging and discharging process will be stopped to ensure the safe operation of the equipment, which affects the efficiency. At the same time, the existing battery charging and discharging equipment generally monitors the battery temperature through a thermistor, which may cause the temperature of some areas of the battery to be too high. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a battery charging and discharging equipment to solve the problems of battery heating affecting efficiency and poor battery temperature monitoring effect in the charging and discharging process.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a battery charging and discharging equipment, comprising a cabinet body, a fan is embedded and installed on the left and right sides of the cabinet body, a thermistor is installed on the outside of the cabinet body, a temperature measuring instrument is fixedly installed at the top end of the cabinet body, and a heat dissipation mechanism is installed in the inside of the cabinet body.

[0007] The heat dissipation mechanism comprises a heat equalizing plate embeddedly installed above the cabinet body, a water channel plate fixedly installed below the heat equalizing plate, connecting pipes fixedly installed on the front and back sides of the water channel plate, a circulating pump connected to the lower end of the connecting pipes, a water tank connected to one side of the circulating pump, heat pipes insertedly welded on the upper side of the water tank, and fins fixedly installed on the outer side of the heat pipes.

[0008] Preferably, the upper side of the cabinet body is provided with a hole structure embedded with the heat equalizing plate, the ten fans are respectively installed on the left and right sides of the cabinet body, and the control module, the power conversion module, the battery management module and the energy storage module are fixedly installed on the front side inside the cabinet body.

[0009] Preferably, the power conversion module comprises an AC converter and a DC converter, the battery management module comprises a voltage and current monitor, the surface of the power conversion module and the battery management module is also provided with thermistors, the two thermistors are located on the outer side of the cabinet body, and the temperature measuring instrument is directed to the center of the heat equalizing plate.

[0010] Preferably, the top end of the water channel plate is fixedly connected with the bottom surface of the heat equalizing plate, the lower side is fixed with the cabinet body through a support frame, the inside of the water channel plate is provided with plate-shaped structures installed at equal distances on the left and right sides, the length of the plate-shaped structures is less than the length of the inner cavity of the water channel plate, and the front and back sides of the water channel plate are provided with hole structures embedded with the connecting pipes.

[0011] Preferably, the front side of the water channel plate is connected with the circulating pump through the connecting pipes, the rear side is connected with the water tank through the connecting pipes, and the heat pipes are installed in an array on the upper side of the water tank.

[0012] Preferably, the fins are vertically and equidistantly installed on the part of the heat pipes located above the water tank, and the fins are located between the fans on the left and right sides at the rear of the cabinet body.

[0013] Beneficial effects

[0014] Compared with the prior art, the battery charging and discharging equipment has the following beneficial effects:

[0015] (1) The battery charging and discharging equipment is provided with a temperature measuring instrument, the temperature measuring instrument is directed to the center of the heat equalizing plate, the upper surface temperature of the storage battery is monitored through the two thermistors outside the cabinet body during use, the charging and discharging is stopped through the control module when the temperature reaches the threshold value, the temperature measuring instrument can monitor the temperature of the upper surface and the side vertical surface of the battery, and the control module also stops the charging and discharging process when the highest temperature of a certain area in the detection range of the temperature measuring instrument exceeds the threshold value; in this way, the temperature of the battery is monitored in a contact mode and a non-contact mode through the thermistors and the temperature measuring instrument during the battery charging and discharging process, and the overheating of a certain area of the battery is prevented.

[0016] (2), the battery charging and discharging equipment, through the setting of the heat plate, the heat plate can make the heat generated in the charging and discharging process of the battery evenly distributed, so that the heat is transmitted to the refrigerant inside the water channel plate, the refrigerant is guided to pass through the lower part of the heat plate through the plate structure inside the water channel plate, the refrigerant is transported by the circulating pump, when the refrigerant is located inside the water tank, the heat pipe will absorb the heat of the refrigerant, and the heat will be taken away from the cabinet through the air flow between the fins, so as to cool the battery, so as to control the temperature of the battery below the temperature threshold, prevent the equipment from stopping the charging and discharging process due to the temperature rise of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the cabinet cross section structure schematic diagram of the utility model;

[0019] Figure 3 It is the connecting pipe installation structure schematic diagram of the utility model;

[0020] Figure 4 It is the temperature measuring instrument installation structure schematic diagram of the utility model;

[0021] In the drawing: 1, cabinet;11, fan;12, thermistor;13, temperature measuring instrument;14, control module;15, power conversion module;16, battery management module;17, energy storage module;2, heat dissipation mechanism;21, heat plate;22, water channel plate;23, connecting pipe;24, circulating pump;25, water tank;26, heat pipe;27, fin. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a battery charging and discharging equipment includes cabinet 1, the left and right sides of cabinet 1 are inlayed and are installed with fan 11, the outside of cabinet 1 is installed with thermistor 12, the top of cabinet 1 is fixedly installed with temperature detector 13, the top of cabinet 1 is provided with the opening structure of inlaying with hot plate 21, fan 11 has ten, is installed respectively in the left and right sides of cabinet 1, the inside front side of cabinet 1 is fixedly installed with control module 14, power conversion module 15, battery management module 16, energy storage module 17, power conversion module 15 includes AC converter, DC converter, battery management module 16 includes voltage, current monitor, the surface of power conversion module 15, battery management module 16 is also installed with thermistor 12, and thermistor 12 has two on the outside of cabinet 1, and temperature detector 13 points to the center of hot plate 21.

[0024] Specifically, cabinet 1 can protect the internal circuit, the air outlet direction of fan 11 on the left and right sides of cabinet 1 is same, which can facilitate the airflow to take away the heat inside cabinet 1, the two thermistors 12 outside cabinet 1 can monitor the temperature during the battery charging and discharging process, the AC converter in power conversion module 15 can convert alternating current into direct current, the DC converter can realize the switching of charging and discharging mode, the thermistors 12 outside power conversion module 15, battery management module 16 and energy storage module 17 can monitor the temperature of power conversion module 15, battery management module 16 and energy storage module 17, the temperature of the upper surface of the storage battery is monitored by the two thermistors 12 outside cabinet 1, so that the charging and discharging is stopped by control module 14 when the temperature reaches the threshold value, the temperature detector 13 can monitor the temperature of the upper surface of the battery and the side vertical surface, and the control module 14 will also stop the charging and discharging process when the temperature of a certain area in the monitoring range of the temperature detector 13 exceeds the threshold value, the energy storage module 17 can store a part of electric energy during the battery discharging process, which is used for supplying power to the fan 11 during the charging process and providing power failure protection for the equipment.

[0025] The inside of the cabinet body 1 is provided with a heat dissipation mechanism 2, the heat dissipation mechanism 2 comprises a uniform heating plate 21 embeddedly installed above the cabinet body 1, a water channel plate 22 is fixedly installed below the uniform heating plate 21, connecting pipes 23 are fixedly installed on the front and back of the water channel plate 22, a circulating pump 24 is connected to the lower end of the connecting pipes 23, a water tank 25 is connected to one side of the circulating pump 24, heat pipes 26 are insertedly welded on the upper side of the water tank 25, fins 27 are fixedly installed on the outer side of the heat pipes 26, the top end of the water channel plate 22 is fixedly connected with the bottom surface of the uniform heating plate 21, and is fixed with the cabinet body 1 through a support frame below, the inside of the water channel plate 22 is provided with plate-shaped structures installed at equal intervals left and right, and the length of the plate-shaped structures is less than the length of the inner cavity of the water channel plate 22, the front and back of the water channel plate 22 are provided with opening structures embedded with the connecting pipes 23, the front side of the water channel plate 22 is connected with the circulating pump 24 through the connecting pipes 23, the back side is connected with the water tank 25 through the connecting pipes 23, the heat pipes 26 are installed in an array on the upper side of the water tank 25, and the fins 27 are vertically and equidistantly installed on the part of the heat pipes 26 above the water tank 25, and the fins 27 are located between the left and right fans 11 behind the cabinet body 1.

[0026] Specifically, the uniform heating plate 21 can uniformly distribute the heat generated by the battery during charging and discharging, so that the heat is transferred to the refrigerant inside the water channel plate 22, the refrigerant is guided by the plate-shaped structures inside the water channel plate 22 to pass through the bottom of the uniform heating plate 21 uniformly, the refrigerant is transported by the circulating pump 24, when the refrigerant is located inside the water tank 25, the heat pipes 26 will absorb the heat of the refrigerant, and the heat will be taken away from the cabinet body 1 by the air flow between the fins 27, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0027] When working, the temperature measuring instrument 13 points to the center of the uniform heating plate 21, and the temperature of the upper surface of the battery is monitored by the two thermistors 12 outside the cabinet body 1 during use, so that the charging and discharging is stopped by the control module 14 when the temperature reaches the threshold value, the temperature measuring instrument 13 can monitor the temperature of the upper surface of the battery and the side vertical surface, and the control module 14 will also stop the charging and discharging process when the highest temperature of a certain area in the detection range of the temperature measuring instrument 13 exceeds the threshold value, this way can monitor the temperature of the battery in two ways of contact and non-contact during charging and discharging of the battery through the thermistors 12 and the temperature measuring instrument 13, to prevent the situation that a certain area of the battery overheats, the uniform heating plate 21 can uniformly distribute the heat generated by the battery during charging and discharging, so that the heat is transferred to the refrigerant inside the water channel plate 22, the refrigerant is guided by the plate-shaped structures inside the water channel plate 22 to pass through the bottom of the uniform heating plate 21 uniformly, the refrigerant is transported by the circulating pump 24, when the refrigerant is located inside the water tank 25, the heat pipes 26 will absorb the heat of the refrigerant, and the heat will be taken away from the cabinet body 1 by the air flow between the fins 27, to cool the battery, so as to control the temperature of the battery below the temperature threshold, to prevent the equipment from stopping the charging and discharging process due to the temperature rise of the battery.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While embodiments of the present application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since the scope of the application is defined with respect to the appended claims.

Claims

1. A battery charging and discharging device comprising a cabinet (1), characterized in that: The left and right sides of the cabinet (1) are embeddedly installed with fans (11), the outer side of the cabinet (1) is installed with a thermistor (12), the top end of the cabinet (1) is fixedly installed with a temperature measuring instrument (13), and the inside of the cabinet (1) is installed with a heat dissipation mechanism (2). The heat dissipation mechanism (2) comprises a heat plate (21) embeddedly installed above the cabinet (1), a water channel plate (22) fixedly installed below the heat plate (21), connecting pipes (23) fixedly installed on the front and rear sides of the water channel plate (22), a circulating pump (24) connected to the lower end of the connecting pipe (23), a water tank (25) connected to one side of the circulating pump (24), heat pipes (26) penetratingly welded above the water tank (25), and fins (27) fixedly installed on the outer side of the heat pipes (26).

2. The battery charging and discharging device according to claim 1, wherein: The upper side of the cabinet (1) is provided with an opening structure embedded with the heat plate (21), the ten fans (11) are respectively installed on the left and right sides of the cabinet (1), and the inside of the cabinet (1) is fixedly installed with a control module (14), a power conversion module (15), a battery management module (16) and an energy storage module (17).

3. The battery charging and discharging device according to claim 2, wherein: The power conversion module (15) comprises an AC converter and a DC converter, the battery management module (16) comprises a voltage and current monitor, the surfaces of the power conversion module (15) and the battery management module (16) are also installed with thermistors (12), the two thermistors (12) are located on the outer side of the cabinet (1), and the temperature measuring instrument (13) is directed to the center of the heat plate (21).

4. The battery charging and discharging device according to claim 1, wherein: The top end of the water channel plate (22) is fixedly connected with the bottom surface of the heat plate (21), and the lower side is fixed with the cabinet (1) through a support frame, the inside of the water channel plate (22) is provided with plate-shaped structures installed at equal distances on the left and right sides, and the length of the plate-shaped structures is less than the length of the inner cavity of the water channel plate (22), and the front and rear sides of the water channel plate (22) are provided with opening structures embedded with the connecting pipes (23).

5. The battery charging and discharging device according to claim 1, wherein: The front side of the water channel plate (22) is connected with the circulating pump (24) through the connecting pipe (23), the rear side is connected with the water tank (25) through the connecting pipe (23), and the heat pipes (26) are arrayed installed above the water tank (25).

6. The battery charging and discharging device according to claim 1, wherein: The fins (27) are vertically and equidistantly installed on the part of the heat pipes (26) above the water tank (25), and the fins (27) are located between the left and right fans (11) at the back of the cabinet (1).

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