Temperature and humidity control energy storage high-voltage box

Abstract

The utility model relates to the field of battery energy storage, and provides a temperature and humidity control energy storage high-voltage box, which comprises a main control module, a temperature and humidity control module, a state feedback monitoring module, a power input and output module, a pre-charging control module and a serial data communication module, the main control module is in signal connection with the state feedback monitoring module, the power input and output module, the pre-charging control module and the serial data communication module, the temperature and humidity control module is in signal connection with the power input and output module, and the main control module is used for receiving and transmitting control signals; and the temperature and humidity control module is used for collecting temperature data and humidity data in the high-voltage box and respectively driving the fan and the heating plate according to the temperature data and the humidity data. According to the utility model, the temperature and humidity balance in the high-voltage box is effectively maintained, and the safety control of the energy storage high-voltage box is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery energy storage, especially to a temperature and humidity control energy storage high voltage box. BACKGROUND

[0002] At present, battery energy storage technology is widely used in power generation, power transmission, power distribution, power utilization and other aspects, and is applied to frequency modulation, peak regulation, microgrid and user side energy storage and other fields. The main function of the high voltage box of the energy storage battery system is to control the connection or disconnection of the main electric circuit of the battery system, to realize pre-charging, charging and discharging and other functions according to the demand, and to monitor the state of the battery voltage, current, switch and contactor in real time. In the existing high voltage box, there is generally a lack of protection measures for the temperature and humidity of the internal circuit of the high voltage box, which poses a safety hazard to the entire energy storage system.

[0003] Chinese patent with publication number CN112653100A discloses an energy storage system high voltage box, which includes a main contactor, a pre-charging positive contactor, a pre-charging negative contactor, a pre-charging resistor, an intermediate relay and a battery management system, which reduces the safety hazard when the control circuit is shaking, however, the energy storage high voltage box lacks control measures for the temperature and humidity of the internal circuit of the energy storage high voltage box, which may cause overheating or corrosion of electronic components, reducing the service life of the energy storage high voltage box. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a temperature and humidity control energy storage high voltage box to solve the problem that the existing energy storage high voltage box lacks control measures for the temperature and humidity of the internal circuit of the energy storage high voltage box, which may cause overheating or corrosion of electronic components, reducing the service life of the energy storage high voltage box.

[0005] The technical scheme of the utility model is as follows: a temperature and humidity control energy storage high voltage box, the energy storage high voltage box includes a main control module, a state feedback monitoring module, a power input and output module, a pre-charging control module and a serial data communication module, the main control module is respectively connected with a temperature and humidity control module, a state feedback monitoring module, a power input and output module, a pre-charging control module and a serial data communication module, the temperature and humidity control module is connected with the power input and output module, wherein,

[0006] The main control module is used for receiving and transmitting control signals;

[0007] The temperature and humidity control module is used for collecting temperature data and humidity data inside the high voltage box, and driving the fan and the heating plate according to the temperature data and the humidity data respectively.

[0008] On the basis of the above technical scheme, preferably, the main control module includes a main control chip BCU01C, connectors J1-J6, a resistor R16 and a resistor R17.

[0009] Pin 1 of connector J4 is electrically connected to one end of resistor R16, pin 2 of connector J4 is electrically connected to one end of resistor R17, pin 1 of connector J6 receives HV-BUS1+ voltage, pin 2 of connector J6 receives HV-BUS1- voltage, pin 3 of connector J6 receives HV-CURR- voltage, and pin 4 of connector J6 receives HV-CURR+ voltage.

[0010] Based on the above technical solutions, preferably, the temperature and humidity control module includes a temperature sensor WSK, a switch DL2, a thermistor RH, a thermistor RT, a fan F3, a heating plate L3, a temperature controller U1, and a double-throw switch DL1.

[0011] Pin 1 of temperature sensor WSK is electrically connected to one end of the thermistor RH; pin 2 of temperature sensor WSK is electrically connected to the other end of the thermistor RH; pin 3 of temperature sensor WSK is electrically connected to one end of the thermistor RT; pin 4 of temperature sensor WSK is electrically connected to the other end of the thermistor RT; pin 6 of temperature sensor WSK is electrically connected to pin 2 of heating plate L3; pin 7 of temperature sensor WSK is electrically connected to pin 2 of fan F3; pin 8 of temperature sensor WSK is electrically connected to pin 1 of fan F3 and pin 1 of heating plate L3 respectively; pin 9 of temperature sensor WSK is electrically connected to the first end of double-throw switch DL1; pin 10 of temperature sensor WSK is electrically connected to one end of switch DL2; and the other end of switch DL2 is electrically connected to the second end of double-throw switch DL1.

[0012] Based on the above technical solutions, preferably, the power input and output module includes a fuse F2, resistors R22-R26, a DC-DC converter U2, a power input interface U3, and a power output interface U4;

[0013] The pin 18 of the connector J1 is electrically connected with one end of the fuse F2, the pin 38 of the connector J1 is electrically connected with one end of the resistor R22, the other end of the resistor R22 is grounded, the pin 19 of the connector J1 is electrically connected with one end of the resistor R23, the pin 39 of the connector J1 is electrically connected with one end of the resistor R24, the pin 20 of the connector J1 is electrically connected with one end of the resistor R25, the pin 40 of the connector J1 is electrically connected with one end of the resistor R26, the other end of the fuse F2, the other end of the resistor R23 and the other end of the resistor R25 are electrically connected with the pin 1 of the DC-DC converter U2, the other end of the resistor R24 and the other end of the resistor R26 are electrically connected with the pin 2 of the DC-DC converter U2, the firewire of the power input interface U3 and the firewire of the power output interface U4 are electrically connected with the third end of the double throw switch DL1, the zero line of the power input interface U3 and the zero line of the power output interface U4 are electrically connected with the fourth end of the double throw switch DL1, the ground wire of the power input interface U3 and the ground wire of the power output interface U4 are electrically connected with the pin 3 of the DC-DC converter U2.

[0014] On the basis of the above technical scheme, preferably, the pre-charging control module comprises a negative relay brake coil Y1, a positive relay brake coil Y2, a pre-charging relay brake coil Y3, resistors R17-R21.

[0015] The pin 15 of the connector J1 is electrically connected with one end of the resistor R17, the other end of the resistor R17 is electrically connected with one end of the negative relay brake coil Y1, the pin 16 of the connector J1 is electrically connected with one end of the resistor R18, the other end of the resistor R18 is electrically connected with one end of the positive relay brake coil Y2, the pin 17 of the connector J1 is electrically connected with one end of the resistor R20, the other end of the resistor R20 is electrically connected with one end of the pre-charging relay brake coil Y3, the pin 36 of the connector J1 is electrically connected with one end of the resistor R19, the other end of the resistor R19 is electrically connected with the other end of the negative relay brake coil Y1, the pin 37 of the connector J1 is electrically connected with one end of the resistor R21, the other end of the resistor R21 is electrically connected with the other end of the pre-charging relay brake coil Y3 and the other end of the positive relay brake coil Y2 respectively.

[0016] On the basis of the above technical scheme, preferably, the serial data communication module comprises a signal common port U8, a CAN bus input interface U7, a CAN bus test interface U6, a CAN bus output interface U5, resistors R29-R32.

[0017] The pin 6 of the connector J2 is electrically connected with one end of the resistor R29, the other end of the resistor R29 is electrically connected with the pin 1 of the signal common port U8, the pin 20 of the connector J2 is electrically connected with one end of the resistor R30, the other end of the resistor R30 is electrically connected with the pin 2 of the signal common port U8, the pin 10 of the connector J2 is electrically connected with one end of the resistor R31, the other end of the resistor R31 is electrically connected with the pin 1 of the CAN bus input interface U7, the pin 1 of the CAN bus test interface U6 and the pin 1 of the CAN bus output interface U5 respectively, the pin 24 of the connector J2 is electrically connected with one end of the resistor R32, the other end of the resistor R32 is electrically connected with the pin 2 of the CAN bus input interface U7, the pin 2 of the CAN bus test interface U6 and the pin 2 of the CAN bus output interface U5 respectively, the pin 4-5 of the signal common port U8 and the pin 4 of the CAN bus input interface U7 are connected with 24V+ voltage, the pin 6 of the signal common port U8 and the pin 3 of the CAN bus input interface U7 are connected with 24V-voltage.

[0018] On the basis of the above technical scheme, preferably, the state feedback monitoring module comprises resistors R1-R10, a red fault lamp L1, a green running lamp L2, thermistors NTC1 and NTC2:P+, thermistors NTC2:P-.

[0019] The pin 1 of the connector J1 is electrically connected with one end of the resistor R1, the other end of the resistor R1 is electrically connected with the thermistor NTC1, the pin 2 of the connector J2 is electrically connected with one end of the resistor R2, the other end of the resistor R2 is electrically connected with the thermistor NTC2:P+, the pin 22 of the connector J1 is electrically connected with one end of the resistor R3, the other end of the resistor R3 is electrically connected with the thermistor NTC2:P-, the pin 6 of the connector J1 is electrically connected with one end of the resistor R4, the pin 26 of the connector J1 is electrically connected with one end of the resistor R5, the pin 7 of the connector J1 is electrically connected with one end of the resistor R6, the pin 27 of the connector J1 is electrically connected with one end of the resistor R7, the other end of the resistor R4 is electrically connected with the other end of the resistor R6 and the other end of the resistor R7 respectively, the pin 12 of the connector J1 is electrically connected with one end of the resistor R8, the pin 32 of the connector J1 is electrically connected with one end of the resistor R9, the pin 13 of the connector J1 is electrically connected with one end of the resistor R10, the other end of the resistor R8 is electrically connected with one end of the red fault lamp L1, the other end of the resistor R10 is electrically connected with one end of the green running lamp L2, the other end of the red fault lamp L1 is electrically connected with the other end of the resistor R9 and the other end of the green running lamp L2 respectively.

[0020] On the basis of the above technical scheme, preferably, it further comprises a pre-charging cooperative control module, the pre-charging cooperative control module comprises a positive electrode relay K1, a negative electrode relay K2, resistors R11-R15, a positive electrode terminal B+, a positive electrode terminal P+, a fuse F1 and a circuit breaker S1.

[0021] Pin 1 of the connector J3 is electrically connected with one end of the resistor R12, pin 2 of the connector J3 is electrically connected with one end of the resistor R13, the other end of the resistor R13 is electrically connected with one end of the resistor R11, one end of the positive electrode relay K1 and the positive electrode terminal P+ respectively, pin 4 of the connector J5 is electrically connected with one end of the resistor R14, pin 2 of the connector J5 is electrically connected with one end of the resistor R15, the other end of the resistor R15 is electrically connected with one end of the fuse F1, the other end of the positive electrode relay K1 and one end of the negative electrode relay K2 respectively, the other end of the negative electrode relay K2 is electrically connected with the other end of the resistor R11, the other end of the fuse F1 is electrically connected with one end of the circuit breaker S1, and the other end of the circuit breaker S1 is electrically connected with the positive electrode terminal B+.

[0022] The temperature and humidity control energy storage high-voltage box has the following beneficial effects compared with the prior art.

[0023] (1) The main control module is connected with the temperature and humidity control module, the state feedback monitoring module, the power input and output module, the pre-charging control module and the serial data communication module, the temperature and humidity control module is used for collecting the temperature and humidity data in the high-voltage box in real time, and the fan and the heating plate are driven and adjusted according to the data, so that the temperature and humidity balance in the high-voltage box is effectively maintained, the safety and stability of equipment operation are ensured, and the safe management and control of the energy storage high-voltage box are realized. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0025] Figure 1 The system structure diagram of the temperature and humidity control energy storage high-voltage box of the present application is shown in the figure.

[0026] Figure 2 The circuit wiring diagram of the temperature and humidity control energy storage high-voltage box of the present application is shown in the figure.

[0027] Figure 3 The circuit wiring diagram of another embodiment of the temperature and humidity control energy storage high-voltage box of the present application is shown in the figure.

[0028] Figure 4 This is a circuit wiring diagram of another embodiment of the temperature and humidity control energy storage high-voltage box of this utility model. Detailed Implementation

[0029] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0030] Please see Figure 1 A temperature and humidity controlled high-voltage energy storage box is provided. The high-voltage energy storage box includes a main control module, a temperature and humidity control module, a status feedback monitoring module, a power input and output module, a pre-charge control module, and a serial data communication module. The main control module is signal-connected to the status feedback monitoring module, the power input and output module, the pre-charge control module, and the serial data communication module. The temperature and humidity control module is signal-connected to the power input and output module.

[0031] The main control module is used to receive and transmit control signals;

[0032] The temperature and humidity control module is used to collect temperature and humidity data inside the high-pressure box, and drive the fan and heating plate respectively based on the temperature and humidity data.

[0033] Specifically, in this embodiment, the main control module is connected to the temperature and humidity control module, the status feedback monitoring module, the power input and output module, the pre-charge control module, and the serial data communication module. The temperature and humidity control module collects the temperature and humidity data inside the high-voltage box in real time, and drives the fan and heating plate to adjust according to the data, effectively maintaining the temperature and humidity balance inside the high-voltage box, ensuring the safety and stability of the equipment operation, and realizing the safe management and control of the energy storage high-voltage box.

[0034] like Figures 2-4 As shown, the main control module includes a main control chip BCU01C, connectors J1-J6, resistor R16, and resistor R17.

[0035] Pin 1 of connector J4 is electrically connected to one end of resistor R16, pin 2 of connector J4 is electrically connected to one end of resistor R17, pin 1 of connector J6 receives HV-BUS1+ voltage, pin 2 of connector J6 receives HV-BUS1- voltage, pin 3 of connector J6 receives HV-CURR- voltage, and pin 4 of connector J6 receives HV-CURR+ voltage.

[0036] Specifically, the high-voltage voltage signals (HV-BUS1+ and HV-BUS1-) are input through the pins 1 and 2 of the connector J6, and the high-voltage current signals (HV-CURR- and HV-CURR+) are input through the pins 3 and 4 of the connector J6, respectively, so that the high-voltage voltage and current are completely collected. By adding resistors R16 and R17, the functions of voltage division and current limiting are achieved, which ensures the stability and safety of the signals and provides a suitable signal range for the main control chip.

[0037] The pins 1 and 2 of the connector J4 are electrically connected to one end of the resistors R16 and R17, respectively, forming an input channel for high-voltage signals, which avoids the direct entry of high-voltage into the main control chip and improves the safety of the circuit.

[0038] The main control chip BCU01C can monitor the running state of the energy storage high-voltage box in real time by collecting high-voltage voltage and current signals, and timely detect abnormal conditions (such as overvoltage and overcurrent), so as to realize the protection and control of the system.

[0039] As shown in Figure 2-3 The temperature and humidity control module includes a temperature sensor WSK, a switch DL2, a thermistor RH, a thermistor RT, a fan F3, a heating plate L3, a temperature controller U1, and a double-pole switch DL1.

[0040] The pin 1 of the temperature sensor WSK is electrically connected to one end of the thermistor RH, the pin 2 of the temperature sensor WSK is electrically connected to the other end of the thermistor RH, the pin 3 of the temperature sensor WSK is electrically connected to one end of the thermistor RT, the pin 4 of the temperature sensor WSK is electrically connected to the other end of the thermistor RT, the pin 6 of the temperature sensor WSK is electrically connected to the pin 2 of the heating plate L3, the pin 7 of the temperature sensor WSK is electrically connected to the pin 2 of the fan F3, the pin 8 of the temperature sensor WSK is electrically connected to the pin 1 of the fan F3 and the pin 1 of the heating plate L3, respectively, the pin 9 of the temperature sensor WSK is electrically connected to the first end of the double-pole switch DL1, the pin 10 of the temperature sensor WSK is electrically connected to one end of the switch DL2, and the other end of the switch DL2 is electrically connected to the second end of the double-pole switch DL1.

[0041] Specifically, the temperature sensor WSK, the thermistors RH and RT, the fan F3, the heating plate L3, and other devices are reasonably configured to build a complete temperature and humidity detection and adjustment system. The double-pole switch DL1 and the switch DL2 are set to realize flexible control and switching of the system.

[0042] The temperature sensor WSK cooperates with two thermistors (RH and RT) to

[0043] The pin 1-2 of the WSK is connected with the temperature-sensitive resistor RH for humidity detection; the pin 3-4 of the WSK is connected with the temperature-sensitive resistor RT for temperature detection; the double detection improves the accuracy and reliability of the temperature and humidity data.

[0044] The pins 6, 7 and 8 of the temperature sensor WSK are respectively connected with the heating plate L3 and the fan F3:

[0045] The pin 6 controls the operation of the heating plate L3; the pin 7 controls the operation of the fan F3; and the pin 8 is used as a common port to realize the cooperative work of heating and cooling.

[0046] The pins 9 and 10 of the temperature sensor WSK are connected through the double-throw switch DL1 and the switch DL2, and a complete control loop is constructed, which can flexibly switch the working mode according to the actual demand, and ensures the timeliness and accuracy of the temperature and humidity adjustment.

[0047] The embodiment realizes the real-time monitoring and intelligent adjustment of the temperature and humidity inside the energy storage high-voltage box through the precise cooperation of the temperature sensor, the temperature-sensitive resistor, the fan and the heating plate, effectively ensures the operation of the equipment under the best temperature and humidity environment, and improves the reliability and service life of the system.

[0048] As shown in Figure 2-3 The power input and output module includes a fuse F2, resistors R22-R26, a DC-DC converter U2, a power input interface U3 and a power output interface U4.

[0049] The pin 18 of the connector J1 is electrically connected with one end of the fuse F2, the pin 38 of the connector J1 is electrically connected with one end of the resistor R22, the other end of the resistor R22 is grounded, the pin 19 of the connector J1 is electrically connected with one end of the resistor R23, the pin 39 of the connector J1 is electrically connected with one end of the resistor R24, the pin 20 of the connector J1 is electrically connected with one end of the resistor R25, the pin 40 of the connector J1 is electrically connected with one end of the resistor R26, the other end of the fuse F2, the other end of the resistor R23 and the other end of the resistor R25 are electrically connected with the pin 1 of the DC-DC converter U2, the other end of the resistor R24 and the other end of the resistor R26 are electrically connected with the pin 2 of the DC-DC converter U2, the firewire of the power input interface U3 and the firewire of the power output interface U4 are electrically connected with the third end of the double-throw switch DL1, the zero line of the power input interface U3 and the zero line of the power output interface U4 are electrically connected with the fourth end of the double-throw switch DL1, and the ground wire of the power input interface U3 and the ground wire of the power output interface U4 are electrically connected with the pin 3 of the DC-DC converter U2.

[0050] Specifically, the present embodiment provides over-current protection for the system by connecting the fuse F2 with the pin 18 of the connector J1, preventing damage to the subsequent circuit when the power supply is abnormal. The configuration of resistors R22-R26 forms a complete voltage division and current limiting protection network, improving the stability and reliability of the power input and output.

[0051] The role of the DC-DC converter U2:

[0052] The voltage level conversion and voltage stabilization functions are realized, and through the reasonable connection of pins 1, 2, and 3, the stability of the output voltage is ensured. In cooperation with the fuse F2 and multiple resistors, a complete power management system is constructed.

[0053] The power input and output interface (U3, U4) realizes flexible switching of input and output through the double-pole switch DL1, and the ground wire is connected with the pin 3 of the DC-DC converter U2, ensuring reliable system grounding.

[0054] The pins 18, 38, 19, 39, 20, and 40 of the connector J1 are respectively connected with different resistors, forming a complete signal processing network to ensure accurate transmission and processing of power signals.

[0055] As shown in Figure 2-3 The pre-charge control module includes a negative relay coil Y1, a positive relay coil Y2, a pre-charge relay coil Y3, and resistors R17-R21.

[0056] The pin 15 of the connector J1 is electrically connected with one end of the resistor R17, the other end of the resistor R17 is electrically connected with one end of the negative relay coil Y1, the pin 16 of the connector J1 is electrically connected with one end of the resistor R18, the other end of the resistor R18 is electrically connected with one end of the positive relay coil Y2, the pin 17 of the connector J1 is electrically connected with one end of the resistor R20, the other end of the resistor R20 is electrically connected with one end of the pre-charge relay coil Y3, the pin 36 of the connector J1 is electrically connected with one end of the resistor R19, the other end of the resistor R19 is electrically connected with the other end of the negative relay coil Y1, the pin 37 of the connector J1 is electrically connected with one end of the resistor R21, and the other end of the resistor R21 is electrically connected with the other end of the pre-charge relay coil Y3 and the other end of the positive relay coil Y2, respectively.

[0057] Specifically, the present embodiment ensures the safety and reliability of the pre-charge process through the cooperation of the negative relay coil Y1, the positive relay coil Y2, and the pre-charge relay coil Y3. Resistors R17-R21 form a complete current limiting protection network, and each relay coil is equipped with a corresponding protection resistor, effectively preventing over-current damage to the relay coil.

[0058] The pin 15 of the connector J1 controls the negative relay Y1 through R17, the pin 16 controls the positive relay Y2 through R18, the pin 17 controls the pre-charge relay Y3 through R20, and the pins 36 and 37 provide feedback control through R19 and R21 respectively, so as to realize accurate control and state monitoring of the three relays.

[0059] The relay coil is connected to the other end of the pre-charge relay Y3 and the positive relay Y2 through the resistor R21, so as to realize cooperative control of pre-charge and main loop switching and ensure smooth pre-charge process.

[0060] As shown in Figure 2 and Figure 4 The serial data communication module includes a signal common port U8, a CAN bus input interface U7, a CAN bus test interface U6, a CAN bus output interface U5, and resistors R29-R32.

[0061] The pin 6 of the connector J2 is electrically connected to one end of the resistor R29, the other end of the resistor R29 is electrically connected to the pin 1 of the signal common port U8, the pin 20 of the connector J2 is electrically connected to one end of the resistor R30, the other end of the resistor R30 is electrically connected to the pin 2 of the signal common port U8, the pin 10 of the connector J2 is electrically connected to one end of the resistor R31, the other end of the resistor R31 is electrically connected to the pin 1 of the CAN bus input interface U7, the pin 1 of the CAN bus test interface U6 and the pin 1 of the CAN bus output interface U5 respectively, the pin 24 of the connector J2 is electrically connected to one end of the resistor R32, the other end of the resistor R32 is electrically connected to the pin 2 of the CAN bus input interface U7, the pin 2 of the CAN bus test interface U6 and the pin 2 of the CAN bus output interface U5 respectively, the pins 4-5 of the signal common port U8 and the pin 4 of the CAN bus input interface U7 are connected to 24V+ voltage, and the pin 6 of the signal common port U8 and the pin 3 of the CAN bus input interface U7 are connected to 24V- voltage.

[0062] Specifically, the embodiment adopts a multiple CAN bus interface design, and the CAN bus input interface U7, the CAN bus test interface U6, the CAN bus output interface U5 and the signal common port U8 together realize complete coverage of input, output and test functions of data communication.

[0063] The resistors R29-R32 form a complete signal conditioning network, protect the signal transmission line, prevent signal interference and distortion, and improve communication quality and reliability.

[0064] The pin 6 of the connector J2 is connected with the pin 1 of the signal common port U8 through R29, the pin 20 is connected with the pin 2 of the signal common port U8 through R30, the pin 10 is connected with the pin 1 of the three CAN bus interfaces through R31, and the pin 24 is connected with the pin 2 of the three CAN bus interfaces through R32, so that the stable transmission and multi-way distribution of signals are realized.

[0065] The pins 4-5 of the signal common port U8 and the pin 4 of the CAN bus input interface U7 are connected with 24V+, and the pin 6 of the signal common port U8 and the pin 3 of the CAN bus input interface U7 are connected with 24V-, so that the stable power supply of the communication module is ensured.

[0066] As shown in Figure 2 The state feedback monitoring module includes resistors R1-R10, a red fault light L1, a green running light L2, temperature-sensitive resistors NTC1, NTC2:P+ and NTC2:P-.

[0067] The pin 1 of the connector J1 is electrically connected with one end of the resistor R1, the other end of the resistor R1 is electrically connected with the temperature-sensitive resistor NTC1, the pin 2 of the connector J2 is electrically connected with one end of the resistor R2, the other end of the resistor R2 is electrically connected with the temperature-sensitive resistor NTC2:P+, the pin 22 of the connector J1 is electrically connected with one end of the resistor R3, the other end of the resistor R3 is electrically connected with the temperature-sensitive resistor NTC2:P-, the pin 6 of the connector J1 is electrically connected with one end of the resistor R4, the pin 26 of the connector J1 is electrically connected with one end of the resistor R5, the pin 7 of the connector J1 is electrically connected with one end of the resistor R6, the pin 27 of the connector J1 is electrically connected with one end of the resistor R7, the other end of the resistor R4 is electrically connected with the other end of the resistor R6 and the other end of the resistor R7 respectively, the pin 12 of the connector J1 is electrically connected with one end of the resistor R8, the pin 32 of the connector J1 is electrically connected with one end of the resistor R9, the pin 13 of the connector J1 is electrically connected with one end of the resistor R10, the other end of the resistor R8 is electrically connected with one end of the red fault light L1, the other end of the resistor R10 is electrically connected with one end of the green running light L2, and the other end of the red fault light L1 is electrically connected with the other end of the resistor R9 and the other end of the green running light L2 respectively.

[0068] Specifically, the multiple temperature-sensitive resistors are configured, including the temperature-sensitive resistors NTC1, NTC2:P+ and NTC2:P-, and the multiple temperature-sensitive resistors work cooperatively to realize the multi-point monitoring and accurate measurement of temperature.

[0069] The red fault light L1 is used for indicating the fault state, and the green running light L2 is used for indicating the normal running state, so that the running state of the equipment is directly displayed through the indicating lights of different colors.

[0070] The resistors R1-R10 form a complete signal conditioning network, the resistors R1-R3 are matched with three temperature sensitive resistors respectively to ensure accurate collection of temperature signals, the resistors R4-R7 constitute a signal processing circuit, and the resistors R8-R10 are used for driving and protecting the indicator light.

[0071] The J1 and J2 connectors input the temperature signals through pins 1, 2, 22, transmit the state signals through pins 6, 7, 26, 27, and control the indicator light through pins 12, 13, 32, so as to realize orderly transmission and processing of the signals.

[0072] The embodiment also includes a pre-charging cooperative control module, which comprises a positive relay K1, a negative relay K2, resistors R11-R15, a positive terminal B+, a positive terminal P+, a fuse F1, and a breaker S1.

[0073] As shown in Figure 2 Fig. 3, the pin 1 of the connector J3 is electrically connected with one end of the resistor R12, the pin 2 of the connector J3 is electrically connected with one end of the resistor R13, the other end of the resistor R13 is electrically connected with one end of the resistor R11, one end of the positive relay K1, and the positive terminal P+ respectively, the pin 4 of the connector J5 is electrically connected with one end of the resistor R14, the pin 2 of the connector J5 is electrically connected with one end of the resistor R15, the other end of the resistor R15 is electrically connected with one end of the fuse F1, the other end of the positive relay K1, and one end of the negative relay K2 respectively, the other end of the negative relay K2 is electrically connected with the other end of the resistor R11, the other end of the fuse F1 is electrically connected with one end of the breaker S1, and the other end of the breaker S1 is electrically connected with the positive terminal B+.

[0074] Specifically, the embodiment provides multiple protection devices, the fuse F1 provides overcurrent protection, the breaker S1 provides emergency disconnect protection, the positive relay K1 and the negative relay K2 provide double switching protection, and a complete pre-charging protection system is formed.

[0075] The resistors R11-R15 form a complete signal conditioning and protection network, which prevents impact current in the pre-charging process and protects safe operation of each device.

[0076] The positive terminal B+ and the positive terminal P+ realize separate control of the pre-charging circuit and the main circuit, and improve the safety and reliability of the system.

[0077] The pins 1, 2 of the connector J3 control the positive terminal through R12, R13 respectively, and the pins 2, 4 of the connector J5 control the negative terminal through R14, R15 respectively, so as to realize cooperative control of the pre-charging process.

[0078] In a specific embodiment, the overall use process steps of the temperature and humidity control energy storage high voltage box include:

[0079] I. System startup phase

[0080] (1) Power-on initialization

[0081] Connect the power supply through the power input interface U3, the DC-DC converter U2 performs voltage conversion and voltage stabilization, and the main control chip BCU01C completes system initialization.

[0082] (2) Pre-charge start-up process

[0083] The pre-charge control module activates the relays in order:

[0084] First, close the pre-charge relay Y3, then close the negative relay Y1 and the positive relay Y2 in turn;

[0085] Protection is performed through the circuit breaker S1 and the fuse F1, and the pre-charge process of the high voltage loop is completed.

[0086] II. Normal operation phase

[0087] (1) Temperature and humidity monitoring and control

[0088] The temperature sensor WSK collects real-time temperature and humidity data in the box:

[0089] The humidity is monitored by the temperature-sensitive resistor RH, and the temperature is monitored by the temperature-sensitive resistor RT;

[0090] Automatic control according to monitoring data:

[0091] When the temperature is too high, start the fan F3, and when the temperature is too low, start the heating plate L3.

[0092] (2) State monitoring and display

[0093] Temperature is monitored at multiple points by temperature-sensitive resistors NTC1, NTC2: P+, NTC2: P-

[0094] State indication:

[0095] The green running light L2 indicates normal operation, and the red fault light L1 indicates an abnormal state.

[0096] (3) High voltage monitoring

[0097] The main control module monitors in real time:

[0098] The voltage of HV-BUS1+ and HV-BUS1-, and the current of HV-CURR+ and HV-CURR-.

[0099] (4) Data communication

[0100] Real-time transmission of operation data, reception of control instructions, feedback of system status through CAN bus interface (U5, U6, U7) :

[0101] Real-time transmission of operation data, reception of control instructions, feedback of system status through CAN bus interface (U5, U6, U7) :

[0102] Three, abnormal protection mechanism

[0103] (1) Overcurrent protection

[0104] Fuse F1, F2 automatic disconnection protection, circuit breaker S1 provides emergency disconnect function.

[0105] (2) Temperature abnormal protection

[0106] When the temperature is out of limit, the corresponding adjustment device is automatically started, and the alarm is triggered and displayed when the abnormality is serious.

[0107] (3) Pre-charge abnormal protection

[0108] The pre-charge voltage and current are monitored, and the related relay is automatically disconnected when abnormal.

[0109] Four, system shutdown process

[0110] (1) Normal shutdown

[0111] Disconnect the relay in order:

[0112] First disconnect the positive relay K1, then disconnect the negative relay K2;

[0113] Turn off the temperature and humidity control device, and disconnect the power input.

[0114] (2) Emergency shutdown

[0115] Immediately disconnect the circuit breaker S1, cut off all relays, and the system enters the protection state.

[0116] The above only describes the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A temperature and humidity controlled energy storage high-voltage box, characterized in that, The energy storage high-voltage box includes a main control module, a temperature and humidity control module, a status feedback monitoring module, a power input and output module, a pre-charge control module, and a serial data communication module. The main control module is signal-connected to the status feedback monitoring module, the power input and output module, the pre-charge control module, and the serial data communication module. The temperature and humidity control module is signal-connected to the power input and output module. The main control module is used to receive and transmit control signals; The temperature and humidity control module is used to collect temperature and humidity data inside the high-pressure box, and drive the fan and heating plate respectively based on the temperature and humidity data.

2. The temperature and humidity controlled high-voltage energy storage box as described in claim 1, characterized in that, The main control module includes a main control chip BCU01C, connectors J1-J6, resistor R16, and resistor R17. Pin 1 of connector J4 is electrically connected to one end of resistor R16, pin 2 of connector J4 is electrically connected to one end of resistor R17, pin 1 of connector J6 receives HV-BUS1+ voltage, pin 2 of connector J6 receives HV-BUS1- voltage, pin 3 of connector J6 receives HV-CURR- voltage, and pin 4 of connector J6 receives HV-CURR+ voltage.

3. The temperature and humidity controlled high-voltage energy storage box as described in claim 2, characterized in that, The temperature and humidity control module includes a temperature sensor WSK, a switch DL2, a thermistor RH, a thermistor RT, a fan F3, a heating plate L3, a temperature controller U1, and a double-throw switch DL1; Pin 1 of temperature sensor WSK is electrically connected to one end of the thermistor RH; pin 2 of temperature sensor WSK is electrically connected to the other end of the thermistor RH; pin 3 of temperature sensor WSK is electrically connected to one end of the thermistor RT; pin 4 of temperature sensor WSK is electrically connected to the other end of the thermistor RT; pin 6 of temperature sensor WSK is electrically connected to pin 2 of heating plate L3; pin 7 of temperature sensor WSK is electrically connected to pin 2 of fan F3; pin 8 of temperature sensor WSK is electrically connected to pin 1 of fan F3 and pin 1 of heating plate L3 respectively; pin 9 of temperature sensor WSK is electrically connected to the first end of double-throw switch DL1; pin 10 of temperature sensor WSK is electrically connected to one end of switch DL2; and the other end of switch DL2 is electrically connected to the second end of double-throw switch DL1.

4. The temperature and humidity controlled high-voltage energy storage box as described in claim 3, characterized in that, The power input and output module includes a fuse F2, resistors R22-R26, a DC-DC converter U2, a power input interface U3, and a power output interface U4; Pin 18 of connector J1 is electrically connected to one end of fuse F2; pin 38 of connector J1 is electrically connected to one end of resistor R22, with the other end of resistor R22 grounded; pin 19 of connector J1 is electrically connected to one end of resistor R23; pin 39 of connector J1 is electrically connected to one end of resistor R24; pin 20 of connector J1 is electrically connected to one end of resistor R25; pin 40 of connector J1 is electrically connected to one end of resistor R26; and the other ends of fuse F2, resistor R23, and resistor R25 are all... The power input interface U3 and the power output interface U4 are electrically connected to pin 1 of the DC-DC converter U2. The other ends of resistors R24 and R26 are both electrically connected to pin 2 of the DC-DC converter U2. The live wires of the power input interface U3 and the power output interface U4 are both electrically connected to the third terminal of the double-throw switch DL1. The neutral wires of the power input interface U3 and the power output interface U4 are both electrically connected to the fourth terminal of the double-throw switch DL1. The ground wires of the power input interface U3 and the power output interface U4 are both electrically connected to pin 3 of the DC-DC converter U2.

5. A temperature and humidity controlled high-voltage energy storage box as described in claim 2, characterized in that, The precharge control module includes a negative relay braking coil Y1, a positive relay braking coil Y2, a precharge relay braking coil Y3, and resistors R17-R21; Pin 15 of connector J1 is electrically connected to one end of resistor R17, and the other end of resistor R17 is electrically connected to one end of the negative relay braking coil Y1. Pin 16 of connector J1 is electrically connected to one end of resistor R18, and the other end of resistor R18 is electrically connected to one end of the positive relay braking coil Y2. Pin 17 of connector J1 is electrically connected to one end of resistor R20, and the other end of resistor R20 is electrically connected to one end of the precharge relay braking coil Y3. Pin 36 of connector J1 is electrically connected to one end of resistor R19, and the other end of resistor R19 is electrically connected to the other end of the negative relay braking coil Y1. Pin 37 of connector J1 is electrically connected to one end of resistor R21, and the other end of resistor R21 is electrically connected to the other ends of both the precharge relay braking coil Y3 and the positive relay braking coil Y2.

6. The temperature and humidity controlled high-voltage energy storage box as described in claim 2, characterized in that, The serial data communication module includes a signal common port U8, a CAN bus input interface U7, a CAN bus test interface U6, a CAN bus output interface U5, and resistors R29-R32. Pin 6 of connector J2 is electrically connected to one end of resistor R29, and the other end of resistor R29 is electrically connected to pin 1 of signal common port U8. Pin 20 of connector J2 is electrically connected to one end of resistor R30, and the other end of resistor R30 is electrically connected to pin 2 of signal common port U8. Pin 10 of connector J2 is electrically connected to one end of resistor R31, and the other end of resistor R31 is electrically connected to pin 1 of CAN bus input interface U7, pin 1 of CAN bus test interface U6, and pin 1 of CAN bus output interface U5, respectively. Pin 24 of connector J2 is electrically connected to one end of resistor R32, and the other end of resistor R32 is electrically connected to pin 2 of CAN bus input interface U7, pin 2 of CAN bus test interface U6, and pin 2 of CAN bus output interface U5, respectively. Pins 4-5 of signal common port U8 and pin 4 of CAN bus input interface U7 are both connected to 24V+ voltage, and pin 6 of signal common port U8 and pin 3 of CAN bus input interface U7 are both connected to 24V- voltage.

7. The temperature and humidity controlled high-voltage energy storage box as described in claim 2, characterized in that, The status feedback monitoring module includes resistors R1-R10, a red fault light L1, a green running light L2, a temperature-sensitive resistor NTC1, a temperature-sensitive resistor NTC2:P+, and a temperature-sensitive resistor NTC2:P-. Pin 1 of connector J1 is electrically connected to one end of resistor R1, and the other end of resistor R1 is electrically connected to the temperature-sensitive resistor NTC1. Pin 2 of connector J2 is electrically connected to one end of resistor R2, and the other end of resistor R2 is electrically connected to the temperature-sensitive resistor NTC2:P+. Pin 22 of connector J1 is electrically connected to one end of resistor R3, and the other end of resistor R3 is electrically connected to the temperature-sensitive resistor NTC2:P-. Pin 6 of connector J1 is electrically connected to one end of resistor R4. Pin 26 of connector J1 is electrically connected to one end of resistor R5. Pin 7 of connector J1 is electrically connected to one end of resistor R6. Pin 27 of connector J1 is electrically connected to one end of resistor R7. The other end of resistor R4 is electrically connected to the other ends of resistor R6 and resistor R7 respectively. Pin 12 of connector J1 is electrically connected to one end of resistor R8. Pin 32 of connector J1 is electrically connected to one end of resistor R9. Pin 13 of connector J1 is electrically connected to one end of resistor R10. The other end of resistor R8 is electrically connected to one end of red fault light L1. The other end of resistor R10 is electrically connected to one end of green running light L2. The other end of red fault light L1 is electrically connected to the other ends of resistor R9 and green running light L2 respectively.

8. The temperature and humidity controlled high-voltage energy storage box as described in claim 2, characterized in that, It also includes a pre-charge coordination control module, which includes a positive relay K1, a negative relay K2, resistors R11-R15, a positive terminal B+, a positive terminal P+, a fuse F1, and a circuit breaker S1. Pin 1 of connector J3 is electrically connected to one end of resistor R12. Pin 2 of connector J3 is electrically connected to one end of resistor R13. The other end of resistor R13 is electrically connected to one end of resistor R11, one end of positive relay K1, and the positive terminal P+. Pin 4 of connector J5 is electrically connected to one end of resistor R14. Pin 2 of connector J5 is electrically connected to one end of resistor R15. The other end of resistor R15 is electrically connected to one end of fuse F1, the other end of positive relay K1, and one end of negative relay K2. The other end of negative relay K2 is electrically connected to the other end of resistor R11. The other end of fuse F1 is electrically connected to one end of circuit breaker S1. The other end of circuit breaker S1 is electrically connected to the positive terminal B+.

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