CN-117572907-B - High-voltage board control system

Abstract

The invention discloses a high-voltage cabinet control system which comprises an indoor temperature sensor, an indoor heat exchanger, a single-chamber heat exchange medium circulation conveying pipe, an outdoor heat exchanger, a single-chamber heat exchange medium circulation conveying pump, a single-chamber heat exchange medium circulation conveying valve, a multi-chamber heat exchange medium circulation conveying pipe, a multi-chamber heat exchange medium circulation conveying pump, a multi-chamber heat exchange medium circulation conveying valve, a main heat exchanger, a heat exchange medium circulation conveying main pipe, a heat exchange medium circulation conveying main pump, a heat exchange medium circulation conveying main valve, a temperature control device and a main control device. The high-voltage cabinet control system can monitor and control the temperatures in the compartments of a plurality of high-voltage cabinets at the same time, can control the temperatures of the same compartment of each high-voltage cabinet in the same temperature range, further ensures the stable operation of the plurality of high-voltage cabinets, and can reduce the energy consumption for regulating the temperatures of the compartments.

Inventors

• ZHANG JUN

Assignees

• 江苏锦煜电力有限公司

Dates

Publication Date

20260505

Application Date

20231023

Claims (6)

1. 1. A control system of a high-voltage cabinet is characterized by comprising a plurality of high-voltage cabinets, an indoor temperature sensor, an indoor heat exchanger, a single-chamber heat exchange medium circulation conveying pipe and an outdoor heat exchanger which are respectively and independently arranged in the same compartment, a single-chamber heat exchange medium circulation conveying pump and a single-chamber heat exchange medium circulation conveying valve which are respectively and independently arranged on the single-chamber heat exchange medium circulation conveying pipes, a multi-chamber heat exchange medium circulation conveying pipe, a multi-chamber heat exchange medium circulation conveying pump and a multi-chamber heat exchange medium circulation conveying valve which are respectively arranged on the multi-chamber heat exchange medium circulation conveying pipes, a main heat exchanger, a heat exchange medium circulation conveying main pipe, a heat exchange medium circulation conveying main pump and a heat exchange medium circulation conveying main valve which are respectively arranged on the heat exchange medium circulation conveying main pipe, a temperature control device and a main control device, the indoor temperature sensor and the indoor heat exchanger which are respectively arranged in the same compartment are all positioned in the compartment, and the single-chamber heat exchange medium circulation conveying pipes and the outdoor heat exchanger, wherein the single-chamber heat exchange medium circulation conveying pipes are respectively connected with the indoor heat exchanger, the single-chamber heat exchange medium circulation conveying pipe and the single-chamber heat exchange medium circulation conveying valve which are respectively arranged in the same compartment; The main control device controls each single-chamber heat exchange medium circulation conveying pump, each single-chamber heat exchange medium circulation conveying valve, a multi-chamber heat exchange medium circulation conveying pump, a multi-chamber heat exchange medium circulation conveying valve, a heat exchange medium circulation conveying main pump, a heat exchange medium circulation conveying main valve and a temperature control device to work according to the temperature detected by each indoor temperature sensor, and the main control device is specific: If the indoor temperature sensor detects that the temperature of the compartment is between the low-temperature early warning temperature and the high-temperature early warning temperature, the main control device judges that the compartment is a normal temperature compartment; if the indoor temperature sensor detects that the temperature of the compartment is reduced to the low-temperature early warning temperature, the main control device judges that the compartment is the low-temperature early warning compartment; if the indoor temperature sensor detects that the temperature of the compartment is increased to the high-temperature early warning temperature, the main control device judges that the compartment is the high-temperature early warning compartment; If a certain compartment is judged to be a normal temperature compartment, the main control device controls the single-chamber heat exchange medium circulating and conveying pump and the single-chamber heat exchange medium circulating and conveying valve on the single-chamber heat exchange medium circulating and conveying pipe configured in the normal temperature compartment to be closed; If the low-temperature early-warning compartment and the high-temperature early-warning compartment are judged to exist at the same time, the main control device controls a single-chamber heat exchange medium circulating and conveying pump and a single-chamber heat exchange medium circulating and conveying valve on a single-chamber heat exchange medium circulating and conveying pipe configured by the low-temperature early-warning compartment and the high-temperature early-warning compartment to be opened, the main control device controls the multi-chamber heat exchange medium circulating and conveying pump and the multi-chamber heat exchange medium circulating and conveying valve to be opened, and the main control device controls the heat exchange medium circulating and conveying main pump and the heat exchange medium circulating and conveying main valve to be closed; If the low-temperature early-warning compartment is judged to exist and the high-temperature early-warning compartment is not exist, the main control device controls the single-chamber heat-exchange medium circulating and conveying pump and the single-chamber heat-exchange medium circulating and conveying valve on the single-chamber heat-exchange medium circulating and conveying pipe configured by the low-temperature early-warning compartment to be opened, the main control device controls the multi-chamber heat-exchange medium circulating and conveying pump and the multi-chamber heat-exchange medium circulating and conveying valve to be opened, the main control device controls the main control device to control the temperature of the heat-exchange medium conveyed by the heat-exchange medium circulating and conveying main pipe to be adjusted by the temperature control device, so that the temperature of the heat-exchange medium conveyed by the heat-exchange medium circulating and conveying main pipe is increased to be higher than the high-temperature early-warning temperature; If the high-temperature early-warning compartment is judged to exist and the low-temperature early-warning compartment is not exist, the main control device controls the single-chamber heat-exchange medium circulating and conveying pump and the single-chamber heat-exchange medium circulating and conveying valve on the single-chamber heat-exchange medium circulating and conveying pipe configured by the high-temperature early-warning compartment to be opened, the main control device controls the multi-chamber heat-exchange medium circulating and conveying pump and the multi-chamber heat-exchange medium circulating and conveying valve to be opened, the main control device controls the main control device to control the temperature of the heat-exchange medium conveyed by the heat-exchange medium circulating and conveying main pipe to be opened, and the temperature of the heat-exchange medium conveyed by the heat-exchange medium circulating and conveying main pipe is reduced to be lower than the low-temperature early-warning temperature.
2. 2. The high-voltage cabinet control system of claim 1, wherein the outdoor heat exchanger configured by any compartment is located outside the high-voltage cabinet in which that compartment is located.
3. 3. The control system of claim 1, wherein each indoor heat exchanger, each outdoor heat exchanger, and the main heat exchanger are insulated heat exchangers.
4. 4. The control system of claim 1, wherein each of the single-chamber heat exchange medium circulation duct, the multi-chamber heat exchange medium circulation duct, and the heat exchange medium circulation duct is an insulating duct.
5. 5. The control system of claim 1, wherein the heat exchange medium in each of the single-chamber heat exchange medium circulation duct, the multi-chamber heat exchange medium circulation duct, and the heat exchange medium circulation main duct is an insulating heat exchange medium.
6. 6. The high voltage cabinet control system of claim 1, wherein the compartment is a bus bar compartment, a circuit breaker compartment, a cable compartment, or an instrument compartment.

Description

High-voltage board control system Technical Field The invention relates to a control system of a high-voltage cabinet. Background High voltage cabinets are typically provided with a plurality of compartments including a bus bar compartment, a circuit breaker compartment, a cable compartment, and an instrument compartment. In order to ensure stable operation of the high-voltage cabinet, the temperature in the compartment of the high-voltage cabinet needs to be monitored and controlled. In some application scenarios, a plurality of high-voltage cabinets are arranged side by side, the temperature in the compartments of the plurality of high-voltage cabinets needs to be monitored and controlled simultaneously, and the temperature of the same compartment (such as a bus chamber of each high-voltage cabinet, or a breaker chamber of each high-voltage cabinet, or a cable chamber of each high-voltage cabinet, or an instrument chamber of each high-voltage cabinet) of each high-voltage cabinet needs to be controlled in the same temperature range (between low-temperature early warning temperature and high-temperature early warning temperature). Disclosure of Invention The invention aims to provide a high-voltage cabinet control system which comprises a plurality of high-voltage cabinets, a plurality of indoor temperature sensors, an indoor heat exchanger, a single-chamber heat exchange medium circulating conveying pipe and an outdoor heat exchanger, wherein the indoor temperature sensors, the indoor heat exchangers, the single-chamber heat exchange medium circulating conveying pipe and the outdoor heat exchanger are respectively and independently arranged in the same compartment of each high-voltage cabinet; The main control device controls the single-chamber heat exchange medium circulation conveying pumps, the single-chamber heat exchange medium circulation conveying valves, the multi-chamber heat exchange medium circulation conveying pumps, the multi-chamber heat exchange medium circulation conveying valves, the heat exchange medium circulation conveying main pump, the heat exchange medium circulation conveying main valve and the temperature control device to work according to the temperature detected by the indoor temperature sensors. The specific content of the control system of the high-voltage cabinet and the specific control mode of the main control device are detailed in the specific implementation mode. The high-voltage cabinet control system has the advantages that the temperature in the compartments of the high-voltage cabinets can be monitored and controlled simultaneously, the temperature of the same compartment of each high-voltage cabinet can be controlled in the same temperature range, stable operation of the high-voltage cabinets is guaranteed, and energy consumption for regulating the temperature of the compartments can be reduced. Drawings Fig. 1 is a schematic diagram of the present invention. Description of the embodiments The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention. The technical scheme of the invention is as follows: As shown in fig. 1, the invention provides a high-voltage cabinet control system, which comprises a plurality of high-voltage cabinets arranged side by side, an indoor temperature sensor W1, an indoor heat exchanger H1, a single-chamber heat exchange medium circulation conveying pipe G1 and an outdoor heat exchanger H2 which are respectively and independently arranged in the same compartment S1 of each high-voltage cabinet, a single-chamber heat exchange medium circulation conveying pump B1 and a single-chamber heat exchange medium circulation conveying valve F1 which are respectively and independently arranged on each single-chamber heat exchange medium circulation conveying pipe G1, a multi-chamber heat exchange medium circulation conveying pipe G2, a multi-chamber heat exchange medium circulation conveying pump B2 and a multi-chamber heat exchange medium circulation conveying valve F2 which are arranged on the multi-chamber heat exchange medium circulation conveying pipe G2, a main heat exchange medium circulation conveying main pipe G3, a heat exchange medium circulation conveying main pump B3 and a heat exchange medium circulation conveying main valve F3 which are arranged on the heat exchange medium circulation conveying main pipe G3, a temperature control device J1 and a main control device; the indoor temperature sensor W1 and the indoor heat exchanger H1 which are arranged in the same compartment S1 are both positioned in the compartment S1, and the indoor temperature sensor W1 is used for detecting the temperature of the compartment S1 in which the indoor temperature sensor W1 is positioned; The outdoor heat exchanger H2 arranged