A new type of power field control cabinet with automatic temperature control function

Abstract

The utility model relates to industrial field control cabinet technical field, concretely discloses a novel power field control cabinet with automatic temperature control function, including the rack, be provided with automatic temperature control subassembly on the rack, automatic temperature control subassembly contains PDB -A power supply, PDB -B power supply, PS1 voltage converter, PS2 voltage converter, TS1 control thermostat, TS2 control thermostat, TS3 control thermostat, SV1 solenoid valve, SV2 solenoid valve, R1 relay, H1 anti-condensation heater, input power, instrument air filter, rack power -on indicator, control card piece, eddy current cooler, power breaker. Through the work of high temperature thermostat and low temperature thermostat realizes accurate temperature regulation, when the temperature in the cabinet exceeds 40 DEG C, starts first group eddy current cooler, when exceeding 50 DEG C, starts second group cooler, forms gradient cooling, when temperature is lower than 20 DEG C, then opens anti-condensation heater automatically, and this kind of grading control strategy can effectively prevent equipment overheating damage, and can avoid low temperature dewing.

Description

Technical Field

[0001] This utility model relates to the field of industrial field control cabinet technology, and specifically discloses a novel power field control cabinet with automatic temperature control function. Background Technology

[0002] Currently, most domestic power field control cabinets are centrally installed in a control room, using air conditioning to control temperature and humidity. A thermometer and hygrometer needs to be mounted on the control room wall to display the temperature and humidity. Staff must regularly inspect the room and switch the air conditioning between cooling and dehumidifying modes based on the thermometer readings. However, there are exceptions where dedicated control cabinets are installed in harsh working environments. In these cases, there are often no measures to prevent overheating or moisture damage. Some use energy-intensive cabinet-door air conditioning units, while others simply place moisture-proof bags inside the cabinet. This lack of on-site temperature and humidity control measures leads to damage to many expensive electronic components, causing unnecessary economic losses for the company. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a new type of power field control cabinet with automatic temperature control function, so as to solve the problem that field control cabinets equipped with electronic cards have high requirements for environmental temperature and humidity, because poor temperature and humidity control will accelerate the aging and damage of electronic cards.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A novel power field control cabinet with automatic temperature control function, comprising a cabinet, wherein an automatic temperature control component is provided on the cabinet, the automatic temperature control component comprising a PDB-A power supply, a PDB-B power supply, a PS1 voltage converter, a PS2 voltage converter, a TS1 thermostat, a TS2 thermostat, a TS3 thermostat, an SV1 solenoid valve, an SV2 solenoid valve, an R1 relay, an H1 anti-condensation heater, an input power supply, an instrument air filter, a cabinet power indicator light, a control card, an eddy current cooler, and a circuit breaker.

[0005] Furthermore, the cabinet has a door on the front and support legs at the bottom.

[0006] Furthermore, the PDB-A power supply and the PDB-B power supply are 220V operating power supplies used to power the entire system;

[0007] TS1 and TS2 are high-temperature thermostats, while TS3 is a low-temperature thermostat.

[0008] There are two vortex coolers, and their start and stop are controlled by corresponding solenoid valves.

[0009] Furthermore, the SV1 solenoid valve and the SV2 solenoid valve are respectively connected to the eddy current cooler;

[0010] The H1 anti-condensation heater is connected to a 220V power supply via the R1 relay.

[0011] There is one R1 relay.

[0012] Furthermore, the PS1 voltage converter and PS2 voltage converter are 220V / 24V voltage converters;

[0013] The input power supply is located inside the cabinet;

[0014] The instrument air filter is used to filter the compressed air entering the system and is located outside the cabinet. The instrument air filter is connected to the vortex cooler inside the cabinet via a duct.

[0015] Furthermore, the cabinet power indicator light is used to display the power status of the cabinet and is located on the side wall of the cabinet;

[0016] Control cards are used to control and monitor the operation of the system and are located inside the cabinet;

[0017] The circuit breaker is used to protect the system's circuitry and is located inside the cabinet.

[0018] Furthermore, a wiring assembly is provided on the back of the support leg. The wiring assembly includes a mounting plate, which is located on the back of the support leg. A cable tray is provided on the outward side of the mounting plate. The surface of the cable tray has several cable holes that penetrate through it. An inner sleeve is provided through the surface of the mounting plate. The inner sleeves are symmetrically distributed along both sides of the mounting plate. A threaded post is provided on the surface of the support leg, corresponding to the position of the inner sleeve. The surface of the threaded post slides through the interior of the inner sleeve. A threaded cap is threadedly installed at the end of the threaded post. One side of the threaded cap is tightly attached to the end face of the inner sleeve.

[0019] Furthermore, the surface of the mounting plate is provided with a threaded seat, and a threaded rod is installed in the internal thread of the threaded seat. A wire ring is welded and fixed to one end of the threaded rod away from the threaded seat. A grounding wire is fixedly installed on the surface of the wire ring, and a grounding rod is provided at the other end of the grounding wire.

[0020] The working principle and beneficial effects of this solution are as follows: 1. This solution utilizes the existing instrument compressed air in the power plant, which is convenient, simple in design, saves space, is easy to install and operate, and has low cost. Compared with cabinet air conditioners, it saves a lot of electricity, requires less maintenance, and saves labor costs.

[0021] 2. As described in point 1, precise temperature regulation is achieved through the operation of high-temperature and low-temperature thermostats. When the temperature inside the cabinet exceeds 40°C, the first set of vortex coolers is activated, and when it exceeds 50°C, the second set of coolers is activated, forming a gradient cooling effect. When the temperature is below 20°C, the anti-condensation heater is automatically activated. This graded control strategy can effectively prevent equipment overheating damage and avoid low-temperature condensation, ensuring that electronic components operate stably within the optimal temperature range. The vortex cooler uses compressed air refrigeration technology, requiring no additional power drive, making it energy-saving, environmentally friendly, and highly reliable.

[0022] 3. As described in section 2, two independent power supply systems, PDB-A and PDB-B, are configured to form power supply redundancy in conjunction with dual voltage converters; the two sets of eddy current coolers can start in stages according to the temperature rise, forming cooling capacity redundancy. This design can still maintain basic functions when a single power supply or cooling unit fails, greatly reducing the risk of system downtime. The addition of instrument air filters and circuit breakers and other protective devices further enhances the anti-interference ability and safety protection level of the entire system in complex industrial environments.

[0023] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the embodiment;

[0025] Figure 2 This is a schematic diagram of the internal structure of the cabinet in an embodiment;

[0026] Figure 3 A diagram illustrating the cabinet heater and cooling control system as shown in the embodiment;

[0027] Figure 4 Functional circuit diagram of the vortex cooler in the embodiment;

[0028] Figure 5 This is a schematic diagram of the circuit layout component structure in an embodiment;

[0029] Figure 6 Examples Figure 5 Enlarged diagram of point A.

[0030] The following labels are used in the attached diagram: 1. Cabinet; 101. Cabinet door; 102. Support leg; 10. PDB-A power supply; 11. PDB-B power supply; 12. PS1 voltage converter; 13. PS2 voltage converter; 14. TS1 thermostat; 15. TS2 thermostat; 16. TS3 thermostat; 17. SV1 solenoid valve; 18. SV2 solenoid valve; 19. R1 relay; 110. H1 anti-condensation heater. Heater; 111. Input power supply; 112. Instrument air filter; 113. Cabinet power indicator light; 114. Control card; 115. Eddy current cooler; 116. Switch; 2. Mounting plate; 21. Cable tray; 22. Cable tray hole; 23. Threaded post; 24. Internal sleeve; 25. Threaded cap; 2001. Threaded seat; 2002. Threaded rod; 2003. Wire ring one; 2004. Grounding wire; 2005. Grounding rod. Detailed Implementation

[0031] The following detailed description illustrates the specific implementation method:

[0032] Example 1

[0033] like Figures 1 to 4 As shown, a novel power field control cabinet with automatic temperature control function is disclosed, including a cabinet 1, an automatic temperature control component is provided on the cabinet 1, a cabinet door 101 is provided on the front of the cabinet 1, the cabinet door 101 is connected to the cabinet 1 by a door hinge, and a support leg 102 is provided at the lower end of the cabinet 1, the support leg 102 is fixed to the lower end of the cabinet 1 by screws.

[0034] The automatic temperature control assembly includes a PDB-A power supply 10, a PDB-B power supply 11, a PS1 voltage converter 12, a PS2 voltage converter 13, a TS1 thermostat 14, a TS2 thermostat 15, a TS3 thermostat 16, an SV1 solenoid valve 17, an SV2 solenoid valve 18, an R1 relay 19, an H1 anti-condensation heater 110, an input power supply 111, an instrument air filter 112, a cabinet power indicator light 113, a control card 114, a vortex cooler 115, and a circuit breaker 116.

[0035] PDB-A power supply 10 and PDB-B power supply 11 are 220V operating power supplies used to power the entire system.

[0036] TS1 thermostat 14 and TS2 thermostat 15 are high-temperature thermostats, and TS3 thermostat 16 is a low-temperature thermostat. All three thermostats are used to detect the temperature inside the cabinet and control corresponding components according to set values. The high-temperature thermostat opens the solenoid valve and starts the eddy current cooler 115 when the temperature inside the cabinet exceeds the set value; the low-temperature thermostat activates the relay and starts the H1 anti-condensation heater 110 when the temperature inside the cabinet falls below the set value. The set values ​​for the high-temperature thermostats are 40℃ and 50℃ respectively. When the temperature exceeds 40℃, the TS1 thermostat 14 controls the SV1 solenoid valve 17 to open, starting one corresponding eddy current cooler 115; when the temperature exceeds 50℃, the TS2 thermostat 15 controls the SV2 solenoid valve 18 to open, starting another corresponding eddy current cooler 115. The low temperature thermostat is set to 20℃. When the temperature is below 20℃, the TS3 thermostat 16 controls the R1 relay 19 to connect, starting the H1 anti-condensation heater 110 to heat the air inside the cabinet.

[0037] Two vortex coolers 115 are provided for cooling by expanding compressed air. The external compression pipeline inputs compressed air into the vortex cooler 115 and controls its start and stop by the corresponding solenoid valve. The vortex cooler 115 forms a free vortex by expanding high-pressure gas in the nozzle. The central airflow slows down and cools down due to friction, thus achieving cooling.

[0038] SV1 solenoid valve 17 and SV2 solenoid valve 18 are respectively connected to the eddy current cooler 115 and are used to control the on and off of compressed air.

[0039] One H1 anti-condensation heater 110 is provided to heat the air inside the cabinet at low temperatures. The H1 anti-condensation heater 110 is connected to a 220V power supply through an R1 relay 19. The relay is controlled by a low-temperature thermostat, which automatically starts the heater when the temperature is lower than the set value.

[0040] One R1 relay 19 is provided to control the on / off state of the anti-condensation heater;

[0041] PS1 voltage converter 12 and PS2 voltage converter 13 are 220V / 24V voltage converters used to provide operating voltage for thermostats and solenoid valves;

[0042] The input power supply 111 is the power input for the entire system. It is usually located inside the cabinet 1 and is connected to various components inside the cabinet 1 via cables.

[0043] The instrument air filter 112 is used to filter the compressed air entering the system. It is usually located outside the cabinet 1 and connected to the vortex cooler 115 inside the cabinet 1 through a pipe. It can filter impurities in the compressed air pipeline and ensure the normal operation of the vortex cooler 115.

[0044] The cabinet power indicator light 113 is used to display the power status of cabinet 1. It is usually located on the side wall of cabinet 1 and is connected to the power supply via a wire.

[0045] Control card 114 is used to control and monitor the operation of the system. It is usually located inside the cabinet 1 and is connected to various components via cables.

[0046] The circuit breaker 116 is used to protect the system's circuitry and is typically located inside the cabinet 1, connected to the power supply and various components via wires.

[0047] In practice

[0048] The thermostats monitor the cabinet temperature in real time and activate their controlled nodes according to the set temperature action values. The temperature action values ​​for the three thermostats TS1, TS2, and TS3 can be set to 40℃, 50℃, and 20℃, respectively. In summer, when the cabinet temperature exceeds 40℃, nodes 1 and 4 controlled by thermostat TS1 are activated, solenoid valve 1 actuates, and one stream of compressed air is discharged through vortex cooler 1 for cooling. If the temperature continues to rise, and the cabinet temperature exceeds 50℃, nodes 1 and 4 controlled by thermostat TS2 are activated simultaneously, solenoid valve 2 actuates, and a second stream of compressed air enters the cabinet through vortex cooler 2 for cooling. This effectively prevents the cabinet temperature from becoming too high and keeps it below 40℃.

[0049] In winter, when the temperature is below 20℃, the nodes 1 and 2 controlled by the thermostat TS3 are turned on, the relay coil R1 is energized, the relay is activated, the normally open nodes 4 and 6 are turned on, the anti-condensation heater circuit is turned on, and the cabinet heater H1 starts to work to heat the cabinet and ensure that the temperature inside the cabinet is above 20℃, so as not to produce condensation moisture.

[0050] Example 2

[0051] See Figures 5-6The back of the support leg 102 is equipped with a wiring assembly, which includes a mounting plate 2. The mounting plate 2 is located on the back of the support leg 102. A cable tray 21 is provided on the outward-facing side of the mounting plate 2. The cable tray 21 is fixed to the mounting plate 2 by welding. The surface of the cable tray 21 has several through-holes 22. The cable trays 22 are arranged in a 2*N pattern. The cable trays 22 can pass through one or more cables, which facilitates the separation and arrangement of various cables in the cabinet 1. This facilitates sorting during maintenance and allows for quick location of the corresponding component during replacement, while also preventing numerous cables from clustering together. To address issues such as tangling when cables are clustered together, the cabling layout of cabinet 1 is further optimized to ensure neatness. An internal sleeve 24 is provided through the surface of mounting plate 2, and the internal sleeves 24 are symmetrically distributed along both sides of mounting plate 2. The connection between the internal sleeves 24 and mounting plate 2 is fixed by welding. The surface of support leg 102 is provided with threaded post 23 corresponding to the position of the internal sleeve 24. One end of the threaded post 23 is welded to the surface of support leg 102, and the surface of the threaded post 23 slides through the interior of the internal sleeve 24. A threaded cap 25 is threadedly installed at the end of the threaded post 23, and one side of the threaded cap 25 is tightly attached to the end face of the internal sleeve 24.

[0052] The surface of mounting plate 2 is provided with a threaded seat 2001. One end of the threaded seat 2001 is welded and fixed to the surface of mounting plate 2. A threaded rod 2002 is installed in the internal thread of the threaded seat 2001. A wire ring 2003 is welded and fixed to the end of the threaded rod 2002 away from the threaded seat 2001. A grounding wire 2004 is fixedly installed on the surface of the wire ring 2003. A grounding rod 2005 is provided at the other end of the grounding wire 2004. The end of the grounding rod 2005 is fixed to the wire core of the grounding wire 2004. The length of the grounding rod 2005 is not less than one meter and is inserted into the ground. It can play an auxiliary grounding role when the cabinet 1 is working. Through the mutual threaded installation of the threaded rod 2002 and the threaded seat 2001, the grounding component can be quickly separated from the mounting plate 2 when the cabinet 1 is moved.

[0053] In practice

[0054] The support leg 102 of this design has a cable routing assembly on its back. This assembly includes a mounting plate 2, which is fixed to the back of the support leg 102. A cable tray 21 is located on its outward-facing side. The cable tray 21 is welded to the mounting plate 2 to ensure a strong connection. Several cable routing holes 22 are formed on the surface of the cable tray 21, arranged in a 2xN matrix, penetrating the interior of the cable tray 21. The design of the cable routing holes 22 can accommodate single or multiple cables, enabling the separate arrangement of various cables within the cabinet 1. This layout facilitates quick cable management during maintenance. When replacing components, the corresponding circuit can be accurately located, and the circuits can be avoided from clustering and tangling, which significantly improves the neatness of the internal circuits of the cabinet 1. The surface of the mounting plate 2 is also provided with an internal sleeve 24, which is symmetrically distributed along both sides of the mounting plate 2 and fixed by welding. The surface of the support leg 102 is provided with a threaded post 23 corresponding to the internal sleeve 24. One end of the threaded post 23 is welded to the surface of the support leg 102, and the other end passes through the inside of the internal sleeve 24. A threaded cap 25 is installed at the end of the threaded post 23, and the threaded cap 25 is close to the end face of the internal sleeve 24, forming a detachable and stable connection structure.

[0055] The mounting plate 2 has a threaded seat 2001 on its surface. One end of the threaded seat 2001 is welded and fixed to the mounting plate 2. The threaded seat 2001 is internally connected to a threaded rod 2002. A wire ring 2003 is fixed to the end of the threaded rod 2002 away from the threaded seat 2001. The wire ring 2003 is connected to a grounding wire 2004. The other end of the grounding wire 2004 is connected to a grounding rod 2005. The grounding rod 2005 and the wire core of the grounding wire 2004 are fixed by crimping or welding. The grounding rod 2005 is at least one meter long and needs to be inserted vertically into the ground to provide auxiliary grounding for the cabinet 1. The threaded fit design between the threaded rod 2002 and the threaded seat 2001 allows for quick disassembly of the grounding components when the cabinet 1 is moved. The grounding wire 2004 uses multi-strand copper core wire to ensure conductivity, while the surface of the grounding rod 2005 can be galvanized for corrosion protection and to extend its service life.

[0056] The above description is merely an embodiment of this utility model, and common knowledge such as specific structures and characteristics in the solution is not described in detail here. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model, and these should also be considered within the protection scope of this utility model. These modifications and improvements will not affect the effectiveness of the implementation of this utility model or its practicality.

Claims

1. A novel power field control cabinet with automatic temperature control function, characterized in that: The system includes a cabinet equipped with an automatic temperature control assembly. The automatic temperature control assembly includes a PDB-A power supply, a PDB-B power supply, a PS1 voltage converter, a PS2 voltage converter, a TS1 thermostat, a TS2 thermostat, a TS3 thermostat, an SV1 solenoid valve, an SV2 solenoid valve, an R1 relay, an H1 anti-condensation heater, an input power supply, an instrument air filter, a cabinet power indicator light, control cards, a vortex cooler, and a circuit breaker.

2. A novel power field control cabinet with automatic temperature control function according to claim 1, characterized in that: The cabinet has a door on the front and support legs at the bottom.

3. A novel power field control cabinet with automatic temperature control function according to claim 2, characterized in that: The PDB-A power supply and PDB-B power supply are 220V operating power supplies used to power the entire system. TS1 and TS2 are high-temperature thermostats, while TS3 is a low-temperature thermostat. There are two vortex coolers, and their start and stop are controlled by corresponding solenoid valves.

4. A novel power field control cabinet with automatic temperature control function according to claim 3, characterized in that: The SV1 solenoid valve and the SV2 solenoid valve are respectively connected to the eddy current cooler; The H1 anti-condensation heater is connected to a 220V power supply via the R1 relay. There is one R1 relay.

5. A novel power field control cabinet with automatic temperature control function according to claim 4, characterized in that: The PS1 voltage converter and PS2 voltage converter are 220V / 24V voltage converters; The input power supply is located inside the cabinet; The instrument air filter is used to filter the compressed air entering the system and is located outside the cabinet. The instrument air filter is connected to the vortex cooler inside the cabinet via a duct.

6. A novel power field control cabinet with automatic temperature control function according to claim 5, characterized in that: The cabinet power indicator light is used to display the power status of the cabinet and is located on the side wall of the cabinet; Control cards are used to control and monitor the operation of the system and are located inside the cabinet; The circuit breaker is used to protect the system's circuitry and is located inside the cabinet.

7. A novel power field control cabinet with automatic temperature control function according to claim 2, characterized in that: The back of the outrigger is provided with a wiring arrangement assembly, which includes a mounting plate. The mounting plate is located on the back of the outrigger. A cable tray is provided on the outward side of the mounting plate. The surface of the cable tray has several cable holes that penetrate through it. An inner sleeve is provided through the surface of the mounting plate. The inner sleeves are symmetrically distributed along both sides of the mounting plate. The surface of the outrigger is provided with threaded posts corresponding to the positions of the inner sleeves. The surface of the threaded posts slides through the interior of the inner sleeves. A threaded cap is threadedly installed at the end of the threaded posts. One side of the threaded cap is tightly attached to the end face of the inner sleeve.

8. A novel power field control cabinet with automatic temperature control function according to claim 7, characterized in that: The mounting plate has a threaded seat on its surface, and a threaded rod is installed in the internal thread of the threaded seat. A wire ring is welded and fixed to one end of the threaded rod away from the threaded seat. A grounding wire is fixedly installed on the surface of the wire ring, and a grounding rod is installed at the other end of the grounding wire.

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