CN205139746U - Intelligent high accuracy atmospheric control's outdoor terminal box - Google Patents

Abstract

The utility model discloses an intelligent outdoor terminal box with high-precision temperature and humidity control, which comprises a box body and a control module arranged in the box body, and the control module includes a control unit, a temperature and humidity sensor, a relay I, a relay II, a heating Unit, alarm, telemetry and remote signaling unit, cooling and dehumidification unit, the utility model takes the single-chip microcomputer as the control core, uses high-performance temperature and humidity sensors to measure and control the temperature and humidity signals, and realizes liquid crystal digital display. Sampling temperature and humidity signals in the box, automatically identifying high temperature, low temperature, and overhumidity, automatically controlling the heater, cooling, and dehumidifying fans to start or stop, and performing temperature control and dehumidification operations, realizing intelligence and ensuring that the outdoor terminal box is in the air. It can operate safely in various complex and changeable climatic environments.

Description

Intelligent outdoor terminal box with high precision temperature and humidity control

technical field

The utility model relates to an intelligent outdoor terminal box with high-precision temperature and humidity control.

Background technique

The terminal box is an accessory product used to realize electrical connections, and is industrially divided into the category of connectors. The terminal box is mainly used for the protection of transformers, power lines, high-voltage circuit breakers, isolating switches, voltage transformers, etc. of substations, and the measurement, signal, control, interlocking, protection, etc. Connected to the protection device, it goes to the terminal box first, connects to one side of the terminal in the terminal box, and then connects to the corresponding protection device and other equipment through the other side of the terminal. It can be conveniently tested and tested in the terminal box, and has been widely used in substations.

The outdoor terminal box works outdoors, exposed to the sun and rain, with large temperature and humidity differences in the four seasons, and the working environment is harsh. Excessive temperature in the terminal box will affect the normal operation of the relay. When the humidity is too high, it will cause condensation in the terminal box, reduce the insulation of the terminal, and cause a short circuit accident in severe cases.

Utility model content

In view of this, the purpose of the utility model is to provide an intelligent outdoor terminal box with high-precision temperature and humidity control.

The purpose of this utility model is achieved through such a technical solution. The intelligent outdoor terminal box with high-precision temperature and humidity control includes a box body and a control module arranged in the box body 1. The control module includes a control unit, a temperature and humidity Sensors, relay I41, relay II42, heating unit, alarm, telemetry and remote signaling unit, cooling and dehumidification unit, the temperature and humidity sensor is connected to the control unit, the alarm is connected to the control unit, and the heating unit passes through the relay I It is connected with the control unit, the cooling and dehumidifying unit is connected with the control unit through the relay II, and the telemetry and tele-signaling unit sends telemetry and tele-signal signals to the upper computer through the RS485 interface of the controller.

Preferably, the terminal box further includes a partition disposed in the box, and the partition divides the space of the box into at least two subspaces.

Preferably, the heating unit includes at least one silicone rubber heater, and the components to be heated are located in the heating area formed by the at least one silicone rubber heater.

Preferably, the cooling and dehumidifying unit includes ventilation holes relatively arranged on the left and right sides of the top of the box body, shutters 5 are installed at the ventilation holes, a cooling and dehumidifying fan I6 is also installed at the ventilation holes, and the cooling and dehumidification fan I6 is installed at the ventilation holes. Wet fan 1 is located in the casing.

Preferably, the cooling unit further includes a cooling and dehumidifying fan II7 arranged at the bottom of the box, and the airflow formed by the cooling and dehumidifying fan II is from bottom to top.

Preferably, the heating unit further includes a comb heater 8 arranged between the cooling and dehumidifying fan II and the bottom of the box.

Preferably, a digital temperature and humidity display screen, an indicator light I for displaying the working state of the relay I or relay II and an indicator light II for displaying the working state of the temperature and humidity sensor are arranged on the outside of the box. The humidity display screen, indicator light I and indicator light II are respectively connected with the control unit.

Preferably, the box body is also provided with an input unit for temperature and humidity data, and the input unit is connected with the control unit.

Preferably, the input unit is an input button arranged outside the box.

Owing to adopting above-mentioned technical scheme, the utility model has following advantage:

The utility model takes a single-chip microcomputer as the control core, adopts a high-performance temperature and humidity sensor to measure and control the temperature and humidity signals, and realizes liquid crystal digital display. The communication interface of RS485 telemetry and remote signaling transmits the temperature, humidity and other signals in the box to the host computer for real-time monitoring. The controller samples the temperature and humidity signals in the box from time to time, automatically recognizes high temperature, low temperature, overhumidity and condensation status, automatically controls the startup or shutdown of the heater and cooling and dehumidification fan, and performs temperature control, dehumidification and anti-condensation operations , to achieve intelligence, to ensure the safe operation of outdoor terminal boxes in various complex and changeable climate environments.

Description of drawings

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the overall block diagram of the utility model;

Figure 2 is the installation diagram of the silicone rubber heater;

Figure 3 is a schematic diagram of the cooling unit installation;

Figure 4 is a block diagram of the control module.

Figure 5 is the control schematic diagram of humidity control and temperature control. In the figure: the cooling and dehumidifying fans F1 and F2 are installed on both sides of the upper part of the terminal box; the cooling and dehumidifying fan F3 is an upward blowing fan installed at the bottom of the terminal box; Device 1 and heater 2 are silicone rubber heaters installed in the upper part of the terminal box; heater 3 is an aluminum alloy comb heater installed at the bottom of the terminal box; intermediate relay J1 is a 220V, 10A relay, and J2 is 220V , 20A relay.

detailed description

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present utility model, rather than limiting the protection scope of the present utility model.

As shown in Figures 1 and 4, the intelligent outdoor terminal box for high-precision temperature and humidity control includes a box body 1 and a control module arranged in the casing. The control module includes a control unit, a temperature and humidity sensor, a relay I41, and a relay II42 , a heating unit, an alarm and a cooling and dehumidifying unit, a telemetry and tele-signaling unit, the temperature and humidity sensor is connected to the control unit, the alarm is connected to the control unit, the telemetry and tele-signaling unit is connected to the RS485 interface of the control unit, The heating unit is connected to the control unit through a relay I, and the cooling and dehumidifying unit is connected to the control unit through a relay II.

The temperature and humidity sensor installed in the terminal box monitors the temperature and humidity changes in the terminal box at any time. When the ambient temperature inside the box is lower than the preset temperature or condensation is about to occur, the controller automatically starts the heating unit to run and heat up, and Start the fan installed above the heater to blow the hot air generated by the heater from bottom to top, and at the same time start the dehumidification fans installed on the left and right sides of the cabinet to discharge the moisture from the cabinet to the outside of the cabinet to improve the temperature of the cabinet. The internal ambient temperature destroys the microenvironment where condensation occurs. When the condition of condensation in the box disappears or the ambient temperature reaches the preset temperature, the heating unit will automatically disconnect and stop the heating and dehumidification fan, and the controller will return to the monitoring state. Compared with the traditional terminal box, which only relies on heating and natural ventilation for dehumidification Efficiency is greatly improved.

When the temperature in the box reaches the set upper limit, the fan is automatically turned on and the fan installed at the bottom is ventilated to cool down, so as to ensure the good insulation of the terminals and the normal operation of the terminal box. Compared with the traditional terminal box, the cooling efficiency of natural ventilation is greatly improved.

Preferably, the terminal box further includes a partition disposed in the box, and the partition divides the space of the box into at least two subspaces. And the partition can be adjusted up and down and forward and backward in the box, so the installation of components is extremely flexible. According to the model and design requirements, different types of air circuit breakers, terminal blocks and relays are installed.

In the present utility model, the heating unit includes at least one silicone rubber heater 2, the components to be heated are located in the heating area formed by the at least one silicone rubber heater, and the at least one silicone rubber heater is fixed in the box through a bracket 3. In the present embodiment, the silicone rubber heating plate is made into an arc shape, and is installed on the outside of the left and right parts (such as a relay) to be heated, as shown in Fig. 2, and a set is respectively installed at the corresponding positions on the left, left and right sides.

As shown in Figure 3, the cooling and dehumidifying unit includes ventilation holes relatively arranged on the left and right sides of the top of the box body, shutters 5 are installed at the ventilation holes, and cooling and dehumidification fans 16 are also installed at the ventilation holes. The cooling and dehumidifying fan I is located in the casing; it also includes a cooling and dehumidifying fan II arranged at the bottom of the casing, and the airflow formed by the cooling and dehumidifying fan II is from bottom to top.

Install the cooling and dehumidifying fan I behind the upper louvers on both sides of the terminal box, and install the cooling and dehumidifying fan II7 at the bottom of the terminal box to blow upward to strengthen the air flow inside the terminal box to achieve good dehumidification and cooling effects.

Preferably, the heating unit further includes a comb heater 8 arranged between the fan II and the bottom of the box.

Preferably, the outside of the box is provided with a temperature and humidity display screen, an indicator light I for displaying the working state of the relay I or relay II and an indicator light II for displaying the working state of the temperature and humidity sensor, and the temperature and humidity display The screen, indicator light I and indicator light II are respectively connected with the control unit. The box body is also provided with an input unit for temperature and humidity data, and the input unit is connected with the control unit. The input unit is an input button arranged outside the box.

The utility model takes a single-chip microcomputer as the control core, uses a high-performance temperature and humidity sensor to measure and control the temperature and humidity signals, and realizes liquid crystal digital display, and can also set and display the upper and lower limits of the temperature and humidity through buttons. The controller samples the temperature and humidity signals in the box from time to time, automatically recognizes high temperature, low temperature, overhumidity and condensation status, automatically controls the startup or shutdown of the heater and exhaust fan, and performs temperature control, dehumidification, and anti-condensation operations. Intelligent, to ensure the safe operation of outdoor terminal boxes in various complex and changeable climate environments.

The utility model adopts high-precision temperature and humidity intelligent control technology, and has remote measurement and remote signaling functions through the RS485 communication interface, which can ensure the safe operation of the outdoor terminal box in various complex and changeable climate environments.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (9)

1. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control, it is characterized in that: comprise casing and be arranged on the control module in casing (1), described control module comprises control module, Temperature Humidity Sensor, relay I(41), relay II(42), heating unit, alarm, remote measure and communication unit, cooling dehumidifier unit, described Temperature Humidity Sensor is connected with control module, described alarm is connected with control module, described heating unit is connected with control module by relay I, described cooling dehumidifier unit is connected with control module by relay II, described remote measure and communication unit sends remote measure and communication signal to host computer by the RS485 interface of controller.

2. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 1, it is characterized in that: described terminal box also comprises the dividing plate be arranged in casing, cabinet space is separated at least two sub spaces by described dividing plate.

3. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 1, is characterized in that: described heating unit comprises silicon rubber heater, needs the parts of heating to be positioned at the heating region of silicon rubber heater formation.

4. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 1, it is characterized in that: described cooling dehumidifier unit comprises the air vent being relatively arranged on the left and right sides, casing top, described disposed at air vent is provided with window shutter (5), and described disposed at air vent is also provided with cooling dehumidifier fan I(6) and this cooling dehumidifier fan I is positioned at casing.

5. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 4, is characterized in that: described temperature reducing unit also comprises the cooling dehumidifier fan II(7 being arranged at bottom half), the air-flow that this cooling dehumidifier fan II is formed is from the bottom to top.

6. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 3, is characterized in that: described heating unit also comprises the aluminium alloy pectination well heater (8) be arranged between dehumidifier fan II and bottom half.

7. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 1, it is characterized in that: the outside of described casing is provided with digital Temperature and Humidity display screen, for showing the pilot lamp I of relay I or relay II duty and the pilot lamp II for showing Temperature Humidity Sensor duty, described temperature and humidity display, pilot lamp I are connected with control module respectively with pilot lamp II.

8. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 1, it is characterized in that: the input block described casing being also provided with humiture data, described input block is connected with control module.

9. the Outdoor Terminal Case of Intelligent high-precision Temperature and Humidity Control according to claim 8, is characterized in that: described input block is the input key be arranged at outside chest.