CN106374365A - Power distribution box used for motor-pumped well in farmland - Google Patents

Abstract

The invention relates to a power distribution box for farmland motor wells, which is characterized in that it includes a chassis, an air-conditioning device, a control device, and a concrete-cast power distribution platform; the power distribution platform is provided with a chassis mounting seat and an air-conditioning support base; The device adjusts the temperature and humidity in the power distribution box of the farmland machine well, thereby reducing the failure rate of internal components and improving the reliability of power distribution; by maintaining a positive pressure state in the power distribution box of the farmland machine well, it is difficult for external dust to enter the power distribution box Internal, thereby improving the service life of the distribution box; the use of the above-mentioned safe and reliable distribution box makes farmland irrigation safe and practical, which is of great significance to agricultural development.

Description

A farmland machine well distribution box

technical field

The invention relates to the field of electric power, in particular to a distribution box for farmland wells.

Background technique

A motorized well is a water well that uses a power machine to drive a water pump to lift water. In order to promote high and stable agricultural production, machine-driven well irrigation is being vigorously promoted in vast rural areas, especially those in the northern plains. The distribution box of the farmland motorized well is the core equipment for the irrigation of the motorized well, and the agricultural motorized wells are all outdoors, the environment is not very good, the weather is hot during the busy farming season, the temperature inside the distribution box is high, and the internal components often break down; in rainy weather, power distribution Sometimes the box is relatively humid, which can easily lead to short circuit; in case of sandy weather in the north, dust is easy to enter the distribution box, which will shorten the life of internal components.

Contents of the invention

The object of the present invention is to provide a safe and reliable power distribution box for farmland motor wells aiming at the deficiencies of the prior art.

In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention to achieve the above-mentioned purpose is: a farmland motor well distribution box, including a cabinet, an air-conditioning device, a control device, and a concrete-cast power distribution platform; the power distribution platform is equipped with Chassis mounting base and air conditioner support base; the chassis mounting base is a plurality of mounting bolts embedded in the power distribution platform in advance, the bottom of the chassis is provided with mounting feet, and bolt holes are opened on the mounting feet, and the bolt holes are connected to the The above installation bolts correspond one by one; the chassis is fixed on the chassis mounting seat of the concrete power distribution platform through the mounting feet, and the chassis is divided into a power distribution room and an air-conditioning room. boards, the top of the case is provided with a herringbone top cover, and a number of water guide grooves are distributed on the herringbone top cover; the air conditioner includes an indoor unit and an outdoor unit, and the indoor unit is installed on the inner side wall of the case Above, the outdoor unit is installed on the support base of the air conditioner, and the bottom of the inner side wall of the cabinet where the indoor unit is installed is provided with an air inlet, and the air inlet pipe connected with the outdoor unit passes through the air inlet and the indoor unit. The indoor unit is composed of a casing, an evaporator and a fan. An air outlet and a fresh air outlet are provided on the casing of the indoor unit. The air outlet is used to discharge the air after the heat exchange of the evaporator. The air duct is connected to the air supply port on the top of the vertical plate to deliver the cold air to the power distribution room, and the fresh air port is connected to the air intake duct; the air intake duct and the air supply duct are fixed on the On the inner side wall of the case, sealing devices are provided in the air inlet and the air supply port; a control device is also arranged on the inner side wall of the case, and the control device includes a microprocessor, a temperature sensor, a humidity sensor , a pressure sensor and an input keyboard, the microprocessor is set on the side of the vertical plate facing the air-conditioning room, the above three sensors are set on the side of the vertical plate facing the power distribution room, and the temperature of the power distribution room , humidity and pressure detection data are sent to the microprocessor; the input keyboard is used to manually input the preset temperature, preset humidity and preset pressure; the microprocessor includes a storage unit for storing the above three parameters default value;

The operation steps of the control device are as follows:

(1) The temperature sensor, humidity sensor, and pressure sensor respectively continuously collect the temperature value, humidity value, and pressure value of the power distribution room; and convert the collected analog signal into a digital signal through the A/D module; the digital signal is sent to the microprocessor;

(2) The microprocessor compares the received digital signals of temperature, humidity, and pressure with the preset values of the three parameters stored in the storage unit; generates control instructions according to the comparison results, and sends The control command is sent to the air conditioner;

(3) The air conditioner receives the control instruction, and adjusts the air conditioner to the following corresponding function modes according to the control instruction;

(a) Cooling mode: when the temperature in the power distribution room collected by the temperature sensor is higher than the temperature preset value in the storage unit, the air conditioner turns on the cooling mode;

(b) Dehumidification mode: when the humidity in the power distribution room collected by the humidity sensor is higher than the humidity preset value in the storage unit, the air conditioner turns on the dehumidification mode;

(c) Ventilation mode: when the pressure in the distribution room collected by the pressure sensor is lower than the pressure preset value in the storage unit, the air conditioner turns on the ventilation mode.

Preferably, the inner wall of the shell of the indoor unit is provided with sound-absorbing material, and the outside of the air supply pipe is covered with thermal insulation material.

Preferably, the microprocessor is a programmable logic controller (PLC) or a single-chip microcomputer.

Preferably, the transmission module is a bluetooth module or an infrared module.

Preferably, the input keyboard is a physical keyboard or a virtual keyboard.

The beneficial effects of the present invention are: by setting the air conditioner to adjust the temperature and humidity in the farmland motor well distribution box, thereby reducing the failure rate of internal components and improving the reliability of power distribution; by maintaining positive pressure in the farmland motor well distribution box The state makes it difficult for external dust to enter the distribution box, thereby improving the service life of the distribution box; the use of the above-mentioned safe and reliable distribution box makes farmland irrigation safe and practical, which is of great significance to agricultural development.

Description of drawings

Fig. 1 is the general schematic diagram of farmland motor well distribution box of the present invention;

Reference signs: 1-chassis; 11-installation feet; 12-power distribution room; 13-air conditioning room; Indoor unit; 22-outdoor unit; 23-air inlet pipe; 24-air supply pipe; 25-pipe card; 3-control device; 31-microprocessor; 32-temperature sensor; 33-humidity sensor; 34-pressure sensor ; 35-input keyboard; 4-power distribution platform; 41-chassis mounting seat; 42-air-conditioning support base.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 1, the distribution box for farmland mechanized wells of the present invention includes a cabinet 1, an air conditioner 2, a control device 3, and a concrete distribution platform 4; the distribution platform 4 is provided with a cabinet mounting seat 41 and an air conditioning support base 42; the chassis mounting seat 41 is a plurality of mounting bolts embedded in the power distribution platform 4 in advance, the bottom of the chassis 1 is provided with mounting feet 11, and bolt holes are opened on the mounting feet 11, and the bolt holes correspond to the mounting bolts one by one; the chassis 1 is installed through The legs 11 are fixed on the chassis mounting seat 41 of the power distribution platform 4. The chassis 11 is divided into a power distribution room 12 and an air-conditioning room 13. The power distribution room 12 and the air-conditioning room 13 are separated by a vertical plate 14. A glyph top cover, a number of water guide grooves 15 are distributed on the herringbone top cover; the air conditioner 2 includes an indoor unit 21 and an outdoor unit 22, the indoor unit 21 is installed on the inner side wall of the cabinet 1, and the outdoor unit 22 is installed on the air conditioner support base 42 The bottom of the inner wall of the cabinet 1 where the indoor unit 21 is installed is provided with an air inlet 16, and the air inlet pipe 23 connected to the outdoor unit 22 is connected to the indoor unit 21 through the air inlet 16, and the indoor unit 21 is composed of a casing, an evaporator and a fan , the shell of the indoor unit 21 is provided with an air outlet and a fresh air outlet, the air outlet is used to discharge the air after the heat exchange of the evaporator, and is connected with the air outlet 17 on the top of the vertical plate 14 through the air supply pipe 24, and the The cold air is transported to the power distribution room 12, and the fresh air outlet is connected with the air inlet pipe 23; There is a sealing device; the inner wall of the cabinet 1 is also provided with a control device 3, the control device 3 includes a microprocessor 31, a temperature sensor 32, a humidity sensor 33, a pressure sensor 34 and an input keyboard 35, and the microprocessor 31 is arranged on the vertical plate 14 On the side facing the air-conditioning room 13, the above three sensors 32, 33, 34 are arranged on the side of the vertical plate 14 facing the power distribution room 12, and transmit the temperature, humidity and pressure detection data of the power distribution room 12 to the microprocessor 31; the input keyboard 35 is used to manually input the preset temperature, preset humidity and preset pressure; the microprocessor 31 includes a storage unit for storing the preset values of the above three parameters;

The operation steps of the control device are as follows:

(1) The temperature sensor 32, the humidity sensor 33, and the pressure sensor 34 respectively continuously collect the temperature value, humidity value, and pressure value of the power distribution room 12; and convert the collected analog signal into a digital signal through the A/D module; The module sends the digital signal to the microprocessor 31;

(2) The microprocessor 31 compares the received digital signals of temperature, humidity, and pressure with the preset values of the above three parameters stored in the storage unit; generates control instructions according to the comparison results, and sends the control instructions to Air conditioning unit 2;

(3) The air conditioner 2 receives the control instruction, and adjusts the air conditioner 2 to the following corresponding functional modes according to the control instruction:

(a) Cooling mode: when the temperature in the power distribution room 12 collected by the temperature sensor 32 is higher than the temperature preset value in the storage unit, the air conditioner 2 starts the cooling mode;

(b) Dehumidification mode: when the humidity in the power distribution room 12 collected by the humidity sensor 33 is higher than the humidity preset value in the storage unit, the air conditioner 2 starts the dehumidification mode;

(c) Ventilation mode: when the pressure in the power distribution room 12 collected by the pressure sensor 34 is lower than the preset pressure value in the storage unit, the air conditioner 2 starts the ventilation mode.

The inner wall of the shell of the indoor unit 21 is provided with sound-absorbing materials, and the outside of the air supply pipe 24 is covered with thermal insulation materials.

The microprocessor 31 is a programmable logic controller (PLC) or a single-chip microcomputer.

The transmission module is a bluetooth module or an infrared module.

The input keyboard 35 is a physical keyboard or a virtual keyboard.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and its purpose is to enable those of ordinary skill in the art to understand the content of the present invention and implement it accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the essence of the present invention shall fall within the protection scope of the present invention.

Claims (5)

1. a kind of farmland motor-pumped well distribution box is it is characterised in that include cabinet, air-conditioning device, control device, the joining of concrete casting Level platform；Described distribution platform is provided with cabinet mounting seat and air-conditioning support plinth；Described cabinet mounting seat is that embedment is joined in advance Multiple installation bolts of level platform, described cabinet bottom is provided with installation leg, described installation leg opens up bolt hole, described spiral shell Keyhole is corresponded with described installation bolt；Described cabinet is fixed on the cabinet mounting seat of coagulation distribution platform by installing leg On, described cabinet is divided into switchgear house and air conditioning chamber, is separated by riser between described switchgear house and air conditioning chamber, described enclosure top It is provided with herringbone top cover, on described herringbone top cover, some guiding gutters are distributed with；Described air-conditioning device includes indoor set and room Outer machine, described indoor set is installed on the medial wall of described cabinet, and described off-premises station is installed on described air-conditioning support plinth, peace The medial wall bottom filling the cabinet of described indoor set is provided with air inlet, the blast pipe being connected with off-premises station pass through described air inlet with Described indoor set is connected, and described indoor set is made up of shell, vaporizer and blower fan, is provided with air-out on the shell of described indoor set Mouthful and fresh wind port, described air outlet be used for by vaporizer carry out the air after heat exchange discharge, by ajutage with located at described The air outlet at riser top is connected, and cold air is delivered to switchgear house, described fresh wind port is connected with described blast pipe；Described air intake Pipe and ajutage are fixed on the medial wall of described cabinet by pipeline, are equipped with close in described air inlet and described air outlet Seal apparatus；Be additionally provided with control device on described cabinet medial wall, described control device include microprocessor, temperature sensor, Humidity sensor, pressure transducer and input keyboard, described microprocessor is arranged at the side towards air conditioning chamber for the described riser, on State three kinds of sensors and be arranged at the side towards switchgear house for the described riser, and by the temperature of switchgear house, humidity and pressure detecting number According to sending described microprocessor to；Described input keyboard is used for being manually entered preset temperature, default humidity and preset pressure；Described Microprocessor includes memory element, for storing the preset value of above-mentioned three kinds of parameters；

Described control device operating procedure is as follows:

(1) temperature sensor, humidity sensor, pressure transducer respectively the temperature value of switchgear house described in continuous acquisition, humidity value, Pressure value；And the analogue signal collecting is converted to by digital signal by a/d module；By transport module, described numeral is believed Number send to described microprocessor；

(2) described microprocessor by the temperature receiving, humidity, pressure digital signal respectively be stored in described memory element The preset value of described three kinds of parameters be compared；Control instruction is generated according to comparative result, and described control instruction is sent To described air-conditioning device；

(3) described air-conditioning device receives described control instruction, and according to described control instruction, air-conditioning device is adjusted to following phase The functional mode answered:

(a) refrigeration mode: when the described distribution indoor temperature that described temperature sensor collects is higher than in described memory element During temperature preset value, air-conditioning device opens refrigeration mode；

(b) dehumidification mode: when the described distribution indoor humidity that described humidity sensor collects is higher than in described memory element During humidity preset value, air-conditioning device opens dehumidification mode；

(c) air vent mode: when the described distribution room pressure that described pressure transducer collects is less than in described memory element During pressure preset, air-conditioning device opens air vent mode.

2. farmland motor-pumped well distribution box according to claim 1 is it is characterised in that set on the inwall of the shell of described indoor set It is equipped with sound-absorbing material, outside described ajutage, be coated with insulation material.

3. farmland motor-pumped well distribution box according to claim 1 is it is characterised in that described microprocessor is FPGA control Device (plc) processed or single-chip microcomputer.

4. farmland motor-pumped well distribution box according to claim 1 is it is characterised in that described transport module is bluetooth module or red Outer mold piece.

5. farmland motor-pumped well distribution box according to any one of claim 1 to 4 is it is characterised in that described input keyboard is Physical keyboard or dummy keyboard.