CN210901320U - Vertical fruit and vegetable drying equipment with clamping and rotating functions - Google Patents

Abstract

Vertical fruit vegetables drying equipment is rotated in centre gripping relates to the fruit vegetables field of making futilely. The utility model relates to a solve the perpendicular fruit vegetables piece of current air dryer and block for wind hot-blast, the fruit vegetables piece that leads to being located the intermediate level is difficult to be blown to, and when the air dryer was on a parallel with the fruit vegetables piece for wind, the fruit vegetables piece area of crossing wind was little, leads to the stoving time long, and long-time heating leads to the problem of fruit vegetables nutrition loss. The utility model discloses multilayer centre gripping group sets up along the axial successive layer of peg, the free end on the long limit of hitching part links to each other with the mid point on a frame limit, two supporting piece mirror symmetry set up, and two frames are each other just to pass through spring coupling on one limit, when two supporting pieces overlap and close up, the long limit of two hitching part can be laminated each other, and the minor face respectively towards both sides, the peg is equipped with a plurality of caulking groove groups along its axial, can stretch into to the cavity inside from the opening of last cavity after hitching part closes up, and the internal portion of cavity of resorption slides downwards, imbed in the caulking groove. The utility model is suitable for a fruit vegetables system is dry.

Description

Vertical fruit and vegetable drying equipment with clamping and rotating functions

Technical Field

The utility model belongs to the field of fruit vegetables system is done.

Background

The dried fruits and vegetables are very popular snacks at present. Because the food does not contain additives, is convenient to carry, is nutritious and delicious, and is gradually sought after by people. In the process of preparing the dried fruits and vegetables, the change of the nutrient components and the quality of the dried fruits and vegetables can be changed along with the drying process. The naturally dried fruits and vegetables are slow in drying, the activity of enzyme cannot be quickly inhibited, a part of sugar and other substances are consumed by respiration, and the longer the time is, the more the nutrient loss is, and the worse the quality is. By adopting manual drying, if the conditions are not well controlled, the temperature is too high or the drying time is too long, sugar can be coked, the color becomes dark, and meanwhile, the vitamin C can be seriously lost. In summary, the drying conditions must be well controlled during the drying process of fruits and vegetables.

The existing drying machine mostly adopts a hot air drying mode, fruits and vegetables are tiled on the air drying support, and the surface temperature of the fruits and vegetables is improved, and air flow is realized, so that the air drying effect of the fruits and vegetables is realized as soon as possible. However, when these drying machines are used, the fruit and vegetable pieces are flatly laid in the box body, if the air is supplied up and down, when the quantity of the fruit and vegetable is large, the flow of the hot air is blocked, the fruit and vegetable pieces in the middle layer are difficult to be blown by the hot air, the heating is uneven, and the quality of the dried fruit finished product is inconsistent. If the air is supplied to the side wall or the rear part of the machine, the wind direction is parallel to the fruit and vegetable slices, the edges of the fruit and vegetable slices are directly opposite to the hot air, the overfire area of the fruit and vegetable slices is small, the drying time is long, and the nutrition loss of the fruit and vegetable can be caused by long-time heating.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the perpendicular fruit vegetables piece of current air dryer when giving wind, hot-blast hindrance, the fruit vegetables piece that leads to being located the intermediate level is difficult to be blown to, and when the air dryer was on a parallel with the fruit vegetables piece given wind, the fruit vegetables piece area of crossing wind was little, leads to the stoving time long, and long-time heating leads to the problem of fruit vegetables nutrition loss, provides the centre gripping now and rotates vertical fruit vegetables drying equipment.

The vertical fruit and vegetable drying equipment comprises a box body and an air heater 2, wherein the box body comprises an outer box body 1-1 and an inner box body 1-2, the inner box body 1-2 is positioned inside the outer box body 1-1, the front wall, the rear wall and the bottom surface of the outer box body 1-1 and the inner box body 1-2 are shared, an equipment cavity 1-3 is arranged between the two box bodies, the rear wall of the outer box body 1-1 is provided with an air exhaust channel, the front wall of the outer box body 1-1 is provided with a box body door, two side walls of the inner box body 1-2 are provided with air supply holes 1-2-1,

the fruit and vegetable drying equipment further comprises: a rotating motor 3, a hanging rod 4 and a multilayer clamping group, wherein the rotating motor 3 and the air heater are both positioned in an equipment cavity 1-3, the hanging rod 4 and the multilayer clamping group are both positioned in an inner box body 1-2, the multilayer clamping group is arranged layer by layer along the axial direction of the hanging rod 4,

the two hot air blowers 2 are respectively positioned at two sides of the inner box body 1-2, the air outlet of the hot air blower 2 is communicated with the air supply hole 1-2-1, the rotating motor 3 is fixed at the top of the inner box body 1-2, the output shaft of the rotating motor 3 penetrates through the top of the inner box body 1-2 and extends into the inner box body 1-2 and is connected with the top end of the hanging rod 4,

each layer of clamping group comprises at least three clamping pieces 5, each clamping piece 5 comprises two clamping pieces, each clamping piece comprises a rectangular frame 5-1 and an L-shaped hanging part 5-3, a plurality of supporting bars are arranged at the hollow position of the frame 5-1, a screen 5-2 covers the surface of the frame 5-1, the free end of the long edge of each hanging part 5-3 is connected with the middle point of one edge of the frame 5-1, the short edge of each hanging part 5-3 is perpendicular to the frame 5-1, the two clamping pieces are arranged in a mirror symmetry mode, one edge, opposite to each other, of the two frames 5-1 is connected through a spring 5-4, each hanging part 5-3 and the spring 5-4 are respectively located on two opposite edges of the frame 5-1, when the two clamping pieces are overlapped and closed, the long edges of the two hanging parts 5-3 can be mutually attached, And the short edges are respectively towards the two sides,

the hanging rod 4 is provided with a plurality of embedding groove groups along the axial direction, each embedding groove group comprises a plurality of embedding grooves 4-1, the plurality of embedding grooves 4-1 are uniformly distributed along the circumferential direction of the hanging rod 4, the number of the embedding groove groups is the same as that of the clamping groups, the number of each embedding groove group is the same as that of each clamping piece 5, each embedding groove 4-1 comprises an upper cavity and a lower cavity which are communicated with each other, the upper cavity is of a cuboid structure, the cross section of the lower cavity is of a T shape, the size of the T shape is completely the same as that of the two hanging parts 5-3 when being closed, and the two hanging parts 5-3 can extend into the upper cavity from an opening of the upper cavity and slide downwards to the inner part of the lower cavity after being closed.

Furthermore, the vertical fruit and vegetable drying equipment with the clamping and rotating functions also comprises a circuit part and a plurality of infrared lamps 6, wherein the circuit part comprises a humidity sensor, a comparison circuit, an infrared lamp driving circuit and an air heater braking circuit,

the humidity sensor is positioned inside the inner box body 1-2 and is used for collecting the humidity inside the inner box body 1-2, the plurality of infrared lamps 6 are uniformly distributed on the inner surface of the inner box body 1-2, the circuit part is positioned inside the equipment cavity 1-3,

the humidity signal output end of the humidity sensor is connected with the humidity signal input end of the comparison circuit, the comparison result output end of the comparison circuit is respectively connected with the comparison result input end of the infrared lamp driving circuit and the comparison result input end of the air heater braking circuit, the infrared lamp driving circuit is used for driving the infrared lamps 6 which are connected in series to be opened, and the air heater braking circuit is used for controlling the power failure of the two air heaters.

Further, the circuit part specifically includes: a humidity sensor, a resistor R, a slide rheostat RP, a comparator, an inverter, a triode Q1, a triode Q2, a relay KM1 and a relay KM2,

the humidity signal output end of the humidity sensor is connected with one input end of a comparator, the immovable end of a slide rheostat RP is connected with the positive electrode of a power supply, the movable end of the slide rheostat RP is simultaneously connected with one end of a resistor R and the other input end of the comparator, the other end of the resistor R is connected with a power ground, the signal output end of the comparator is simultaneously connected with the input end of an inverter and the base of a triode Q1, the emitting electrode of a triode Q1 is connected with the power ground, a coil of a relay KM1 is connected in series on a circuit between the collecting electrode of a triode Q1 and the positive electrode of the power supply, a normally open switch of a relay KM1 is connected in series on a circuit between a plurality of infrared lamps 6 and the power supply, the output end of the inverter is connected with the base of a triode Q2, the emitting electrode of a triode Q2 is connected with the power ground, a coil of a relay KM2 is connected in series on a circuit between the collecting.

Furthermore, the vertical fruit and vegetable drying equipment with the clamping and rotating function also comprises a plurality of bearing discs 7 with the same number as the clamping groups,

the bearing discs 7 are disc-shaped, the tail ends of the hanging rods 4 sequentially penetrate through the centers of the bearing discs 7 and are fixedly connected with the bearing discs 7, the bearing discs 7 are respectively in one-to-one correspondence with the clamping groups, and each bearing disc 7 is located below the corresponding clamping group.

Furthermore, one end of the air exhaust channel on the rear wall of the outer box 1-1 is positioned below the middle part of the rear wall, and the other end is positioned above the rear wall.

Centre gripping rotates vertical fruit vegetables drying equipment, change the mode of current tiling fruit vegetables piece into vertical centre gripping formula, then regard the flabellum of holding piece as the fan, make it rotate and drive the air flow, reduce the fruit vegetables piece and to hot-blast blockking for hot-blast can the even flow distribution. Meanwhile, the mode of side wall air supply is adopted, so that the wind direction is perpendicular to the surface of the fruit and vegetable slices, the over-wind area of the fruit and vegetable slices is increased, the drying time is saved, and the nutrition loss is reduced.

Drawings

FIG. 1 is a schematic view of the external structure of the vertical fruit and vegetable drying device with clamping and rotating function of the present invention;

FIG. 2 is a cross-sectional view of the vertical fruit and vegetable drying device with clamping and rotating function according to the present invention;

FIG. 3 is a schematic plan view of the clamp;

FIG. 4 is a schematic perspective view of the clamping members when they are closed;

FIG. 5 is a schematic perspective view of the clip when deployed;

FIG. 6 is a schematic perspective view of the hanging part and the hanging rod;

fig. 7 is a circuit diagram of a circuit portion in the second embodiment.

Detailed Description

The first embodiment is as follows: referring to fig. 1 to 6 to explain the embodiment specifically, the clamping and rotating vertical fruit and vegetable drying device 1 comprises a box body and an air heater 2, wherein the box body comprises an outer box body 1-1 and an inner box body 1-2, the inner box body 1-2 is positioned inside the outer box body 1-1, the front wall, the rear wall and the bottom surface of the outer box body 1-1 and the inner box body 1-2 are shared, a device cavity 1-3 is arranged between the two box bodies, the rear wall of the outer box body 1-1 is provided with an air exhaust channel, the front wall of the outer box body 1-1 is provided with a box body door, two side walls of the inner box body 1-2 are provided with air supply holes 1-2-1,

the fruit and vegetable drying equipment further comprises: a rotating motor 3, a hanging rod 4 and a multilayer clamping group, wherein the rotating motor 3 and the air heater are both positioned in an equipment cavity 1-3, the hanging rod 4 and the multilayer clamping group are both positioned in an inner box body 1-2, the multilayer clamping group is arranged layer by layer along the axial direction of the hanging rod 4,

the two hot air blowers 2 are respectively positioned at two sides of the inner box body 1-2, the air outlet of the hot air blower 2 is communicated with the air supply hole 1-2-1, the rotating motor 3 is fixed at the top of the inner box body 1-2, the output shaft of the rotating motor 3 penetrates through the top of the inner box body 1-2 and extends into the inner box body 1-2 and is connected with the top end of the hanging rod 4,

each layer of clamping group comprises at least three clamping pieces 5, each clamping piece 5 comprises two clamping pieces, each clamping piece comprises a rectangular frame 5-1 and an L-shaped hanging part 5-3, a plurality of supporting bars are arranged at the hollow position of the frame 5-1 and can be arranged in parallel or in a structure like a Chinese character 'mi', a screen 5-2 is covered on the surface of the frame 5-1, the free end of the long edge of the hanging part 5-3 is connected with the middle point of one edge of the frame 5-1, the short edge of the hanging part 5-3 is perpendicular to the frame 5-1, the two clamping pieces are arranged in a mirror symmetry mode, one edge of the two frames 5-1, which are opposite to each other, is connected through a spring 5-4, the hanging part 5-3 and the spring 5-4 are respectively positioned on the two edges of the frames 5-1, when the two clamping pieces are overlapped and, the long sides of the two hanging parts 5-3 can be mutually jointed, the short sides of the two hanging parts respectively face to two sides, the two hanging parts 5-3 are in a T shape,

the hanging rod 4 is provided with a plurality of embedding groove groups along the axial direction, each embedding groove group comprises a plurality of embedding grooves 4-1, the plurality of embedding grooves 4-1 are uniformly distributed along the circumferential direction of the hanging rod 4, the number of the embedding groove groups is the same as that of the clamping groups, the number of each embedding groove group is the same as that of each clamping piece 5, each embedding groove 4-1 comprises an upper cavity and a lower cavity which are communicated with each other, the upper cavity is of a cuboid structure, the cross section of the lower cavity is of a T shape, the cross section is a radial surface of the hanging rod 4, the size of the T shape is completely the same as that of the two hanging parts 5-3 when the two hanging parts 5-3 are closed, and the two hanging parts 5-3 can extend into the upper cavity from an opening of the upper cavity and slide downwards to the inner part of the lower cavity after being closed.

In practical application, the processed fruits and vegetables are uniformly laid on the clamping pieces, then the two clamping pieces are mutually attached, so that the two hanging parts 5-3 are closed, the two hanging parts 5-3 which are combined into a T shape extend into the upper cavity from the opening of the upper cavity of the embedding groove 4-1, and then slide downwards until the bottom of the lower cavity. Because the cross section of the lower cavity is identical to the size of the two hanging parts 5-3 after being folded, when the two hanging parts 5-3 are completely positioned in the lower cavity after being folded, a locking effect is achieved, the two clamping pieces are kept to be folded, and the middle fruits and vegetables are clamped and fixed in the clamping pieces. In order to prevent the fruits and vegetables from being damaged in the clamping process, the spring 5-4 is arranged to adjust the space between the two clamping pieces, so that the two clamping pieces are suitable for clamping food materials with different sizes and thicknesses. Meanwhile, when the water loss of fruits and vegetables is reduced, the springs 5-4 rebound, and the food materials can be constantly clamped and cannot fall off.

Simultaneously this embodiment will have the mode of tiling fruit vegetables now and change into vertical centre gripping mode, also can make full use of box inner space, dry when guaranteeing a large amount of edible materials.

After all the clamping pieces 5 are completely installed on the hanging rod 4, the motor 3 and the air heater 2 are started, all the clamping pieces 5 start to rotate under the driving of the motor 3, and in the rotating process, the flat structure of each clamping piece 5 is similar to the principle of a fan blade, so that the air inside the inner box body 1-2 can be driven to flow, and the air flow caused by a large amount of fruits and vegetables is prevented from being blocked. After the hot air flow in the inner box body 1-2 is promoted to flow, the fruits and vegetables are heated more uniformly, and the consistency rate of the quality of dried fruit finished products is improved. In addition, the lateral wall is used for supplying air, when the motor drives the clamping piece 5 to rotate, the wind direction and the fruit and vegetable slices form a vertical angle, the over-wind area of the fruit and vegetable slices is large, the drying rate is improved, the time is shortened, and the loss of nutrition is reduced.

In the embodiment, the motor 3 is arranged at the top, so that scattered food debris is prevented from flying into the motor, machine failure is avoided, and the service life of the equipment is prolonged. In practical application, JS30 is adopted to reduce the speed of the motor.

Furthermore, fruit vegetables drying equipment of this embodiment still include a plurality of accepting dishes 7 the same with centre gripping group quantity, accept dish 7 and be the disc, and its diameter is greater than two holders 5 that are located the same diameter of peg 4, and the end of peg 4 passes a plurality of centers of accepting dish 7 in proper order and accepts dish 7 fixed connection with a plurality of, and a plurality of accepting dishes 7 respectively with a plurality of centre gripping group one-to-one, every accepting dish 7 all is located its corresponding centre gripping group below. The bearing plate 7 is used for bearing broken slag of fruits and vegetables, and prevents broken slag of different food materials on the upper layer from falling into the food materials on the lower layer, so that the food materials are prevented from being mixed.

Furthermore, one end of an air exhaust channel on the rear wall of the outer box body 1-1 is positioned below the middle part of the rear wall, and the other end of the air exhaust channel is positioned above the rear wall. Because the air flow in the box body is large, the food scraps can be inevitably driven to fly away. This embodiment sets up the passageway of airing exhaust into the slant structure that inside air intake is less than outside air outlet, can reduce the probability that the disintegrating slag flies out the box, keeps establishing cleanliness on every side.

The second embodiment is as follows: referring to fig. 7, the embodiment is described in detail, and further describes the vertical fruit and vegetable drying equipment with clamping and rotating as described in the first embodiment, in the embodiment, the fruit and vegetable drying equipment further comprises a circuit part and a plurality of infrared lamps 6, the circuit part comprises a humidity sensor, a comparison circuit, an infrared lamp driving circuit and an air heater braking circuit,

the humidity sensor is positioned inside the inner box body 1-2 and is used for collecting the humidity inside the inner box body 1-2, the plurality of infrared lamps 6 are uniformly distributed on the inner surface of the inner box body 1-2, the circuit part is positioned inside the equipment cavity 1-3,

the humidity signal output end of the humidity sensor is connected with the humidity signal input end of the comparison circuit, the comparison result output end of the comparison circuit is respectively connected with the comparison result input end of the infrared lamp driving circuit and the comparison result input end of the air heater braking circuit, the infrared lamp driving circuit is used for driving the infrared lamps 6 which are connected in series to be opened, and the air heater braking circuit is used for controlling the power failure of the two air heaters.

Specifically, the comparison circuit comprises a resistor R, a slide rheostat RP and a comparator, the infrared lamp driving circuit comprises a triode Q1 and a relay KM1, the hot air blower braking circuit comprises an inverter, a triode Q2 and a relay KM2,

the humidity signal output end of the humidity sensor is connected with one input end of a comparator, the immovable end of a slide rheostat RP is connected with the positive electrode of a power supply, the movable end of the slide rheostat RP is simultaneously connected with one end of a resistor R and the other input end of the comparator, the other end of the resistor R is connected with a power ground, the signal output end of the comparator is simultaneously connected with the input end of an inverter and the base of a triode Q1, the emitting electrode of a triode Q1 is connected with the power ground, a coil of a relay KM1 is connected in series on a circuit between the collecting electrode of a triode Q1 and the positive electrode of the power supply, a normally open switch of a relay KM1 is connected in series on a circuit between a plurality of infrared lamps 6 and the power supply, the output end of the inverter is connected with the base of a triode Q2, the emitting electrode of a triode Q2 is connected with the power ground, a coil of a relay KM2 is connected in series on a circuit between the collecting.

In the embodiment, the slide rheostat RP is adjusted to set the humidity value, then the humidity sensor is used for collecting the humidity inside the box body in real time, and when the humidity drops to the set value, the fruits and vegetables are dehydrated to a certain amount. If the hot air dehydration is continuously maintained, the nutrition in the food material is easily lost. At the moment, the comparator outputs high level, the triode Q1 is conducted, the coil of the relay KM1 is electrified, the normally open switch is driven to be closed, and the infrared lamp 6 is electrified to start working. Meanwhile, the high level output by the comparator is reversed by the inverter, the triode Q2 is cut off, the relay KM2 loses power, the normally closed switch is switched off, and the air heater 2 is powered off and stops working. Through the steps, the switching between wind heat and lamp heat is completed.

When the fruit and vegetable slices are air-dried to a certain humidity, the edge positions of the fruit and vegetable slices become crisp first. The flowing wind easily blows the brittle part off, and slag is generated. Therefore, the present embodiment switches the wind heat to the lamp heat at a certain humidity. On one hand, the heat mode of the lamp is more uniform, on the other hand, the motor can not generate overlarge wind speed in rotation, the probability of being blown off is reduced, and the occurrence of slag is reduced. Specifically, the humidity during switching can be adaptively adjusted according to different food material categories.

The infrared drying lamp is a light source started by a tungsten filament sleeved quartz lamp tube with a high-power supply. The light source belongs to the halogen tungsten lamp series, the wavelength range is 0.76-5 μm, the peak wavelength is 4 μm, the light source emits short and medium wave infrared rays, and the light source is a high-efficiency heating source. When the color temperature reaches 2500K, the infrared spectrum output of the lamp is zui large, some lamps are provided with reflecting layers, and the lamp filaments are supported by tungsten wires to prevent sagging, so that the lamp has high efficiency and quick heat transfer. The lamp has the advantages of sensitive response to the control device, compact structure, light weight and the like, and the lighting position can be horizontal or any position.

Infrared radiation heating light source classification:

1. short wave-high power, strong penetrating power. With relatively high power, the radiation can be concentrated at the target and provide high efficiency heat energy, and since it can reach full duty operating intensity in a few seconds, short wave radiant heating sources are well suited to process flows that require rapid stopping and starting.

2. Fast medium wave-stability, high efficiency, quick on-off reaction.

3. Medium wave-high efficiency and economy. The surface and the thin layer of the object can be heated rapidly, and the medium wave is characterized by being absorbed by a water film rapidly, and is particularly suitable for the drying process compared with a short wave radiator.

In practice, a 250w infrared food heating lamp model philips IR250CH may be used.

In practical application, the adjusting button of the slide rheostat is positioned outside the box body, and the humidity set value is adjusted by adjusting the resistance value of the slide rheostat.

Claims (5)

1. The vertical fruit and vegetable drying equipment with the clamping and rotating functions comprises a box body and an air heater (2), and is characterized in that the box body comprises an outer box body (1-1) and an inner box body (1-2), the inner box body (1-2) is positioned inside the outer box body (1-1), the front wall, the rear wall and the bottom surface of the outer box body (1-1) and the inner box body (1-2) are shared, an equipment cavity (1-3) is arranged between the two box bodies, an air exhaust channel is arranged on the rear wall of the outer box body (1-1), a box body door is arranged on the front wall of the outer box body (1-1), air supply holes (1-2-1) are formed in two side walls of the inner box body (1-2,

the fruit and vegetable drying equipment further comprises: a rotating motor (3), a hanging rod (4) and a multilayer clamping group, wherein the rotating motor (3) and the air heater are both positioned in the equipment cavity (1-3), the hanging rod (4) and the multilayer clamping group are both positioned in the inner box body (1-2), the multilayer clamping group is arranged layer by layer along the axial direction of the hanging rod (4),

the two air heaters (2) are respectively positioned at two sides of the inner box body (1-2), the air outlet of the air heater (2) is communicated with the air supply hole (1-2-1), the rotating motor (3) is fixed at the top of the inner box body (1-2), the output shaft of the rotating motor (3) penetrates through the top of the inner box body (1-2) to extend into the inner box body (1-2) and is connected with the top end of the hanging rod (4),

each layer of clamping group comprises at least three clamping pieces (5), each clamping piece (5) comprises two clamping pieces, each clamping piece comprises a rectangular frame (5-1) and an L-shaped hanging part (5-3), a plurality of supporting bars are arranged at the hollow position of each frame (5-1), a screen (5-2) is covered on the surface of each frame (5-1), the free end of the long edge of each hanging part (5-3) is connected with the middle point of one edge of each frame (5-1), the short edge of each hanging part (5-3) is perpendicular to each frame (5-1), the two clamping pieces are arranged in a mirror symmetry mode, one edge, opposite to each other, of each frame (5-1) is connected through a spring (5-4), each hanging part (5-3) and each spring (5-4) are respectively positioned on two opposite edges of each frame (5-1), when the two clamping pieces are overlapped and closed, the long sides of the two hanging parts (5-3) can be mutually attached, and the short sides respectively face to the two sides,

the hanging rod (4) is provided with a plurality of embedding groove groups along the axial direction, each embedding groove group comprises a plurality of embedding grooves (4-1), the plurality of embedding grooves (4-1) are evenly distributed along the circumferential direction of the hanging rod (4), the number of the embedding groove groups is the same as that of the clamping groups, the number of the embedding grooves in each group is the same as that of the clamping parts (5) in each group, each embedding groove (4-1) comprises an upper cavity and a lower cavity which are communicated with each other, the upper cavity is of a cuboid structure, the cross section of the lower cavity is of a T shape, the size of the T shape is completely the same as that of the two hanging parts (5-3) when the two hanging parts are closed, and the two hanging parts (5-3) can extend into the upper cavity from an opening of the upper cavity after being closed and slide downwards to the inner part of the lower cavity.

2. The vertical fruit and vegetable drying equipment with clamping and rotating functions as claimed in claim 1, further comprising a circuit part and a plurality of infrared lamps (6), wherein the circuit part comprises a humidity sensor, a comparison circuit, an infrared lamp driving circuit and a hot air blower braking circuit,

the humidity sensor is positioned inside the inner box body (1-2) and is used for collecting the humidity inside the inner box body (1-2), the plurality of infrared lamps (6) are uniformly distributed on the inner surface of the inner box body (1-2), the circuit part is positioned inside the equipment cavity (1-3),

the humidity signal output end of the humidity sensor is connected with the humidity signal input end of the comparison circuit, the comparison result output end of the comparison circuit is respectively connected with the comparison result input end of the infrared lamp driving circuit and the comparison result input end of the air heater braking circuit, the infrared lamp driving circuit is used for driving a plurality of infrared lamps (6) which are connected in series to be opened, and the air heater braking circuit is used for controlling two air heaters to be powered off.

3. The vertical fruit and vegetable drying apparatus with clamping and rotating function as claimed in claim 2, wherein the circuit part comprises: a humidity sensor, a resistor R, a slide rheostat RP, a comparator, an inverter, a triode Q1, a triode Q2, a relay KM1 and a relay KM2,

the humidity signal output end of the humidity sensor is connected with one input end of a comparator, the immovable end of a slide rheostat RP is connected with the positive electrode of a power supply, the movable end of the slide rheostat RP is simultaneously connected with one end of a resistor R and the other input end of the comparator, the other end of the resistor R is connected with a power ground, the signal output end of the comparator is simultaneously connected with the input end of an inverter and the base electrode of a triode Q1, the emitting electrode of a triode Q1 is connected with the power ground, a coil of a relay KM1 is connected in series on a passage between the collecting electrode of a triode Q1 and the positive electrode of the power supply, a normally open switch of a relay KM1 is connected in series on a passage between a plurality of infrared lamps (6) and the power supply, the output end of the inverter is connected with the base electrode of a triode Q2, the emitting electrode of a triode Q2 is connected with the power ground, a coil of a relay KM2 is connected in series on a passage between.

4. The vertical fruit and vegetable drier according to claim 1, 2 or 3, characterized by comprising a plurality of trays (7) with the same number as the clamping groups,

the bearing discs (7) are disc-shaped, the tail ends of the hanging rods (4) sequentially penetrate through the centers of the bearing discs (7) and are fixedly connected with the bearing discs (7), the bearing discs (7) are respectively in one-to-one correspondence with the clamping groups, and each bearing disc (7) is located below the corresponding clamping group.

5. The vertical fruit and vegetable drier with clamping and rotating function as claimed in claim 1, 2 or 3, wherein the air exhaust channel on the back wall of the outer box (1-1) has one end located in the middle and lower part of the back wall and the other end located above the back wall.

Images