CN210368362U - Intelligent clothes hanger based on STM32 singlechip - Google Patents

Abstract

The utility model discloses an intelligent clothes hanger based on STM32 single chip microcomputer, which comprises a rectangular clothes hanger composed of two first vertical bars, two second vertical bars, a top plate and a bottom plate, wherein the clothes hanger is fixed on mounting seats at two sides of the clothes hanger through a first fixing rod and a second fixing rod; the mounting base is composed of a sliding rail, a screw rod, a lifting control motor, a first sliding block and a second sliding block. The top of the top plate is provided with a temperature and humidity sensor and a control box, the bottom of the top plate is provided with a rainproof mechanism consisting of a central shaft, a spring turntable and rainproof cloth in different directions, the central shaft is fixed on a clothes airing support, the spring turntable is sleeved on the central shaft, the rainproof cloth is sleeved on the spring turntable, the lower part of the bottom plate is provided with a winding mechanism driven by a winding control motor, a pull rope of the winding mechanism is fixedly connected with the rainproof cloth, and the temperature and humidity sensor and the winding control motor are all connected with an STM32 single chip microcomputer in the control. The problem of current clothes hanger rain-proof effect not good, sunning stability do not have the assurance is solved.

Description

Intelligent clothes hanger based on STM32 singlechip

Technical Field

The utility model belongs to the intelligent control field relates to an intelligence clothes hanger that dries in air based on STM32 singlechip.

Background

Along with the urbanization development, the real estate industry has emerged, and a large amount of extra business workers can lay their homes in cities, but because of limited land resources, more and more residential buildings are only provided with windows or small bay windows, which causes inconvenience in clothes drying of residents. Especially for office workers, the intelligent rainproof clothes hanger is not at home when airing clothes in the daytime, and the clothes cannot be timely retracted to cause the problems of being wetted by rain and the like when encountering severe weather such as wind, rain and the like.

The invention patent with the publication number of CN107338624A discloses a rain-proof intelligent clothes hanger capable of being automatically folded and unfolded, a rain sensor is used for sensing weather conditions and controlling a motor, the motor drives a pulling rope, the pulling rope pulls a folding rain-proof cloth to prevent rain, but the rain can be shielded only on the front side, and the rain-proof effect is poor.

The utility model discloses a utility model patent that the bulletin number is CN205856877U discloses an intelligence clothes hanger that dries in air, when the sensor senses raining, will prop clothing pole folding into the ascending V style of calligraphy of opening earlier, then control the folding canopy of its top again and expand, hide rain, nevertheless when propping clothing pole folding into the ascending V style of calligraphy of opening, the clothes of sunning can move down, only sets up folding canopy above it, the clothes of sunning is drenched by the rainwater of other directions easily, rain-proof effect is not good.

The utility model discloses an authorization publication number is CN 208455300U's utility model patent discloses an intelligence clothes hanger that dries in air and intelligence clothes and luggage system that dries in air, it all is equipped with the book curtain through motor control in clothes hanger top, left side and right side, and it is rain-proof respond well, nevertheless does not possess automatic contraction function because of it for this intelligence clothes hanger that dries in air is bulky, and the stability of drying in the air clothes hanger that dries in the air can receive the threat under bad weather such as blowing wind and raining, is difficult to guarantee sunning stability.

Disclosure of Invention

An object of the utility model is to provide an intelligence clothes hanger that dries in air based on STM32 singlechip to solve the problem that the rain-proof effect of the rain-proof clothes hanger that dries in air of current intelligence is not good, sunning stability does not have the assurance.

The utility model adopts the technical scheme that the intelligent clothes hanger based on the STM32 single chip microcomputer comprises a clothes hanger bracket, wherein a clothes hanging rod is fixed on the clothes hanger bracket, the clothes hanger bracket is fixed on a first fixed rod and a second fixed rod, the first fixed rod and the second fixed rod are horizontally arranged and are parallel to each other, and the second fixed rod is positioned under the first fixed rod; the first fixing rod and the second fixing rod are fixed on the mounting seats at two sides of the first fixing rod and the second fixing rod;

the mounting seat is composed of a slide rail, a lead screw, a lifting control motor, a first slider and a second slider, the lifting control motor is fixed at the top of the slide rail, one end of the lead screw is connected with an output shaft of the lifting control motor, the other end of the lead screw penetrates through the top of the slide rail and is fixed at the bottom of the slide rail, the first slider and the second slider are both fixed on the lead screw, two ends of a first fixing rod are respectively fixedly connected with the first slider, and two ends of a second fixing rod are respectively fixedly connected with the second slider.

Further, the clothes airing support is a cuboid support consisting of two first vertical rods, two second vertical rods, a top plate and a bottom plate, the top plate is fixed to the top of the first fixed rod, and the bottom plate is fixed to the side face of the second fixed rod; first montant and second montant vertical fixation are in the roof bottom, and the perpendicular fixed connection of one end of a second montant and first dead lever and second dead lever, the perpendicular fixed connection of the other end of another second montant and first dead lever and second dead lever, the bottom plate is fixed in the rectangle frame that two first montants and two second montants formed.

Furthermore, a rainproof mechanism located below the top plate is fixed between each two adjacent first vertical rods and each second vertical rod and each first vertical rod.

Furthermore, the rain-proof mechanism consists of a central shaft, a spring turntable and rain-proof cloth, the central shaft of one rain-proof mechanism is fixed between a first vertical rod and a second vertical rod which are adjacent, the central shaft of the other rain-proof mechanism is fixed between the first vertical rod and the second vertical rod which are adjacent, the central shaft of the third rain-proof mechanism is fixed between the two first vertical rods, two guide chutes are arranged on the first vertical rod, one guide chute is arranged on the second vertical rod, the guide chute on the second vertical rod is arranged opposite to one guide chute opening on the adjacent first vertical rod, the other guide chute opening of the two first vertical rods is arranged opposite, at least one spring turntable capable of rotating along the central shaft is sleeved on each central shaft, a waterproof cloth is wound on the central shaft and the spring turntable, one end of the waterproof cloth is fixed on the spring turntable, and the other end of the waterproof cloth is arranged in the chute corresponding to the waterproof cloth;

the bottom plate top is equipped with wire winding control motor, and the bottom plate bottom is fixed with wire winding mechanism, and wire winding mechanism is formed by first reel, second reel and third reel from the top down fixed connection in proper order, and first reel cup joints on wire winding control motor runs through the motor output shaft of bottom plate, and first reel, second reel and third reel are connected through stay cord above that and the one end one-to-one that three rain-proof mechanism's waterproof cloth is located the spout.

Furthermore, a pulley is arranged at the bottom of one side of the bottom plate corresponding to each rainproof mechanism, and a pull rope on each reel of the winding mechanism is fixedly connected with the rainproof cloth of the rainproof mechanism on the side through the pulley on the side.

Further, the clothes-horse is fixed on the top plate.

Further, roof top is equipped with control box and temperature and humidity sensor, is equipped with STM32 singlechip, drive module, steady voltage chip and power in the control box, STM32 singlechip through drive module and wire winding control motor electric connection, and temperature and humidity sensor passes through its IO port with the STM32 singlechip to be connected, and the power is connected with STM32 singlechip, temperature and humidity sensor through steady voltage chip.

Furthermore, a clothes hanger ascending control switch, a clothes hanger descending control switch and a waterproof cloth control switch are arranged on the slide rail, the lifting control motor is electrically connected with the power supply through the clothes hanger ascending control switch to realize reverse rotation, the lifting control motor is electrically connected with the power supply through the clothes hanger descending control switch to realize forward rotation, and the waterproof cloth control switch is connected with the STM32 single chip microcomputer through an I/O port of the waterproof cloth control switch.

Further, the STM32 singlechip is an STM32F103 singlechip, the drive module is an A4988 stepping motor drive module, and the temperature and humidity sensor is a DTH11 temperature and humidity sensor or a DTH22 temperature and humidity sensor.

Furthermore, a plurality of temperature and humidity sensors positioned at different directions are arranged at the top of the top plate;

inclined support rods are arranged between the second vertical rod and the bottom plate and between the second vertical rod and the top plate;

the top plate is a light-transmitting light plate.

The beneficial effects of the utility model are that, set up the roof, set up temperature and humidity sensor on the roof to set up rain-proof mechanism around the roof below, when raining, temperature and humidity sensor will detect signal transmission to STM32 singlechip, STM32 single chip microcomputer control wire winding control motor rotates, twines the stay cord, and under the effect of stay cord, the spring carousel is compressed tightly, expandes waterproof cloth, carries out rain-proofly, and is rain-proof effectual, has effectively solved the current rain-proof not good problem of clothes hanger rain-proof effect of drying in the air of intelligence. After the rain stops, the temperature and humidity sensor sends the detected signal once more for the STM32 singlechip, and STM32 singlechip control wire winding control motor carries out the rotation of opposite direction, loosens the stay cord, and under the spring action of spring carousel, the waterproof cloth is packed up, adopts a plurality of reel work of motor simultaneous control to adopt the tape measure principle to carry out the expansion of waterproof cloth and pack up work, simple structure, with low costs.

In addition, the screw rod is arranged in the slide rail, the slide block fixed on the screw rod drives the fixed rods of the two fixed clothes drying racks to move up and down, so that the automatic adjustment of the height of the clothes drying racks is realized, the clothes drying racks are effectively fixed, and the problem that the airing stability of the existing intelligent rainproof clothes drying racks is not guaranteed is effectively solved. Easy operation and convenient use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is the utility model discloses intelligence clothes hanger installation schematic diagram that dries in air based on STM32 singlechip.

FIG. 2 is the utility model discloses intelligence clothes hanger structure schematic diagram that dries in air based on STM32 singlechip.

Figure 3 is the utility model discloses intelligence clothes hanger left side cross-sectional view that dries in air based on STM32 singlechip.

In the drawing, 1, a sliding rail, 2, a screw rod, 3, a lifting control motor, 4, a first sliding block, 5, a second sliding block, 6, a first fixing rod, 7, a second fixing rod, 8, a first vertical rod, 9, a second vertical rod, 10, a clothes rod, 11, a control box, 12, a temperature and humidity sensor, 13, a guide sliding groove, 14, a pull rope, 15, a pulley, 16, a top plate, 17, a bottom plate, 18, a supporting rod, 19, a clothes hanger ascending control switch, 20, a clothes hanger descending control switch, 21, a waterproof cloth control switch, 22, a first winding wheel, 23, a second winding wheel, 24, a third winding wheel, 25, a winding control motor, 26, a rainproof mechanism, 26-1, 26-2, a spring rotating disc and 26-3 center shafts are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An intelligent clothes hanger based on an STM32 single chip microcomputer is shown in figures 1-3 and comprises a clothes hanging support consisting of a first vertical rod 8, a second vertical rod 9, a top plate 16 and a bottom plate 17; the clothes drying support is fixed on a first fixing rod 6 and a second fixing rod 7, the first fixing rod 6 and the second fixing rod 7 are horizontally arranged and are parallel to each other, and the second fixing rod 7 is positioned under the first fixing rod 6; first dead lever 6 and second dead lever 7 all are fixed in on the mount pad of its both sides, the mount pad comprises slide rail 1, lead screw 2, lift control motor 3, first slider 4, second slider 5, lift control motor 3 is fixed in slide rail 1 top, lift control motor 3's output shaft is connected to 2 one end of lead screw, the other end runs through 1 top after-fixing in slide rail 1 bottom of slide rail, on first slider 4 and second slider 5 all were fixed in lead screw 2, 6 both ends of first dead lever respectively with a first slider 4 fixed connection, 7 both ends of second dead lever respectively with a second slider 5 fixed connection. The lifting control motor 3 rotates forwards or backwards, so that the first fixing rod 6 and the second fixing rod 7 can move up and down along the sliding rail 1 through the screw rod 2. First dead lever 6 top is fixed with roof 16, second dead lever 7 side is fixed with bottom plate 17, roof 16 is parallel to each other with bottom plate 17, roof 16 bottom vertical fixation has two first montants 8 and two second montants 9, a second montant 9 respectively with first dead lever 6 and the perpendicular fixed connection of second dead lever 7 one end, another second montant 9 respectively with first dead lever 6 and the perpendicular fixed connection of second dead lever 7 other end, bottom plate 17 is fixed in the rectangular frame that two first montants 8 and two second montants 9 formed. Rain-proof mechanism 26 that is located the roof 16 bottom all is fixed with between adjacent first montant 8 and second montant 9 and between two first montants 8, rain-proof mechanism 26 comprises center pin 26-3, spring carousel 26-2 and waterproof cloth 26-1, two center pins 26-3 are fixed in between adjacent first montant 8 and second montant 9, a center pin 26-3 is fixed in between two first montants 8, and adjacent first montant 8 and second montant 9 and two first montants 8 are located the direction spout 13 that the opening set up relatively on the position of rainproof mechanism 26 lower part, direction spout 13 is used for when expanding or packing up waterproof cloth 26-1, lead to waterproof cloth 26-1, guarantee to hide the rain effect. Each central shaft 26-3 is sleeved with at least one spring turntable 26-2 capable of rotating along the central shaft, the waterproof cloth 26-1 is wound on the central shaft 26-3 and the spring turntable 26-2, one end of the waterproof cloth is fixed on the spring turntable 26-2, and the other end of the waterproof cloth is arranged in the corresponding chute 13.

The top of bottom plate 17 is equipped with wire winding control motor 25, and bottom plate 17 bottom is fixed with wire winding mechanism, and wire winding mechanism is formed by first reel 22, second reel 23 and the fixed connection in proper order from the top down of third reel 24, and first reel 22 cup joints on wire winding control motor 25 runs through the motor output shaft of bottom plate 17. The bottom of the bottom plate 17 at one side corresponding to each rainproof mechanism 26 is provided with a pulley 15, and the pull rope 14 on each reel of the winding mechanism is fixedly connected with the rainproof cloth 26-1 of each rainproof mechanism 26 through the pulley 15.

The clothes-horse 10 is fixed on the top plate 16, and the number of the clothes-horse 10 is 1-2 best.

Roof 16 top is equipped with control box 11 and temperature and humidity sensor 12, temperature and humidity sensor 12 adopts DTH11 or DTH22, be equipped with clothes hanger rising control switch 19 on arbitrary slide rail 1, clothes hanger decline control switch 20 and waterproof cloth control switch 21 of drying in the air, be equipped with the controller in the control box 11, drive module, steady voltage chip and power, the utility model discloses the controller adopts STM32F103 singlechip, temperature and humidity sensor 12, waterproof cloth control switch 21 all are connected through its IO port with the STM32 singlechip, STM32F103 singlechip is through drive module and wire winding control motor 25 electric connection, the utility model discloses drive module adopts A4988 step motor drive module, and STM32F103 singlechip passes through its timer module output PWM control signal, control A4988 step motor drive module, and drive wire winding control motor 25 moves. The lifting control motor 3 is electrically connected with the power supply through a clothes hanger lifting control switch 19, so that the lifting control motor 3 is reversely rotated to control the lifting of the clothes hanger. The lifting control motor 3 is electrically connected with the power supply through the clothes hanger descending control switch 20, so that the forward rotation of the lifting control motor 3 and the descending control of the clothes hanger are realized. The power supply carries out voltage conversion through different steady voltage chips, realizes the required operating voltage of STM32F103 singlechip and temperature and humidity sensor 12, and the steady voltage chip model can be selected according to the operating voltage that supply voltage, STM32F103 singlechip and temperature and humidity sensor 12 need, for the common general knowledge in this field. The waterproof cloth control switch 21 is arranged to prevent the situation that the waterproof cloth cannot be automatically folded after being unfolded due to the reasons of faults of the temperature and humidity sensor and the like, and the waterproof cloth control switch 21 can be pressed to fold the waterproof cloth. The STM32F103 singlechip realizes that the manual of waterproof cloth is packed up through its disconnected module, and when artifical manual pressing waterproof cloth control switch 21, the STM32F103 singlechip received corresponding signal of telecommunication through its IO port, and the interrupt is opened, controls three wire wound motor corotation, loosens stay cord 14, under the effect of spring carousel 26-2, and the waterproof cloth is automatic to be packed up.

In order to enable the intelligent clothes hanger to have good sensitivity, a plurality of temperature and humidity sensors 12 can be arranged on the top plate 16 in different directions, so that the monitoring on the weather conditions is more sensitive.

When the window is used, the two sliding rails 1 can be fixed on two sides of a window or a bay window according to requirements, and any window can be opened to carry out airing work. And the clothes hanger is put at a proper height to dry the clothes by pressing the clothes hanger rising control switch 19 and the clothes hanger falling control switch 20, and in addition, after the clothes are hung on the clothes hanger, the clothes hanger falling control switch 20 can be pressed to put the clothes hanger below the window so as not to block the indoor light. The positions of the clothes hanger ascending control switch 19, the clothes hanger descending control switch 20 and the waterproof cloth control switch 21 can be flexibly arranged according to requirements.

To further ensure the stability of the clothes drying support, inclined support bars 18 are provided between the second vertical bar 9 and the bottom plate 17 and between the second vertical bar 9 and the top plate 16.

The base plate 17 serves to fix the winding mechanism and the pulley 15, on the one hand, and to prevent the clothes from falling, on the other hand. The top plate 16 is used for fixing the temperature and humidity sensor 12, and preventing garbage or bird droppings from dropping to soil clothes. The top plate 16 is a light-transmitting light plate, such as transparent PVC soft glass, which does not affect the normal airing of the clothes and can play a corresponding role in fixing and protecting.

It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The intelligent clothes hanger based on the STM32 single chip microcomputer is characterized by comprising a clothes hanging support, wherein a clothes hanging rod (10) is fixed on the clothes hanging support, the clothes hanging support is fixed on a first fixing rod (6) and a second fixing rod (7), the first fixing rod (6) and the second fixing rod (7) are horizontally arranged and are parallel to each other, and the second fixing rod (7) is positioned under the first fixing rod (6); the first fixing rod (6) and the second fixing rod (7) are fixed on the mounting seats at two sides of the first fixing rod;

the mounting seat is by slide rail (1), lead screw (2), lift control motor (3), first slider (4), second slider (5) are constituteed, lift control motor (3) are fixed in slide rail (1) top, the output shaft of lift control motor (3) is connected to lead screw (2) one end, the other end runs through slide rail (1) top after-fixing in slide rail (1) bottom, on lead screw (2) were all fixed in first slider (4) and second slider (5), first dead lever (6) both ends respectively with a first slider (4) fixed connection, second dead lever (7) both ends respectively with a second slider (5) fixed connection.

2. The intelligent clothes hanger based on the STM32 single-chip microcomputer according to claim 1, wherein the clothes hanger is a cuboid bracket consisting of two first vertical rods (8), two second vertical rods (9), a top plate (16) and a bottom plate (17), the top plate (16) is fixed to the top of the first fixing rod (6), and the bottom plate (17) is fixed to the side of the second fixing rod (7); first montant (8) and second montant (9) vertical fixation are in roof (16) bottom, the perpendicular fixed connection of one end of a second montant (9) and first dead lever (6) and second dead lever (7), the perpendicular fixed connection of the other end of another second montant (9) and first dead lever (6) and second dead lever (7), bottom plate (17) are fixed in the rectangle frame that two first montants (8) and two second montants (9) formed.

3. An intelligent clothes hanger based on STM32 single-chip microcomputer according to claim 2, characterized in that a rainproof mechanism (26) located below the top plate (16) is fixed between the adjacent first vertical bar (8) and second vertical bar (9) and between the two first vertical bars (8).

4. The intelligent clothes hanger based on the STM32 single-chip microcomputer according to claim 3, wherein the rainproof mechanism (26) comprises a central shaft (26-3), a spring rotary table (26-2) and a rainproof cloth (26-1), the central shaft (26-3) of one rainproof mechanism (26) is fixed between a first vertical rod (8) and a second vertical rod (9) which are adjacent to each other, the central shaft (26-3) of the other rainproof mechanism (26) is fixed between the first vertical rod (8) and the second vertical rod (9) which are adjacent to each other, the central shaft (26-3) of the third rainproof mechanism (26) is fixed between the two first vertical rods (8), two guide sliding grooves (13) are formed in the first vertical rod (8), a guide sliding groove (13) is formed in the second vertical rod (9), the guide sliding groove (13) in the second vertical rod (9) and an opening of the guide sliding groove (13) in the first vertical rod (8) which is adjacent to each other The two vertical rods (8) are oppositely arranged, the openings of the other guide sliding chutes (13) of the two first vertical rods (8) are oppositely arranged, at least one spring turntable (26-2) capable of rotating along the central shaft (26-3) is sleeved on each central shaft (26-3), the waterproof cloth (26-1) is wound on the central shaft (26-3) and the spring turntable (26-2), one end of the waterproof cloth (26-1) is fixed on the spring turntable (26-2), and the other end of the waterproof cloth (26-1) is arranged in the corresponding sliding chute (13);

bottom plate (17) top is equipped with wire winding control motor (25), bottom plate (17) bottom is fixed with wire winding mechanism, wire winding mechanism is by first reel (22), second reel (23) and third reel (24) from the top down fixed connection in proper order form, first reel (22) cup joint on wire winding control motor (25) runs through the motor output shaft of bottom plate (17), first reel (22), second reel (23) and third reel (24) are located spout (13) one end one-to-one through stay cord (14) above that and rain-proof cloth (26-1) of three rain-proof mechanism (26) and are connected.

5. The intelligent clothes hanger based on the STM32 single-chip microcomputer according to claim 4, wherein a pulley (15) is arranged at the bottom of one side of the bottom plate (17) corresponding to each rainproof mechanism (26), and a pull rope (14) on each reel of the winding mechanism is fixedly connected with a rainproof cloth (26-1) of the rainproof mechanism (26) on the side through the pulley (15) on the side.

6. The intelligent clothes hanger based on the STM32 single-chip microcomputer according to any one of claims 2-5, wherein the clothes hanger (10) is fixed on the top plate (16).

7. The intelligent clothes hanger that dries in air based on STM32 singlechip of claim 6, characterized in that, roof (16) top is equipped with control box (11) and temperature and humidity sensor (12), is equipped with STM32 singlechip, drive module, steady voltage chip and power in control box (11), STM32 singlechip through drive module and wire winding control motor (25) electric connection, temperature and humidity sensor (12) and STM32 singlechip are connected through its I/O port, the power is connected with STM32 singlechip, temperature and humidity sensor (12) through steady voltage chip.

8. The intelligent clothes hanger based on the STM32 single-chip microcomputer according to claim 7, wherein a clothes hanger ascending control switch (19), a clothes hanger descending control switch (20) and a waterproof cloth control switch (21) are arranged on the slide rail (1), the ascending control motor (3) is electrically connected with a power supply through the clothes hanger ascending control switch (19) to realize reverse rotation, the ascending control motor (3) is electrically connected with the power supply through the clothes hanger descending control switch (20) to realize forward rotation, and the waterproof cloth control switch (21) is connected with the STM32 single-chip microcomputer through an I/O port thereof.

9. The intelligent clothes hanger based on the STM32 single-chip microcomputer according to claim 7 or 8, wherein the STM32 single-chip microcomputer is an STM32F103 single-chip microcomputer, the driving module is an A4988 stepping motor driving module, and the temperature and humidity sensor (12) is a DTH11 temperature and humidity sensor or a DTH22 temperature and humidity sensor.

10. The intelligent laundry rack based on STM32 single-chip microcomputer according to claim 9, characterized in that a plurality of temperature and humidity sensors (12) located at different orientations are arranged at the top of the top plate (16);

inclined support rods (18) are arranged between the second vertical rod (9) and the bottom plate (17) and between the second vertical rod (9) and the top plate (16);

the top plate (16) is a light-transmitting light plate.

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