Automatic hair collecting and sucking device

Abstract

The utility model provides an automatic hair collecting and sucking device which comprises a support, a first rotating disc, a plurality of sliding pieces, a caliber changing mechanism and a first hair sucking pipe. The first turntable is rotationally assembled on the support; a turntable driving mechanism is arranged between the first turntable and the support and is used for driving the first turntable to rotate; the plurality of sliding pieces are radially arranged on the first turntable in a sliding manner, and the end part of each sliding piece is directly or indirectly provided with viscose cloth; the aperture changing mechanism is arranged among the plurality of sliding pieces and is used for driving the plurality of sliding pieces to synchronously and radially slide relative to the first turntable; the front end opening of the first wool suction pipe extends into the inner edge of the first rotating disc, a scraping tooth plate is arranged on one side of the first wool suction pipe, and the rear end opening of the first wool suction pipe is directly or indirectly connected with a negative pressure device.

Description

Technical Field

[0001] This utility model belongs to the field of pet products, specifically relating to an automatic hair-removing and hair-absorbing device. Background Technology

[0002] Domestic pets shed frequently, especially indoor cats or dogs, which shed fur indoors, requiring owners to groom them regularly. To reduce the time owners spend grooming their pets, manual and electric pet groomers have been developed on the market. However, manual and electric pet groomers still require owners to operate them manually and do not achieve the effect of automatically removing and combing fur from pets. Utility Model Content

[0003] Therefore, the purpose of this utility model is to provide an automatic lint-removing and lint-collecting device to overcome the above-mentioned problems or at least partially solve or alleviate them.

[0004] This utility model proposes an automatic lint-removing and lint-collecting device, comprising:

[0005] A support, wherein a first ring is provided on the support as a passage;

[0006] A first turntable is rotatably mounted on the support, with its inner edge aligned axially with the first ring opening; a turntable drive mechanism is provided between the first turntable and the support, the turntable drive mechanism being used to drive the first turntable to rotate.

[0007] Multiple sliding members are radially slidably disposed on the first turntable, with the end of each sliding member facing the first ring opening of the first turntable, and each sliding member having a lint-adhesive cloth directly or indirectly disposed at its end.

[0008] A caliber changing mechanism is disposed among a plurality of the sliding members, for driving the plurality of sliding members to slide synchronously radially relative to the first turntable;

[0009] The first suction tube has its front end inserted into the first opening, a shaving plate is provided on one side of the first suction tube, and a negative pressure device is directly or indirectly connected to the rear end of the first suction tube.

[0010] This utility model also has the following optional features.

[0011] Optionally, it also includes a second turntable and a second suction tube. The second turntable is connected to the first turntable. A plurality of the sliding elements are radially slidably arranged on the second turntable. The sliding elements on the second turntable are staggered with the sliding elements on the first turntable. The front port of the second suction tube faces the inner edge of the second turntable, and the rear port of the second suction tube is directly or indirectly connected to the negative pressure device.

[0012] Optionally, each of the sliding members includes a sliding seat and a buffer seat, the guide post is disposed on the sliding seat, the buffer seat is slidably disposed at the front end of the sliding seat, and a first spring is disposed between the sliding seat and the buffer seat.

[0013] Optionally, each end of the buffer seat located on the second turntable is provided with a lint-adhesive cloth.

[0014] Optionally, each of the buffer seats located on the second turntable is provided with comb teeth at its front end, and a scraping plate is slidably provided on the buffer seat. A spring seat is provided at the rear of the scraping plate, and a second spring is provided between the spring seat and the buffer seat. The scraping plate is provided with scraping holes, and the comb teeth pass through the scraping holes.

[0015] Optionally, it also includes a controller and an operation panel, wherein the three signal output terminals of the controller are electrically connected to the turntable drive mechanism, the diameter changing mechanism and the negative pressure device, respectively, and one signal input terminal of the controller is electrically connected to the operation panel.

[0016] Optionally, the system also includes at least two pet detection devices, which are respectively disposed on both sides of the first enclosure. The signal output terminals of the two pet detection devices are electrically connected to two of the signal receiving terminals of the controller to detect whether a pet has passed through or moved away from the first enclosure.

[0017] This utility model's automatic lint-removing and lint-collecting device can be installed in areas or devices frequently used by pets. When a pet passes through the first ring and the first turntable, the lint-removing cloths on multiple sliding parts first remove the pet's lint. Then, the diameter-changing mechanism drives multiple sliding parts to move radially, causing the lint-removing cloths to retract to the edge of the first ring. Next, the negative pressure device starts to collect the lint through the suction tube, while the turntable drive mechanism drives the first turntable to rotate at least one revolution, causing the suction tube to collect the pet hair scraped off by the scraping toothed plate from each lint-removing cloth. This achieves automatic lint removal and collection for pets, eliminating the need for pet owners to manually clean their pet's fur. Attached Figure Description

[0018] Figure 1 This is a front and side view of one embodiment of the automatic lint-removing and lint-collecting device of this utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the back structure of the automatic lint-collecting and lint-removing device in the image;

[0020] Figure 3 This is a front and side view of another embodiment of the automatic lint-removing and lint-collecting device of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the first rotating disc inside the automatic lint-removing and lint-collecting device of this utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the sliding part of an embodiment of the automatic lint-removing and lint-collecting device of this utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the first and second turntables of the automatic lint-removing and lint-collecting device of this utility model;

[0024] Figure 7 This is a schematic diagram of the aperture changing mechanism of the automatic lint-collecting and lint-removing device of this utility model.

[0025] Figure 8 This is a schematic diagram of the inner structure of the second turntable of the automatic lint-removing and lint-collecting device of this utility model.

[0026] Figure 9 yes Figure 8 A schematic diagram of the internal structure of another embodiment of the sliding part on the second turntable;

[0027] Figure 10 This is a structural diagram of the control system of the automatic lint-removing and lint-collecting device of this utility model.

[0028] In the above diagram: 1. Support; 101. First ring; 2. First turntable; 201. First radial groove; 202. Connecting column; 203. Arc plate; 3. Sliding component; 301. Guide column; 302. Sliding seat; 303. Buffer seat; 304. First spring; 4. Lint-adhesive cloth; 5. First lint suction tube; 6. Toothed scraper; 7. Negative pressure device; 701. Filter box; 8. Second turntable; 9. Second lint suction tube; 10. Comb teeth; 11. Scraper; 1101. Spring seat; 1102. Second spring; 12. Controller; 13. Operation panel; 14. Pet detection device; 15. First motor; 16. Pulley transmission mechanism; 17. Third turntable; 1701. Angled sliding hole; 1702. Circumferential sliding hole; 18. Second motor; 19. Drive gear; 20. End face; 2001. Second ring; 21. Roller.

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Detailed Implementation

[0030] Example 1

[0031] refer to Figure 1 and Figure 2 This utility model provides an automatic lint-removing and lint-collecting device, comprising: a support 1, a first turntable 2, multiple sliding members 3, a diameter-changing mechanism, and a first lint-collecting tube 5; the support 1 is provided with a first ring opening 101 as a channel; the first turntable 2 is rotatably mounted on the support 1, and the inner edge of the first turntable 2 is axially aligned with the first ring opening 101; a turntable drive mechanism is provided between the first turntable 2 and the support 1, which drives the first turntable 2 to rotate; multiple sliding members 3 are radially slidably disposed on the first turntable 2, with the end of each sliding member 3 facing the first ring opening 101 of the first turntable 2, and each end of the sliding member 3 is directly or indirectly provided with a lint-removing cloth 4; the diameter-changing mechanism is disposed between the multiple sliding members 3, which drives the multiple sliding members 3 to synchronously slide radially relative to the first turntable 2; the front end of the first lint-collecting tube 5 extends into the first ring opening 101, a toothed scraper 6 is provided on one side of the first lint-collecting tube 5, and the rear end of the first lint-collecting tube 5 is directly or indirectly connected to a negative pressure device 7.

[0032] The automatic hair-sticking and hair-absorbing device of this invention is installed in places or on objects that pets frequently pass through, such as the entrance and exit of a pet's bed or the entrance and exit of a litter box. The support 1 is circumferentially equipped with multiple rollers 21. The inner edge of the first turntable 2 is axially aligned with the first ring 101 of the support 1, serving as a passage for the pet. The outer edge of the first turntable 2 is provided with an annular folded edge, which rolls with each roller 21, allowing the first turntable 2 to rotate on the support 1 under the drive of the turntable drive mechanism. The ends of the four sliding parts 3 radially slidably mounted on the first turntable 2 are provided with lint traps 4, which can be inserted into the passage of the inner edge of the first turntable 2. An end face 20 can also be connected to the support 1. The end face 20 covers the first turntable 2, the turntable drive mechanism, the sliding parts 3, and the diameter changing mechanism. The end face 20 is provided with a second ring 2001, which is circumferentially aligned with the first ring 101. The first ring 101, the inner edge of the first turntable 2, and the second ring 2001 constitute the pet passage. When a pet passes through the passage, its fur is caught on the lint roller 4, and the pet hair remains on the lint roller 4. After the pet passes through the passage, the diameter changing mechanism drives the four sliding parts 3 to move radially backward. The lint roller 4 moves backward until it is stopped at the inner edge of the first turntable 2. At this time, the surface of the lint roller 4 is aligned with the first ring 101 and the second ring 2001. Then, the turntable drive mechanism drives the first turntable 2 to rotate, so that the four lint rollers 4 pass through the front port of the first suction tube 5 in sequence as the first turntable 2 rotates. The pet hair on the lint roller 4 is scraped off by the scraper 6, and the negative pressure device 7 can then suck away the pet hair scraped off by the four lint rollers 4 through the front port of the first suction tube 5, realizing the automatic lint removal function, eliminating the need for pet owners to manually clean the pet hair.

[0033] The lint roller 4 uses the same principle as commercially available lint rollers, employing electrostatic or inclined stiff bristles to attract or hook pet hair. The scraping teeth on the scraper plate 6 scrape the pet hair off the surface of the lint roller 4. The negative pressure device 7 can be a vacuum pump or a centrifugal fan. The vacuum created by the vacuum pump or centrifugal fan is transmitted through pipelines to the first suction tube 5 and the second suction tube 9. The air and pet hair drawn in by the first suction tube 5 and the second suction tube 9 move towards the centrifugal fan within the pipelines. Pet hair and other debris are filtered through the filter box 701 and remain in the filter box 701, allowing users to easily remove the filter components in the filter box 701 for centralized disposal of pet hair and debris.

[0034] refer to Figure 2 , Figure 4 , Figure 6 and Figure 7According to one embodiment of the present invention, the turntable drive mechanism includes a first motor 15, which is fixedly mounted relative to the support 1. A pulley transmission mechanism 16 or a gear transmission mechanism is provided between the main shaft of the first motor 15 and the first turntable 2. The first motor 15 is fixed on the support 1, and a driving pulley is connected to its main shaft. The first turntable 2 acts as a driven pulley, and a pulley transmission mechanism 16 is formed between the first motor 15 and the driving pulley through a transmission belt. The first motor 15 can drive the first turntable 2 to rotate through the pulley transmission mechanism 16, so that the four sliding parts 3 and the four lint-collecting cloths 4 on the first turntable 2 pass through the port of the first lint-collecting tube 5.

[0035] refer to Figure 4 According to one embodiment of the present invention, a plurality of first radial grooves 201 are provided on the first turntable 2, and a sliding member 3 is slidably assembled in each first radial groove 201.

[0036] Four sliding members 3 are slidably mounted on the first turntable 2 via four first radial grooves 201. The diameter changing mechanism can drive the sliding members 3 to move within the first radial grooves 201. When the turntable drive mechanism drives the first turntable 2 to rotate, it can drive the four sliding members 3 to move circumferentially. Between every two adjacent radial grooves 201, an arc-shaped plate 203 is provided near the inner edge of the first turntable 2. When the ends of the four sliding members 3 retract to the inner edge of the first turntable 2, they will form a complete arc with the four arc-shaped plates 203, forming a pet passage.

[0037] Example 2

[0038] refer to Figure 6 Based on embodiment 1, it also includes a second turntable 8 and a second suction tube 9. The second turntable 8 is located inside the end face 20 and is connected to the first turntable 2. The second turntable 8 is provided with a plurality of second radial grooves. The second radial grooves and the first radial grooves 201 are staggered in the circumferential direction. A sliding member 3 is slidably assembled in each first radial groove 201. The second suction tube 9 is located inside the end face 20. The front end of the second suction tube 9 faces the inner edge of the first turntable 2, and the rear end of the second suction tube 9 is directly or indirectly connected to the negative pressure device 7.

[0039] One side of the second turntable 8 is connected to the first turntable 2 via multiple connecting posts 202. The four second radial grooves on the second turntable 8 and the four first radial grooves 201 on the first turntable 2 are staggered in the circumferential direction. Therefore, the sliding parts 3 assembled in the first turntable 2 and the second turntable 8 are also staggered, blocking each other's gaps and avoiding dead corners in hair removal. The front end of the second suction tube 9 is located between two adjacent sliding parts 3 on the second turntable 8, and the rear end of the second suction tube 9 and the rear end of the first suction tube 5 are connected to the negative pressure device 7 via a three-way pipe.

[0040] refer to Figure 7 According to one embodiment of the present invention, the caliber changing mechanism includes: a third turntable 17 and a second motor 18; the third turntable 17 is provided with a plurality of oblique sliding holes 1701, and each sliding member 3 is provided with a guide post 301, the guide post 301 passing through an oblique sliding hole 1701 respectively; the second motor 18 is fixedly disposed relative to the support 1, the main shaft of the second motor 18 is provided with a drive gear 12, and the edge of the third turntable 17 is provided with gear teeth, the gear teeth meshing with the drive gear 19.

[0041] The third turntable 17 is also provided with multiple circumferential sliding holes 1702. Multiple connecting posts 202 on the first turntable 2 pass through each circumferential sliding hole 1702, allowing the third turntable 17 to rotate relative to the first turntable 2 at a certain angle. The second motor 18 is fixed on the support 1. The main shaft of the second motor 18 is connected to a drive gear 19. The drive gear 19 meshes with the gear teeth on the third turntable 17, allowing the second motor 18 to drive the third turntable 17 to reciprocate at a certain angle. When the third turntable 17 rotates, it can push the guide post 301 through the oblique sliding hole 1701 to move the sliding member 3 along the first radial sliding groove 201, thereby changing the aperture of the pet passage formed by the ends of each sliding member 3.

[0042] Example 3

[0043] refer to Figure 4 , Figure 5 and Figure 8 Based on Embodiments 1 and 2, each sliding member 3 includes a sliding seat 302 and a buffer seat 303. The sliding seat 302 is slidably assembled in the first radial groove 201, the guide post 301 is disposed on the sliding seat 302, the buffer seat 303 is slidably disposed at the front end of the sliding seat 302, and a first spring 304 is disposed between the sliding seat 302 and the buffer seat 303.

[0044] When the pet passes through the front end of each slider 3, if the pet is large, its body will exert radial pressure on the buffer seat 303 when it passes through the slider 3. At this time, the buffer seat 303 can compress the first spring 304 and move backward to avoid scratching the pet.

[0045] Example 4

[0046] refer to Figure 1 , Figure 2 and Figure 8 Based on Example 3, each end of the buffer seat 303 located on the second turntable 8 is provided with a lint 4.

[0047] The buffer seat 303 at the front end of each sliding member 3 on the first turntable 2 and the second turntable 8 can be fixed with a lint roller 4. The lint roller 4 is used to absorb the pet hair that falls off the pet through the first turntable 2 and the second turntable 8. Then, the diameter changing mechanism drives each sliding member 3 on the first turntable 2 and the second turntable 8 to move backward, so that the lint roller 4 moves to the edge of the first ring 101. Then, the turntable driving mechanism drives the first turntable 2 and the second turntable 8 to rotate, so that the scraping tooth plate 6 on the first suction tube 5 and the second suction tube 9 scrapes off the pet hair on each lint roller 4. Then, the scraped pet hair is sucked away by the first suction tube 5 and the second suction tube 9.

[0048] Example 5

[0049] refer to Figure 3 and Figure 9 Based on embodiment 3, each buffer seat 303 located on the second turntable 8 is provided with a comb tooth 10 at its front end, a scraper plate 11 is slidably provided on the buffer seat 303, a spring seat 1101 is provided at the rear of the scraper plate 11, a second spring 1102 is provided between the spring seat 1101 and the buffer seat 303, and a scraping hole is provided on the scraper plate 11, through which the comb tooth 10 passes.

[0050] Two guide plates 1103 are provided at the rear end of the scraper 11. The two ends of the two guide plates 1103 extend into the buffer seat 303 respectively. The spring seat 1101 is connected between the ends of the two guide plates 1103. The second spring 1102 is pressed between the inner side of the spring seat 1101 and the buffer seat 303. When the sliding member 3 extends out of the first opening 101, the second spring 1102 can make the scraper 11 press tightly against the front end of the buffer seat 303, ensuring that the comb teeth 10 are driven from the scraper. The grooming plate 11 extends out of the grooming hole; after the pet passes through the channel, the combing teeth 10 of the grooming plate 11 extend out to comb the pet's fur, and some pet hair is left between the combing teeth 10. After the pet leaves, the diameter changing mechanism drives the four sliding parts 3 to move radially backward. The grooming plate 11 moves backward to the inner edge of the first turntable 2 and is stopped from moving backward. The sliding parts 3 continue to move backward until the ends of the combing teeth 10 retract into the grooming hole on the grooming plate 11. At this time, the hair combed off by the combing teeth 10 remains on the surface of the grooming plate 11.

[0051] refer to Figure 3The end of the buffer seat 303 at the front end of each sliding member 3 on the first turntable 2 is fixed with a lint-adhesive cloth 4. The end of the buffer seat 303 at the front end of each sliding member 3 on the second turntable 8 is provided with combing teeth 10. When the pet passes through the first turntable 2 and the second turntable 8, after being linted and combed, the shed pet hair is left on the lint-adhesive cloth 4 and the combing teeth 10 respectively. Then, the diameter changing mechanism drives each sliding member 3 on the first turntable 2 and the second turntable 8 to move backward, so that the lint-adhesive cloth 4 moves to the edge of the first ring 101. At the same time, the combing teeth 10 retract to the scraping hole on the scraping plate 11 and leave the combed hair on the scraping plate 11. Then, the turntable driving mechanism drives the first turntable 2 and the second turntable 8 to rotate, so that the scraping teeth 6 on the first suction tube 5 and the second suction tube 9 scrape off the pet hair on each lint-adhesive cloth 4 and the scraping plate 11 respectively. Then, the scraped pet hair is sucked away by the first suction tube 5 and the second suction tube 9.

[0052] Example 6

[0053] refer to Figure 10 Based on Embodiment 1, it also includes a controller 12 and an operation panel 13. The three signal output terminals of the controller 12 are electrically connected to the caliber changing mechanism, the negative pressure device 7 and the turntable drive mechanism, respectively, and one signal input terminal of the controller 12 is electrically connected to the operation panel 13.

[0054] One signal output terminal of the controller 12 is electrically connected to the operation panel 13. The operator can input the combing diameter through the operation panel 13. The controller 12 can start the second motor 18 to drive the second turntable 8 to rotate, so that multiple sliding parts 3 move to the position of the combing diameter input by the operator. Three signal output terminals of the controller 12 are electrically connected to the second motor 18 in the diameter changing mechanism, the negative pressure device 7, and the first motor 15 in the turntable drive mechanism, respectively. The controller 12 can start the second motor 18 to drive the second turntable 8 to rotate, so that the ends of multiple sliding parts 3 retract to the first ring 101, so that the lint-collecting cloth 4 with pet hair is aligned with the first ring 101. The controller 12 can also start the negative pressure device 7 and simultaneously start the first motor 15 to drive the first turntable 2 to rotate through the pulley transmission mechanism 16, so that when each lint-collecting cloth 4 passes through the opening of the first suction tube 5 and the second suction tube 9, the pet hair is scraped off by the scraping tooth plate 6. At the same time, the negative pressure device 7 sucks away the pet hair scraped off from each lint-collecting cloth 4 through the first suction tube 5 and the second suction tube 9.

[0055] Example 7

[0056] refer to Figure 10Based on embodiment 6, it also includes at least two pet detection devices 14, which are respectively disposed on both sides of the first ring 101. The signal output terminals of the two pet detection devices 14 are electrically connected to two of the signal receiving terminals of the controller 12 to detect whether the pet passes through or moves away from the first ring 101.

[0057] The pet detection device 14 can be one or more of photoelectric switches, infrared detectors, and radar. One pet detection device 14 is located outside the first ring 101, and the other pet detection device 14 is located outside the second ring 2001. When the controller 12 detects a pet near the first ring 101 or the second ring 2001 through the pet detection device 14, the controller 12 will not activate the negative pressure device 7, the turntable drive mechanism, and the aperture change mechanism to avoid startling the pet. When the pet is detected to be far away from the pet detection device 14 at the first ring 101 and the second ring 2001, the controller 12 will start the aperture change mechanism, the negative pressure device 7, and the turntable drive mechanism to scrape off and suck up the pet hair on the adhesive cloth 4.

[0058] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims. Components and structures not described in detail in this embodiment are well-known components, common structures, or common means in the industry, and will not be described in detail here.

Claims

1. An automatic lint-collecting and lint-removing device, characterized in that, include: Support (1), wherein a first ring (101) is provided on the support (1) as a channel; The first turntable (2) is rotatably mounted on the support (1), and the inner edge of the first turntable (2) is axially aligned with the first ring (101); a turntable drive mechanism is provided between the first turntable (2) and the support (1), and the turntable drive mechanism is used to drive the first turntable (2) to rotate. Multiple sliding members (3) are radially slidably disposed on the first turntable (2). The end of each sliding member (3) faces the first ring opening (101) of the first turntable (2). Each sliding member (3) is directly or indirectly provided with a lint-adhesive cloth (4). A caliber changing mechanism is disposed between a plurality of the sliding members (3) for driving the plurality of sliding members (3) to slide synchronously radially relative to the first turntable (2); The first suction tube (5) has its front end inserted into the first ring (101), and a scraping tooth plate (6) is provided on one side of the first suction tube (5). The rear end of the first suction tube (5) is directly or indirectly connected to a negative pressure device (7).

2. The automatic lint-collecting and lint-removing device according to claim 1, characterized in that, It also includes a second turntable (8) and a second suction tube (9). The second turntable (8) is connected to the first turntable (2). A plurality of the aforementioned sliding elements (3) are radially slidably arranged on the second turntable (8). The sliding elements (3) on the second turntable (8) and the sliding elements (3) on the first turntable (2) are staggered. The front port of the second suction tube (9) faces the inner edge of the second turntable (8), and the rear port of the second suction tube (9) is directly or indirectly connected to the negative pressure device (7).

3. The automatic lint-collecting and lint-removing device according to claim 1 or 2, characterized in that, Each of the sliding members (3) includes a sliding seat (302) and a buffer seat (303). The guide post (301) is disposed on the sliding seat (302), and the buffer seat (303) is slidably disposed at the front end of the sliding seat (302). A first spring (304) is disposed between the sliding seat (302) and the buffer seat (303).

4. The automatic lint-collecting and lint-removing device according to claim 3, characterized in that, Each end of the buffer seat (303) located on the second turntable (8) is provided with a lint-adhesive cloth (4).

5. The automatic lint-collecting and lint-removing device according to claim 3, characterized in that, Each of the buffer seats (303) located on the second turntable (8) has a comb tooth (10) at its front end. A scraper plate (11) is also slidably disposed on the buffer seat (303). A spring seat (1101) is disposed at the rear of the scraper plate (11). A second spring (1102) is disposed between the spring seat (1101) and the buffer seat (303). A scraping hole is disposed on the scraper plate (11), and the comb tooth (10) passes through the scraping hole.

6. The automatic lint-collecting and lint-removing device according to claim 1, characterized in that, It also includes a controller (12) and an operation panel (13). The three signal output terminals of the controller (12) are electrically connected to the turntable drive mechanism, the caliper changing mechanism and the negative pressure device (7), respectively. One signal input terminal of the controller (12) is electrically connected to the operation panel (13).

7. The automatic lint-collecting and lint-removing device according to claim 6, characterized in that, It also includes at least two pet detection devices (14), which are respectively disposed on both sides of the first enclosure (101). The signal output terminals of the two pet detection devices (14) are electrically connected to two of the signal receiving terminals of the controller (12) to detect whether the pet passes through or moves away from the first enclosure (101).

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