Black tea fermentation frame with temperature sensing function

Abstract

The invention discloses a black tea fermentation frame with a temperature sensing function, and particularly relates to the technical field of black tea ferment.The black tea fermentation frame comprises a heating cylinder, a sealing door is rotationally connected to the outer side of the heating cylinder, a plurality of ventilation pipes are fixedly installed on the sealing door, and each ventilation pipe communicates with the heating cylinder; according to the present invention, during the use, the operation is simple, the revolution and the autorotation of the fermentation frame body can be achieved so as to achieve the uniform heating of the fermentation frame body, and the temperature consistency of each fermentation frame body can be maintained so as to achieve the uniform heating of the fermentation frame body; meanwhile, the looseness of the tea leaves in the fermentation frame bodies is guaranteed, the fermentation efficiency is improved, and when it is detected that the temperature of a certain fermentation frame body is abnormally increased, precise heat dissipation can be conducted on the fermentation frame body, and excessive fermentation is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of black tea fermentation. More specifically, the present utility model relates to a black tea fermentation frame with a temperature sensing function. Background Art

[0002] Black tea is a fully fermented tea, which is refined through a series of technological processes such as withering, rolling (cutting), fermentation, and drying, using suitable new tea shoots of tea trees as raw materials. Black tea fermentation is an important process in the primary processing. It needs to be carried out in a fermentation machine under the conditions of low temperature of 25 - 28 °C, humidity above 95%, and oxygen supply.

[0003] Since the market demand for black tea is year-round and does not disappear due to seasonal changes, and there are also fresh leaf raw materials suitable for making black tea in winter, the factory will not stop fermenting black tea in winter. When fermenting in winter, due to the relatively low ambient temperature, water bath heating or electric heating wire heating is generally adopted to increase the temperature of the fermentation tank, so as to ensure the fermentation effect of black tea.

[0004] However, when there are multiple layers of fermentation frames in the fermentation tank for fermenting black tea, the fermentation frames are prone to uneven heating, and the temperatures of the multiple layers of fermentation frames are inconsistent. This is because hot air flows upward, making the upper fermentation frames more likely to be affected by the rising hot air and having a relatively higher temperature. As the height decreases, the hot air will gradually lose some heat during the upward movement, resulting in a relatively lower temperature of the lower fermentation frames. In view of this, we propose a black tea fermentation frame with a temperature sensing function. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a black tea fermentation frame with a temperature sensing function. The technical problem to be solved by the present invention is that when there are multiple layers of fermentation frames in the fermentation tank for fermenting black tea, the fermentation frames are prone to uneven heating, and the temperatures of the multiple layers of fermentation frames are inconsistent.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions: A black tea fermentation frame with a temperature sensing function includes a heating cylinder. A sealing door is rotatably connected to the outside of the heating cylinder. A plurality of ventilation pipes are fixedly installed on the sealing door, and each ventilation pipe is communicated with the heating cylinder. A heat dissipation fan device is fixedly connected and communicated with the outside of the heating cylinder. Rotating shafts are rotatably connected to the inner walls at both ends of the heating cylinder. A bracket is fixedly installed at the end of each rotating shaft. A square telescopic rod and a reciprocating lead screw are respectively rotatably connected to the extension rod of each bracket. The heating cylinder drives each square telescopic rod and the reciprocating lead screw to rotate through a gear transmission mechanism. Each reciprocating lead screw controls the telescopic movement of the corresponding square telescopic rod through a moving mechanism. Each two corresponding square telescopic rods jointly install a fermentation frame body. A drawer is slidably connected to each fermentation frame body. A temperature sensor is installed on the side wall of each fermentation frame body. Each fermentation frame body restricts the sliding of the drawer through a limiting mechanism.

[0007] As Figure 1-8 shown, the specific implementation method is as follows: By setting the heating cylinder, black tea can be fermented at an appropriate temperature in winter. By setting the gear transmission mechanism, when the rotating shaft rotates, it can drive the square telescopic rod and the reciprocating lead screw to rotate, so as to drive the fermentation frame body to rotate while revolving, making the fermentation frame body evenly heated. At the same time, when the fermentation frame body rotates, it will drive the tea leaves to flip, making the tea leaves loose, which helps to accelerate the oxidation, polymerization and other reactions of polyphenols in the tea leaves, thereby shortening the fermentation time and improving the fermentation efficiency. And through the moving mechanism, when the reciprocating lead screw rotates, it drives the square telescopic rod to reciprocate telescopically, so as to drive the fermentation frame body to reciprocate while rotating, further increasing the looseness of the tea leaves, increasing the contact area between the tea leaves and the air, and improving the fermentation efficiency. At the same time, through the heat dissipation fan device, when the temperature sensor in the fermentation frame body detects that the temperature in the fermentation frame body rises abnormally, the fermentation frame body can be rotated to the position of the heat dissipation fan device to accurately dissipate heat from the fermentation frame body and avoid over-fermentation of black tea.

[0008] In a preferred embodiment, the gear transmission mechanism includes two toothed rings, and the two toothed rings are respectively fixedly installed on the inner side walls at both ends of the heating cylinder. One end of each square telescopic rod penetrates through the extension rod of the bracket and is installed with a driving gear. One end of each reciprocating lead screw penetrates through the extension rod of the bracket and is installed with a driven gear, and each driving gear meshes with the corresponding driven gear, and each driving gear meshes with the corresponding toothed ring.

[0009] In a preferred embodiment, each moving mechanism includes a lead screw sleeve, and each lead screw sleeve is threadedly connected to the corresponding reciprocating lead screw, and each lead screw sleeve is rotatably connected to the corresponding square telescopic rod. An arc-shaped baffle is fixedly installed at the end of each reciprocating lead screw away from the driven gear.

[0010] In a preferred embodiment, each of the limiting mechanisms includes two L-shaped support rods, and the two L-shaped support rods are respectively rotatably connected to both sides of the fermentation frame body with corresponding positions. An elastic reciprocating lead screw is connected to the outer side of each L-shaped support rod, and each pin is clamped in the corresponding extraction box.

[0011] In a preferred embodiment, a retaining edge is fixedly installed in each of the square telescopic rods, a ring seat is fixedly installed at the extending end of each square telescopic rod, a rotating ring is fixedly installed at one end of each lead screw sleeve, and each rotating ring is rotatably connected to the corresponding ring seat.

[0012] In a preferred embodiment, a spring is fixedly connected to the outer side of each L-shaped support rod, and the other end of each spring is fixedly connected to one end of the corresponding pin.

[0013] In a preferred embodiment, the pitch circle diameter length of each driving gear is greater than the pitch circle diameter length of the driven gear.

[0014] In a preferred embodiment, the diameter length of each arc-shaped baffle is greater than the diameter length of the reciprocating lead screw.

[0015] In a preferred embodiment, a motor is fixedly installed on the outer side of one end of the heating cylinder, and the output shaft of the motor penetrates through the heating cylinder and is connected to one of the rotating shafts.

[0016] In a preferred embodiment, a plurality of support seats are symmetrically installed on the outer side of the heating cylinder, a controller is installed on the outer side of one of the support seats, and handles are fixedly installed on the outer side of the sealing door.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. By setting devices such as rotating shafts, brackets, gear rings, and driving gears, the present invention realizes that the rotating shaft drives the bracket to rotate, and at the same time drives the driving gear to rotate through the gear ring, so that the fermentation frame body rotates while revolving. The revolution can continuously change the height of each fermentation frame body, so that each fermentation frame body is uniformly heated and the temperature consistency of each fermentation frame body is maintained. The rotation can loosen the tea leaves in each fermentation frame body and enhance the fermentation efficiency of the tea leaves.

[0018] 2. By setting devices such as driven gears, reciprocating lead screws, and lead screw sleeves, the present invention realizes that the driving gear drives the driven gear to rotate, so that the reciprocating lead screw rotates, and further drives the extending end of the square telescopic rod to reciprocate through the reciprocating sliding of the lead screw sleeve, so that the fermentation frame body reciprocates, and further enhances the looseness of the tea leaves and improves the fermentation efficiency.

[0019] 3. The present invention realizes that when it is detected that the temperature of a certain fermentation frame abnormally rises, the rotatable support rod drives it to rotate to the position of the heat dissipation fan device, so as to accurately dissipate heat from the fermentation frame by setting devices such as a heat dissipation fan device, a support, and a temperature sensor.

[0020] In summary, when in use, the present invention is simple to operate, can realize the revolution and rotation of the fermentation frame, thereby realizing uniform heating of the fermentation frame, while maintaining the temperature consistency of each fermentation frame, ensuring the looseness of the tea leaves in the fermentation frame, improving the fermentation efficiency, and when it is detected that the temperature of a certain fermentation frame abnormally rises, it can be accurately cooled to avoid over-fermentation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of a black tea fermentation frame with a temperature sensing function proposed by the present invention; Figure 2 is a schematic cross-sectional view of a heating cylinder of a black tea fermentation frame with a temperature sensing function proposed by the present invention; Figure 3 is a schematic structural diagram of a gear transmission mechanism of a black tea fermentation frame with a temperature sensing function proposed by the present invention; Figure 4 is a schematic structural diagram of a reciprocating lead screw of a black tea fermentation frame with a temperature sensing function proposed by the present invention; Figure 5 is a schematic structural diagram of an annular seat of a black tea fermentation frame with a temperature sensing function proposed by the present invention; Figure 6 is a schematic structural diagram of a fermentation frame of a black tea fermentation frame with a temperature sensing function proposed by the present invention; Figure 7 is a schematic structural diagram of the installation of a temperature sensor of a black tea fermentation frame with a temperature sensing function proposed by the present invention; Figure 8 is a schematic structural diagram of a limiting mechanism of a black tea fermentation frame with a temperature sensing function proposed by the present invention.

[0022] In the figure: 1 heating cylinder, 2 motor, 3 support seat, 4 controller, 5 sealing door, 6 ventilation pipe, 7 handle, 8 heat dissipation fan device, 9 gear ring, 10 fermentation frame, 11 rotating shaft, 12 support, 13 driving gear, 14 driven gear, 15 square telescopic rod, 16 reciprocating lead screw, 17 arc-shaped baffle, 18 lead screw sleeve, 19 edge stop, 20 annular seat, 21 rotating ring, 22 ventilation hole, 23 drawer, 24 temperature sensor, 25 L-shaped support rod, 26 pin, 27 spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Referring to Figure 1-8 , a black tea fermentation frame with a temperature sensing function includes a heating cylinder 1. A sealing door 5 is rotatably connected to the outside of the heating cylinder 1. A plurality of ventilation pipes 6 are fixedly installed on the sealing door 5, and each ventilation pipe 6 communicates with the heating cylinder 1. A heat dissipation fan device 8 is fixedly connected and communicated with the outside of the heating cylinder 1. The inner walls at both ends of the heating cylinder 1 are rotatably connected with rotating shafts 11. A bracket 12 is fixedly installed at the end of each rotating shaft 11. A square telescopic rod 15 and a reciprocating lead screw 16 are respectively rotatably connected to the extension rods of each bracket 12. The heating cylinder 1 drives each square telescopic rod 15 and reciprocating lead screw 16 to rotate through a gear transmission mechanism. Each reciprocating lead screw 16 controls the telescopic movement of the square telescopic rod 15 corresponding to its position through a moving mechanism. Two corresponding square telescopic rods 15 jointly install a fermentation frame body 10. A drawer 23 is slidably connected in each fermentation frame body 10. A temperature sensor 24 is installed on the side wall of each fermentation frame body 10. Each fermentation frame body 10 restricts the sliding of the drawer 23 through a limiting mechanism.

[0025] It should be noted that the heating function of the heating cylinder 1 and the air blowing and heat dissipation function of the heat dissipation fan device 8 are both existing mature technologies and will not be elaborated here.

[0026] As Figure 1-8 shown, the implementation method is specifically as follows: By setting the heating cylinder 1, black tea can be fermented at an appropriate temperature in winter. By setting a gear transmission mechanism, when the rotating shaft 11 rotates, it can drive the square telescopic rod 15 and the reciprocating lead screw 16 to rotate, thereby driving the fermentation frame body 10 to rotate while revolving, making the fermentation frame body 10 evenly heated. At the same time, when the fermentation frame body 10 rotates, it will drive the tea leaves to flip, making the tea leaves loose, which helps to accelerate the oxidation, polymerization and other reactions of polyphenols in the tea leaves, thereby shortening the fermentation time and improving the fermentation efficiency. Through the moving mechanism, when the reciprocating lead screw 16 rotates, it drives the square telescopic rod 15 to reciprocate telescopically, thereby driving the fermentation frame body 10 to reciprocate while rotating, further increasing the looseness of the tea leaves, increasing the contact area between the tea leaves and the air, and improving the fermentation efficiency. At the same time, through the heat dissipation fan device 8, when the temperature sensor 24 in the fermentation frame body 10 detects that the temperature in the fermentation frame body 10 rises abnormally, the fermentation frame body 10 can be rotated to the position of the heat dissipation fan device 8 to accurately dissipate heat from the fermentation frame body 10 and avoid over-fermentation of black tea.

[0027] The gear transmission mechanism includes two gear rings 9, and the two gear rings 9 are respectively fixedly mounted on the inner side walls at both ends of the heating tube 1, one end of each square telescopic rod 15 penetrates the extension rod of the bracket 12 and is installed with a driving gear 13, one end of each reciprocating screw 16 penetrates the extension rod of the bracket 12 and is installed with a driven gear 14, and each driving gear 13 is meshed with the driven gear 14 corresponding to the position, and each driving gear 13 is meshed with the gear ring 9 corresponding to the position, and is meshed with the driving gear 13 through the gear ring 9. When the rotating shaft 11 drives the bracket 12 to rotate, the driving gear 13 can rotate around the dot of the gear ring 9, thereby rotating the driving gear 13, and then driving the driven gear 14 to rotate.

[0028] Each moving mechanism includes a screw sleeve 18, and each screw sleeve 18 is threadedly connected to the corresponding reciprocating screw 16, and each screw sleeve 18 is rotatably connected to the corresponding square telescopic rod 15. An arc-shaped baffle 17 is fixedly installed on one end of each reciprocating screw 16 away from the driven gear 14. It should be noted that the arc-shaped baffle 17 can limit the screw sleeve 18 so that it cannot rotate and can only slide in a limited position.

[0029] Each limiting mechanism includes two L-shaped support rods 25, and the two L-shaped support rods 25 are respectively rotatably connected to the two sides of the fermentation frame 10 at the corresponding position. The outer side of each L-shaped support rod 25 is elastically connected with a reciprocating screw 16, and each pin 26 is stuck in the corresponding drawer box 23. It should be noted that when each fermentation frame 10 is rotated to the position of the sealing door 5, the fermentation frame 10 is in a horizontal state, so as to facilitate the sliding of the drawer box 23.

[0030] A retaining edge 19 is fixedly installed in each square telescopic rod 15, an annular seat 20 is fixedly installed on the extending end of each square telescopic rod 15, a rotating ring 21 is fixedly installed on one end of each screw sleeve 18, and each rotating ring 21 is rotatably connected to the annular seat 20 corresponding to the position. It is worth noting that the rotating ring 21 cannot be separated from the annular seat 20, and the position of the annular seat 20 and the square telescopic rod 15 is relatively fixed, thereby limiting the position of the screw sleeve 18 and preventing it from rotating.

[0031] A spring 27 is fixedly connected to the outer side of each L-shaped support rod 25, and the other end of each spring 27 is fixedly connected to one end of a pin 26 at a corresponding position. The spring 27 can tightly clamp the pin 26 in the drawer box 23, thereby limiting the drawer box 23.

[0032] The pitch circle diameter length of each driving gear 13 is greater than the pitch circle diameter length of the driven gear 14, reducing the transmission ratio, so that the driven gear 14 can drive the reciprocating screw 16 to rotate quickly.

[0033] The diameter length of each arc-shaped baffle 17 is greater than the diameter length of the reciprocating lead screw 16.

[0034] A motor 2 is fixedly installed on the outer side of one end of the heating cylinder 1, and the output shaft of the motor 2 penetrates through the heating cylinder 1 and is connected to one of the rotating shafts 11.

[0035] A plurality of support seats 3 are symmetrically installed on the outer side of the heating cylinder 1. A controller 4 is installed on the outer side of one of the support seats 3. Handles 7 are fixedly installed on the outer sides of the sealing doors 5.

[0036] When the present invention is in use, first, the sealing door 5 can be opened through the handle 7. Then, the motor 2 is started to drive the rotating shaft 11 to rotate, thereby driving the bracket 12 to rotate and making the fermentation frame 10 revolve. The revolution of the fermentation frame 10 can promote the air mixing in the heating cylinder 1 to achieve uniform heating. At the same time, the height of the fermentation frame 10 is constantly changed, so that the temperature of each fermentation frame 10 is kept consistent. Thus, each fermentation frame 10 rotates to the position of the sealing door 5 in turn. Then, the extraction box 23 is pulled out, and black tea is placed in the extraction box 23. Then, the extraction box 23 is clamped in the fermentation frame 10 through the pin 26. Then, the sealing door 5 is closed, and the temperature in the heating cylinder 1 can be increased to provide suitable conditions for the fermentation of black tea. Then, the motor 2 is started again to drive the fermentation frame 10 to revolve. At the same time, through the arrangement of the gear ring 9 and the driving gear 13, each square telescopic rod 15 is driven to rotate. Since the fermentation frame 10 is fixedly connected to the square telescopic rod 15, the fermentation frame 10 is driven to rotate. At the same time, the driven gear 14 is engaged with the driving gear 13, so as to drive the driven gear 14 to rotate, and then drive the reciprocating lead screw 16 to rotate. Since the lead screw sleeve 18 is threadedly connected to the reciprocating lead screw 16 and the lead screw sleeve 18 is rotatably connected to the extension end of the square telescopic rod 15, the rotation of the reciprocating lead screw 16 drives the lead screw sleeve 18 to reciprocate, and the square telescopic rod 15 is extended or contracted, so as to push the fermentation frame 10 to reciprocate while rotating. When the temperature sensor 24 in a certain fermentation frame 10 detects that the temperature rises abnormally, the motor 2 can be driven to drive the fermentation frame 10 to rotate to the position of the heat dissipation fan device 8, so as to accurately dissipate heat from the fermentation frame 10 through the heat dissipation fan device 8.

[0037] Only some exemplary embodiments of the present invention are described by way of illustration. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims

1. A black tea fermentation frame with a temperature sensing function, comprising a heating cylinder (1), characterized in that: The outer side of the heating tube (1) is rotatably connected to a sealing door (5), and a plurality of ventilation pipes (6) are fixedly mounted on the sealing door (5), and each ventilation pipe (6) is connected to the heating tube (1). A heat dissipation fan device (8) is fixedly mounted on the outer side of the heating tube (1) and is connected to the heating tube (1). The inner walls at both ends of the heating tube (1) are rotatably connected to a rotating shaft (11), and a bracket (12) is fixedly mounted at the end of each rotating shaft (11). A square telescopic rod (15) and a reciprocating screw (16) are rotatably connected to the extension rod of each bracket (12). The heating tube (1) Each square telescopic rod (15) and the reciprocating screw (16) are driven to rotate by a gear transmission mechanism, and each reciprocating screw (16) controls the extension and retraction of the corresponding square telescopic rod (15) through a moving mechanism. Every two corresponding square telescopic rods (15) are installed with a fermentation frame (10) in common, and each fermentation frame (10) is slidably connected with a draw box (23). A temperature sensor (24) is installed on the side wall of each fermentation frame (10), and each fermentation frame (10) limits the sliding of the draw box (23) through a limiting mechanism.

2. The black tea fermentation frame with temperature sensing function according to claim 1, characterized in that: The gear transmission mechanism comprises two gear rings (9), and the two gear rings (9) are respectively fixedly mounted on the inner side walls at both ends of the heating cylinder (1), one end of each of the square telescopic rods (15) passes through the extension rod of the bracket (12) and is installed with a driving gear (13), one end of each of the reciprocating screws (16) passes through the extension rod of the bracket (12) and is installed with a driven gear (14), and each driving gear (13) is meshed with a driven gear (14) at a corresponding position, and each driving gear (13) is meshed with a gear ring (9) at a corresponding position.

3. The black tea fermentation frame with temperature sensing function according to claim 2, characterized in that: Each of the moving mechanisms comprises a screw sleeve (18), and each of the screw sleeves (18) is threadedly connected to a corresponding reciprocating screw (16), and each of the screw sleeves (18) is rotationally connected to a corresponding square telescopic rod (15), and an arc-shaped baffle (17) is fixedly mounted on one end of each of the reciprocating screws (16) away from the driven gear (14).

4. The black tea fermentation frame with temperature sensing function according to claim 3, characterized in that: Each of the limiting mechanisms comprises two L-shaped support rods (25), and the two L-shaped support rods (25) are rotatably connected to two sides of the fermentation frame (10) at corresponding positions, and the outer side of each of the L-shaped support rods (25) is elastically connected to a reciprocating screw (16), and each pin (26) is clamped in a corresponding drawer box (23).

5. The black tea fermentation frame with temperature sensing function according to claim 4, characterized in that: A retaining edge (19) is fixedly mounted inside each of the square telescopic rods (15), an annular seat (20) is fixedly mounted on the extended end of each of the square telescopic rods (15), a rotating ring (21) is fixedly mounted on one end of each of the lead screw sleeves (18), and each rotating ring (21) is rotatably connected to the annular seat (20) at a corresponding position.

6. The black tea fermentation frame with temperature sensing function according to claim 5, characterized in that: A spring (27) is fixedly connected to the outer side of each L-shaped support rod (25), and the other end of each spring (27) is fixedly connected to one end of a pin (26) at a corresponding position.

7. The black tea fermentation frame with temperature sensing function according to claim 6, characterized in that: The pitch circle diameter length of each driving gear (13) is greater than the pitch circle diameter length of the driven gear (14).

8. The black tea fermentation frame with temperature sensing function according to claim 7, characterized in that: The diameter length of each arc-shaped baffle (17) is greater than the diameter length of the reciprocating screw (16).

9. The black tea fermentation frame with temperature sensing function according to claim 8, characterized in that: A motor (2) is fixedly mounted on the outer side of one end of the heating tube (1), and an output shaft of the motor (2) passes through the heating tube (1) and is connected to one of the rotating shafts (11).

10. The black tea fermentation frame with temperature sensing function according to claim 9, characterized in that: A plurality of support seats (3) are symmetrically mounted on the outer side of the heating cylinder (1), a controller (4) is mounted on the outer side of one of the support seats (3), and a handle (7) is fixedly mounted on the outer side of each of the sealing doors (5).

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