Solar light following device

Abstract

The invention discloses a solar light following device, which belongs to the technical field of solar devices, and comprises a bracket assembly, a light tracking assembly, a light tracking assembly, a light tracking assembly and a light tracking assembly, the photovoltaic module comprises a solar panel group in transmission connection with the power transmission part, and the power transmission part is used for driving the solar panel group to follow light; the locking assembly comprises a transmission part rotationally mounted on the supporting part, a locking part elastically mounted on the supporting part, and a switch part rotationally mounted on the power transmission part; the transmission part is in transmission connection with the solar panel set, the switch part is in transmission connection with the locking part, and the switch part can rotate by a fixed radian relative to the power transmission part. Through the arrangement of the locking assembly, when the solar panel group does not carry out light following rotation, the locking assembly limits rotation of the solar panel group, and when the solar panel group carries out light following, the solar panel group can be automatically locked, so that the solar panel group is prevented from rotating due to wind interference.

Description

Technical Field

[0001] The present invention relates to the technical field of solar energy devices, and in particular to a solar light-chasing device. Background Art

[0002] Photovoltaic power generation, a key component of renewable energy, uniquely converts solar energy into electricity. Within this system, photovoltaic tracking systems are becoming increasingly popular to maximize the energy output of photovoltaic modules. These systems intelligently follow the sun's movement, automatically adjusting the tilt and orientation of the photovoltaic modules to ensure optimal sunlight capture at all times, maximizing energy utilization.

[0003] Existing photovoltaic tracking mounts typically mount single or multiple solar panels. When multiple panels are installed, they are typically arranged in n rows and m columns horizontally and vertically. This arrangement maximizes the number of panels that can be mounted on a single photovoltaic tracking mount, but it also occupies a large area and is only suitable for open areas. However, in certain scenarios, such as at the edge of a site, the arrangement must be adjusted, requiring only a single row and m columns. This arrangement results in a longer panel array, making it more susceptible to wind and causing it to wobble during solar energy conversion. Summary of the Invention

[0004] In view of the above problems existing in the existing solar tracking devices, the present invention is proposed.

[0005] Therefore, the problem to be solved by the present invention is how to solve the problem that the solar panel assembly is easily disturbed by wind.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a solar chasing device, comprising: a bracket assembly, including a mounting member, a support member arranged on the mounting member, and a power transmission member rotatably mounted on the mounting member; a photovoltaic assembly, including a solar panel group transmission-connected to the power transmission member, and the power transmission member is used to drive the solar panel group to chase light; a locking assembly, including a transmission member rotatably mounted on the support member, a locking member elastically mounted on the support member, and a switch member rotatably mounted on the power transmission member; the transmission member is transmission-connected to the solar panel group, the switch member is transmission-connected to the locking member, the switch member can rotate a fixed arc relative to the power transmission member, and the locking member is used to lock the transmission member.

[0007] As a preferred solution of the solar tracking device described in the present invention, the mounting member includes a base and a mounting column arranged on the base, and the top of the mounting column is recessed downward to form a cavity; the support member is inserted into the cavity, and the support member is detachably connected to the mounting column.

[0008] As a preferred solution of the solar tracking device described in the present invention, wherein: the solar panel group includes a photovoltaic panel and a connecting rod, there are multiple photovoltaic panels, the connecting rod is used to connect the multiple photovoltaic panels, and the multiple photovoltaic panels are arranged in rows and columns; the top of the support member is provided with a mounting groove, and the connecting rod is rotatably installed on the support member; the transmission member includes a first gear, the first gear is rotatably installed in the mounting groove, and the bottom of the photovoltaic panel is provided with a first gear tooth portion, and the first gear is meshed with the first gear tooth portion.

[0009] As a preferred solution of the solar tracking device described in the present invention, the power transmission component includes a driving shaft and a driven shaft, the driving shaft and the driven shaft are both rotatably mounted on the mounting column, and the driving shaft and the driven shaft are arranged parallel to each other.

[0010] As a preferred solution of the solar tracking device described in the present invention, the solar panel group also includes an arc frame, which is arranged at the bottom of the photovoltaic panel, and a second gear portion is provided on the inner arc surface of the arc frame, and a second gear is provided on the driving shaft, and the second gear is engaged with the second gear portion; a roller groove is provided on the outer arc surface of the arc frame, and a roller is provided on the driven shaft, and the roller conflicts with the roller groove.

[0011] As a preferred solution of the solar tracking device described in the present invention, the switch component includes a first rotating ring, which is coaxially arranged with the active shaft, a first arc-shaped groove is provided on the circumferential surface of the active shaft, a spring is provided in the first arc-shaped groove, and a paddle is provided on the inner circumferential surface of the first rotating ring, and the paddle is in conflict with the spring.

[0012] As a preferred solution of the solar tracking device described in the present invention, wherein: a first ratchet groove and a second ratchet groove are respectively provided on the two end surfaces of the first gear, the locking member includes a first ratchet ring and a second ratchet ring elastically installed in the installation groove, the first ratchet ring can be engaged with the first ratchet groove, the second ratchet ring can be engaged with the second ratchet groove, and the direction in which the first ratchet ring limits the rotation of the first gear is opposite to the direction in which the second ratchet ring limits the rotation of the first gear.

[0013] As a preferred solution of the solar tracking device described in the present invention, the bottom of the support member is provided with an installation cavity, a sleeve is elastically installed in the installation cavity, a gap is opened on the circumferential wall of the sleeve, and the driving shaft and the driven shaft are suitable for passing through the gap.

[0014] As a preferred solution of the solar tracking device described in the present invention, the sleeve is connected to the first ratchet ring and the second ratchet ring through a pull rope, and the sleeve is used to drive the first ratchet ring and the first ratchet groove, and the second ratchet ring and the second ratchet groove to separate respectively.

[0015] As a preferred solution of the solar tracking device described in the present invention, the switch component also includes a second rotating ring, which is sleeved on the active shaft, and a second arc-shaped groove is provided on the inner circumferential wall of the second rotating ring, and a protrusion is provided on the outer circumferential wall of the first rotating ring, and the protrusion slides in conjunction with the second arc-shaped groove; a wedge-shaped pressure block is provided on the inner circumferential wall of the sleeve, and the second rotating ring can interfere with the wedge-shaped pressure block.

[0016] The beneficial effect of the present invention is that by setting a locking component, when the solar panel group is not rotating to chase the light, the locking component limits the rotation of the solar panel group to prevent the solar panel group from rotating due to wind interference. When the solar panel group is chasing the light, the lock will be automatically released. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 This is a structural diagram of a solar tracking device.

[0019] Figure 2 This is an upward-looking structural diagram of the solar tracking device.

[0020] Figure 3 This is a structural diagram of the solar tracking device after removing the solar panel group.

[0021] Figure 4 It is a planar cross-sectional view of a solar tracking device.

[0022] Figure 5 It is a three-dimensional cross-sectional view of a solar tracking device.

[0023] Figure 6 for Figure 5 Magnified view of area A in center.

[0024] Figure 7 for Figure 5 Magnified view of area B.

[0025] Figure 8 This is a structural diagram of the sleeve, first gear and locking member of the solar tracking device.

[0026] Figure 9 This is a diagram of the transmission parts of the solar tracking device.

[0027] Figure 10 This is a front view of the first rotating ring of the solar tracking device.

[0028] In the figure: 100, bracket assembly; 101, mounting member; 101a, base; 101b, mounting column; 101b-1, cavity; 102, support member; 102a, mounting groove; 102d, mounting cavity; 102e, sleeve; 102e-1, air avoidance groove; 102e-2, wedge-shaped pressure block; 103, power transmission member; 103a, driving shaft; 103a-1, second gear; 103a-2, first arc-shaped groove; 103a-3, spring; 103b, driven shaft; 103b-1, roller; 200, photovoltaic module; 201, solar panel group; 201a , photovoltaic panel; 201a-1, first gear portion; 201b, connecting rod; 201c, arc frame; 201c-1, second gear portion; 201c-2, roller groove; 300, locking assembly; 301, transmission member; 301a, first gear; 301a-1, first ratchet groove; 301a-2, second ratchet groove; 302, locking member; 302a, first ratchet ring; 302b, second ratchet ring; 303, switch member; 303a, first rotating ring; 303a-1, paddle; 303a-2, protrusion; 303b, second rotating ring; 303b-1, second arc groove. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it constitute a separate or selective embodiment that is mutually exclusive with other embodiments.

[0032] Example 1, with reference to Figures 1 to 10 This is the first embodiment of the present invention, which provides a solar tracking device. The solar tracking device includes a bracket assembly 100, a photovoltaic module 200, and a locking assembly 300. The bracket assembly 100 is used to mount the photovoltaic module 200, which converts light energy into electrical energy. The locking assembly 300 is used to lock the photovoltaic module 200 to prevent it from rotating due to wind interference.

[0033] Specifically, the bracket assembly 100 includes a mounting member 101, a support member 102 and a power transmission member 103; wherein the support member 102 is arranged on the mounting member 101, and the power transmission member 103 is rotatably mounted on the mounting member 101; when in use, the mounting member 101 is set on the ground.

[0034] Preferably, the photovoltaic assembly 200 includes a solar panel group 201; wherein the solar panel group 201 is transmission-connected to the power transmission member 103, and the power transmission member 103 can drive the solar panel group 201 to rotate and chase light; the solar panel group 201 is used to convert light energy into electrical energy.

[0035] Preferably, the locking assembly 300 includes a transmission member 301, a locking member 302 and a switch member 303; wherein the transmission member 301 is rotatably mounted on the support member 102, the locking member 302 is elastically mounted on the support member 102, and the switch member 303 is rotatably mounted on the power transmission member 103; the transmission member 301 is transmission-connected to the solar panel group 201, the switch member 303 is transmission-connected to the locking member 302, the switch member 303 can rotate a fixed arc relative to the power transmission member 103, and the locking member 302 is used to lock the transmission member 301.

[0036] When the solar panel group 201 of the present invention is stationary, the locking member 302 cooperates with the transmission member 301 to lock the solar panel group 201 so that the solar panel group 201 cannot rotate, that is, the solar panel group 201 remains stationary, and the solar panel group 201 is prevented from rotating due to the influence of wind; and when the solar panel group 201 needs to be adjusted for chasing light, the power transmission member 103 is restricted and kept in a fixed state first, and the switch member 303 first rotates a fixed arc relative to the power transmission member 103. During this process, the locking member 302 and the transmission member 301 are disengaged from the locked state, and then the power transmission member 103 drives the solar panel group 201 to rotate and chase light.

[0037] Example 2, reference Figures 1 to 10 , which is the second embodiment of the present invention, and is based on embodiment 1.

[0038] Specifically, the mounting member 101 includes a base 101a and a mounting column 101b; wherein, the base 101a is set on the ground, and the mounting column 101b is set on the base 101a. The mounting column 101b of this embodiment is integrally formed with the base 101a; the top of the mounting column 101b is recessed downward to form a cavity 101b-1, and the support member 102 is inserted into the cavity 101b-1, and the support member 102 and the mounting column 101b are connected by bolts.

[0039] Preferably, the solar panel group 201 includes a photovoltaic panel 201a and a connecting rod 201b. There are multiple photovoltaic panels 201a. In this embodiment, there are four photovoltaic panels 201a. The connecting rod 201b is used to connect the four photovoltaic panels 201a. The four photovoltaic panels 201a are arranged in 1 row and 4 columns. The top of the support member 102 is provided with a mounting groove 102a. The connecting rod 201b is rotatably mounted on the support member 102 and passes through the mounting groove 102a. The transmission member 301 includes a first gear 301a. The first gear 301a is also rotatably installed in the mounting groove 102a, and a first gear tooth portion 201a-1 is provided at the bottom of the photovoltaic panel 201a. The first gear 301a is engaged with the first gear tooth portion 201a-1. When the first gear 301a does not rotate, the first gear tooth portion 201a-1 does not rotate either, and the solar panel group 201 is stationary; and when the solar panel group 201 is chasing light, the first gear 301a is engaged with the first gear tooth portion 201a-1 to assist the rotation of the solar panel group 201.

[0040] Preferably, the power transmission member 103 includes a driving shaft 103a and a driven shaft 103b. The driving shaft 103a and the driven shaft 103b are both horizontally and rotatably mounted on the mounting column 101b. The driving shaft 103a and the driven shaft 103b are arranged parallel to each other.

[0041] Preferably, the solar panel group 201 further includes an arc frame 201c, which is semicircular in shape and is arranged at the bottom of the photovoltaic panel 201a. In this embodiment, there are two arc frames 201c, which are arranged parallel to each other, and the center of the arc frame 201c is located on the central axis of the connecting rod 201b; a second gear portion 201c-1 is provided on the inner arc surface of the arc frame 201c, and a second gear 103a-1 is provided on the driving shaft 103a. The second gear 103a-1 is connected to the driving shaft 103a. The second gear teeth 201c-1 are engaged. When the driving shaft 103a rotates, the arc frame 201c also rotates, thereby driving the solar panel group 201 to rotate about the central axis of the connecting rod 201b; a roller groove 201c-2 is provided on the outer arc surface of the arc frame 201c, and a roller 103b-1 is provided on the driven shaft 103b. The roller 103b-1 conflicts with the roller groove 201c-2. When the arc frame 201c rotates, the roller 103b-1 assists the arc frame 201c in rotating, making its rotation more stable.

[0042] Preferably, the switch element 303 includes a first rotating ring 303a, which is sleeved on the driving shaft 103a and coaxially arranged with the driving shaft 103a. A motor (not shown in the figure) is provided in the cavity 101b-1, and the motor and the first rotating ring 303a are connected by a belt; a first arc-shaped groove 103a-2 is provided on the circumferential surface of the driving shaft 103a, and the center of the first arc-shaped groove 103a-2 is located on the central axis of the driving shaft 103a. A spring 103a-3 is provided in the first arc-shaped groove 103a-2, and a paddle 303a-1 is provided on the inner circumferential surface of the first rotating ring 303a, which is in conflict with the spring 103a-3; the first rotating ring 303a can first rotate a fixed angle relative to the driving shaft 103a, and then the first rotating ring 303a drives the driving shaft 103a to rotate synchronously.

[0043] Preferably, a first ratchet groove 301a-1 and a second ratchet groove 301a-2 are respectively provided on the two end surfaces of the first gear 301a, and the locking member 302 includes a first ratchet ring 302a and a second ratchet ring 302b elastically installed in the mounting groove 102a. In the initial state, that is, when the solar tracking device does not need to track light, the first ratchet ring 302a can be engaged with the first ratchet groove 301a-1, and the second ratchet ring 302b can be engaged with the second ratchet groove 301a-2. The direction in which the first ratchet ring 302a limits the rotation of the first gear 301a is opposite to the direction in which the second ratchet ring 302b limits the rotation of the first gear 301a, thereby limiting the rotation of the first gear 301a, and then limiting the rotation of the solar panel group 201, to prevent the solar panel group 201 from rotating due to wind interference.

[0044] Preferably, an installation cavity 102d is provided at the bottom of the support member 102, and a sleeve 102e is elastically installed in the installation cavity 102d. The sleeve 102e is coaxially arranged with the support member 102, and an air avoidance groove 102e-1 is provided on the circumferential wall of the sleeve 102e. The active shaft 103a and the driven shaft 103b can pass through the air avoidance groove 102e-1 to avoid interference between the sleeve 102e and the active shaft 103a and the driven shaft 103b when the sleeve 102e moves up and down.

[0045] Preferably, the sleeve 102e is connected to the first ratchet ring 302a and the second ratchet ring 302b by a pull rope. When the sleeve 102e moves downward, the sleeve 102e can pull the first ratchet ring 302a and the first ratchet groove 301a-1, and the second ratchet ring 302b and the second ratchet groove 301a-2 apart respectively through the pull rope; so that the first gear 301a is released from the restriction of circumferential rotation, so that the solar panel group 201 can rotate to chase the light.

[0046] Furthermore, the switch member 303 further includes a second rotating ring 303b, which is sleeved on the driving shaft 103a. The second rotating ring 303b is coaxially arranged with the driving shaft 103a. A second arc-shaped groove 303b-1 is provided on the inner circumferential wall of the second rotating ring 303b, and a protrusion 303a-2 is provided on the outer circumferential wall of the first rotating ring 303a. The protrusion 303a-2 is slidably engaged with the second arc-shaped groove 303b-1. When the first rotating ring 303a rotates relative to the driving shaft 103a, the protrusion 303a-2 is slidably engaged with the second arc-shaped groove 303b-1. With the cooperation of the groove 303b-1, the second rotating ring 303b moves axially relative to the active shaft 103a; a wedge-shaped pressure block 102e-2 is provided on the inner circumferential wall of the sleeve 102e, and the second rotating ring 303b can interfere with the wedge-shaped pressure block 102e-2. When the second rotating ring 303b moves axially relative to the active shaft 103a, the sleeve 102e gradually descends, and the sleeve 102e pulls the first ratchet ring 302a and the first ratchet groove 301a-1, and the second ratchet ring 302b and the second ratchet groove 301a-2 are separated respectively through the pull rope.

[0047] In order to facilitate understanding of the technical solution of the present invention, a brief description of its working process is given below:

[0048] Only when the motor is working, it first drives the first rotating ring 303a to rotate a fixed angle relative to the driving shaft 103a. During this process, under the cooperation of the protrusion 303a-2 and the second arc groove 303b-1, the second rotating ring 303b moves axially relative to the driving shaft 103a, and the sleeve 102e gradually descends. The sleeve 102e pulls the first ratchet ring 302a and the first ratchet groove 301a-1, and the second ratchet ring 302b and the second ratchet groove 301a-2 respectively through the pull rope, and the first gear 301a is released from the circumferential rotation restriction. Then, it continues to drive the first rotating ring 303a to drive the driving shaft 103a to rotate synchronously, so that the solar panel group 201 can rotate to chase the light;

[0049] After the tracking adjustment is completed, the first ratchet ring 302a is re-engaged with the first ratchet groove 301a-1, and the second ratchet ring 302b is re-engaged with the second ratchet groove 301a-2, thereby restricting the rotation of the first gear 301a and the solar panel group 201 again, preventing the solar panel group 201 from rotating due to wind interference.

[0050] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A solar tracking device, characterized by: include, A bracket assembly (100) comprises a mounting member (101), a support member (102) arranged on the mounting member (101), and a power transmission member (103) rotatably mounted on the mounting member (101); A photovoltaic assembly (200) comprises a solar panel group (201) in transmission connection with the power transmission member (103), wherein the power transmission member (103) is used to drive the solar panel group (201) to chase light; A locking assembly (300) comprises a transmission member (301) rotatably mounted on the support member (102), a locking member (302) elastically mounted on the support member (102), and a switch member (303) rotatably mounted on the power transmission member (103); The transmission member (301) is in transmission connection with the solar panel group (201), the switch member (303) is in transmission connection with the locking member (302), the switch member (303) is capable of rotating a fixed arc relative to the power transmission member (103), and the locking member (302) is used to lock the transmission member (301).

2. The solar tracking device according to claim 1, wherein: The mounting member (101) comprises a base (101a) and a mounting post (101b) arranged on the base (101a), wherein the top of the mounting post (101b) is recessed downward to form a cavity (101b-1); the support member (102) is inserted into the cavity (101b-1), and the support member (102) is detachably connected to the mounting post (101b).

3. The solar tracking device according to claim 2, wherein: The solar panel group (201) comprises a photovoltaic panel (201a) and a connecting rod (201b), wherein a plurality of photovoltaic panels (201a) are provided, and the connecting rod (201b) is used to connect the plurality of photovoltaic panels (201a), wherein the plurality of photovoltaic panels (201a) are arranged in 1 row and n columns; a mounting groove (102a) is provided at the top of the support member (102), and the connecting rod (201b) is rotatably mounted on the support member (102); the transmission member (301) comprises a first gear (301a), wherein the first gear (301a) is rotatably mounted in the mounting groove (102a), and a first gear tooth portion (201a-1) is provided at the bottom of the photovoltaic panel (201a), and the first gear (301a) is meshed with the first gear tooth portion (201a-1).

4. The solar tracking device according to claim 3, wherein: The power transmission member (103) comprises a driving shaft (103a) and a driven shaft (103b), wherein the driving shaft (103a) and the driven shaft (103b) are both rotatably mounted on the mounting column (101b), and the driving shaft (103a) and the driven shaft (103b) are arranged parallel to each other.

5. The solar tracking device according to claim 4, wherein: The solar panel group (201) further comprises an arc frame (201c), the arc frame (201c) being arranged at the bottom of the photovoltaic panel (201a), a second gear portion (201c-1) being provided on the inner arc surface of the arc frame (201c), a second gear (103a-1) being provided on the driving shaft (103a), and the second gear (103a-1) being meshed with the second gear portion (201c-1); a roller groove (201c-2) being provided on the outer arc surface of the arc frame (201c), a roller (103b-1) being provided on the driven shaft (103b), and the roller (103b-1) being in conflict with the roller groove (201c-2).

6. The solar tracking device according to claim 5, wherein: The switch element (303) comprises a first rotating ring (303a), the first rotating ring (303a) being coaxially arranged with the driving shaft (103a), a first arcuate groove (103a-2) being provided on the circumferential surface of the driving shaft (103a), a spring (103a-3) being provided in the first arcuate groove (103a-2), a paddle (303a-1) being provided on the inner circumferential surface of the first rotating ring (303a), and the paddle (303a-1) being in conflict with the spring (103a-3).

7. The solar tracking device according to claim 6, wherein: A first ratchet groove (301a-1) and a second ratchet groove (301a-2) are respectively provided on both end surfaces of the first gear (301a); the locking member (302) comprises a first ratchet ring (302a) and a second ratchet ring (302b) elastically mounted in the mounting groove (102a); the first ratchet ring (302a) can be engaged with the first ratchet groove (301a-1); the second ratchet ring (302b) can be engaged with the second ratchet groove (301a-2); the direction in which the first ratchet ring (302a) limits the rotation of the first gear (301a) is opposite to the direction in which the second ratchet ring (302b) limits the rotation of the first gear (301a).

8. The solar tracking device according to claim 7, wherein: The bottom of the support member (102) is provided with a mounting cavity (102d), a sleeve (102e) is elastically mounted in the mounting cavity (102d), a clearance groove (102e-1) is provided on the circumferential wall of the sleeve (102e), and the driving shaft (103a) and the driven shaft (103b) are suitable for passing through the clearance groove (102e-1).

9. The solar tracking device according to claim 8, wherein: The sleeve (102e) is connected to the first ratchet ring (302a) and the second ratchet ring (302b) via a pull rope, and the sleeve (102e) is used to drive the first ratchet ring (302a) and the first ratchet groove (301a-1), and the second ratchet ring (302b) and the second ratchet groove (301a-2) to separate respectively.

10. The solar tracking device according to claim 8 or 9, characterized in that: The switch member (303) further comprises a second rotating ring (303b), the second rotating ring (303b) being sleeved on the driving shaft (103a), a second arcuate groove (303b-1) being provided on the inner peripheral wall of the second rotating ring (303b), a convex block (303a-2) being provided on the outer peripheral wall of the first rotating ring (303a), and the convex block (303a-2) being slidably engaged with the second arcuate groove (303b-1); a wedge-shaped pressure block (102e-2) being provided on the inner peripheral wall of the sleeve (102e), and the second rotating ring (303b) being capable of abutting against the wedge-shaped pressure block (102e-2).

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