A remote monitoring system for pressurized residential spaces

Abstract

The present application belongs to the field of remote monitoring technology, and in particular, relates to a remote monitoring system for a pressurized residential space, including a pressurized residential space, a monitoring camera body, a heat dissipation dust box, a cloud platform, and a remote computer. The monitoring camera body is movably installed in the pressurized residential space, and a heat dissipation dust box is installed on the monitoring camera body. The cloud platform is electrically connected to the monitoring camera body, and a shift screw is rotatably installed in the pressurized residential space. In the present invention, the monitoring camera body monitors the pressurized residential space in real time, and the cloud platform stores the monitored images and can transmit them to a remote computer of an external device, and can be played in real time through the remote computer, so that the staff can know the monitoring situation in the pressurized residential space. During monitoring, the servo motor works, so that the monitoring camera body can move, thereby ensuring the perfection of the monitoring area.

Description

Technical Field

[0001] The invention relates to a remote monitoring system, in particular to a pressurized residential space remote monitoring system. Background Art

[0002] The low air pressure in plateau areas will have an impact on the health of people living on the plateau, making them feel uncomfortable and affecting their work and life. For people who need to live on the plateau for a short period of time, this impact is even greater. Even a mild cold on the plateau may lead to rapid progression of the disease and endanger life if it is not treated promptly and effectively. In order to reduce the adverse effects of low air pressure, pressurized buildings (fixed) or pressurized living facilities (integrated facilities, movable) can be set up in the plateau area to provide the same external pressure as in the plain area, thereby alleviating altitude sickness.

[0003] Pressurized living spaces need to be remotely monitored when in use to ensure that the living conditions in the pressurized living space can be obtained at the first time, but the existing monitoring system cannot achieve remote monitoring; and the monitoring equipment introduces dust while dissipating heat, causing damage to the components in the monitoring equipment and even affecting the ventilation of the heat dissipation mechanism.

[0004] In view of this, the present invention designs a pressurized residential space remote monitoring system. Summary of the invention

[0005] The main purpose of the present disclosure is to provide a pressurized residential space remote monitoring system to effectively solve the problems raised by the inventor in the above-mentioned background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows: A pressurized residential space remote monitoring system includes a pressurized residential space, a monitoring camera body, a heat dissipation dust box, a cloud platform and a remote computer, wherein the monitoring camera body is movably installed in the pressurized residential space, and a heat dissipation dust box is installed on the monitoring camera body, the cloud platform is electrically connected to the monitoring camera body, a shift screw is rotatably installed in the pressurized residential space, and a linear slide is fixedly installed in the pressurized residential space, a moving seat is threadedly installed on the shift screw, and the moving seat is slidably installed on the linear slide, the monitoring camera body is connected to the bottom of the moving seat, a servo motor is fixedly installed on the outside of the pressurized residential space, and the output end of the servo motor is fixedly connected to one end of the shift screw, the cloud platform is connected to the remote computer signal, and the remote computer is located outside the pressurized residential space.

[0007] Preferably, an adaptor bin is provided inside the base fixing seat so that the bottom of the base fixing seat is open, a cloud platform is detachably installed on the top of the monitoring camera body, and a ring hook for quick connection is rotatably installed on the top of the cloud platform, the cloud platform extends into the adaptor bin, a cylinder platform is fixedly connected to the top of the base fixing seat, and a vertical screw is threadedly connected in the groove of the cylinder platform, a hook is fixedly connected to the bottom end of the vertical screw, and the hook extends into the adaptor bin and hooked on the ring hook, a control rod is rotatably installed on the inner wall of the adaptor bin, external threads are provided on the outer surfaces of the two ends of the control rod, and the thread rotation directions of the two external threads are opposite, reciprocating sliders are threadedly installed at the two external threads, and the reciprocating sliders are slidably installed in the adaptor bin, a mounting frame is fixedly connected to the bottom of the reciprocating slider, a protective component is provided on the side where the two mounting frames are close to each other, and the cloud platform is located between the two protective components.

[0008] Preferably, the protection component includes a buffer spring and a buffer clamp block, one end of the buffer spring is fixed to the mounting frame, and the other end thereof is fixed to the buffer clamp block, and the side of the buffer clamp block facing the cloud platform is provided with clamping teeth.

[0009] Preferably, a fin-shaped heat sink is installed on the inner cavity side wall of the cloud platform, a shell is fixedly connected to the top of the monitoring camera body, and the shell is installed on the lower end of the cloud platform through positioning pins.

[0010] Preferably, one end of the control rod extends out of the base fixing seat and is fixedly connected to a No. 2 handle, and the top end of the vertical screw extends into the groove and is fixedly connected to a No. 1 handle.

[0011] Preferably, one side of the heat dissipation type dustproof box is open, and the other side of the heat dissipation type dustproof box is provided with a plurality of evenly distributed heat-removing holes, a heat dissipation drive motor is fixedly installed in the heat dissipation type dustproof box, and the output end of the heat dissipation drive motor is fixedly connected to a driving shaft, a filter is fixedly installed on the inner wall of the heat dissipation type dustproof box, a fan blade is fixedly installed on the driving shaft, and the end of the driving shaft away from the heat dissipation drive motor passes through the filter and is provided with a cleaning brush, and the open part of the heat dissipation type dustproof box is provided with wing-shaped heat dissipation plates arranged equidistantly from top to bottom.

[0012] Preferably, a notch is provided at the bottom of the heat dissipation dustproof box, and a dust hopper is threadedly connected to the notch, and the dust hopper is located below the side of the filter screen close to the cleaning brush.

[0013] Preferably, a rotating rod is fixedly sleeved on the driving shaft, and a driven shaft is rotatably installed on the end of the rotating rod away from the driving shaft, the left end of the driven shaft is fixedly connected to a cleaning brush, and the left side of the cleaning brush touches the right side of the filter, and a gear ring is fixedly installed on the inner wall of the heat dissipation type dustproof box, and the end of the driven shaft away from the cleaning brush extends into the gear ring and is fixedly connected to a linkage gear, and the linkage gear meshes with the teeth in the gear ring.

[0014] Preferably, the inner wall of the open portion of the heat dissipation type dustproof box is fixedly connected with equally spaced swing rods, each of the fin-shaped heat dissipation plates is rotatably mounted on the swing rods, and a counterweight plate is embedded at the bottom of the fin-shaped heat dissipation plate.

[0015] Preferably, an adsorption sponge is bonded to the inner bottom wall of the dust hopper.

[0016] In view of this, compared with the prior art, the beneficial effects of the present invention are: (I) In the present application, the monitoring camera body conducts real-time monitoring of the pressurized living space. The cloud platform stores the monitored images and transmits them to a remote computer of an external device. The remote computer can play them in real time so that the staff can know the monitoring situation in the pressurized living space. During monitoring, the servo motor works to enable the monitoring camera body to move, thereby ensuring the perfection of the monitoring area.

[0017] (ii) In the present application, after the main body of the surveillance camera is installed, in order to enhance its anti-shake effect, the control lever is rotated to make the two reciprocating sliders move toward each other, and then the two mounting frames move toward each other and fix the cloud platform. With the cooperation of the protective components, the clamping force is ensured to avoid damage to the cloud platform.

[0018] (III) In the present application, the heat dissipation drive motor drives the fan blades on the active shaft to rotate, so that the external cold air enters the heat dissipation dust box on the monitoring camera body through the opening of the heat dissipation dust box, and the fin-shaped heat sink plays a preliminary heat removal effect. The cold air exchanges heat with the fin-shaped heat sink and the monitoring camera body to improve the heat dissipation efficiency. Then the hot air is discharged through the heat removal holes. In this process, the filter net effectively isolates the external dust, and the dust falls into the dust hopper for collection, thereby making the dust prevention and dust removal effect of the monitoring camera body better.

[0019] (IV) In the present application, the fin-shaped heat sink swings around the swing rod under the action of its suction force, so that the fin-shaped heat sink releases the blockage of the open opening of the heat dissipation dust box, allowing external air to enter stably. When the heat dissipation drive motor is turned off, due to the setting of the counterweight plate, the side of the fin-shaped heat sink containing the counterweight plate is heavier than the other side, so that the fin-shaped heat sink can be reset to a vertical state and always face vertically downward. At this time, the fin-shaped heat sink tends to seal the heat dissipation dust box, thereby preventing external dust from entering the main body of the surveillance camera when not in use, extending its service life, and ensuring the clarity of surveillance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The figure shows the internal structure schematic diagram of the pressurized residential space remote monitoring system provided by the present invention; Figure 2 Shown is a schematic diagram of the connection between the camera and the cloud platform; Figure 3 Shown Figure 2 Schematic diagram of the local structure in; Figure 4 The figure shows the internal structure of the heat dissipation dust box; Figure 5 Shown Figure 4 A schematic diagram of another state; Figure 6 Shown is a side view of the connection between the ring gear and the linkage gear.

[0021] icon: Pressurized residential spaces; 1-surveillance camera body; 100-shift screw rod; 101-linear guide rail; 102-moving seat; 103-servo motor; 104-remote computer; 2-heat dissipation dust box; 203-heat dissipation drive motor; 204-filter; 205-dust bucket; 206-wing-type heat dissipation plate; 207-driving shaft; 208-rotating rod; 209-cleaning brush; 2010-gear ring; 2011-driven shaft; 201 2-linkage gear; 2013-rocker; 2014-weight plate; 2015-heat-removing hole; 2016-adsorption sponge; 3-cloud platform; 4-adapter compartment; 5-control rod; 6-external thread; 7-reciprocating slider; 8-mounting frame; 9-handle No. 2; 10-buffer spring; 11-buffer clamp; 12-housing; 13-locating pin; 14-cylinder platform; 15-vertical screw; 16-ring hook; 17-handle No. 1. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-6 , the present invention provides the following embodiments: A pressurized residential space remote monitoring system includes a pressurized residential space, a monitoring camera body 1, a heat dissipation dust box 2, a cloud platform 3 and a remote computer 104, wherein the monitoring camera body 1 is movably installed in the pressurized residential space, and the monitoring camera body 1 is installed with the heat dissipation dust box 2, the cloud platform 3 is electrically connected to the monitoring camera body 1, a displacement screw 100 is rotatably installed in the pressurized residential space, and a linear slide rail 101 is fixedly installed in the pressurized residential space, a moving seat 102 is threadedly installed on the displacement screw 100, and the moving seat 102 is slidably installed on the linear slide rail 101, the monitoring camera body 1 is connected to the bottom of the moving seat 102, a servo motor 103 is fixedly installed on the outside of the pressurized residential space, and the output end of the servo motor 103 is fixedly connected to one end of the displacement screw 100, the cloud platform 3 is signal-connected to the remote computer 104, and the remote computer 104 is located outside the pressurized residential space.

[0024] Specifically, an adapting bin 4 is provided inside the basic fixing seat 1, so that the bottom of the basic fixing seat 1 is open, a cloud platform 3 is detachably installed on the top of the monitoring camera body 2, and a ring hook 16 for quick connection is rotatably installed on the top of the cloud platform 3, and the cloud platform 3 extends into the adapting bin 4, a cylinder platform 14 is fixedly connected to the top of the basic fixing seat 1, and a vertical screw 15 is threadedly connected in the groove of the cylinder platform 14, and a hook is fixedly connected to the bottom end of the vertical screw 15, and the hook extends into the adapting bin 4 and hooked on the ring hook 16, and a control rod 5 is rotatably installed on the inner wall of the adapting bin 4, and external threads 6 are provided on the outer surfaces of the two ends of the control rod 5, and the thread rotation directions of the two external threads 8 are opposite, and reciprocating sliders 7 are threadedly installed at the two external threads 8, and the reciprocating slider 7 is slidably installed in the adapting bin 4, and a mounting frame 8 is fixedly connected to the bottom of the reciprocating slider 7, and a protective component is provided on the side where the two mounting frames 8 are close to each other, and the cloud platform 3 is located between the two protective components.

[0025] Specifically, the protection component includes a buffer spring 10 and a buffer clamp 11. One end of the buffer spring 10 is fixed to the mounting frame 8, and the other end thereof is fixed to the buffer clamp 11. The buffer clamp 11 is provided with clamping teeth on the side facing the cloud platform 3.

[0026] Specifically, a fin-shaped heat sink is installed on the inner cavity side wall of the cloud platform 3 , a shell 12 is fixedly connected to the top of the monitoring camera body 2 , and the shell 12 is installed on the lower end of the cloud platform 3 through a positioning pin 13 .

[0027] Specifically, one end of the control rod 5 extends out of the basic fixing seat 1 and is fixedly connected to the second handle 9, and the top end of the vertical screw rod 15 extends into the groove and is fixedly connected to the first handle 17.

[0028] Specifically, one side of the heat dissipation dust box 2 is open, and the other side of the heat dissipation dust box 2 is provided with a number of evenly distributed heat-removing holes 2015, a heat dissipation drive motor 203 is fixedly installed in the heat dissipation dust box 2, and the output end of the heat dissipation drive motor 203 is fixedly connected to a driving shaft 207, a filter 204 is fixedly installed on the inner wall of the heat dissipation dust box 2, a fan blade is fixedly installed on the driving shaft 207, and the end of the driving shaft 207 away from the heat dissipation drive motor 203 passes through the filter 204 and is provided with a cleaning brush 209, and the open part of the heat dissipation dust box 2 is provided with wing-shaped heat dissipation plates 206 arranged equidistantly from top to bottom.

[0029] Specifically, a notch is provided at the bottom of the heat dissipation dustproof box 2, and a dust hopper 205 is threadedly connected to the notch. The dust hopper 205 is located below the filter 204 on the side close to the cleaning brush 209.

[0030] Specifically, a rotating rod 208 is fixedly sleeved on the driving shaft 207, and a driven shaft 2011 is rotatably installed on one end of the rotating rod 208 away from the driving shaft 207, the left end of the driven shaft 2011 is fixedly connected to a cleaning brush 209, and the left side of the cleaning brush 209 touches the right side of the filter 204, a gear ring 2010 is fixedly installed on the inner wall of the heat dissipation dustproof box 2, the end of the driven shaft 2011 away from the cleaning brush 209 extends into the gear ring 2010 and is fixedly connected to a linkage gear 2012, and the linkage gear 2012 meshes with the teeth in the gear ring 2010.

[0031] Specifically, the inner wall of the open portion of the heat dissipation dustproof box 2 is fixedly connected with equally spaced swing rods 2013 , each fin-shaped heat dissipation plate 206 is rotatably mounted on the swing rods 2013 , and a counterweight plate 2014 is embedded at the bottom of the fin-shaped heat dissipation plate 206 .

[0032] Specifically, the inner bottom wall of the dust hopper 205 is bonded with an adsorption sponge 2016 .

[0033] The specific implementation of this embodiment is as follows: the monitoring camera body 1 performs real-time monitoring of the pressurized living space, the cloud platform 3 stores the monitored images, and can transmit them to the external remote computer 104, which can be played in real time through the remote computer 104, so that the staff can know the monitoring situation in the pressurized living space. During monitoring, the servo motor 103 works, so that the monitoring camera body 1 can move, thereby ensuring the perfection of the monitoring area; During installation, the cloud platform 3 on the monitoring camera body 1 is extended into the adapting chamber 4, and the ring hook is put on the hook of the vertical screw 15, so that the monitoring camera body 1 can be fixed on the basic fixing seat. Since the ring hook rotates on the cloud platform 3, when the vertical screw 15 is rotated, the ring hook rotates synchronously, but the monitoring camera body 1 does not rotate. The vertical screw 15 is threadedly installed on the barrel 14, so that the position of the monitoring camera body in the adapting chamber can be adjusted, and it is convenient to disassemble and assemble; After the monitoring camera body 1 is installed, in order to improve its anti-shake effect, the control rod 5 is rotated to make the two reciprocating sliders 7 move toward each other, and then the two mounting frames 8 move toward each other and fix the cloud platform 3. With the cooperation of the protective component, the clamping force is guaranteed to avoid damage to the cloud platform 3; The heat dissipation drive motor 203 drives the fan blades on the driving shaft 207 to rotate, so that the external cold air enters the heat dissipation dust box 2 on the monitoring camera body 1 through the open part of the heat dissipation dust box 2, and the fin-shaped heat dissipation plate 206 plays a preliminary heat dissipation effect. The cold air exchanges heat with the fin-shaped heat dissipation plate 206 and the monitoring camera body 1 to improve the heat dissipation efficiency. Then the hot air is discharged through the heat dissipation holes 2015. In this process, the filter 204 effectively isolates the external dust, and the dust falls into the dust hopper 205 for collection, thereby making the dust prevention and dust removal effect of the monitoring camera body 1 better; When the heat dissipation drive motor 203 is working, the driving shaft 207 drives the rotating rod 208 to make a circular motion, so that the rotating rod 208 drives the cleaning brush 209 to make a circular motion and clean the filter 204. At this time, the linkage gear 2012 rolls along the teeth inside the gear ring 2010. When the linkage gear 2012 rotates, it drives the driven shaft 211 to rotate, so that the driven shaft 211 drives the cleaning brush 209 to rotate, and then the cleaning brush 209 continuously scrapes off the dust adsorbed on the windward side of the filter 204, so as to avoid too much dust sticking to the filter 204 and affecting the use; When the heat dissipation drive motor 203 starts and sucks air, the fin-shaped heat sink 206 swings around the swing rod 2013 under the action of its suction force, so that the fin-shaped heat sink 206 releases the blockage of the open opening of the heat dissipation dust-proof box 2, allowing external air to enter stably. When the heat dissipation drive motor 203 is turned off, due to the setting of the counterweight plate 2014, the side of the fin-shaped heat sink 206 containing the counterweight plate 2014 is heavier than the other side, so that the fin-shaped heat sink 206 can be reset to a vertical state and always face vertically downward. At this time, the fin-shaped heat sink 206 tends to seal the heat dissipation dust-proof box 2, thereby preventing external dust from entering the surveillance camera body 1 when not in use, extending the service life, and ensuring the clarity of monitoring.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A pressurized residential space remote monitoring system, characterized in that: The invention comprises a pressurized residential space, a monitoring camera body (1), a heat dissipation dustproof box (2), a cloud platform (3) and a remote computer (104), wherein the monitoring camera body (1) is movably installed in the pressurized residential space, and the heat dissipation dustproof box (2) is installed on the monitoring camera body (1), the cloud platform (3) is electrically connected to the monitoring camera body (1), a displacement screw rod (100) is rotatably installed in the pressurized residential space, and a linear slide rail (101) is fixedly installed in the pressurized residential space, and the displacement screw rod (100) is electrically connected to the monitoring camera body (1) and the remote computer (104 ... A movable seat (102) is threadedly mounted on the rod (100), and the movable seat (102) is slidably mounted on a linear slide rail (101); the monitoring camera body (1) is connected to the bottom of the movable seat (102); a servo motor (103) is fixedly mounted outside the pressurized residential space, and the output end of the servo motor (103) is fixedly connected to one end of the transposition screw rod (100); the cloud platform (3) is signal-connected to a remote computer (104), and the remote computer (104) is located outside the pressurized residential space.

2. A pressurized residential space remote monitoring system according to claim 1, characterized in that: The base fixing seat (1) is provided with an adapting chamber (4) inside, so that the bottom of the base fixing seat (1) is open-shaped, the top of the monitoring camera body (2) is detachably mounted with a cloud platform (3), and the top of the cloud platform (3) is rotatably mounted with a ring hook (16) for quick connection, the cloud platform (3) extends into the adapting chamber (4), the top of the base fixing seat (1) is fixedly connected with a cylinder platform (14), and a vertical screw rod (15) is threadedly connected in a groove of the cylinder platform (14), and the bottom end of the vertical screw rod (15) is fixedly connected with a hook, and the hook extends to the adapting chamber ( 4) and hooked on the ring hook (16), the inner wall of the adapting bin (4) is rotatably mounted with a control rod (5), the outer surfaces of the two ends of the control rod (5) are provided with external threads (6), and the thread rotation directions of the two external threads (8) are opposite, the two external threads (8) are threadedly mounted with reciprocating sliders (7), and the reciprocating sliders (7) are slidably mounted in the adapting bin (4), the bottom of the reciprocating slider (7) is fixedly connected with a mounting frame (8), and the two mounting frames (8) are provided with protective components on the sides close to each other, and the cloud platform (3) is located between the two protective components.

3. A pressurized residential space remote monitoring system according to claim 1, characterized in that: The protection component comprises a buffer spring (10) and a buffer clamp block (11); one end of the buffer spring (10) is fixed to the mounting frame (8), and the other end thereof is fixed to the buffer clamp block (11); and a clamping tooth is provided on a side of the buffer clamp block (11) facing the cloud platform (3).

4. A pressurized residential space remote monitoring system according to claim 1, characterized in that: A fin-shaped heat sink is installed on the inner cavity side wall of the cloud platform (3); a shell (12) is fixedly connected to the top of the monitoring camera body (2); and the shell (12) is installed on the lower end of the cloud platform (3) via a positioning pin (13).

5. A pressurized residential space remote monitoring system according to claim 1, characterized in that: One end of the control rod (5) extends outside the base fixing seat (1) and is fixedly connected to a second handle (9), and the top end of the vertical screw rod (15) extends into the groove and is fixedly connected to a first handle (17).

6. A pressurized residential space remote monitoring system according to claim 1, characterized in that: One side of the heat dissipation dustproof box (2) is open, and the other side of the heat dissipation dustproof box (2) is provided with a plurality of evenly distributed heat-dissipating small holes (2015); a heat dissipation drive motor (203) is fixedly installed in the heat dissipation dustproof box (2), and the output end of the heat dissipation drive motor (203) is fixedly connected to a driving shaft (207); a filter screen (204) is fixedly installed on the inner wall of the heat dissipation dustproof box (2); a fan blade is fixedly installed on the driving shaft (207); and one end of the driving shaft (207) away from the heat dissipation drive motor (203) passes through the filter screen (204) and is provided with a cleaning brush (209); and a wing-shaped heat dissipation plate (206) arranged equidistantly from top to bottom is provided at the open portion of the heat dissipation dustproof box (2).

7. A pressurized residential space remote monitoring system according to claim 1, characterized in that: A notch is provided at the bottom of the heat dissipation dustproof box (2), and a dust hopper (205) is threadedly connected to the notch. The dust hopper (205) is located below the filter screen (204) on the side close to the cleaning brush (209).

8. A pressurized residential space remote monitoring system according to claim 1, characterized in that: A rotating rod (208) is fixedly sleeved on the driving shaft (207), and a driven shaft (211) is rotatably mounted on one end of the rotating rod (208) away from the driving shaft (207), the left end of the driven shaft (211) is fixedly connected to a cleaning brush (209), and the left side of the cleaning brush (209) contacts the right side of the filter (204), a gear ring (210) is fixedly mounted on the inner wall of the heat dissipation dustproof box (2), the end of the driven shaft (211) away from the cleaning brush (209) extends into the gear ring (210) and is fixedly connected to a linkage gear (212), and the linkage gear (212) meshes with teeth in the gear ring (210).

9. A pressurized residential space remote monitoring system according to claim 1, characterized in that: The inner wall of the open portion of the heat dissipation type dustproof box (2) is fixedly connected to swing rods (213) distributed at equal intervals, each of the fin-shaped heat dissipation plates (206) is rotatably mounted on the swing rods (2013), and a counterweight plate (2014) is embedded at the bottom of the fin-shaped heat dissipation plate (206).

10. A pressurized residential space remote monitoring system according to claim 1, characterized in that: An adsorption sponge (2016) is bonded to the inner bottom wall of the dust hopper (205).

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