Control circuit of touring car packing toilet and touring car packing toilet

Abstract

The utility model discloses a control circuit of a packing toilet of a motor home, which comprises an acquisition module, an execution module used for controlling packing and bag feeding, a control unit, a first sensor unit and a packing unit, the acquisition module is used for acquiring demand information of a user, the acquisition module is connected with the control unit, the execution module is connected with the control unit, and the first sensor unit is connected with the packing unit. The packaging unit is arranged in a machine core of the toilet bowl and used for conducting heat sealing and packaging on plastic bags, the first sensor unit is used for being arranged on a cover plate, the output end of the first sensor unit is connected with the receiving end of the control unit, and the first sensor unit is used for detecting the distance between the cover plate and a seat ring of the toilet bowl. And a corresponding distance detection signal is output to the control unit, so that the control unit controls the packaging unit to carry out heat-sealing packaging on the plastic bag in the toilet.

Description

Technical Field

[0001] The utility model relates to the technical field of sanitary wares, and more specifically, to a control circuit of a packing toilet for a motorhome and a packing toilet for a motorhome. Background Art

[0002] A toilet, also called a sitting toilet, is a covered bucket for urination and defecation. The invention of the toilet is called a great invention, which solves the problem of people's own entry and exit for eating, drinking, and excreting. Later, it gradually evolved into a flushing toilet using the principles of siphon and spiral siphon. Now, the latest flushing toilets use the principles of jet siphon and super-whirl siphon, etc. Some people also think that the flushing toilet is the root of all evils because it consumes a large amount of domestic water. There are many classifications of toilets, including split type and integrated type. With the development of technology, many novel varieties have emerged.

[0003] During the operation of the toilet, playful children may open the cover plate and put their hands into the toilet, resulting in their hands being injured or scalded by the packing mechanism. Therefore, in view of the above problems, the utility model designs a control circuit of a packing toilet for a motorhome and a packing toilet for a motorhome. Content of the Utility Model

[0004] The purpose of the utility model is to provide a control circuit of a packing toilet for a motorhome and a packing toilet for a motorhome to solve the technical problems existing in the related technologies.

[0005] To achieve the above object, according to one aspect of the present disclosure, the present disclosure provides a control circuit of a packing toilet for a motorhome, which is characterized by including an acquisition module, an execution module for controlling packing and bag feeding, a control unit, a first sensor unit, and a packing unit;

[0006] The acquisition module is used to acquire the demand information of the user;

[0007] The acquisition module is connected to the control unit, and the execution module is connected to the control unit;

[0008] The packing unit is arranged in the core of the toilet, and the packing unit is used for heat-sealing and packing the plastic bag in the toilet;

[0009] The first sensor unit is used to be arranged on the toilet. The output end of the first sensor unit is connected to the receiving end of the control unit. The first sensor unit is used to detect the distance between the cover plate of the toilet and the housing of the toilet, and output a corresponding distance detection signal to the control unit, so that the control unit controls the packing unit to heat-seal and pack the plastic bag in the toilet.

[0010] Optionally, the control circuit further includes a second sensor unit;

[0011] The second sensor unit is used to be arranged on the toilet, and the output end of the second sensor unit is connected to the receiving end of the control unit;

[0012] The second sensor unit is used to detect the distance between the sliding door of the toilet and the compartment opening, and output a corresponding distance detection signal to the control unit so that the control unit can control the power supply to be turned on or off.

[0013] Optionally, the first sensor unit includes a first magnetic sensitive element and a first magnet, and the second sensor unit includes a second magnetic sensitive element and a second magnet;

[0014] The first magnetic sensitive element is used to be arranged on the upper part of the shell, and the first magnet is used to be arranged on the side of the cover plate facing the seat ring of the toilet;

[0015] The second magnetic sensitive element is used to be arranged at the compartment opening, and the second magnet is used to be arranged at the pull-type compartment door.

[0016] Optionally, the control circuit further includes a step-down unit and a battery unit;

[0017] The input end of the step-down unit is used to connect to the battery unit and the power supply, the output end of the step-down unit is connected to the power input end of the control unit, and the step-down unit is used to adjust the voltage of the power supply to the power voltage of the control unit.

[0018] Optionally, the control circuit further includes an external fuse unit and an internal fuse unit;

[0019] One end of the external fuse unit is connected to the power supply, and the other end of the external fuse unit is connected to the step-down unit;

[0020] One end of the internal fuse unit is connected to the step-down unit, and the other end of the internal fuse unit is connected to the control unit. When an abnormality occurs, the circuits of the packaging unit and the execution module are disconnected.

[0021] Optionally, the control circuit further includes a spring cable unit and an interface unit;

[0022] One end of the spring cable unit is connected to the power supply through the interface unit, and the other end of the spring cable unit is connected to the input end of the step-down unit.

[0023] A packaged toilet for a recreational vehicle, comprising a toilet and the above-mentioned control circuit;

[0024] The toilet seat includes a housing, a cover plate, a seat ring, a pull - type hatch door and a hatch opening. The seat ring is installed on the housing, the cover plate is rotatably connected to the seat ring, the housing is formed with the hatch opening communicating with the interior of the housing, and the pull - type hatch door is slidably connected to the hatch opening.

[0025] In summary, the present utility model has the following beneficial effects: By detecting the change in the distance between the cover plate and the seat ring through the sensor unit, after the control unit receives the signal, it judges whether it is in the standby state or the inoperable state. If the distance between the cover plate and the seat ring is small, it is in the standby state, that is, the cover plate is closed, and at this time, the packing and bag - sending functions can be started. If the distance between the cover plate and the seat ring is large, it is in the inoperable state, that is, the cover plate is opened, and at this time, the packing and bag - sending functions cannot be started, preventing the hands of playful children from being pinched or scalded by the packing unit when they open the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic structural diagram of a control circuit of a toilet seat for a motorhome with packing function in an embodiment of the present utility model.

[0027] In the figure:

[0028] 10, acquisition module; 11, power button; 12, manual control bag - sending button; 13, sealing and packing button; 20, execution module; 30, control unit; 40, first sensor unit; 41, first magnetosensitive element; 42, first magnet; 50, packing unit; 60, second sensor unit; 61, second magnetosensitive element; 62, second magnet; 70, step - down unit; 71, battery unit; 72, power supply; 73, external fuse unit; 74, internal fuse unit; 80, spring cable unit; 81, interface unit; 90, toilet seat; 91, housing; 92, cover plate; 93, seat ring; 94, pull - type hatch door; 95, hatch opening. SPECIFIC EMBODIMENTS

[0029] To make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present utility model belong to the scope of protection of the present utility model. Therefore, the detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model.

[0030] In the description of the present utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0031] The following will further elaborate on the present utility model with reference to the attached Figure 1 illustrations as shown below.

[0032] As Figure 1 shown, the present disclosure provides a control circuit for a toilet in a motorhome, which is characterized by including an acquisition module 10, an execution module 20 for controlling packing and bag delivery, a control unit 30, a first sensor unit 40, and a packing unit 50. The acquisition module 10 is used to acquire the user's demand information. The acquisition module 10 is connected to the control unit 30. The execution module 20 is connected to the control unit 30. The packing unit 50 is arranged inside the core of the toilet 90. The packing unit 50 is used for heat-sealing and packing plastic bags. The first sensor unit 40 is used to be arranged on the toilet 90. The output end of the first sensor unit 40 is connected to the receiving end of the control unit 30. The first sensor unit 40 is used to detect the distance between the toilet cover 92 and the housing 91 of the toilet 90 and output a corresponding distance detection signal to the control unit 30, so that the control unit 30 controls the packing unit 50 to heat-seal and pack the plastic bag inside the toilet 90.

[0033] The acquisition module 10 is the interface between the system and the user and can be used to receive the user's instructions or demand information. For example, the user may set the power button 11, the manual bag delivery button 12, and the sealing and packing button 13 through the acquisition module 10.

[0034] The execution module 20 can execute specific actions according to the instructions of the control unit 30, such as packing and bag delivery, and can be used to complete operations such as packing excrement and providing new plastic bags.

[0035] The control unit 30 can receive data from the acquisition module 10 and the sensor group, process the information and send control commands to the execution module 20 and the packing unit 50. The control unit 30 can be a microprocessor or a microcontroller capable of running a preset program logic.

[0036] The first sensor unit 40 is installed on the toilet 90 and is used to detect the distance between the cover 92 and the housing 91 of the toilet 90. It can sense the opening and closing state of the cover 92. After the control unit 30 receives the signal, it judges whether it is in the standby state or the inoperable state. If the distance between the cover 92 and the housing 91 is small, it is in the standby state, that is, the cover 92 is closed. At this time, the packing and bag delivery functions can be started. If the distance between the cover 92 and the housing 91 is large, it is in the inoperable state, that is, the cover 92 is opened. At this time, the packing and bag delivery functions cannot be started, preventing the hands of playful children from being pinched or scalded by the packing unit when they open the cover 92.

[0037] The packing unit 50 is built into the movement and includes a necking component for tightening the garbage bag and a heat-sealing component arranged on the necking component for heat-sealing the tightened garbage bag. The packing unit is used for necking and heat-sealing plastic bags. The control unit 30 judges whether the packing unit 50 is in the standby state or the inoperable state according to the signal of the first sensor unit 40.

[0038] Through the above technical solution, when the user finishes using the toilet 90, the first sensor unit 40 detects the change in the distance between the cover 92 and the housing 91 and sends a signal to the control unit 30. After the control unit 30 receives the signal, it judges whether it is in the standby state or the inoperable state. If the distance between the cover 92 and the housing 91 is small, it is in the standby state, that is, the cover is closed. At this time, the packing and bag delivery functions can be started. If the distance between the cover 92 and the housing 91 is large, it is in the inoperable state, that is, the cover 92 is opened. At this time, the packing and bag delivery functions cannot be started, preventing the hands of playful children from being pinched or scalded by the packing unit when they open the cover 92.

[0039] Among them, short pressing or long pressing the manual control bag delivery button 12 can achieve the manual bag delivery operation, long pressing the sealing and packing button 13 for 2S can achieve the automatic bag sealing operation, and long pressing the manual control bag delivery button 12 and the sealing and packing button 13 for 2S at the same time can achieve the operation of only sealing without bag delivery manually.

[0040] Optionally, as Figure 1 shown, the control circuit further includes a second sensor unit 60. The second sensor unit 60 is used to be arranged on the toilet 90. The output end of the second sensor unit 60 is connected to the receiving end of the control unit 30. The second sensor unit 60 is used to detect the distance between the pull-type door 94 of the toilet 90 and the hatch 95 of the toilet 90 and output the corresponding distance detection signal to the control unit 30 so that the control unit 30 can control the power supply to be turned on or off.

[0041] The second sensor unit 60 is provided at the hatch 95 of the toilet 90 (i.e., the opening of the waste collection bin), and its main task is to detect the distance between the pull-type bin door 94 and the hatch 95. This sensor may be a proximity sensor, an optical sensor, or an ultrasonic sensor, capable of accurately measuring the opening and closing state of the bin door.

[0042] When the bin door is closed, the second sensor unit 60 detects that the distance between the bin door and the hatch 95 is close to zero. At this time, the second sensor unit 60 sends a closing signal to the control unit 30. After receiving this signal, the control unit 30 confirms that the bin door is in the closed state, thereby allowing the power supply to conduct, and the entire toilet 90 system can operate normally. This includes functions such as the heating of the packing unit 50, the packing and bag delivery of the execution module 20.

[0043] Conversely, when the bin door is opened, the second sensor unit 60 detects an increase in the distance, that is, there is a gap between the bin door and the hatch 95. At this time, the second sensor unit 60 sends an open-circuit signal to the control unit 30. After receiving this signal, the control unit 30 believes that the bin door is not closed. For safety reasons, it will automatically cut off the power supply to prevent operating the toilet 90 when the bin door is open, avoiding waste overflow, electric leakage, or other safety accidents.

[0044] Optionally, as Figure 1 shown, the first sensor unit 40 includes a first magnetosensitive element 41 and a first magnet 42, and the second sensor unit 60 includes a second magnetosensitive element 61 and a second magnet 62. The first magnetosensitive element 41 is provided at the upper part of the housing 91, and the first magnet 42 is used to be provided on the side of the cover plate 92 facing the seat ring 93 of the toilet 90. The second magnetosensitive element 61 is used to be provided at the hatch 95, and the second magnet 62 is used to be provided on the pull-type bin door 94.

[0045] The first magnetosensitive element 41 is installed at the upper part of the housing 91, and the first magnet 42 is installed on the side of the cover plate 92 facing the seat ring 93. When the cover plate 92 is closed, the first magnet 42 is close to the first magnetosensitive element 41, triggering a change in the sensor state; when the cover plate 92 is opened, the first magnet 42 is away from the first magnetosensitive element 41, and the sensor state is restored.

[0046] The second magnetosensitive element 61 is installed at the hatch 95 for monitoring the opening and closing state of the bin door.

[0047] During the opening and closing processes of the cover plate 92 and the hatch 95, the change in the relative position between the magnet and the magnetosensitive element will cause a change in the magnetic induction intensity of the magnetosensitive element, and further cause a change in the state of the sensor (such as the opening and closing of the circuit). This state change will be converted by the sensor into an electrical signal and transmitted to the control unit 30. The control unit 30 judges the opening and closing states of the cover plate 92 and the bin door based on this and controls the start and stop of related functions.

[0048] Through the cooperation between the set magnet and the magnetic sensitive element, there is no physical contact between the magnetic sensitive element and the magnet, reducing wear and extending the service life of the sensor. The magnetic induction sensor has a fast response speed to magnetic field changes and can timely feedback the states of the cover plate 92 and the bin door. The magnetic induction sensor usually has low power consumption, which helps to extend the battery life of the device or reduce energy consumption. Due to its simple structure, the failure rate of the magnetic induction sensor is low, and maintenance and replacement are relatively easy.

[0049] Optionally, as [[ID=u6]] Figure 1 shown, the control circuit further includes a buck unit 70 and a battery unit 71. The input end of the buck unit 70 is used to connect to the battery unit 71 and the power supply 72. The output end of the buck unit 70 is connected to the power input end of the control unit 30. The buck unit 70 is used to adjust the voltage of the power supply 72 to the operating voltage of the control unit 30.

[0050] The function of the buck unit 70 (usually called a DC-DC converter) is to adjust the input DC voltage to a lower and more stable voltage level to meet the power supply requirements of the control unit 30 and other low-voltage electronic components. This is because components such as the control unit 30 and electronic sensors often require a relatively stable low voltage (such as 3.3V - 5V) to operate, while the voltage of the power supply 72 (such as a vehicle battery) may be higher (such as 9V - 30V) and fluctuate under different conditions.

[0051] The battery unit 71 acts as a backup power supply in the control circuit. When the external power supply 72 (such as the main power supply of a motorhome) is unavailable or unstable, the battery unit 71 can provide continuous power supply to ensure the control circuit and key functions of the toilet 90 continue to operate. This is particularly important during the driving of a motorhome because the vehicle power supply may be affected by factors such as engine start, stop, and load changes.

[0052] The input end of the buck unit 70 is connected to the power supply 72 (such as a vehicle battery) and the battery unit 71, and it can obtain power from either power source. The buck unit 70 detects the input voltage and adjusts the voltage to an appropriate level according to the power consumption requirements of the control unit 30. This process usually involves pulse width modulation (PWM) technology and feedback control to maintain the stability of the output voltage. When the external power supply 72 is available, the buck unit 70 preferentially uses the main power supply; when the main power supply voltage drops or is disconnected, the buck unit 70 automatically switches to the battery unit 71 for power supply to maintain the normal operation of the control circuit. In the system design, a charging management circuit is usually included. When the external power supply 72 is available, this circuit will charge the battery unit 71 to ensure that it is always fully charged and ready to provide power when needed.

[0053] Among them, the battery power of the battery unit 71 is less than 10V, and an alarm can be sounded by manually controlling the signal light on the bag feeding button 12 to continuously display. The battery power of the battery unit 71 is less than 9.3V, and the signal lights of the function buttons of the acquisition module 10 are all off.

[0054] Among them, when the sealing mechanism is moving forward or backward and is blocked by foreign objects, the signal light on the manual bag feeding button 12 flashes, the signal light on the sealing and packaging button 13 goes out, and the buzzer cyclically alarms. Press and hold the manual bag feeding button 12 for 2 seconds to release it.

[0055] Among them, when the temperature sensor, heating element or clamping mechanism is damaged, the signal light on the manual control bag feeding button 12 and the signal light on the sealing and packaging button 13 flash at the same time, the buzzer cyclically alarms, and the user needs to pull out the internal fuse and wait for maintenance.

[0056] Alternatively, as Figure 1 As shown, the control circuit also includes an external fuse unit 73 and an internal fuse unit 74. One end of the external fuse unit 73 is connected to the power supply 72, and the other end of the external fuse unit 73 is connected to the step-down unit 70. One end of the internal fuse unit 74 is connected to the step-down unit 70, and the other end of the internal fuse unit 74 is connected to the control unit 30. When an abnormality occurs, the packaging unit 50 and the execution module 20 are disconnected.

[0057] External fuse unit 73 is typically located between power supply 72 and step-down unit 70. Its primary function is to protect the entire circuit from external power supply overload or short circuit. When the current of external power supply 72 exceeds a predetermined threshold, the external fuse will melt, cutting off the power supply and preventing excessive current from entering step-down unit 70 and subsequent circuits, thereby preventing safety issues such as damage to circuit components and fire.

[0058] The internal fuse unit 74 is located between the step-down unit 70 and the control unit 30. Its function is to protect the control unit 30 and other low-voltage circuits from damage caused by abnormal current. Specifically, it is designed to quickly fuse in the event of an overload or short circuit within the control circuit, cutting off the current, thereby disconnecting the internal circuit of the control unit 30 and, in turn, the circuits to the heating module 50 and the execution module 20. The internal fuse circuit is connected in series to the heating wire, which has a high operating current (approximately 5A), so the internal fuse has a rated current that matches this, and has a higher rated current than the external fuse.

[0059] The external fuse unit 73 and the internal fuse unit 74 together constitute a multi-level circuit protection mechanism. The external fuse first provides primary protection to prevent circuit damage in case of extreme overload. That is, the external fuse is connected in series with the external input, and the external input is a small battery charging current (about 2A). It mainly protects against the danger of PCB failure or battery overcharging damage caused by large currents generated by the vehicle-mounted battery or other external inputs, and also prevents the danger or damage caused by large current discharge of the vehicle-mounted battery. The internal fuse provides more refined protection to ensure that even in the case of relatively small-scale overload or short circuit, the key parts of the control circuit can be protected.

[0060] Optionally, as Figure 1 shown, the control circuit further includes a spring cable unit 80 and an interface unit 81. One end of the spring cable unit 80 is connected to the power supply 72 through the interface unit 81, and the other end of the spring cable unit 80 is connected to the input end of the buck unit 70.

[0061] The spring cable unit 80, also known as a retractor or telescopic wire, is a cable that can automatically retract. It can automatically wind back when not in use, reducing clutter and saving space. In the scenario of the folding toilet 90 in a recreational vehicle, the spring cable unit 80 can be used to connect the power supply 72 and the buck unit 70, so that even when the toilet 90 is moved or adjusted inside the vehicle, the cable can remain tidy and avoid entanglement and damage.

[0062] The interface unit 81 generally refers to a standardized connector for connecting different devices or components. In this example, the interface unit 81 is used to connect the spring cable unit 80 to the power supply 72, and may also provide a connection point to the buck unit 70. The design of the interface unit 81 should ensure a firm electrical connection and good mechanical stability, while also considering easy plugging and unplugging for easy maintenance and cable replacement.

[0063] According to another aspect of the present disclosure, as Figure 1 shown, a folding toilet 90 for a recreational vehicle is provided, including the toilet 90 and the above-mentioned control circuit. The toilet 90 includes a housing 91, a cover plate 92, a seat ring 93, a pull-type hatch 94 and a hatch opening 95. The seat ring 93 is installed on the housing 91, the cover plate 92 is rotatably connected to the seat ring 93, the housing 91 is formed with a hatch opening 95 communicating with the inside of the housing 91, and the pull-type hatch 94 is slidably connected to the hatch opening 95.

[0064] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, various changes and modifications can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A control circuit for a packaged toilet in a recreational vehicle, characterized in that: It comprises an acquisition module (10), an execution module (20) for controlling packaging and bag delivery, a control unit (30), a first sensor unit (40), and a packaging unit (50); The acquisition module (10) is used to acquire user demand information; The acquisition module (10) is connected to the control unit (30), and the execution module (20) is connected to the control unit (30); The packing unit (50) is arranged in the core of the toilet (90), and the packing unit (50) is used to heat-seal and pack the plastic bags in the toilet (90); The first sensor unit (40) is used to be arranged on the toilet (90), and the output end of the first sensor unit (40) is connected to the receiving end of the control unit (30). The first sensor unit (40) is used to detect the distance between the cover plate (92) of the toilet (90) and the shell (91) of the toilet (90), and output a corresponding distance detection signal to the control unit (30), so that the control unit (30) controls the packaging unit (50) to heat-seal and package the plastic bags in the toilet (90).

2. The control circuit according to claim 1, wherein: The control circuit further includes a second sensor unit (60); The second sensor unit (60) is used to be arranged on the toilet (90), and the output end of the second sensor unit (60) is connected to the receiving end of the control unit (30); The second sensor unit (60) is used to detect the distance between the sliding door (94) of the toilet (90) and the opening (95) of the toilet (90), and output a corresponding distance detection signal to the control unit (30), so that the control unit (30) can control the power supply to be turned on or off.

3. The control circuit according to claim 2, characterized in that: The first sensor unit (40) includes a first magnetic sensitive element (41) and a first magnet (42), and the second sensor unit (60) includes a second magnetic sensitive element (61) and a second magnet (62); The first magnetic sensitive element (41) is used to be arranged on the upper part of the housing (91), and the first magnet (42) is used to be arranged on a side of the cover plate (92) facing the seat ring (93) of the toilet (90); The second magnetic sensitive element (61) is used to be arranged at the compartment opening (95), and the second magnet (62) is used to be arranged at the pull-type compartment door (94).

4. The control circuit according to claim 1, wherein: The control circuit further includes a voltage reduction unit (70) and a battery unit (71); The input end of the voltage reduction unit (70) is used to connect to the battery unit (71) and the power supply (72), the output end of the voltage reduction unit (70) is connected to the power input end of the control unit (30), and the voltage reduction unit (70) is used to adjust the voltage of the power supply (72) to the power voltage of the control unit (30).

5. The control circuit according to claim 4, characterized in that: The control circuit further includes an external fuse unit (73) and an internal fuse unit (74); One end of the external fuse unit (73) is connected to the power supply (72), and the other end of the external fuse unit (73) is connected to the voltage reduction unit (70); One end of the internal fuse unit (74) is connected to the step-down unit (70), and the other end of the internal fuse unit (74) is connected to the control unit (30). When an abnormality occurs, the circuits of the packaging unit (50) and the execution module (20) are disconnected.

6. The control circuit according to claim 4, characterized in that: The control circuit further comprises a spring cable unit (80) and an interface unit (81); One end of the spring cable unit (80) is connected to the power supply (72) via the interface unit (81), and the other end of the spring cable unit (80) is connected to the input end of the step-down unit (70).

7. A packaged toilet for a recreational vehicle, characterized in that: comprising a toilet (90) and a control circuit according to any one of claims 1 to 6; The toilet (90) includes a shell (91), a cover plate (92), a seat ring (93), a pull-type compartment door (94) and a compartment opening (95), wherein the seat ring (93) is mounted on the shell (91), the cover plate (92) is rotatably connected to the seat ring (93), the shell (91) is formed with the compartment opening (95) connected to the interior of the shell (91), and the pull-type compartment door (94) is slidably connected to the compartment opening (95).

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