Self-adjusting air conditioner indoor unit

Abstract

The application provides a self-adjusting air conditioner indoor unit, which comprises a rack, a heat exchanger, a heater and a fan in the rack, a condensation device, a cold and hot conduction device for conducting temperature between the condensation device and the heat exchanger, the condensation device being located on the side of the heat exchanger facing the fan, the condensation device being capable of shaking to make water condensed on the condensation device fall off, a water changing tray, the water changing tray being located at the bottom of the heat exchanger and the condensation device, a partition being arranged in the disc groove of the water changing tray, the partition dividing the water changing tray into upper and lower layers, one end of the partition being arranged to be disconnected with the water changing tray, the disconnected end of the partition being movable relative to the other end, a pushing device being further arranged on the heat changing tray, the pushing device being arranged along the wind direction of the fan, the pushing device being provided with a negative pressure wind generated by the fan to provide a pressing force for the partition, so that the partition is inclined, and the water in the water changing tray can be separated, and the water vapor in the airflow can be condensed, so that the humidity of the outgoing air reaches a stable requirement value.

Description

Technical Field

[0001] This invention relates to the technical field of air conditioning equipment, and more specifically to a self-adjusting indoor air conditioning unit. Background Technology

[0002] Modern electronic equipment rooms are typically used to house sophisticated electronic devices such as computer equipment and program-controlled switches. To improve the stability and reliability of these devices, the temperature and humidity of the environment must be strictly controlled within a specific range. This places even stricter requirements on the indoor air conditioning units, requiring the room temperature and relative humidity to be controlled within ±1 degree Celsius. This significantly improves the lifespan and reliability of the sophisticated electronic equipment.

[0003] An air conditioner indoor unit's function is to output specific cool or hot air according to environmental requirements. Current air conditioners mainly consist of a heat exchanger, a fan, and a heater. Due to the relatively high requirements for outlet air humidity, existing air conditioner indoor units often have two structures: a V-shaped water exchange tray structure and a flat water exchange tray structure. The V-shaped water exchange tray structure mainly occupies a large space and is expensive to manufacture. This invention targets the flat water exchange tray structure. The water exchange tray is located below the heat exchanger to collect water that falls from the heat exchanger. However, when the fan blows air, it easily carries away the water vapor on the water exchange tray, making it difficult to meet the specified humidity requirements after a certain service life. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a self-adjusting air conditioning indoor unit. This self-adjusting air conditioning indoor unit can separate the water in the water exchange pan and condense the water vapor in the airflow to ensure that the humidity of the air outlet reaches a stable required value.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A self-regulating air conditioner indoor unit includes a frame, within which a heat exchanger and a fan are housed, and further includes...

[0007] A condenser is located on the side of the heat exchanger facing the fan. A heat transfer element is provided between the condenser and the heat exchanger to conduct heat. The condenser can be shaken to cause the water condensed on it to fall off.

[0008] A water exchange tray is located at the bottom of the heat exchanger and condenser. A partition is provided in the tray groove of the water exchange tray, which forms an upper and lower layer of the water exchange tray. One end of the partition is disconnected from the water exchange tray, and the disconnected end of the partition is movable relative to the other end. The heat exchange tray is also provided with a toggle member, which is set with the airflow direction of the fan. The toggle member is provided with a counterforce by the negative pressure airflow generated by the fan, so as to tilt the partition.

[0009] Furthermore, the condensate unit includes two sets of condensate stacks. One end of each condensate stack is fixedly connected to the frame, and the other end is movable. Electromagnetic components are provided on the movable ends of both sets of condensate stacks to make the two sets of condensate stacks bend symmetrically to the first position. An air passage gap is formed between the movable ends of the two sets of condensate stacks. The inner curved surfaces of both sets of condensate stacks are inclined toward the water exchange tray at the bottom of the heat exchanger.

[0010] Furthermore, the condensate stack is made of a flexible material, the surface of the condensate stack has several protrusions, the condensate stack has several temperature conduction channels, and the heat conduction component includes a temperature conduction tube, which is connected to the temperature conduction channels.

[0011] Furthermore, the surface of the condensate stack has several condensate holes, and the condensate stack has several intersecting drainage channels. The condensate holes are connected to the drainage channels. The drainage channels extend vertically to the bottom of the condensate stack and penetrate the bottom of the condensate stack. The bottom of the condensate stack is also provided with a drain seat, and the drain seat has a drain hole that penetrates vertically through the drain seat. When the condensate stack is in the first position, the vertical section of the drainage channel is misaligned with the drain hole.

[0012] Furthermore, a return air duct is provided between the fan and the lower layer of the water exchange tray, and a drain pipe is provided between the lower layer of the water exchange tray and the outside.

[0013] Furthermore, a pipe seat is provided on the lower side wall of the water exchange tray, and the return air pipe is connected to the pipe seat. Two sets of piston pipes are also provided on the pipe seat. The piston pipes are all connected to the return air pipe through valves. A pusher is also provided in the lower layer of the water exchange tray. The pusher can move in the piston pipe so that the pusher can push the scale in the lower layer of the water exchange tray to the drain pipe.

[0014] Furthermore, a humidity sensor is provided at the air outlet of the fan, and a control component is also provided inside the frame. The control component includes a parameter acquisition module, an operation timing module, and a self-adjusting control module.

[0015] The parameter acquisition module obtains the humidity value at the fan outlet collected by the humidity sensor.

[0016] The running timing module obtains the time of the last vibration of the condensate stack as the timing point, and records the time after the condensate consumption time as the vibration point, with the timing point as the starting point.

[0017] The self-adjusting control module controls the fan to stop running and controls the electromagnetic components to open or close when the humidity value reaches the threshold or the vibration point is reached.

[0018] Furthermore, the control component also includes a data processing module and a standard update module.

[0019] The data processing module acquires the condensation time and humidity value groups of the first few adjacent condensation stack vibrations, compares the condensation time and humidity value groups, and calculates the condensation loss rate of the condensation stack.

[0020] The standard update module obtains the condensation time and humidity value during the most recent condensation stack vibration, and calculates the number of vibrations based on the condensation loss rate as the vibration number of the current condensation stack.

[0021] Furthermore, the data processing module constructs a condensation model based on the temperature of the condensation plates and the air gap between the two sets of condensation plates, and outputs the condensation rate based on the condensation model.

[0022] The self-adjusting control module matches the temperature and air gap of the corresponding condensate stack as the parameters for this condensate stacking based on the condensate rate and condensate loss rate.

[0023] Furthermore, the actuating element includes a stop plate, and the water exchange tray is provided with a pressure plate. The pressure plate faces the wind direction of the fan. One end of the stop plate is connected to the pressure plate, and the other end is connected to the disconnected end of the partition plate.

[0024] The beneficial effects of this invention are as follows: the moisture in the airflow flowing from the machine to the fan is condensed on the condenser, and then the condensed water is shaken off into the water exchange tray below by the shaking of the condenser. The water exchange tray, with its upper and lower layer design, discharges the water dripping from the heat exchanger and the condenser to the lower layer of the water exchange tray, which can prevent the airflow from carrying too much water up the water exchange tray. Furthermore, a toggle component is provided on the water exchange tray, and the partition between the upper and lower layers is set to be movable. That is, the airflow generated by the fan drives the toggle component, so that the toggle component causes the partition to tilt, making it easier for the water on the partition to flow to the lower layer, thereby ensuring that the outlet air humidity reaches the required value. Attached Figure Description

[0025] Figure 1 This is an overall structural diagram of the present invention;

[0026] Figure 2 This is a structural diagram of the water changing tray in this invention;

[0027] Figure 3 This is a structural diagram of the condensate component in this invention;

[0028] Figure 4 This is a schematic diagram of the control section in this invention.

[0029] Reference numerals: 1. Frame; 2. Heat exchanger; 3. Fan; 4. Condensate component; 41. Condensate fins; 42. Electromagnetic component; 43. Air passage gap; 44. Protrusion; 45. Temperature conduction channel; 46. Condensate hole; 5. Water exchange tray; 51. Partition; 52. Actuating component; 521. Support plate; 53. Pressing plate; 6. Water drain seat; 61. Water drain hole; 7. Return air duct; 8. Drain pipe; 9. Piston tube; 10. Push-purge component; 101. Parameter acquisition module; 102. Running timer module; 103. Self-adjusting control module; 104. Data processing module; 105. Standard update module. Detailed Implementation

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0031] This invention addresses a planar water exchanger tray structure, where the tray is positioned below the heat exchanger to collect water dripping from it. However, when the fan blows air, it easily carries away moisture from the tray, causing the humidity of the outlet air to fail to meet specified requirements after a certain service life. Therefore, this invention designs a self-regulating indoor air conditioning unit, such as... Figure 1 As shown, it includes a frame, which contains a heat exchanger, a heater, and a fan, and also includes...

[0032] like Figure 1 As shown, the condenser is located on the side of the heat exchanger facing the fan. A heat transfer device is provided between the condenser and the heat exchanger to conduct heat to the condenser and adjust the surface temperature of the condenser. When the temperature is slightly higher than the airflow temperature, water vapor in the airflow will condense on the condenser. When the water condensed on the condenser reaches a certain value after a certain period of time or the humidity feedback at the fan outlet exceeds the index, the condenser can shake to make the water condensed on the condenser fall off.

[0033] like Figure 2As shown, the water exchanger tray is located at the bottom of the heat exchanger and condenser. The tray has a partition plate inside its groove, which separates the tray into upper and lower layers. One end of the partition plate is disconnected from the tray, meaning only one end is fixedly connected. The disconnected end of the partition plate is movable relative to the fixed end. The heat exchanger tray also has a deflector, which is positioned according to the fan's airflow direction. The deflector is subjected to negative pressure from the fan, providing resistance to the partition plate and causing it to tilt. When water droplets from the heat exchanger and condenser fall onto the partition plate, under normal circumstances, the partition plate is horizontal, and the water slowly flows towards the disconnect between the partition plate and the tray until it flows to the lower layer. However, when the fan is turned on, creating negative pressure, the airflow pushes the deflector towards the fan side, causing the partition plate to tilt. The water on the partition plate instantly flows down from the disconnect to the lower layer, preventing excessive water from being carried away by the airflow and ensuring that the outlet air humidity reaches the required stable value.

[0034] In addition, to prevent the baffles from being stretched too much and the water on the baffles from traveling too far to the lower layer, resulting in excessive water vapor carried by the airflow, a baffle plate is installed on the water exchange plate between the heat exchanger and the condensate unit. The lower layer of the water exchange plate is connected, and the upper layer has a baffle plate. That is, the baffles consist of two sets, which are independent of each other. The two sets of baffles can be pressed and tilted by the corresponding actuating components.

[0035] like Figure 2 As shown, the actuating component includes a stop plate, and a pressure plate is provided on the water exchange tray. The pressure plate faces the airflow direction of the fan. One end of the stop plate is connected to the pressure plate, and the other end is connected to the disconnected end of the partition plate. Specifically, the pressure plate is in a bent state, bending away from the airflow direction. When the fan is turned on, the airflow of the fan will press against the pressure plate. The stop plate is tilted, with one end passing through the side wall of the water exchange tray. One part of the stop plate is connected below the bent part of the pressure plate, and the other end is connected to the disconnected end of the partition plate. The pressure plate presses down on the stop plate, and the stop plate presses down on the partition plate. Both the pressure plate and the partition plate are made of flexible material. After the movable end of the partition plate is pressed down, the partition plate will tilt, and the disconnection between the partition plate and the water exchange tray will become larger. Furthermore, a movable opening for the stop plate to move up and down is provided on the side wall of the water exchange tray. The end of the stop plate has several sets of narrow connecting sections connected to the partition plate.

[0036] like Figure 3As shown, the condensate unit includes two sets of condensate plates. One end of each condensate plate is fixedly connected to the frame, while the other end is movable. The condensate plates are made of flexible material. Under normal conditions, both sets of condensate plates are straight. Electromagnetic components are installed on the movable ends of both sets of condensate plates. When the electromagnetic components are energized, the two sets of condensate plates will attract each other with opposite magnetic properties, causing them to bend symmetrically to the first position. An air gap is formed between the movable ends of the two sets of condensate plates. The inner curved surfaces of both sets of condensate plates are inclined towards the bottom of the heat exchanger. In the water exchange tray of the heat exchanger, the airflow direction is towards the middle of the fan, so the water vapor content in the airflow above is relatively small. Therefore, the two sets of condensate plates are installed in the lower part, tilted towards the gap between the heat exchanger and the water exchange tray. When the fan is turned on, the airflow of the fan will carry the water on the water exchange tray. Some of the airflow will impact the condensate plates, and the water vapor in the turbine will condense on the condensate plates. Some of the airflow will flow into the air gap. The airflow will flow along the arc-shaped outer surface of the condensate plates, so at this time, water vapor can still condense on the condensate plates.

[0037] Assuming the force of the airflow impacting the condensate stack is N1, the elastic tendency force of the condensate stack is N2, and the attraction force of the electromagnetic component is N3, the three are in balance. When it is necessary to adjust the airflow gap, it is only necessary to change the attraction force N3 of the electromagnetic component. The smaller the airflow gap, the greater the force N1 of the airflow impacting the condensate stack will be, and the attraction force N3 of the electromagnetic component needs to be further increased to a balanced state.

[0038] The surface of the condensate stack has several protrusions. These protrusions can be formed by the condensate stack being a folded plate, or they can be hemispherical or irregularly shaped. The condensate stack has several temperature conduction channels. The heat transfer components include temperature conduction pipes, which are connected to the temperature conduction channels. The heat exchanger can introduce gas or liquid with a certain temperature into the temperature conduction channels of the condensate stack through the temperature conduction pipes, forming a continuous circulation. This increases the temperature of the condensate stack itself, making it easier for water vapor in the cold airflow to condense on the condensate stack.

[0039] The surface of the condensate stack has several condensate holes to improve condensation performance. Inside the condensate stack are several intersecting drainage channels. The condensate holes communicate with the drainage channels. The drainage channels extend vertically to the bottom of the condensate stack, penetrating the entire bottom. That is, the drainage channels in the upper part of the condensate stack are intersecting, either horizontally or vertically, while the drainage channels in the lower part are vertical. The bottom of the condensate stack also has a drain seat with vertically penetrating drain holes. When the condensate stack is in the first position, the vertical sections of the drainage channels... Misaligned with the drain hole, under normal conditions, the condensate stack is straight. At this time, the vertical section of the drainage channel at the bottom of the condensate stack is aligned with the drain hole of the drain seat. When the electromagnetic component and the fan pressure, the condensate stack reaches the first position. When the condensate stack settles for a period of time, water enters the drainage channel from the condensate hole. At this time, the electromagnetic component and the fan stop operating. Under its own elasticity, the vertical section of the condensate stack connects with the drain hole, and the diameter of the drain hole is much larger than the hole of the vertical section. Therefore, the water in the drainage channel is discharged from the drain hole of the drain seat to the water exchange tray below.

[0040] When the humidity detected at the air outlet of the fan is too high, a return air pipe is installed between the fan and the lower layer of the water exchange tray. A drain pipe is installed between the lower layer of the water exchange tray and the outside. By closing the air outlet and opening the valve of the return air pipe, the airflow of the fan can blow the water in the lower layer of the water exchange tray toward the drain pipe.

[0041] In addition, since water accumulation in the lower layer of the water changing pan will cause water stains to accumulate, a pipe seat is provided on the lower side wall of the water changing pan. The return air pipe is connected to the center of the pipe seat. The pipe seat is also equipped with two sets of piston pipes, which are located on both sides of the return air pipe. The diameter of the piston pipe is smaller than that of the return air pipe. The piston pipes are connected to the return air pipe through valves. A pusher is also provided in the lower layer of the water changing pan. The pusher can move in the piston pipe to push the scale in the lower layer of the water changing pan to the drain pipe. When the valve between the piston pipe and the return air pipe is opened, the diversion air pressure of the return air pipe enters the diversion pipe and pushes the pusher. The pusher can horizontally push and scrape away the water stains and dirt in the lower layer of the water changing pan. When the return air pipe is closed, the pusher can return to the piston pipe. The commonly used reset component is a spring, but it can also be an electromagnetic component.

[0042] Control section such as Figure 4 As shown: A humidity sensor is installed at the air outlet of the fan, and a control component is also installed inside the frame. The control component includes a parameter acquisition module, an operation timing module, and a self-adjusting control module.

[0043] The parameter acquisition module obtains the humidity value at the fan outlet collected by the humidity sensor;

[0044] Run the timing module to obtain the time of the last condensate stack vibration as the timing point. Using this timing point as the starting point, record the time after the condensate consumption time as the vibration point. Assume that the timing point of the last condensate stack vibration is T1, that is, the starting point is T1, and the established standard for condensate consumption time is t, that is, the vibration point should be T1+t.

[0045] The self-adjusting control module stops the fan and controls the electromagnetic components to open or close when the humidity value reaches the threshold or the vibration point is reached. Assuming the actual measured humidity value is w and the threshold is w1-w2, if w is still within the range of w1-w2 and the time reaches T1+t, the fan and electromagnetic components need to stop to vibrate and drain the condensate fins. Similarly, if w exceeds w2 but the time has not reached T1+t, the fan and electromagnetic components also need to stop to vibrate and drain the condensate fins. This method can prevent the condensate fins from continuing to condense when they are saturated, which would cause a sudden increase in the outlet humidity.

[0046] The control component also includes a data processing module and a standard update module.

[0047] The data processing module acquires the condensation time and humidity values ​​from the first few consecutive vibrations of the condensate stack. It compares these values ​​and calculates the condensation loss rate of the condensate stack. For example, it retrieves the data from the first few groups: Group A - condensation time 30 minutes - humidity 50%; Group B - condensation time 30 minutes - humidity 55%; Group C - condensation time 27 minutes - humidity 50%; and Group D - condensation time 24 minutes - humidity 50%. By comparing these four groups, it can be analyzed that condensation loss occurs after each vibration of the condensate stack. Based on modeling and existing swarm optimization algorithms, the condensation loss rate of the condensate stack after each vibration can be calculated. Without considering other factors, the cause of condensation loss is attributed to the incomplete drainage of water in the drainage channels within the condensate stack and the incomplete vibration of the surface water on the condensate stack.

[0048] The standard update module obtains the condensation time and humidity value during the most recent vibration of the condensate stack, and calculates the number of vibrations based on the condensation loss rate as the number of vibrations for the current condensate stack. Assuming the most recent data is group D - condensation time of 24 minutes - humidity value of 50%, the module calculates and estimates the condensation situation for the current time based on the data of group D and the condensation loss rate. Then, based on the model, it matches how many vibrations are needed to shake off the water on the condensate stack to achieve the highest condensation efficiency.

[0049] The data processing module constructs a condensation model based on the temperature of the condensation stack and the air gap between the two sets of condensation stacks, and outputs the condensation rate based on the condensation model. This invention also includes other factors that affect condensation, such as the surface temperature of the condensation stack and the air gap between the two sets of condensation stacks. Based on the previous n sets of data, a model is constructed, and the output condensation rate will vary depending on the temperature of the condensation stack and the size of the air gap.

[0050] The self-adjusting control module matches the temperature and air gap of the corresponding condensate stack as the parameters of the condensate stack based on the condensate rate and condensate loss rate. When the vibration frequency is no longer adjusted, it is only necessary to fill the condensate rate with the condensate loss rate. The current condensate loss rate needs to be calculated by summing the previous condensate loss rate with the current estimated condensate loss rate to obtain a total loss. This total loss is used as the condensate rate to adjust the temperature and air gap of the condensate stack.

[0051] Furthermore, without establishing a model, this invention can also adjust the parameters of each factor according to the weight ratio under a specified humidity condition by taking the temperature of the condensate stack, the air gap, and the number of vibrations as weight terms.

[0052] The above are merely preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A self-regulating indoor air conditioning unit, comprising a frame, wherein the frame includes a heat exchanger and a fan, characterized in that: Also includes A condenser is located on the side of the heat exchanger facing the fan. A heat transfer element is provided between the condenser and the heat exchanger to conduct heat. The condenser can vibrate to cause the water condensed on it to fall off. A water exchange tray is located at the bottom of the heat exchanger and condenser. The tray has a partition plate in its groove, which forms an upper and lower layer. One end of the partition plate is disconnected from the tray, and the disconnected end is movable relative to the other end. The tray is also equipped with a toggle element, which is set according to the fan direction. The toggle element is provided with a counterforce by the negative pressure air generated by the fan, so as to tilt the partition plate. The condenser includes two sets of condenser plates. One end of each condenser plate is fixedly connected to the frame, and the other end is movable. Both sets of condenser plates are equipped with electromagnetic components on their movable ends to make the two sets of condenser plates bend symmetrically to the first position. An air passage gap is formed between the movable ends of the two sets of condenser plates. The inner curved surfaces of both sets of condenser plates are inclined toward the water exchange tray at the bottom of the heat exchanger. The condensate stack is made of a flexible material. The surface of the condensate stack has several condensate holes. The condensate stack has several intersecting drainage channels. The condensate holes are connected to the drainage channels. The drainage channels extend vertically to the bottom of the condensate stack and penetrate the bottom of the condensate stack. The bottom of the condensate stack is also provided with a drain seat. The drain seat has a drain hole that penetrates vertically through the drain seat. When the condensate stack is in the first position, the vertical section of the drainage channel is misaligned with the drain hole. A humidity sensor is installed at the air outlet of the fan, and a control component is also installed inside the frame. The control component includes a parameter acquisition module, an operation timing module, and a self-adjusting control module. The parameter acquisition module obtains the humidity value at the fan outlet collected by the humidity sensor. The running timing module obtains the time of the last vibration of the condensate stack as the timing point, and records the time after the condensate consumption time as the vibration point, with the timing point as the starting point. The self-adjusting control module controls the fan to stop running and controls the electromagnetic components to open or close when the humidity value reaches the threshold or the vibration point is reached.

2. The self-adjusting indoor unit of an air conditioner according to claim 1, characterized in that: The surface of the condensate stack has several protrusions, and the condensate stack has several temperature conduction channels. The heat conduction component includes a temperature conduction tube, and the temperature conduction tube is connected to the temperature conduction channels.

3. The self-adjusting indoor unit of an air conditioner according to claim 1, characterized in that: A return air duct is provided between the fan and the lower layer of the water exchange tray, and a drain pipe is provided between the lower layer of the water exchange tray and the outside.

4. The self-adjusting indoor unit of an air conditioner according to claim 3, characterized in that: The lower side wall of the water exchange tray is provided with a pipe seat, and the return air pipe is connected to the pipe seat. The pipe seat is also provided with two sets of piston pipes, and the piston pipes are all connected to the return air pipes through valves. The lower layer of the water exchange tray is also provided with a pusher, which can move inside the piston pipes so that the pusher can push the scale in the lower layer of the water exchange tray to the drain pipe.

5. The self-adjusting indoor unit of an air conditioner according to claim 1, characterized in that: The control component also includes a data processing module and a standard update module. The data processing module acquires the condensation time and humidity value groups of the first few adjacent condensation stack vibrations, compares the condensation time and humidity value groups, and calculates the condensation loss rate of the condensation stack. The standard update module obtains the condensation time and humidity value during the last vibration of the condensate stack, and calculates the number of vibrations based on the condensation loss rate as the vibration number of the current condensate stack. The reason for condensation loss is that the water in the drainage channel inside the condensate stack is not completely drained, and the surface water of the condensate stack is not completely vibrated.

6. The self-adjusting indoor unit of an air conditioner according to claim 5, characterized in that: The data processing module constructs a condensation model based on the temperature of the condensation plates and the air gap between the two sets of condensation plates, and outputs the condensation rate based on the condensation model. The self-adjusting control module matches the temperature and air gap of the corresponding condensate stack as the parameters for this condensate stacking based on the condensate rate and condensate loss rate.

7. The self-adjusting indoor unit of an air conditioner according to claim 1, characterized in that: The actuating element includes a stop plate, and the water exchange tray is provided with a pressure plate. The pressure plate faces the wind direction of the fan. One end of the stop plate is connected to the pressure plate, and the other end is connected to the disconnected end of the partition plate.

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