Vol 5 Chapter 2522: Lunar lander design

In addition, considering that the entire space express needs to reciprocate frequently in the earth-moon orbit and run for a long time, we designed two sets of the same system for the spacecraft. These two systems are not related to each other, but they are backups of each other. When one of the systems fails, it will automatically switch to another system.

These two systems are not only at the software system level, but will also be extended to the hardware system. For example, the main engine of the spacecraft, the attitude engine, the life support system of the spacecraft, and so on.

In this way, the safety of the entire space express vehicle during the voyage can be greatly guaranteed.

In addition, we have not designed an emergency avoidance procedure for the Space Express. When the Space Express fails at any stage of the earth-moon orbit, and the system and humans cannot handle and eliminate it in time, only the astronauts need to confirm it. Or if it is confirmed on the ground, the Space Express will automatically switch to emergency mode, and on the premise of ensuring the safety of the crew members in the cabin, it will start to return along the scheduled procedure to send the crew members back to Earth. "

In addition, if there is a problem during the flight around the moon, the members can also take the lunar lander to make an emergency landing. The lunar lander will calculate according to the position to ensure that it lands on the lunar scientific research station.

Of course, this probability is very small, but no matter what, we will be extremely prepared and always put the safety of personnel first.

Speaking of this, Zhou Xiangming glanced at Yang Fan, and then continued: "We have already started the design and development of the lunar lander.

In the previous two lunar probe projects, we have accumulated very rich experience in this regard. So in this regard, we have full confidence. "

Speaking of this, Zhou Xiangming slid the transparent folding screen on the table, and then a set of 3D models of lunar landers appeared on the big screen. While rotating the model to show everyone, he introduced it to everyone.

"Please see, this is the design model of our lunar lander. Compared with ordinary lunar landers, our lunar lander has a tighter structure.

The entire lunar lander is mainly composed of these parts, namely the innermost passenger compartment, the landing shock absorption system below, the upper thruster module, the docking port, and the capsule-shaped tank around the docking port. The body is the fuel storage tank.

Next, I will introduce the basic situation of each part of the entire lunar lander. In order, first of all, I will introduce the crew module, which is the core of the entire lunar lander.

The entire crew cabin is in the shape of a wine bottle, and the other parts are actually assembled around the design of the wine bottle.

The lower cylindrical part of the crew cabin is divided into two modules, which are the lower airlock cabin, and the main entrance and exit, or hatch, of the entire lunar lander is connected to the airlock cabin. This hatch and the connected airlock are responsible for the entry and exit of the entire lunar lander on the lunar surface.

The upper part of the airlock is the real crew cabin. The crew cabin is divided into upper and lower floors. The lower part can be surrounded by six space chairs for six crew members. The upper part can be surrounded by four space chairs. chairs that can seat four members. "

"The control part of the entire lunar landing site is placed on it, next to the two seats on the side. That is to say, these two seats are the commander and deputy commander of the lunar lander. Simply put It's the captain and vice-captain.

Under normal circumstances, they will monitor the operating status of the entire lunar lander. When the lunar lander fails and cannot operate autonomously, the commander and deputy commander will take over the lunar lander and perform manual operations. manipulation.

Above these two layers of seats is the docking port, which is mainly used for docking with the Space Express, so the passage must be slender, like a bottle mouth.

Then outside the crew cabin, from top to bottom, first of all, the entire bottleneck part, that is, outside the part of the crew cabin docking port, the capsule-like tank surrounding this circle is the fuel tank of the entire lunar lander .

Because the lunar lander has to land as a whole, rise as a whole, and go back and forth for a long time, the fuel tanks of the lunar lander are more, and the fuel stored is also more, so as to meet the requirements of the entire lunar lander for landing, taking off and launching, and Needs during emergency landing.

Then outside the part from the bottleneck to the bottle body, so that the two circles are the spacecraft thrusters of the entire lunar lander. The entire thruster is set on the top rather than the bottom, mainly because the lunar lander will blow up a lot of lunar soil and moon dust when it lands on the moon. If it is too low, the fine sand of the lunar soil will gradually enter the thruster, thus becoming a Hidden danger, causing failure. "

"So when we were designing, we put the propellers of the lunar lander on it, so that the dust from the lunar soil blown by the tail flame of the propellers would not affect these propeller engines.

In order to facilitate the long-term operation and maintenance of the entire lunar lander, these thruster engines can be replaced individually, so this will greatly reduce its future operation and maintenance costs and make maintenance more convenient.

We have prepared eighteen engine propellers of different sizes for the entire lunar lander. The reason for preparing so many is to provide sufficient power output for the entire lunar lander, and on the other hand, to ensure When 20% of the engine breaks down, UU Reading www. uukanshu.com The entire lunar lander can also operate normally.

When 50% of the propeller engine fails, it can still ensure that the speed of the lunar lander is controlled within a safe range when it lands, and the safety of its members can be guaranteed to the greatest extent. "

"The lower part of the platform is the entire landing buffer system, which mainly uses the hydraulic system for buffering and shock absorption to minimize the vibration and impact caused by landing on the lunar surface.

In addition, these space chairs in the crew compartment also have a shock-absorbing structure, so it can also reduce the impact caused by a part of the collision and greatly protect the personal safety of the members.

We plan to put three such lunar landers on the lunar scientific research station, two of which can be used alternately for daily operations. One is used as a backup and emergency system to undertake the emergency avoidance and escape needs of all members of the crew cabin.

Of course, when the second phase of the lunar scientific research station is completed, it will not be needed. Because in the second phase of the lunar scientific research station project, we will also build a backup emergency refuge center near the lunar scientific research station for future emergency use. "