Ceramic heating tube for mass spectrometer

Abstract

The utility model discloses a ceramic heating tube for a mass spectrometer, and belongs to the technical field of mass spectrometer heating tubes. Comprising a pipe body, the pipe body is hollow, a plurality of heating cavities are formed in the pipe body, limiting seats are slidably connected into the heating cavities, ceramic pipes are inserted into the limiting seats, heating wires are arranged in the ceramic pipes, end covers are fixedly connected to the ends, away from the limiting seats, of the ceramic pipes, and U-shaped pipes are inserted into the limiting seats; according to the utility model, when the heating wire at a certain position is damaged, a worker can replace the heating wire independently, a plurality of separated heating modes are adopted, and when the gas needs to be rapidly heated, the heating wire can be replaced by the U-shaped pipe, so that the heating wire can be replaced by the U-shaped pipe, and the heating wire can be replaced by the U-shaped pipe. Gas can be introduced into the pipe body, the heating wires work, the temperature of a channel in the pipe body can be increased more quickly, the gas passes through the channel of the pipe body, and the gas can be heated quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ceramic heating pipe for mass spectrometer belongs to mass spectrometer heating pipe technical field. BACKGROUND

[0002] Mass spectrometer is also called mass spectrometer, it is the instrument of separating and detecting different isotopes, that is, according to the principle that charged particles can be deflected in electromagnetic field, according to the mass difference of the atoms, molecules or molecular fragments of the substance, a kind of instrument for separating and detecting the composition of the substance, in the process of working of mass spectrometer, the gas to be detected needs to be heated, the heated gas is output to the detection part for detection, because the gas flow rate is fast, therefore the part of the gas heating needs to have fast temperature rise and can be instantaneously heated to the appropriate temperature.

[0003] The existing gas heating equipment in mass spectrometer is generally of ceramic tubular structure, when using, the ceramic tube heats the surrounding air, so as to heat the inlet gas, which will make the gas heat slowly, affect the subsequent detection effect, and the existing ceramic tube is integral, when the heating wire in the ceramic tube is damaged at a place, the entire heating tube needs to be replaced, so the heating function cannot be used, and after the new heating tube is installed into the mass spectrometer, low-temperature air needs to be heated to high temperature, which needs more time, and the ceramic tube is directly inserted into the inside of the mass spectrometer during installation, the ceramic tube will first contact the mass spectrometer, if the ceramic tube is not balanced when placed, it will knock the inner wall of the mass spectrometer during installation, which is easy to cause damage to the ceramic tube, therefore, we propose a ceramic heating pipe for mass spectrometer. SUMMARY

[0004] The utility model wants to solve the technical problem in providing a ceramic heating pipe for mass spectrometer, it solves the problem that the ceramic tube in the prior art is integral, when the heating wire in the ceramic tube is damaged at a place, the entire heating tube needs to be replaced, which is easy to cause resource waste, and the ceramic tube is directly inserted into the inside of the mass spectrometer during installation, the ceramic tube will first contact the mass spectrometer, if the ceramic tube is not balanced when placed, it will knock the inner wall of the mass spectrometer during installation, which is easy to cause damage to the ceramic tube.

[0005] The technical problem solved by the utility model is realized by the following technical scheme:

[0006] A ceramic heating pipe for mass spectrometer, including pipe body, the pipe body is hollowly arranged, a plurality of heating cavities are arranged in the pipe body, a limiting seat is slidably connected in the heating cavity, a ceramic tube is inserted into the limiting seat, a heating wire is arranged in the ceramic tube, an end cover is fixedly connected to the end of the ceramic tube away from the limiting seat, a U-shaped tube is inserted into the limiting seat, the U-shaped tube penetrates through the limiting seat and extends into the inside of the end cover, and the outer surfaces of the two ends of the U-shaped tube are both screw-connected with lock nuts.

[0007] By adopting the above technical scheme, the pipe body is internally provided with a plurality of heating wires, when a heating wire at a certain position is damaged, a worker can replace it alone, the plurality of separated heating modes are adopted, the heating wires at other positions can still work normally, the heating function of the mass spectrometer can still be used, the air temperature can be kept relatively stable, after the new heating wire is replaced, the heating wire is started again, the air can reach the required temperature more quickly, when the gas needs to be rapidly heated, the gas can be introduced into the pipe body, the plurality of heating wires work, the channel in the pipe body can be rapidly heated, the gas passes through the channel in the pipe body, the gas can be more rapidly heated, when the ceramic pipe is installed in the heating cavity, the limiting seat is sleeved on the end portion of the ceramic pipe, the limiting seat can protect the end portion of the ceramic pipe, the limiting seat can be more stable when moving due to the limiting of the heating cavity, the ceramic pipe is ensured to be horizontal, the probability of damage is reduced, the ceramic pipe is installed in the pipe body, when the heating pipe is installed in the mass spectrometer, the ceramic pipe can be prevented from directly contacting the mass spectrometer, and the ceramic pipe is prevented from being bumped.

[0008] The utility model further sets up: the inside installation of pipe body has temperature sensor, temperature sensor passes through wire electrically connected with temperature controller, and the end portion of temperature sensor is arranged in the inside of heating cavity.

[0009] By adopting the above technical scheme, the temperature sensor can detect the temperature in the heating cavity, when the temperature in a certain heating cavity is obviously smaller than that in other heating cavities, it indicates that the heating wire in the heating cavity is faulty, the worker can find it in time and repair it.

[0010] The utility model further sets up: one end of pipe body is fixedly connected with baffle, is installed with positioning frame on baffle, the outer surface of end cover is fixedly connected with positioning block, and the positioning block is inserted in the inside of positioning frame and is locked by locking handle.

[0011] By adopting the above technical scheme, after the ceramic pipe is inserted into the inside of the heating cavity, the positioning block on the end cover is just inserted into the inside of the positioning frame, the positioning block and the positioning frame are connected by the locking handle, and the ceramic pipe is more stably installed in the inside of the heating cavity.

[0012] The utility model further sets up: the outer surface of U-shaped pipe is fixedly connected with limiting plate.

[0013] By adopting the above technical scheme, when the limiting plate contacts with the limiting seat, it indicates that the U-shaped pipe has been installed in place when the U-shaped pipe is installed in the inside of the limiting seat.

[0014] The utility model further sets up: the end cover is equipped with handle, the quality of handle is stainless steel.

[0015] Through adopting above-mentioned technical scheme, when the ceramic tube is drawn out from the heating cavity, the staff can pull the handle, and the ceramic tube is drawn out more conveniently and labor-saving.

[0016] The utility model further sets up: the baffle is fixed with the feed pipe, and one end of the feed pipe is connected with the hollow position of the pipe body.

[0017] Through adopting above-mentioned technical scheme, the gas can be introduced into the pipe body through the feed pipe, and when the gas flows in the pipe body channel, the heat generated by the multiple heating wires can heat the gas, so that the gas is heated faster.

[0018] The utility model further sets up: the extension path of heating wire is spiral.

[0019] Through adopting above-mentioned technical scheme, the heat emission of the heating wire can be more uniform, the length of the heating wire is increased, and more heat can be generated by the heating wire.

[0020] The utility model discloses a heating pipe for mass spectrometer has the advantages that through the setting of pipe body, heating cavity, limit seat, ceramic tube, heating wire, end cover, U-shaped pipe and lock nut, a plurality of heating wires are installed in the pipe body, when the heating wire at a certain place is damaged, the staff can replace it individually, adopts multiple separated heating modes, the heating wires in other areas can still work normally, the heating function of the mass spectrometer can still be used, the air temperature can be kept relatively stable, after replacing the new heating wire, starting the heating wire again can make the air reach the required temperature faster, when the gas needs to be heated quickly, the gas can be introduced into the pipe body, the multiple heating wires work, the channel in the pipe body can be heated faster, the gas passes through the pipe body channel, the gas can be heated and heated faster, when the ceramic tube is installed in the heating cavity, the limit seat is sleeved on the end of the ceramic tube, the limit seat can protect the end of the ceramic tube, the limit seat can move more stably due to the limiting of the heating cavity, the ceramic tube can be kept horizontal, the probability of damage is reduced, the ceramic tube is installed in the pipe body, the pipe body can protect the ceramic tube, when the heating pipe is installed in the mass spectrometer, the ceramic tube can not be directly contacted with the mass spectrometer, the ceramic tube can not be bumped, and the service life of the ceramic tube is prolonged. ACCURACY

[0021] Figure 1 It is the axial measurement structure schematic diagram of the utility model;

[0022] Figure 2 It is the rear view section axial measurement structure schematic diagram of the utility model;

[0023] Figure 3 is a schematic diagram of the explosion structure of the utility model;

[0024] Figure 4 is a schematic diagram of the axial measurement structure of the ceramic tube in the utility model;

[0025] Figure 5 is a schematic diagram of the local enlarged structure of the utility model;

[0026] Figure 6 is a schematic diagram of the local enlarged structure of the utility model Figure 1 ; is a schematic diagram of the enlarged structure of A in the utility model;

[0027] Figure 7 is a schematic diagram of the local enlarged structure of the utility model;

[0028] Figure 8 is a schematic diagram of the cross-sectional axial measurement structure of the ceramic tube in the utility model.

[0029] In the figure: 1, tube body; 2, heating cavity; 3, limiting seat; 4, ceramic tube; 5, heating wire; 6, end cover; 7, U-shaped tube; 8, locking nut; 9, temperature sensor; 10, temperature controller; 11, baffle; 12, positioning frame; 13, positioning block; 14, feed pipe; 15, limiting plate; 16, handle. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0031] Example 1

[0032] As Figures 1 to 8As shown, a ceramic heating tube for mass spectrometer, including the tube body 1, the tube body 1 is hollow, the inside of the tube body 1 is provided with a plurality of heating cavities 2, the number of heating cavities 2 is four, the inside of the heating cavity 2 is slidably connected with a limiting seat 3, the inside of the limiting seat 3 is inserted with a ceramic tube 4, the inside of the ceramic tube 4 is provided with a heating wire 5, the extension path of the heating wire 5 is spiral, a plurality of heating wires 5 are installed in the tube body 1, when the heating wire 5 at a certain position is damaged, the staff can replace it alone, the heating function of the mass spectrometer can still be used, the air temperature remains relatively stable, after the new heating wire 5 is replaced, the heating wire 5 is started again, the air can reach the required temperature faster, when the gas needs to be heated quickly, the gas can be introduced into the inside of the tube body 1, a plurality of heating wires 5 work, the channel in the tube body 1 can be heated faster, the gas passes through the channel of the tube body 1, the gas can be heated and warmed up more quickly, the end of the ceramic tube 4 away from the limiting seat 3 is fixedly connected with an end cover 6, the inside of the limiting seat 3 is inserted with a U-shaped tube 7, the U-shaped tube 7 penetrates through the limiting seat 3 and extends to the inside of the end cover 6, the two ends of the U-shaped tube 7 are inserted in the end cover 6, the outer surfaces of the two ends of the U-shaped tube 7 are threadedly connected with lock nuts 8, the outer surface of the U-shaped tube 7 is fixedly connected with a limiting plate 15, a baffle 11 is fixedly installed with a feeding pipe 14, the feeding pipe 14 is fixedly installed in the middle of the front of the baffle 11, one end of the feeding pipe 14 is communicated with the hollow position of the tube body 1.

[0033] As shown in Figure 1 and Figure 2 , the inside of the tube body 1 is installed with a temperature sensor 9, the temperature sensor 9 is electrically connected with a temperature controller 10 through wires, the end of the temperature sensor 9 is arranged in the inside of the heating cavity 2, when the tube body 1 is in the installed position, the temperature controller 10 is electrically connected with the temperature sensing element on the mass spectrometer, so that the mass spectrometer can feed back the temperature data to the user by reading the temperature data of the temperature controller 10, the temperature controller 10 and the heating wire 5 are electrically connected with the mass spectrometer and are powered by the mass spectrometer, the temperature sensor 9 can detect the temperature in the heating cavity 2, when the temperature in a certain heating cavity 2 is obviously smaller than that in other heating cavities 2, it indicates that the heating wire 5 in the heating cavity 2 is faulty, the staff can find it in time and repair it.

[0034] As shown in Figure 1 , Figure 3 and Figure 6As shown, one end of the pipe body 1 is fixedly connected with the baffle 11, the baffle 11 is installed with the positioning frame 12, the positioning frame 12 is fixedly installed on the front of the baffle 11, and is provided with four, the four positioning frames 12 are arranged in a circumferential manner with the central axis of the pipe body 1, the outer surface of the end cover 6 is fixedly connected with the positioning block 13, the positioning block 13 is inserted into the inside of the positioning frame 12 and locked by the locking handle, then the positioning block 13 is inserted into the inside of the positioning frame 12, the threaded column provided on the locking handle will pass through the positioning frame 12 and the positioning block 13 in turn, the positioning block 13 is fixed, and the positioning block 13 is more stably installed in the inside of the positioning frame 12, then the ceramic tube 4 is inserted into the inside of the heating cavity 2, the positioning block 13 on the end cover 6 is just inserted into the inside of the positioning frame 12, the positioning block 13 and the positioning frame 12 are connected by the locking handle, and the ceramic tube 4 is more stably installed in the inside of the heating cavity 2.

[0035] As shown in Figure 1 and Figure 6 The handle 16 is installed on the end cover 6, the handle 16 is made of stainless steel, when the ceramic tube 4 is pulled out from the inside of the heating cavity 2, the staff can pull the handle 16, which is more convenient and labor-saving to pull out the ceramic tube 4.

[0036] When the ceramic tube 4 is installed in the inside of the heating cavity 2, the limiting seat 3 is sleeved on the end of the ceramic tube 4, the limiting seat 3 can protect the end of the ceramic tube 4, and because the heating cavity 2 limits the limiting seat 3, the limiting seat 3 moves more stably, the ceramic tube 4 is guaranteed to be horizontal, is not easy to knock, reduces the probability of damage, and the ceramic tube 4 is installed in the inside of the pipe body 1, the pipe body 1 can protect the ceramic tube 4, when the heating tube is installed in the inside of the mass spectrometer, the ceramic tube 4 can avoid direct contact with the mass spectrometer, will not cause the ceramic tube 4 to knock, prolongs the service life.

[0037] When in use, the staff can first sleeve the limiting seat 3 on the end of the ceramic tube 4, then insert the U-shaped pipe 7 into the inside of the limiting seat 3 and the end cover 6, and tighten the locking nut 8 to limit and fix the U-shaped pipe 7, then the staff can insert the limiting seat 3 into the inside of the heating cavity 2 to complete the installation of the ceramic tube 4, then the positioning block 13 can be inserted into the inside of the positioning frame 12, the locking handle is tightened, the ceramic tube 4 is more stably installed in the inside of the heating cavity 2, the staff can observe the state of the heating wire 5 according to the display number of the temperature controller 10, when the temperature display number in the inside of a certain heating cavity 2 is obviously smaller than that of other heating cavities 2, it indicates that the heating wire 5 in the inside of the heating cavity 2 fails, the staff can find and repair in time, the gas is introduced into the inside of the pipe body 1, multiple heating wires 5 work, the passage in the inside of the pipe body 1 can be heated faster, the gas passes through the passage of the pipe body 1, and the gas can be heated and warmed up more quickly.

[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and various changes and improvements can be made without departing from the spirit and scope of the present application. These changes and improvements are all within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A ceramic heating tube for a mass spectrometer, comprising a tube body (1), characterized in that: The tube body (1) is hollow and has several heating chambers (2) inside. A limiting seat (3) is slidably connected inside the heating chamber (2). A ceramic tube (4) is inserted inside the limiting seat (3). A heating wire (5) is installed inside the ceramic tube (4). An end cap (6) is fixedly connected to one end of the ceramic tube (4) away from the limiting seat (3). A U-shaped tube (7) is inserted inside the limiting seat (3). The U-shaped tube (7) passes through the limiting seat (3) and extends into the end cap (6). Locking nuts (8) are threaded onto the outer surfaces of both ends of the U-shaped tube (7).

2. A ceramic heating tube for a mass spectrometer according to claim 1, characterized in that: A temperature sensor (9) is installed inside the tube (1). The temperature sensor (9) is electrically connected to a temperature controller (10) via a wire. The end of the temperature sensor (9) is located inside the heating chamber (2).

3. A ceramic heating tube for a mass spectrometer according to claim 1, characterized in that: One end of the tube (1) is fixedly connected to a baffle (11), a positioning frame (12) is installed on the baffle (11), and a positioning block (13) is fixedly connected to the outer surface of the end cap (6). The positioning block (13) is inserted into the inside of the positioning frame (12) and locked by a locking handle.

4. A ceramic heating tube for a mass spectrometer according to claim 1, characterized in that: A limiting plate (15) is fixedly connected to the outer surface of the U-shaped tube (7).

5. A ceramic heating tube for a mass spectrometer according to claim 1, characterized in that: A handle (16) is installed on the end cap (6).

6. A ceramic heating tube for a mass spectrometer according to claim 3, characterized in that: A feed pipe (14) is fixedly installed on the baffle (11), and one end of the feed pipe (14) is connected to the hollow part of the pipe body (1).

7. A ceramic heating tube for a mass spectrometer according to claim 1, characterized in that: The extension path of the heating wire (5) is spiral.

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