CN216793607U

CN216793607U - Pulse lamp tube and disinfection cabinet applying same

Info

Publication number: CN216793607U
Application number: CN202123157847.5U
Authority: CN
Inventors: 张文龙
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-21
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a pulse lamp tube, which comprises a tube body (1), a trigger wire (2) and a tube cover (3), and is characterized in that: the both ends of pipe casing (3) are equipped with the porcelain head, and this porcelain head has recess (33) towards the one end of pipe casing (3), and the bottom surface epirelief of this recess (33) is equipped with annular baffle (34) that extend towards pipe casing (3) direction, and this annular baffle (34) separate recess (33) for first mounting groove (331) that are located the middle part and second mounting groove (332) that are located the periphery, annular baffle (34) on seted up the intercommunication bloop (341) of first mounting groove (331) and second mounting groove (332), second mounting groove (332) in fill and have sound absorbing member (3321). The utility model also discloses a disinfection cabinet applying the pulse lamp tube. Compared with the prior art, the pulse lamp tube can improve the noise reduction effect.

Description

Pulse lamp tube and disinfection cabinet applying same

Technical Field

The utility model relates to the technical field of kitchen equipment, in particular to a pulse lamp tube and a disinfection cabinet applying the same.

Background

The disinfection modes of the existing disinfection cabinet products on the market are as follows: ultraviolet sterilization, in which ultraviolet rays are generated by a mercury lamp to perform sterilization; ozone disinfection, which is to disinfect by utilizing the strong oxidizing property of ozone; the ozone and the ultraviolet rays are used for disinfection, and a high-ozone ultraviolet lamp is used for generating the ultraviolet rays and the ozone at the same time, so that a disinfection mode of combined action of ultraviolet irradiation and ozone oxidation is achieved; high-temperature disinfection, adopting infrared heating technology to heat the internal temperature of the disinfection cabinet to a certain high temperature for disinfection. The above sterilization methods have their own advantages and disadvantages.

In order to improve the disinfection efficiency and effect, the utility model patent with the patent application number of CN202010240640.5 (publication number of CN111388692A) discloses a disinfection cabinet and a disinfection method applying the disinfection cabinet, a disinfection device capable of generating pulse flash with the wavelength of 200-1100 nm is arranged in a cabinet body of the disinfection cabinet, a photochemical reaction of an ultraviolet band in the pulse flash, a flash irradiation heat effect and a pulse effect are utilized to disinfect a disinfection cavity, and the disinfection efficiency and the effect are high. The pulse lamp tube mainly comprises a tube body and a trigger wire, wherein rare gas is filled in the tube body, cathodes and anodes are arranged at two ends of the tube body, the trigger wire is wound on the outer peripheral wall of the tube body, and the trigger wire is provided with a leading-out end.

In addition, in order to be adapted to the existing lamp holder, the utility model patent with the patent application number CN202021551799.0 (publication number CN213698147U) discloses a disinfection cabinet with a pulse lamp tube, which is characterized in that a first ceramic head with two first pins and a second ceramic head with two second pins are installed at two ends of a tube body, a cathode end of the tube body is electrically connected with one of the first pins, an anode end of the tube body is electrically connected with one of the second pins, so that the two first pins and the second pins can be matched to play a role of auxiliary assembly, one of the first pins and the second pins can play a role of conducting a circuit, and the pulse lamp tube can be adapted to the existing lamp holder applied to an ultraviolet lamp tube.

When the existing pulse lamp tube flashes, the existing pulse lamp tube discharges gas sparks, a cathode and an anode are broken down, xenon in the tube body expands rapidly when capacitance energy is released, gas shock waves are formed, and noise occurs. In the scheme, the pipe cover is sleeved on the periphery of the pipe body of the pulse lamp pipe, and an interlayer between the pipe cover and the pipe body is vacuumized to achieve the purpose of reducing noise, but the interlayer is poor in sealing performance, so that vacuum is difficult to achieve actually, and the noise reduction effect is poor; in addition, the noise generated by the cathode and the anode of the pulse lamp tube is still easy to diffuse through the porcelain heads at the two ends.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a pulse lamp tube capable of improving noise reduction effect in view of the current situation of the prior art.

The second technical problem to be solved by the utility model is to provide a disinfection cabinet using the pulse lamp tube. The technical scheme adopted by the utility model for solving the first technical problem is as follows: a pulse lamp tube comprises a tube body, rare gas is filled in the tube body, and a cathode and an anode are arranged at two ends of an inner cavity of the tube body;

the trigger wire is wound on the tube body; and

the tube cover is sleeved on the periphery of the tube body, an interlayer is formed between the inner peripheral wall of the tube cover and the outer peripheral wall of the tube body, and the trigger wire is accommodated in the interlayer;

the method is characterized in that: the both ends of pipe cover are equipped with porcelain head, and this porcelain head orientation the one end of pipe cover has the recess, and the bottom surface epirelief of this recess is equipped with the annular baffle towards pipe cover direction extension, and this annular baffle will the recess separate for the first mounting groove that is located the middle part and be located the second mounting groove of periphery, annular baffle on seted up the intercommunication the bloop of first mounting groove and second mounting groove, the second mounting groove in filled with and inhale the sound piece, the tip of body and pipe cover all inserts and establish first mounting groove in.

In order to facilitate the filling of the sound absorbing piece, the sound absorbing piece is made of sound absorbing cotton.

In order to improve the silencing effect, the silencing holes are multiple and are arranged at intervals in a matrix shape.

In order to avoid ozone leakage, plugs are plugged at two ends of the interlayer.

In order to reduce noise, the interior of the sandwich is evacuated.

In order to guarantee the sealing effect and not influence the wiring of the two poles of the body, the end cap is annular and is clamped between the body and the pipe cover, the inner peripheral wall of the end cap abuts against the outer peripheral wall of the body and forms sealing fit, and the outer peripheral wall of the end cap abuts against the inner peripheral wall of the pipe cover and forms sealing fit.

In order to further improve the sealing performance between the plug and the pipe cover and avoid noise from being transmitted out through a gap between the pipe cover and the annular partition plate, an outwardly extending step part is convexly arranged on the outer peripheral wall of the plug, the surface of the step part facing one side of the pipe cover abuts against the end face of the pipe cover and forms sealing fit, and the outer peripheral wall of the step part abuts against the inner peripheral wall of the annular partition plate and forms sealing fit.

In order to limit the position of the thin line inserted into the first mounting groove of the pipe cover and facilitate the assembly of the pipe cover and the first mounting groove, a supporting part is arranged in the first mounting groove, and the end part of the plug abuts against the supporting part.

In order to adapt the pulse lamp tube to an existing lamp holder, the ceramic head close to one side of the cathode is marked as a first ceramic head, the ceramic head close to one side of the anode is marked as a second ceramic head, two first pins are arranged at one end, back to the tube cover, of the first ceramic head, two second pins are arranged at one end, back to the tube cover, of the second ceramic head, the cathode of the tube body is electrically connected with one of the first pins through a lead, and the anode of the tube body is electrically connected with one of the second pins through a lead.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: the disinfection cabinet with the pulse lamp tube comprises a cabinet body, wherein two ends of the pulse lamp tube are arranged on the inner side wall of the cabinet body through two lamp holders.

Compared with the prior art, the utility model has the advantages that: the noise elimination hole and the sound absorption piece are arranged at the porcelain head to form a noise elimination system, so that noise diffusion at the cathode and the anode of the pulse lamp tube is reduced, and noise influence in the working environment of the pulse lamp tube during working is improved.

Drawings

FIG. 1 is a schematic perspective view of a disinfection cabinet according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the pulse tube and the lamp socket of FIG. 1 after assembly;

FIG. 3 is a schematic perspective view of the pulse tube and the lamp holder of FIG. 1 in another direction after assembly;

FIG. 4 is a schematic perspective view of the pulse tube and the socket of FIG. 1 before assembly (the pulse tube is just inserted into the socket);

FIG. 5 is an exploded perspective view of the pulse tube and the lamp socket of FIG. 4;

FIG. 6 is a longitudinal cross-sectional view of the pulse tube of FIG. 2;

fig. 7 is a schematic exploded perspective view of the pulse lamp tube in fig. 2.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Fig. 1 to 7 show a preferred embodiment of the disinfection cabinet with a pulse lamp according to the present invention. The disinfection cabinet comprises a cabinet body 7, a pulse lamp tube 10 and a lamp holder 6. As shown in fig. 1, two ends of the pulse lamp 10 are mounted on the inner side wall of the cabinet 7 through two lamp holders 6.

As shown in fig. 2 to 7, the pulse lamp 10 includes a tube body 1, a trigger wire 2, a tube cover 3, a first ceramic head 4, and a second ceramic head 5.

Specifically, the tube 1 is filled with a rare gas (generally xenon gas), and the tube 1 has a cathode 11 and an anode 12 at the left and right ends of the inner cavity, respectively, the cathode 11 and the anode 12 are formed by powder metallurgy high-temperature sintering of cerium tungsten, barium tungsten, thorium tungsten, and the like, and the tube 1 is made of highly transparent quartz glass and has a diameter of 5 to 30 mm.

The trigger wire 2 is wound around the outer peripheral wall of the outer tube 12 and has a lead-out end to which an external trigger lead wire 21 is connected.

The tube cover 3 is sleeved on the periphery of the tube body 1, an interlayer 31 is formed between the inner peripheral wall of the tube cover and the outer peripheral wall of the tube body 1, the trigger wire 2 is accommodated in the interlayer 31, and the tube cover 3 allows pulse flash to penetrate through; plugs 32 are plugged at two ends of the interlayer 31, and the interior of the interlayer 31 is vacuumized. Specifically, the plug 32 is annular and is clamped between the tube body 1 and the tube cover 3, the inner peripheral wall of the plug 32 abuts against the outer peripheral wall of the tube body 1 and forms a sealing fit, and the outer peripheral wall of the plug 32 abuts against the inner peripheral wall of the tube cover 3 and forms a sealing fit; the outer peripheral wall of the plug 32 is convexly provided with a step 321 extending outwards, and the surface of the step 321 facing the tube cover 3 abuts against the end face of the tube cover 3 to form sealing fit. In this embodiment, the tube cover 3 is made of violet-transmitting quartz glass, and the arrangement of the tube cover 3 plays two roles: on one hand, when the disinfection cabinet electrified pulse lamp tube 10 works, the risk that appliances or human bodies in the cabinet body 7 contact high voltage on the trigger wire 2 can be effectively prevented, and ozone generated by ionization of the trigger wire 2 or ozone leakage can be avoided; on the other hand, the noise generated by arc discharge during the discharge of the two electrodes of the pulse lamp 10 can be effectively eliminated or reduced by the tube cover 3.

The first porcelain head 4 and the second porcelain head 5 are respectively connected to two ends of the tube cover 3, the first porcelain head 4 is installed at the left end of the tube body 1, two first pins 41 are arranged at the end part of the tube body, the cathode 11 of the tube body 1 is electrically connected with one of the first pins 41 through a lead, and a threading hole 42 for the external trigger lead 21 to pass through is formed in the first porcelain head 4 in a penetrating manner; the second porcelain head 5 is installed at the right end of the tube body 1, and the end part is provided with two second pins 51, and the anode 12 of the tube body 1 is electrically connected with one of the second pins 51 through a lead. In this way, the pulse tube 10 can be adapted thereto without the need for modifying an existing lamp holder.

In addition, the two porcelain heads have grooves 33 at one ends facing the pipe cover 3, the bottom surfaces of the grooves 33 are convexly provided with annular clapboards 34 extending towards the direction of the pipe cover 3, the annular clapboards 34 divide the grooves 33 into a first mounting groove 331 positioned in the middle and a second mounting groove 332 positioned at the periphery, the annular clapboards 34 are provided with silencing holes 341 communicating the first mounting groove 331 and the second mounting groove 332, and the silencing holes 341 are multiple and are arranged at intervals in a matrix shape; a support portion 3311 is provided in the first mounting groove 331, and an end of the plug 32 abuts against the support portion 3311; the second mounting groove 332 is filled with sound absorbing cotton as a sound absorbing member 3321, the end portions of the pipe body 1 and the pipe cover 3 are inserted into the first mounting groove 331, and the outer peripheral wall of the step portion 321 of the plug 32 abuts against the inner peripheral wall of the annular partition 34 and forms a sealing fit.

The interior of the tube body 1 of the pulse lamp tube 10 can generate pulse flash with the wavelength of 200-1100 nm, and the interior of the cabinet body is efficiently disinfected through the tube body 1. The action mechanism of the pulse flash sterilization is the synergistic action of all wave bands in a spectral range, and is mainly embodied in three aspects:

(1) photochemical reaction in ultraviolet band: when the microorganism is irradiated by ultraviolet light in the pulsed intense light spectrum, thymine and cytosine in nucleic acid substances (DNA and RNA) generate photochemical reaction to generate dimers, so that the nucleic acid substances of the microorganism are damaged);

(2) flash heating effect: when per cm²When the peak power of the area reaches more than 1000W, the microorganisms are heated>At 100 ℃, because the flash irradiation time is extremely short, microorganisms can not be cooled normally, so that cell walls are broken and melted to die;

(3) pulse effect: the penetration of the intense pulsed light and the transient high energy mechanical impact damage the cell walls and other cellular components, resulting in bacterial death.

One end of the lamp holder 6 is provided with a slot 61 for the first pin 41 or the second pin 51 to be inserted into, the end of the first pin 41 or the second pin 51 is in contact with the end wall of the slot 61 to realize electrical connection, and the front side wall of the lamp holder 6 is provided with a notch 62 communicated with the slot 61 for the first pin 41 or the second pin 51 to pass through and enter the slot 61. The socket 61 is substantially cylindrical, and the two first pins 41 or the two second pins 51 can rotate around the axis of the socket 61 in the socket 61 so as to enable the first pins 41 or the second pins 51 to be in a locking state or an unlocking state.

The inner wall of the cabinet body 7 facing the tube body 1 is provided with a reflecting cover 71 for reflecting the pulse flash generated by the pulse lamp tube 10.

The working principle of the embodiment is as follows:

(1) during installation, the first pin 41 and the second pin 51 of the pulse lamp 10 only need to be inserted into the notches 62 of the two lamp sockets 6 in a contra-rotating manner until, as shown in fig. 4 and 5, the two first pins 41 and the second pin 51 of the pulse lamp 10 are both inserted into the slots 61 of the corresponding lamp sockets 6, at this time, the first pin 41 and the second pin 51 are in an unlocked state, and the first pin 41 and the second pin 51 can be separated from the slots 61 by moving the pulse lamp 10 forward, so that the first pin 41 and the second pin 51 need to rotate forward by about 90 °, as shown in fig. 2 and 3, after rotation, the first pin 41 and the second pin 51 are in a locked state, and the first pin 41 and the second pin 51 cannot be separated from the slots 61 by moving the pulse lamp 10 forward. In addition, the end parts of the two first pins 41 and the second pins 51 are in contact with the end walls of the corresponding slots 61 to realize electric connection, and because the two pins are electrified, the cathode end and the anode end of the tube body 1 can be ensured to be connected to any pin to realize circuit conduction, and error-proof design is not needed when the cathode end and the anode end of the tube body 1 are threaded, so that the assembly efficiency of the lamp tube is improved; meanwhile, the installation of the pulse lamp tube 10 can be completed by connecting the external trigger lead 21 with the trigger circuit;

(2) when the pulse lamp tube is used, the sound deadening holes 341 and the sound absorbing pieces 3321 form a sound deadening system, and the sound is reduced in the process that the noise generated when the two electrodes of the pulse lamp tube 10 discharge is diffused through the porcelain heads at the two ends, so that the working noise of the pulse lamp tube 10 is reduced to a certain degree.

Claims

1. A pulse lamp tube comprises

The gas-liquid separator comprises a tube body (1), rare gas is filled in the tube body (1), and a cathode (11) and an anode (12) are arranged at two ends of an inner cavity of the tube body (1);

the trigger wire (2) is wound on the tube body (1); and

the flash tube comprises a tube cover (3) allowing pulse flash to penetrate, an interlayer (31) is formed between the inner peripheral wall of the tube cover (3) and the outer peripheral wall of the tube body (1), and the trigger wire (2) is accommodated in the interlayer (31);

the method is characterized in that: the both ends of pipe casing (3) are equipped with the porcelain head, and this porcelain head orientation the one end of pipe casing (3) has recess (33), and the bottom surface epirelief of this recess (33) is equipped with towards annular baffle (34) that pipe casing (3) direction extends, and this annular baffle (34) will recess (33) separate for the first mounting groove (331) that is located the middle part and be located the second mounting groove (332) of periphery, annular baffle (34) on seted up the intercommunication bloop (341) of first mounting groove (331) and second mounting groove (332), second mounting groove (332) in fill and have sound absorbing part (3321), the tip of body (1) and pipe casing (3) all inserts and establish first mounting groove (331) in.

2. The pulse lamp tube according to claim 1, wherein: the sound absorbing piece (3321) is made of sound absorbing cotton.

3. The pulse lamp tube according to claim 1, wherein: the silencing holes (341) are multiple and are arranged at intervals in a matrix shape.

4. The pulse lamp tube according to claim 1, wherein: plugs (32) are plugged at two ends of the interlayer (31).

5. The pulse lamp tube according to claim 4, wherein: the interior of the interlayer (31) is evacuated.

6. The pulse lamp tube according to claim 5, wherein: the plug (32) is annular and is clamped between the tube body (1) and the tube cover (3), the inner peripheral wall of the plug (32) abuts against the outer peripheral wall of the tube body (1) and forms sealing fit, and the outer peripheral wall of the plug (32) abuts against the inner peripheral wall of the tube cover (3) and forms sealing fit.

7. The pulse lamp tube according to claim 6, wherein: and a step part (321) extending outwards is convexly arranged on the outer peripheral wall of the plug (32), the surface of one side, facing the tube cover (3), of the step part (321) abuts against the end face of the tube cover (3) and forms sealing fit, and the outer peripheral wall of the step part (321) abuts against the inner peripheral wall of the annular partition plate (34) and forms sealing fit.

8. The pulse lamp tube according to claim 4, wherein: a supporting part (3311) is arranged in the first mounting groove (331), and the end part of the plug (32) is abutted against the supporting part (3311).

9. A pulsed lamp tube according to any one of claims 1 to 8, characterized in that: the ceramic head close to one side of the cathode (11) is marked as a first ceramic head (4), the ceramic head close to one side of the anode (12) is marked as a second ceramic head (5), one end, back to the tube cover (3), of the first ceramic head (4) is provided with two first pins (41), one end, back to the tube cover (3), of the second ceramic head (5) is provided with two second pins (51), the cathode (11) of the tube body (1) is electrically connected with one of the first pins (41) through a lead, and the anode (12) of the tube body (1) is electrically connected with one of the second pins (51) through a lead.

10. A disinfection cabinet using a pulse lamp tube as claimed in any one of claims 1 to 9, comprising a cabinet body (7), wherein both ends of the pulse lamp tube are mounted on the inner side wall of the cabinet body (7) through two lamp holders (6).