High-precision automatic gas distribution instrument

Abstract

The invention discloses a high-precision automatic gas distribution instrument which comprises a gas distribution instrument body, a gas distribution instrument panel fixed in front of the gas distribution instrument body, an instrument rear fixed seat fixed behind the gas distribution instrument body, lifting support rods connected to two sides of the gas distribution instrument body, a body shell arranged in the gas distribution instrument body, and a hinged cover plate hinged to the body shell, clamping seat connecting grooves are formed in the machine body shell and the hinged cover plate, rod fixing holes are formed in the two sides of the machine body shell, an operation display screen is installed on the gas distribution instrument panel, a USB socket is formed in one side of the operation display screen, and an electric control switch and a power connector are arranged on the other side of the operation display screen. The closed inner box in the gas distribution instrument body is used for closing gas distribution instrument accessories, meanwhile, the temperature control device installed on the box shell is used for controlling the temperature, no matter in any use environment, the external temperature does not interfere with the temperature in the closed inner box arranged in the gas distribution instrument, and the temperature control effect is good. Therefore, constant temperature is kept in the closed inner box for the work of accessories of the gas distributor, and the gas distribution precision is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of gas distribution instruments, in particular to a high-precision automatic gas distribution instrument. Background Art

[0002] The high-precision automatic gas distributor system is a high-tech product developed for the needs of gas analysis and testing instrument calibration, calibration and detection. It can achieve gas distribution of specific concentration and flow rate through a single machine, which greatly facilitates the gas testing work of scientific researchers. This product is widely used in scientific research institutes, biopharmaceuticals, environmental monitoring and other occasions and units that require mixed gases.

[0003] However, the prior art has the following deficiencies: during the use of the existing automatic gas distributor, the temperature and humidity inside the gas distributor may change due to the different regional locations of the use environment. The temperature change may affect the density and flow characteristics of the gas, thereby causing a decrease in the accuracy and stability of the gas distribution. Summary of the invention

[0004] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or be understood by implementing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and other drawings of the description.

[0005] The object of the present invention is to overcome the above-mentioned shortcomings and provide a high-precision automatic gas distributor, which completes the closure of the gas distributor accessories through a closed inner box in the gas distributor body, and at the same time, after closing, a temperature control device is connected to the box shell to form temperature control. No matter in what use environment, the outside temperature does not interfere with the temperature inside the closed inner box of the gas distributor, so as to ensure that the closed inner box maintains a constant temperature for the gas distributor accessories to work, thereby ensuring the gas distribution accuracy.

[0006] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a high-precision automatic gas distribution instrument, including a gas distribution instrument body, a gas distribution instrument panel is fixed in front of the gas distribution instrument body, an instrument rear fixed seat is fixed at the rear of the gas distribution instrument body, lifting rods are connected to both sides of the gas distribution instrument body, a body shell is arranged in the gas distribution instrument body, a hinged cover plate is hingedly connected to the body shell, a card seat connection groove is provided on the body shell and the hinged cover plate, and a fixing rod hole is provided on both sides of the body shell; an operation display screen is installed on the gas distribution instrument panel, and the operation display screen A USB socket is provided on one side, an electric switch and a power connector are provided on the other side of the operation display screen, several indicator lights are installed below the USB socket, an RJ232 connector is provided below one of the indicator lights, an air outlet pipe is provided below the RJ232 connector, and several air inlet pipes are provided below the operation display screen; a temperature control device is installed in the body shell, a plurality of side slide grooves are provided on the side wall of the body shell, a plurality of alignment sleeves are fixed on the side wall of the body shell, a closed inner box is provided behind the temperature control device, and a sealing cover is installed on the closed inner box. The sealing cover is nested to cooperate with the top of the closed inner box to complete the closure of the closed inner box, and at the same time, the gas distribution instrument accessories are enclosed therein, so that it forms an independent constant temperature studio to prevent the influence of external temperature and the internal heat generated from interfering with the gas distribution accuracy of the gas distribution instrument.

[0007] The present invention is further improved, the closed box is provided with a box shell, a plurality of flow controllers are installed in the box shell, the same number of stop valves are provided next to the flow controller, a connecting pipe is connected between the stop valve and the flow controller, a gas mixing tank is provided next to the stop valve, a conduit is independently connected between the gas mixing tank and the plurality of stop valves, and a pumping pump and a conduit are installed at the other end of the gas mixing tank. The connecting pipe is used to connect the stop valve and the flow controller, and is also used to connect the flow controller and the air intake pipe, so that the three are interconnected, and high-precision gas input and mixing are completed.

[0008] The present invention is further improved, wherein a shell is arranged inside the box shell, a plurality of limit columns are arranged inside and outside the shell, a nesting ring is opened on the side wall of the shell, and air duct covers are arranged on both sides of the nesting ring. The air duct covers are mainly installed on both sides of the nesting ring, and at least two are arranged, which are used for nesting the temperature control fan and play the role of dust and foreign matter prevention.

[0009] The present invention is further improved, the wind tube cover and the nesting ring are used to cooperate with the temperature control device, the upper part of the shell is nested and closed by the sealing cover, the hinged cover plate is hingedly matched with the side slide groove and slidably adjusted, the rear of the temperature control device is matched with the rear seat of the instrument, the rear seats of the instrument are nested with the card seat connection groove and are bolted, the fixed rod hole is connected to the lifting rod, the flow controller is connected to the end of the air intake pipe through the corresponding pipe, and the suction pump and the top of the conduit are connected to the air outlet pipe. The hinged cover plate is mainly hingedly matched with the side slide groove, and can form an outer slide to provide space for hinged swing during maintenance, so that the internal structure of the body shell can be presented one by one, which is convenient for the inspection and maintenance of the gas distribution instrument.

[0010] The present invention is further improved, the temperature control device is provided with a temperature controller, a screen is installed on the surface of the temperature controller, guide tubes are provided on both sides of the temperature controller, an air outlet is provided on the top of the guide tube, a plurality of support columns are fixed between the temperature controller and the guide tube, a temperature sensor is installed on the rear surface of the temperature controller, and temperature control fans are provided on both sides of the temperature sensor. The guide tube is U-shaped as a whole, and is used to connect to the inside of the temperature controller, and the end air outlet is not provided at the top, but on the side wall at the end of the guide tube, so that a wind guide can be formed to complete the external discharge of the guided heat.

[0011] The present invention is further improved, the temperature control fan is provided with a convex cylinder, a driving inner support frame is fixed in the convex cylinder, a connecting groove is formed at the rear of the driving inner support frame, and a fan blade is connected to the driving shaft in the driving inner support frame. The driving inner support frame includes an inner support frame and a driving motor, and the driving motor is controlled by the screen display in front of the temperature controller, so as to adjust the speed of the driving motor and realize the wind force generated by the fan blade.

[0012] The present invention is further improved, the convex cylinder is nested in the wind tube cover, the connecting groove and the guide cylinder are mutually connected, the temperature sensor is nested in the nesting ring, the air outlet is directly opposite to the rear fixing seat of the instrument, and the screen display is used for driving the inner support frame and processing the temperature sensor. The temperature sensor mainly detects the temperature, and its detection value is matched with the internal system of the screen display, thereby realizing indirect coordination with the temperature control fans on both sides to achieve the effect of temperature control.

[0013] The present invention is further improved, a base plate is arranged in the rear fixing seat of the device, a plurality of interlocking bolt blocks are installed on the inner wall of the base plate, a heat conducting component is arranged between the interlocking bolt blocks, and alignment blocks are arranged on both sides of the heat conducting component. The alignment block and the interlocking bolt block mainly play the role of closing the rear of the gas distribution instrument body, the alignment block plays the role of precise alignment, and the interlocking bolt block mainly plays the role of connecting and fixing the body shell.

[0014] The present invention is further improved, the heat conduction component is provided with a sleeve frame, a plurality of fixed blocks are installed in the sleeve ring, a heat dissipation swing plate is provided between the fixed blocks, a dust baffle is installed below the heat dissipation swing plate, a plurality of connecting rods are connected between the fixed block and the dust baffle, a plurality of pulley grooves are provided on the inner wall of the heat dissipation swing plate, and auxiliary pulleys are installed in the pulley grooves. The auxiliary pulleys in the pulley grooves are mainly used for connecting the dust baffle, and during the movement of the heat dissipation swing plate, the dust baffle remains unchanged, and the heat dissipation swing plate extends outward, so that the slots above are presented for air discharge.

[0015] The present invention is further improved, the pulley groove is slidably matched with the auxiliary pulley, the auxiliary pulley is connected to the side wall of the dust baffle, the heat dissipation swing plate is nested in the base plate, and is hingedly matched with the fixed block, the air outlet is set between the sleeves, the alignment block is nested with the alignment sleeve, and the corresponding lock block is matched with the card seat connection groove. The sleeve mainly serves to partition the surroundings, so that the air outlets set between them form a correspondence, reducing the diffusion of the externally discharged wind body remaining inside the body shell.

[0016] Beneficial Effects

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention completes the closure of the gas distribution instrument accessories through the closed inner box in the gas distribution instrument body, and at the same time forms temperature control with the temperature control device installed on the box shell. No matter in any use environment, the external temperature does not interfere with the temperature in the closed inner box of the gas distribution instrument, so as to ensure that the closed inner box maintains a constant temperature for the gas distribution instrument accessories to work, thereby ensuring the gas distribution accuracy.

[0019] 2. The present invention optimizes the body shell so that the hinged cover plate of the rear fixing base of the matching instrument can be swung after disassembly to make it vertical. Then the sealing cover is removed to fully display the gas distribution accessories built into the gas distribution instrument body, thereby making subsequent inspection and maintenance more convenient and quick.

[0020] 3. The present invention enables the temperature controller to monitor the temperature in the closed inner box through the setting of the temperature sensor. When the temperature change sensed by the temperature sensor exceeds the preset value, the speed of the temperature control fan is adjusted to exhaust the heat in the closed inner box, thereby exporting it out of the closed inner box to ensure that the gas distribution instrument accessories are not affected by the temperature.

[0021] 4. The present invention fixes the rear base of the instrument to the rear of the gas distribution instrument body, and forms a connection with the assistance of the corresponding lock blocks. Before use, the heat dissipation swing plate needs to be pulled outward to allow it to swing and expand out of the base plate while the groove is opened to communicate with the outside world. After use, it is pushed to reset it, which can not only ensure normal temperature control during use, but also make the gas distribution instrument body in a closed state after use to prevent the entry of foreign matter such as dust from the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a high-precision automatic gas distribution device of the present invention;

[0023] Figure 2 It is a rear view structural schematic diagram of a gas distribution instrument body in a high-precision automatic gas distribution instrument of the present invention;

[0024] Figure 3 This is a schematic diagram of the expanded structure of a temperature control device in a high-precision automatic gas distribution instrument of the present invention;

[0025] Figure 4 This is a schematic diagram of the internal structure of a closed inner box in a high-precision automatic gas distribution device of the present invention;

[0026] Figure 5 It is a side view structural schematic diagram of a box shell in a high-precision automatic gas distribution instrument of the present invention;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of a temperature control device in a high-precision automatic gas distribution instrument of the present invention;

[0028] Figure 7 It is a rear view structural schematic diagram of a temperature controller in a high-precision automatic gas distribution instrument of the present invention;

[0029] Figure 8 It is a schematic diagram of the three-dimensional structure of the rear fixing seat of the instrument in a high-precision automatic gas distribution instrument of the present invention;

[0030] Fig. 9 This is a schematic diagram of the internal structure of a heat-conducting component in a high-precision automatic gas distribution device of the present invention;

[0031] Fig.10 This is a schematic diagram of the internal enlarged structure of point A in a high-precision automatic gas distribution instrument of the present invention.

[0032] In the figure: gas distribution instrument body 1, gas distribution instrument panel 2, instrument rear base 3, lifting rod 4, operation display screen 21, USB socket 22, indicator light 23, RJ232 connector 24, air outlet pipe 25, air inlet pipe 26, electric control switch and power connector 27, body shell 11, hinged cover 12, fixing rod hole 13, card seat connection groove 14, temperature control device 111, closed inner box 112, side slide groove 113, sealing cover 114, alignment sleeve 115, box shell 1121, flow controller 1122, connected pipe 1123, stop valve 1124, conduit 1125, gas mixing tank 1126, suction pump and conduit 1127 , shell 11211, limit column 11212, air duct cover 11213, nested ring 11214, temperature controller 1111, screen 1112, support column 1113, guide cylinder 1114, air outlet 1115, temperature control fan 1116, temperature sensor 1117, convex cylinder 11161, driving inner support frame 11162, connected groove 11163, fan blade 11164, base plate 31, related lock bolt block 32, alignment block 33, heat conduction component 34, heat dissipation swing plate 341, fixed block 342, connecting pull rod 343, dust baffle 344, sleeve frame 345, pulley groove 3411, auxiliary pulley 3412. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but are not used to limit the present invention.

[0034] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through a transition structure, but are connected to form a whole through a connecting structure. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0036] In the present invention, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0037] The present invention is further described below in conjunction with the accompanying drawings:

[0038] Example 1

[0039] As attached Figure 1 To Attachment Figure 5 As shown:

[0040] The present embodiment provides a high-precision automatic gas distribution instrument, including a gas distribution instrument body 1, a gas distribution instrument panel 2 is fixed in front of the gas distribution instrument body 1, an instrument rear fixing seat 3 is fixed at the rear of the gas distribution instrument body 1, and lifting rods 4 are connected to both sides of the gas distribution instrument body 1. A body shell 11 is arranged in the gas distribution instrument body 1, and a hinged cover plate 12 is hingedly connected to the body shell 11. The body shell 11 and the hinged cover plate 12 are both provided with a card seat connection groove 14, and both sides of the body shell 11 are provided with fixing rod holes 13; an operation display screen 21 is installed on the gas distribution instrument panel 2, and a USB socket 22 is arranged on one side of the operation display screen 21. The operation display screen 21 An electric control switch and a power connector 27 are provided on the other side, a plurality of indicator lights 23 are installed below the USB socket 22, an RJ232 connector 24 is provided below one of the indicator lights 23, an air outlet duct 25 is provided below the RJ232 connector 24, and a plurality of air inlet ducts 26 are provided below the operation display screen 21; a temperature control device 111 is installed in the body shell 11, a plurality of side slide grooves 113 are opened on the side wall of the body shell 11, a plurality of alignment sleeves 115 are fixed on the side wall of the body shell 11, a closed inner box 112 is provided behind the temperature control device 111, and a sealing cover 114 is installed on the closed inner box 112. A box shell 1121 is provided in the closed box 112, and a plurality of flow controllers 1122 are installed in the box shell 1121. The same number of stop valves 1124 are provided next to the flow controllers 1122. A connecting pipe 1123 is connected between the stop valve 1124 and the flow controller 1122. A mixing tank 1126 is provided next to the stop valve 1124. A conduit 1125 is independently connected between the mixing tank 1126 and the plurality of stop valves 1124. A suction pump and a conduit 1127 are installed at the other end of the mixing tank 1126. A shell 11211 is provided in the box shell 1121, and a plurality of limit columns 11212 are provided inside and outside the shell 11211. A nested ring 11214 is provided on the side wall of the shell 11211, and air cylinder covers 11213 are provided on both sides of the nested ring 11214.

[0041] Furthermore, there are five flow controllers 1122 and stop valves 1124, but not limited to five. The number can be increased or decreased according to the usage, but the minimum number is two. At the same time, the number of air intake pipes 26 in front of the gas distribution instrument panel 2 is the same.

[0042] Furthermore, the suction pump and the conduit 1127 mainly serve to accelerate the discharge of gas when the gas is output from the mixing tank 1126, so that it can be output quickly and the output efficiency is improved.

[0043] Furthermore, the closed inner box is mainly fixed to the surface of the body shell, and is in a three-sided hollow and three-sided closed state. One of the hollow sides is used to cooperate with the nested seal of the sealing cover, and the other two sides are supplemented by the inner surface of the body shell and the inner wall of the gas distribution instrument panel.

[0044] The specific working principle is as follows:

[0045] The present invention forms a fixing between the front of the gas distribution instrument body 1 and the gas distribution instrument panel 2, and the rear of the gas distribution instrument body 1 and the instrument rear fixing seat 3, and at the same time, the lifting rods 4 are installed on the fixing rod holes 13 on both sides of the body shell 11. When in use, the electric control switch and the power connector 7 are turned on, the gas tank pipeline is connected to the air intake pipeline 26, and the operation is performed on the operation display screen 21. The indicator light 23 will light up accordingly during operation, and when it is necessary to collect its records or upgrade, the peripheral device can be connected to the USB socket 22 or the RJ232 plug 24 to complete data export or system upgrade. The gas distribution accessories in the built-in closed inner box 112 cooperate with the flow controller 11 22 accurately controls the inlet and outlet flow rates, so that the gas enters from the inlet pipe 26 and passes through the connected pipe 1123 and is cut off by the stop valve 1124, and the gas enters the mixing tank 1126 under the action of the conduit 1125 to form a mixture, and is finally output from the outlet pipe 25 with the assistance of the extraction pump and the conduit 1127. When the gas distribution instrument body 1 needs to be repaired, after the rear instrument rear seat 3 is disassembled, the hinged cover plate 12 can be swung open with the assistance of the side slide groove 113. After opening, the sealing cover 114 on the closed inner box 112 can be removed, which can not only make all the gas distribution accessories visible, but also facilitate subsequent maintenance and repair.

[0046] Embodiment 2:

[0047] As attached Figure 6 To Attachment Figure 7 As shown:

[0048] Among them, a temperature controller 1111 is arranged in the temperature control device 111, a screen display 1112 is installed on the surface of the temperature controller 111, guide tubes 1114 are arranged on both sides of the temperature controller 1111, an air outlet 1115 is opened at the top of the guide tube 1114, a plurality of support columns 1113 are fixed between the temperature controller 1111 and the guide tube 1114, a temperature sensor 1117 is installed on the rear surface of the temperature controller 1111, temperature control fans 1116 are arranged on both sides of the temperature sensor 1117, a convex cylinder 11161 is arranged in the temperature control fan 1116, a driving inner support frame 11162 is fixed in the convex cylinder 11161, a connecting groove 11163 is formed at the rear of the driving inner support frame 11162, and a fan blade 11164 is connected to the driving shaft in the driving inner support frame 11162.

[0049] Furthermore, the driving inner support frame 11162 includes an inner support frame and a driving motor, and the driving motor controls the speed through the screen display, thereby driving the fan blades to adjust the size of the wind body, thereby achieving a temperature control effect in the closed inner box.

[0050] Furthermore, the temperature sensor 1117 is mainly installed on the rear wall of the temperature controller 1111, between the temperature control fan 1116, and is nested in the nesting ring to monitor the temperature inside the closed inner box to prevent excessive internal temperature changes or high temperature.

[0051] The specific working principle is as follows:

[0052] The present invention installs the temperature control device 111 on the box shell, so that the temperature inside the box shell can be sensed under the induction action of the temperature sensor 1117, and the temperature sensor 117 will trigger the temperature control fan 1116 through data transmission and feedback of the screen 1112. The driving inner support frame 11162 in the temperature control fan 1116 drives the fan blades 11164 in the convex cylinder 11161 to trigger, thereby completing the extraction and exhaust of the heat generated inside the box shell, and then passing through the rear connected groove 11163 and then being guided into the guide cylinder 1114, and finally discharged from the air outlet 1115 to the outside of the box gas distribution instrument body in the heat conduction component.

[0053] Embodiment 3:

[0054] As attached Figure 8 To Attachment Fig.10 As shown:

[0055] Among them, a base plate 31 is arranged in the rear fixed seat 3 of the device, and a plurality of interlocking bolt blocks 32 are installed on the inner wall of the base plate 31, a heat conduction component 34 is arranged between the interlocking bolt blocks 32, and alignment blocks 33 are arranged on both sides of the heat conduction component 34. A sleeve frame 345 is arranged in the heat conduction component 34, a plurality of fixed blocks 342 are installed in the sleeve ring 345, a heat dissipation swing plate 341 is arranged between the fixed blocks 342, a dust baffle 344 is installed below the heat dissipation swing plate 341, a plurality of connecting rods 343 are connected between the fixed block 341 and the dust baffle 344, a plurality of pulley grooves 3411 are opened on the inner wall of the heat dissipation swing plate 341, and auxiliary pulleys 3412 are installed in the pulley grooves 3411.

[0056] Furthermore, the alignment blocks 33 are fixed to the inner wall of the base plate 31, and at least two of them are provided, which are respectively installed on both sides of the heat conducting component 34, and are used for quickly connecting the base plate 31 with the body shell and the hinged cover plate, while ensuring the accuracy of the alignment.

[0057] Furthermore, the heat dissipation swing plate 341 is hingedly swung by cooperating with the fixing block 342 through the shafts on both sides, so that the heat dissipation swing plate 341 can be extended out of the base plate 31 and the groove on the top of the heat dissipation swing plate 341 can be exposed.

[0058] The specific working principle is as follows:

[0059] The present invention fixes the hinged cover plate 12 and the body shell 11 respectively through the interlocking bolt blocks 32 on the inner wall of the base plate 31, and then completes the precise alignment with the assistance of the built-in alignment block 33. The heat conduction component 34 is triggered during its operation to pull the heat dissipation swing plate 341 to form a hinged swing with the fixing block 342, and the connecting rod 343 keeps the dust baffle 344 in place, and the two sides are extended outward under the action of the auxiliary pulley 3142 and the pulley groove 3411 on the heat dissipation swing block 341. The heat dissipation swing plate 341 is grooved above to discharge the heat generated in the body shell 11, and is closed when not in use to prevent the entry of external dust.

[0060] It should be understood that the embodiments disclosed in the present invention are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features understood by ordinary technicians in the relevant field. It should also be understood that the terms used herein are only used for the purpose of describing specific embodiments and are not meant to be limiting.

[0061] The "embodiment" mentioned in the specification means that the specific features or characteristics described in conjunction with the embodiment are included in at least one embodiment of the present invention. Therefore, the phrases or "embodiment" appearing in various places throughout the specification do not necessarily refer to the same embodiment.

[0062] In addition, the described features or characteristics may be combined in one or more embodiments in any other suitable manner. In the above description, some specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of the embodiments of the present invention. However, those skilled in the relevant art will understand that the present invention can be implemented without one or more of the above specific details or can also be implemented using other methods, components, materials, etc.

Claims

1. A high-precision automatic gas distribution instrument, characterized in that: The gas distribution instrument comprises a gas distribution instrument body (1), a gas distribution instrument panel (2) is fixed at the front of the gas distribution instrument body (1), an instrument rear fixing seat (3) is fixed at the rear of the gas distribution instrument body (1), lifting rods (4) are connected to both sides of the gas distribution instrument body (1), a body shell (11) is arranged inside the gas distribution instrument body (1), a hinged cover plate (12) is hingedly connected to the body shell (11), a seat connecting groove (14) is provided on both sides of the body shell (11), and fixing rod holes (13) are provided on both sides of the body shell (11); An operation display screen (21) is installed on the gas distribution instrument panel (2), a USB socket (22) is arranged on one side of the operation display screen (21), an electric control switch and a power connector (27) are arranged on the other side of the operation display screen (21), a plurality of indicator lights (23) are installed below the USB socket (22), an RJ232 connector (24) is arranged below one of the indicator lights (23), an air outlet pipe (25) is arranged below the RJ232 connector (24), and a plurality of air inlet pipes (26) are arranged below the operation display screen (21); A temperature control device (111) is installed in the body shell (11), a plurality of side slide grooves (113) are provided on the side wall of the body shell (11), a plurality of alignment sleeves (115) are fixed on the side wall of the body shell (11), a closed inner box (112) is arranged behind the temperature control device (111), and a sealing cover (114) is installed on the closed inner box (112).

2. A high-precision automatic gas distribution instrument according to claim 1, characterized in that: The closed box (112) is provided with a box shell (1121), and a plurality of flow controllers (1122) are installed in the box shell (1121). The same number of stop valves (1124) are provided next to the flow controllers (1122), and a connecting pipe (1123) is connected between the stop valves (1124) and the flow controllers (1122). A gas mixing tank (1126) is provided next to the stop valves (1124), and a conduit (1125) is independently connected between the gas mixing tank (1126) and the plurality of stop valves (1124), and a flow pump and a conduit (1127) are installed at the other end of the gas mixing tank (1126).

3. A high-precision automatic gas distribution instrument according to claim 2, characterized in that: A shell (11211) is arranged inside the box shell (1121), a plurality of limiting columns (11212) are arranged inside and outside the shell (11211), a nesting ring (11214) is opened on the side wall of the shell (11211), and air duct covers (11213) are arranged on both sides of the nesting ring (11214).

4. A high-precision automatic gas distribution instrument according to claim 3, characterized in that: The wind tube cover (11213) and the nesting ring (11214) are both used to cooperate with the temperature control device (111). The top of the shell (11211) is nested and closed by the sealing cover (114). The hinged cover plate (12) is hingedly matched with the side sliding groove (113) and slidably adjusted. The rear of the temperature control device (111) cooperates with the instrument rear fixing seat (3). The instrument rear fixing seat (3) is nested with the card seat connection groove (14) and is bolted. The fixing rod hole (13) is connected to the lifting rod (4). The flow controller (1122) is connected to the end of the air inlet pipe (26) through a phase pipe. The suction pump and the top of the conduit (1127) are connected to the air outlet pipe (25).

5. A high-precision automatic gas distribution instrument according to claim 4, characterized in that: The temperature control device (111) is provided with a temperature controller (1111), a screen display (1112) is installed on the surface of the temperature controller (1111), guide tubes (1114) are provided on both sides of the temperature controller (1111), an air outlet (1115) is provided at the top of the guide tube (1114), a plurality of support columns (1113) are fixed between the temperature controller (1111) and the guide tube (1114), a temperature sensor (1117) is installed on the rear surface of the temperature controller (1111), and temperature control fans (1116) are provided on both sides of the temperature sensor (1117).

6. A high-precision automatic gas distribution instrument according to claim 5, characterized in that: A convex cylinder (11161) is arranged inside the temperature control fan (1116), a driving inner support frame (11162) is fixed inside the convex cylinder (11161), a connecting groove (11163) is formed at the rear of the driving inner support frame (11162), and a fan blade (11164) is connected to the driving shaft in the driving inner support frame (11162).

7. A high-precision automatic gas distribution instrument according to claim 6, characterized in that: The convex cylinder (11161) is nested in the wind tube cover (11213), the connecting groove (11163) and the guide cylinder (1114) are interconnected, the temperature sensor (1117) is nested in the nesting ring (11214), the air outlet (1115) is directly opposite to the rear mounting base (3) of the instrument, and the display (1112) is used for driving the driving inner support frame (11162) and processing the temperature sensor (1117).

8. A high-precision automatic gas distribution instrument according to claim 7, characterized in that: A base plate (31) is arranged inside the rear fixing seat (3) of the device, a plurality of interlocking bolt blocks (32) are installed on the inner wall of the base plate (31), a heat conducting component (34) is arranged between the interlocking bolt blocks (32), and alignment blocks (33) are arranged on both sides of the heat conducting component (34).

9. A high-precision automatic gas distribution instrument according to claim 8, characterized in that: A sleeve frame (345) is arranged inside the heat-conducting component (34), a plurality of fixed blocks (342) are installed in the sleeve ring (345), a heat dissipation swing plate (341) is arranged between the fixed blocks (342), a dust baffle (344) is installed below the heat dissipation swing plate (341), a plurality of connecting rods (343) are connected between the fixed block (341) and the dust baffle (344), a plurality of pulley grooves (3411) are opened on the inner wall of the heat dissipation swing plate (341), and auxiliary pulleys (3412) are installed in each of the pulley grooves (3411).

10. A high-precision automatic gas distribution instrument according to claim 9, characterized in that: The pulley groove (3411) is slidably matched with the auxiliary pulley (3412), the auxiliary pulley (3412) is connected to the side wall of the dust baffle (344), the heat dissipation swing plate (341) is nested on the base plate (31), and is hingedly matched with the fixed block (342), the air outlet (1115) is arranged between the sleeve frames (345), the alignment block (33) is nested with the alignment sleeve (13), and the interlocking bolt block (32) is matched with the card seat connection groove (14).

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