Lung function detector

Abstract

The utility model relates to the technical field of medical equipment, and provides a lung function detector which comprises a front shell assembly, an upper shell assembly and a lower shell assembly, the front shell assembly is clamped on the front side of the upper shell assembly, the lower shell assembly covers the bottom of the upper shell assembly, and a closed containing cavity is formed; the front shell assembly comprises a front panel and a display screen, a window is formed in the front panel, and the window is used for installing the display screen; the upper shell assembly comprises an upper shell, an identity verification module and a printing module, the identity verification module comprises an identity recognizer and an identity reader, the identity recognizer is connected with the identity reader, the identity reader is arranged in the containing cavity, and the identity recognizer is arranged on the outer wall face of the upper shell and corresponds to the identity reader; the printing module is arranged in the containing cavity, and the upper shell is further provided with a paper outlet. The device is simple in structure, convenient to operate, easy to carry and wide in application scene.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a pulmonary function detector. Background Art

[0002] A spirometer is a device that can measure lung volume and flow. Its principle is to use a series of sensors and computer algorithms to analyze the speed, volume and pressure changes of the breathing air moving in the lungs. By measuring the speed and volume of exhalation and inhalation, the spirometer can evaluate indicators such as vital capacity, lung compliance, expiratory flow rate and ventilation function, and then evaluate the lung function status and the degree of disease.

[0003] However, existing pulmonary function testers need to be used in conjunction with a computer, are inconvenient to move, and have limited applicable scenarios. Utility Model Content

[0004] The utility model provides a pulmonary function detector, which is used to solve the problems in the prior art that the pulmonary function detector needs to be used in conjunction with a computer, is inconvenient to carry, and has a single applicable scene.

[0005] The utility model provides a pulmonary function detector, comprising: a front shell component, an upper shell component and a lower shell component, wherein the front shell component is clamped on the front side of the upper shell component, and the lower shell component cover is arranged on the bottom of the upper shell component to form a closed accommodating cavity; the front shell component comprises a front panel and a display screen, and a window is arranged on the front panel, and the window is used to install the display screen; the upper shell component comprises an upper shell, an identity authentication module and a printing module, and the identity authentication module comprises an identity identifier and an identity reader, the identity identifier is connected to the identity reader, and the identity reader is arranged in the accommodating cavity, and the identity identifier is arranged on the outer wall surface of the upper shell and corresponds to the identity reader; the printing module is arranged in the accommodating cavity, and the upper shell is also provided with a paper outlet.

[0006] According to a pulmonary function detector provided by the utility model, the printing module includes a printer and a cover, the printer is located in the accommodating cavity and connected to the inner wall surface of the upper shell, the upper shell is provided with an opening, and the cover is connected to the upper shell by a hinge shaft to open or close the opening.

[0007] According to a pulmonary function detector provided by the utility model, the upper shell assembly also includes a speaker assembly, and the speaker assembly is located in the accommodating cavity. The speaker assembly includes a fixing frame, a shockproof component and a speaker. The speaker is mounted on the inner wall of the upper shell through the fixing frame, and the shockproof component is arranged on the speaker and the fixing frame bracket.

[0008] According to a pulmonary function detector provided by the utility model, the front shell assembly also includes a first fixing plate, a dustproof part, a support part and a decorative frame, the front panel and the decorative frame are connected, the dustproof part and the first fixing plate are arranged between the front shell and the decorative frame, wherein the display screen is located between the first fixing plate and the dustproof part, and the dustproof part is arranged close to the front panel; the support part is arranged on a side of the first fixing plate close to the display screen, for supporting the display screen.

[0009] According to a pulmonary function detector provided by the utility model, the front shell assembly also includes a key circuit board, a key and an identification piece. The key circuit board is arranged on the inner side of the front panel, and a through hole is provided on the front panel. The key is embedded in the through hole and connected to the key circuit board; a groove is also provided on the outer side of the front panel, and the identification piece is attached to the groove.

[0010] According to a pulmonary function detector provided by the utility model, the lower shell assembly includes a lower shell, a power module and a cover plate, a power slot is provided on the outer side of the bottom surface of the lower shell, the power module is arranged in the power slot, and the cover plate is arranged on the power slot.

[0011] According to a pulmonary function detector provided by the utility model, the upper shell assembly also includes a control module and a spacer column, the control module is arranged in the accommodating cavity, and the control module is connected to the top surface of the upper shell through the spacer column; the display screen, the key circuit board, the power module, the speaker assembly, the printing module and the identity authentication module are respectively electrically connected to the control module.

[0012] According to a pulmonary function detector provided by the utility model, the control module includes a second fixed plate, an electromagnetic shielding cover, a main control circuit board, a power supply circuit board, a first conductive member and a second conductive member, the two sides of the second fixed plate are respectively connected to the inner wall of the upper shell and the electromagnetic shielding cover, the main control circuit board and the power supply circuit board are both arranged in the electromagnetic shielding cover, and are respectively connected to the second fixed plate; the first conductive member is arranged on the main control circuit board or the power supply circuit board close to the bottom surface of the electromagnetic shielding cover; the second conductive member is arranged on the side wall surface of the second fixed plate, and is used to abut against the display screen.

[0013] According to a pulmonary function detector provided by the utility model, the upper shell assembly also includes a detection bracket and a wiring harness bracket, the detection bracket and the wiring harness bracket are both arranged on the outer side wall of the upper shell, the detection bracket is used to hang the detection module, and the wiring harness bracket is used to hang the cable.

[0014] According to a pulmonary function detector provided by the utility model, the upper shell component also includes a handle, and the handle is arranged on the outer wall surface of the upper shell; the lower shell component also includes a plurality of base feet, and the plurality of base feet are arranged on the bottom surface of the lower shell.

[0015] The pulmonary function tester provided by the utility model can identify and read the patient's identity information by setting an identity verification module; can display the patient's identity information and test data by setting a display screen; and can print the patient's test data by setting a printing module and setting a paper outlet on the upper shell, so that the operator can conveniently print the patient's test data and facilitate later diagnosis. The utility model has a simple structure, is easy to operate, and is easy to carry, and is applicable to a wide range of scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is the front view of the pulmonary function tester provided by the utility model;

[0018] Figure 2 It is an exploded view of the lung function detector provided by the utility model;

[0019] Figure 3 It is an exploded view of the front housing assembly provided by the utility model;

[0020] Figure 4 It is an exploded view of the handle provided by the utility model;

[0021] Figure 5 It is an exploded view of the upper housing assembly provided by the utility model;

[0022] Figure 6 It is an exploded diagram of the control module provided by the utility model;

[0023] Figure 7 It is an exploded view of the lower housing assembly provided by the utility model;

[0024] Figure 8 It is a rear view of the pulmonary function tester provided by the utility model;

[0025] Fig. 9 It is a top view of the pulmonary function tester provided by the utility model;

[0026] Fig.10 It is a bottom view of the pulmonary function tester provided by the utility model;

[0027] Fig.11 It is a right side view of the pulmonary function tester provided by the utility model;

[0028] Fig.12 It is a left view of the pulmonary function tester provided by the utility model;

[0029] Reference numerals:

[0030] 100, front housing assembly; 110, front panel; 111, groove; 112, window; 113, through hole; 120, display screen; 130, first fixing plate; 140, dustproof member; 150, support member; 160, decorative frame; 170, key circuit board; 180, key; 190, identification member;

[0031] 200, upper housing assembly; 210, detection bracket; 220, harness bracket; 230, handle;

[0032] 241, printer; 242, machine cover;

[0033] 250, identity authentication module; 251, identity identifier; 252, identity reader;

[0034] 260, speaker assembly; 261, fixing bracket; 262, shockproof member; 263, speaker;

[0035] 270, control module; 271, second fixing plate; 272, electromagnetic shielding cover; 2721, shielding cover; 2722, lower shielding cover; 273, main control circuit board; 274, first conductive member; 275, second conductive member; 276, power supply circuit board;

[0036] 280, upper shell; 290, spacer column;

[0037] 300, lower shell assembly; 310, lower shell; 311, power slot; 312, wire hole; 320, base; 330, ground pole; 340, power module; 350, cover plate. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0040] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of 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 cannot be understood as a limitation on the embodiments of the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0043] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the applicability of other processes and / or the use of other materials.

[0044] At present, pulmonary function testers are all used in conjunction with computers, and are unable to print, authenticate identity, or display test parameters. Based on this, the utility model proposes a pulmonary function tester that achieves printing, identity authentication, and display.

[0045] Combine the following Figures 1 to 12 The utility model describes a lung function detector provided by the utility model.

[0046] The pulmonary function detector provided by the utility model comprises: a front housing component 100, an upper housing component 200 and a lower housing component 300. The front housing component 100 is clamped on the front side of the upper housing component 200, and the lower housing component 300 is covered on the bottom of the upper housing component 200 to form a closed accommodating cavity. Figure 2 The front side of the upper housing assembly 200 is provided with a first opening for installing the front housing assembly 100; the bottom of the upper housing assembly 200 is provided with a second opening for installing the lower housing 310; when the front housing assembly 100 and the lower housing 310 are connected to the upper housing 280 respectively, they can be fixed by screws, and the buckle assists the connection. When the screws are fixed, they can be operated up and down to facilitate the installation of workers.

[0047] The front housing assembly 100 includes a front panel 110 and a display screen 120. The front panel 110 is provided with a window 112, and the window 112 is used to install the display screen 120. The display screen 120 in the present invention includes a touch display screen 120, and the pulmonary function tester can be controlled by the touch display screen 120 and display relevant test parameters.

[0048] The upper shell assembly 200 includes an upper shell 280, an identity authentication module 250 and a printing module. The identity authentication module 250 includes an identity identifier 251 and an identity reader 252. The identity identifier 251 is connected to the identity reader 252. The identity reader 252 is arranged in the accommodating cavity and can be fixed to the inner wall of the upper shell 280 by screws. The identity identifier 251 is arranged on the outer wall surface of the upper shell 280 and corresponds to the identity reader 252. The identity identifier 251 can be adhered to the outer wall surface of the upper shell 280 by adhesive, and is used to identify identity documents and transmit corresponding data to the identity reader 252 to read identity information.

[0049] The printing module is arranged in the accommodating cavity, and the upper shell 280 is also provided with a paper outlet. The display screen 120 can display the patient's test data, and print the test data through the printing module, leaving the test data for the patient's next medical treatment.

[0050] The pulmonary function tester provided by the utility model can identify and read the patient's identity information by setting the identity verification module 250; can display the patient's identity information and test data by setting the display screen 120; and can print the patient's test data and facilitate later diagnosis by setting the printing module and setting the paper outlet on the upper shell 280. The utility model has a simple structure, is easy to operate, and is easy to carry, and is applicable to a wide range of scenarios.

[0051] The printing module includes a printer 241 and a cover 242. The printer 241 is located in the accommodating cavity and connected to the inner wall of the upper shell 280. An opening is provided on the upper shell 280. The cover 242 is connected to the upper shell 280 through a hinge shaft to open or close the opening for easy later maintenance.

[0052] The upper shell assembly 200 also includes a speaker assembly 260, which is located in the accommodating cavity. The speaker assembly 260 includes a fixing frame 261, a shockproof member 262 and a speaker 263. The speaker 263 is arranged on the inner wall of the upper shell 280 through the fixing frame 261, and the shockproof member 262 is arranged on the speaker 263 and the fixing frame 261 bracket.

[0053] refer to Figure 5 The fixing frame 261 is connected to the inner wall of the upper shell 280 by screws, and the fixing frame 261 has a limiting groove, and the speaker 263 is embedded in the limiting groove, and a shockproof member 262, such as foam, is arranged between the speaker 263 and the fixing frame 261 to prevent the speaker 263 from vibrating. The speaker 263 is used to broadcast the patient's identity information and test data, which is convenient for the patient to confirm his identity and to understand the test data in time.

[0054] The front shell assembly 100 also includes a first fixing plate 130, a dustproof member 140, a support member 150 and a decorative frame 160. The front panel 110 and the decorative frame 160 are connected. The dustproof member 140 and the first fixing plate 130 are arranged between the front shell and the decorative frame 160, wherein the display screen 120 is located between the first fixing plate 130 and the dustproof member 140, and the dustproof member 140 is arranged close to the front panel 110; the support member 150 is arranged on the side of the first fixing plate 130 close to the display screen 120, and is used to support the display screen 120.

[0055] refer to Figure 3The front panel 110 and the decorative frame 160 are fixedly connected by screws. The decorative frame 160 is covered on the outer periphery of the front panel 110. The decorative frame 160 can be a metal part. A dustproof member 140, a display screen 120 and a first fixing plate 130 are arranged in sequence between the front panel 110 and the decorative frame 160. The first fixing plate 130 is used to fix the display screen 120, and a support member 150 is arranged on the side of the first fixing plate 130 close to the display screen 120 to support the display screen 120. The support member 150 can be arranged at intervals along the outer periphery of the first fixing member. The dustproof member 140 is arranged on the side of the display screen 120 close to the front panel 110 to protect the display screen 120 and prevent pollution from affecting the display effect.

[0056] The dustproof member 140 may be a dustproof foam. A side of the dustproof foam close to the front panel 110 is provided with adhesive, and the dustproof foam is adhered to the front panel 110 .

[0057] refer to Figure 1 and Figure 3 The front shell assembly 100 of the utility model also includes a key assembly, which includes a key circuit board 170 and a key 180. The key circuit board 170 is arranged on the inner side of the front panel 110. The key circuit board 170 can be fixed to the inner side of the front panel 110 by screws. The front panel 110 is provided with a through hole 113. The key 180 is embedded in the through hole 113 and connected to the key circuit board 170. The operator can control it through the key 180.

[0058] The front housing assembly 100 further includes an identification member 190. A groove 111 is further provided on the outer side of the front panel 110. The identification member 190 is pasted in the groove 111. Specifically, a groove 111 matching the identification member 190 is provided on the front panel 110. The identification member 190 is provided with adhesive backing. The identification member 190 is pasted in the groove 111. The utility model sets the identification member 190 by pasting, which is convenient for replacement. The identification member 190 can be a metal identification member 190.

[0059] refer to Figure 7 The lower shell assembly 300 includes a lower shell 310, a power module 340 and a cover plate 350. A power slot 311 is provided on the outer side of the bottom surface of the lower shell 310. The power module 340 is arranged in the power slot 311. The cover plate 350 is covered on the power slot 311, so that the operator can open the cover plate 350 to install or remove the power module 340 conveniently.

[0060] The power module 340 includes a lithium battery, and the outer wall of the upper housing 280 is provided with an external 220V power interface, such as Figure 8 As shown, it can be plug-in powered and battery powered.

[0061] Furthermore, a wire hole 312 is provided in the power slot 311 , and the wire hole 312 is communicated with the accommodating cavity, which helps the cable to be electrically connected to the power supply component in the accommodating cavity through the wire hole 312 .

[0062] The lower shell assembly 300 further includes a grounding post 330 . The inner wall surface of the lower shell 310 is provided with a threaded fixing hole. The grounding post 330 has threads. The grounding post 330 is fixed to the inner wall surface of the lower shell 310 through the threaded fixing hole of the through hole 113 .

[0063] On the basis of the above embodiment, the upper shell assembly 200 further includes a control module 270 and a spacer column 290. The control module 270 is disposed in the accommodating cavity, and the control module 270 is connected to the top surface of the upper shell 280 through the spacer column 290. Figure 5 As shown; the display screen 120, the key circuit board 170, the power module 340, the speaker assembly 260, the printing module and the identity authentication module 250 are electrically connected to the control module 270 respectively.

[0064] refer to Figure 6 The control module 270 includes a fixed plate, an electromagnetic shielding cover 272, a main control circuit board 273 and a power supply circuit board 276. The two sides of the second fixed plate 271 are respectively connected to the inner wall of the upper shell 280 and the electromagnetic shielding cover 272. The main control circuit board 273 and the power supply circuit board 276 are both arranged in the electromagnetic shielding cover 272 and are respectively connected to the second fixed plate 271.

[0065] refer to Figure 6 The second fixing plate 271 is fixedly connected to the top surface of the upper shell 280 through the spacer column 290, and there is a gap between the second fixing plate 271 and the top surface of the upper shell 280. The electromagnetic shielding cover 272 is connected to the second fixing plate 271 through screws. The electromagnetic shielding cover 272 includes an upper shielding cover 2721 and a lower shielding cover 2722. The upper shielding cover 2721 and the lower shielding cover 2722 are matched and connected to form a shell structure with an accommodation space. The main control circuit board 273 and the power supply circuit board 276 are arranged in the accommodation space. The electromagnetic shielding cover 272 is used to prevent electromagnetic interference.

[0066] Furthermore, the power circuit board 276 is connected to the upper shielding cover 2721 and the second fixing plate 271 by screws, and the main control circuit board 273 is connected to the upper shielding cover 2721 and the second fixing plate 271 by screws. It can be understood that the upper shielding cover 2721 and the second fixing plate 271 are provided with corresponding rivets, which can be rivet studs or rivet bolts.

[0067] The control module 270 further includes a first conductive member 274 and a second conductive member 275. The first conductive member 274 is disposed on the main control circuit board 273 or the power circuit board 276 near the bottom surface of the electromagnetic shielding cover 272. When the main control circuit board 273 is disposed below the power circuit board 276, that is, when the main control circuit board 273 is close to the lower shielding cover 2722, the first conductive member 274 has its own adhesive backing, is pasted on the main control circuit board 273, and is crimped with the lower shielding cover 2722. When the power circuit board 276 is disposed below the main control circuit board 273, that is, when the power circuit board 276 is close to the lower shielding cover 2722, the first conductive member 274 has its own adhesive backing, is pasted on the power circuit board 276, and is crimped with the lower shielding cover 2722.

[0068] The second conductive member 275 is disposed on a side wall surface of the second fixing plate 271 for contacting the display screen 120 .

[0069] The first conductive member 274 and the second conductive member 275 in the present invention can both be conductive foam.

[0070] refer to Figure 5 , Fig.11 and Fig.12 The upper shell assembly 200 provided by the utility model also includes a detection bracket 210 and a harness bracket 220. The detection bracket 210 and the harness bracket 220 are both arranged on the outer wall of the upper shell 280. The detection bracket 210 is used to hang the detection module, and the harness bracket 220 is used to hang the cables to prevent the harness from being entangled.

[0071] The detection bracket 210 and the wiring harness are connected to the outer wall surface of the upper shell 280 by screws, and an anti-reverse installation structure is provided on the detection bracket 210 to prevent the detection module from being hung incorrectly.

[0072] When performing human lung function analysis, press the switch on the button assembly to turn on the pulmonary function tester. Enter the patient information interface by touching the display screen 120, enter the patient's identity information or identify and read the patient's identity information through the identity verification module 250. Inform the patient to hold the detection probe and blow air into the detection probe of the detection module with a disposable mouthpiece. The detection probe transmits the electrical signal to the pulmonary function tester for a series of data analysis. The operator can select the corresponding test option to provide the patient with test data. In addition, the patient's test data can be printed to keep the test data for the patient's next medical treatment.

[0073] The upper housing assembly 200 further includes a handle 230, which is disposed on the outer wall of the upper housing 280. The specific position of the handle 230 is not specifically limited and can be disposed according to the use requirements, such as being disposed on the upper part of the upper housing 280 for the convenience of the user. The handle 230 is also provided with an anti-slip structure.

[0074] refer to Figure 4 , Figure 8 and Fig. 9 The handle 230 includes an upper handle shell and a lower handle shell, and the upper handle shell is fixedly connected to the lower handle shell by screws and buckles.

[0075] refer to Fig.10 The lower shell assembly 300 provided by the utility model also includes a plurality of base feet 320, which are arranged on the bottom surface of the lower shell 310 to support the pulmonary function detector and can be isolated from the placement surface to help dissipate heat.

[0076] In one embodiment, there are four feet 320 , and the four feet 320 are evenly distributed on the bottom of the lower housing 310 .

[0077] The foot 320 in the present invention includes a silica gel foot 320 to prevent sliding.

[0078] The pulmonary function detector in the present invention can be a pressure difference pulmonary function detector, which is an independent machine with a display screen 120, a printing device and an identity authentication module 250, which is convenient to carry and suitable for various scenarios.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A pulmonary function tester, characterized in that: include: A front housing component, an upper housing component and a lower housing component, wherein the front housing component is clamped on the front side of the upper housing component, and the lower housing component is covered on the bottom of the upper housing component to form a closed accommodating cavity; The front housing assembly includes a front panel and a display screen, the front panel is provided with a window, and the window is used to install the display screen; The upper housing assembly includes an upper housing, an identity verification module and a printing module, the identity verification module includes an identity identifier and an identity reader, the identity identifier is connected to the identity reader, the identity reader is arranged in the accommodating cavity, and the identity identifier is arranged on the outer wall surface of the upper housing and corresponds to the identity reader; The printing module is arranged in the accommodating cavity, and the upper shell is also provided with a paper outlet.

2. The pulmonary function tester according to claim 1, characterized in that: The printing module includes a printer and a cover. The printer is located in the accommodating cavity and connected to the inner wall surface of the upper shell. An opening is provided on the upper shell. The cover is connected to the upper shell through a hinge shaft to open or close the opening.

3. The pulmonary function tester according to claim 2, characterized in that: The upper shell component also includes a speaker component, which is located in the accommodating cavity. The speaker component includes a fixing frame, a shockproof component and a speaker. The speaker is mounted on the inner wall of the upper shell through the fixing frame, and the shockproof component is arranged on the speaker and the fixing frame bracket.

4. The pulmonary function tester according to claim 3, characterized in that: The front housing assembly further comprises a first fixing plate, a dustproof member, a supporting member and a decorative frame, the front panel and the decorative frame are connected, the dustproof member and the first fixing plate are arranged between the front housing and the decorative frame, wherein the display screen is located between the first fixing plate and the dustproof member, and the dustproof member is arranged close to the front panel; The support member is arranged on a side of the first fixing plate close to the display screen, and is used for supporting the display screen.

5. The pulmonary function tester according to claim 4, characterized in that: The front housing assembly further comprises a key circuit board, a key and an identification member, wherein the key circuit board is arranged on the inner side of the front panel, a through hole is arranged on the front panel, and the key is embedded in the through hole and connected to the key circuit board; The outer side of the front panel is also provided with a groove, and the identification piece is attached to the groove.

6. The pulmonary function tester according to claim 5, characterized in that: The lower shell assembly includes a lower shell, a power module and a cover plate. A power slot is provided on the outer side of the bottom surface of the lower shell. The power module is arranged in the power slot. The cover plate is arranged on the power slot.

7. The pulmonary function tester according to claim 6, characterized in that: The upper shell assembly also includes a control module and a spacer column. The control module is arranged in the accommodating cavity, and the control module is connected to the top surface of the upper shell through the spacer column; the display screen, the key circuit board, the power module, the speaker assembly, the printing module and the identity authentication module are electrically connected to the control module respectively.

8. The pulmonary function tester according to claim 7, characterized in that: The control module includes a second fixing plate, an electromagnetic shielding cover, a main control circuit board, a power supply circuit board, a first conductive member and a second conductive member, the two sides of the second fixing plate are respectively connected to the inner wall of the upper shell and the electromagnetic shielding cover, the main control circuit board and the power supply circuit board are both arranged in the electromagnetic shielding cover and are respectively connected to the second fixing plate; The first conductive member is arranged on the main control circuit board or the power circuit board close to the bottom surface of the electromagnetic shielding cover; the second conductive member is arranged on the side wall surface of the second fixing plate, and is used for abutting against the display screen.

9. The pulmonary function tester according to claim 8, characterized in that: The upper shell assembly also includes a detection bracket and a harness bracket, both of which are arranged on the outer side wall of the upper shell, the detection bracket is used to hang the detection module, and the harness bracket is used to hang the cable.

10. The pulmonary function tester according to claim 1, characterized in that: The upper shell component also includes a handle, which is arranged on the outer wall surface of the upper shell; the lower shell component also includes a plurality of base feet, which are arranged on the bottom surface of the lower shell.

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