High-precision amino acid ratio tester
By introducing external cooling air into the amino acid analyzer and circulating it for heat dissipation, the heat dissipation problem in the high-temperature reaction stage is solved, improving the stability and lifespan of the instrument and reducing airflow noise.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-27
AI Technical Summary
Existing amino acid analyzers suffer from poor heat dissipation during the high-temperature derivatization reaction stage, affecting instrument stability and lifespan.
External cooling air is introduced by an air pump and injected into the bottom of the placement chamber through the lower channel. Hot air is recovered and discharged through the upper channel, realizing airflow circulation for heat dissipation.
Effective heat dissipation improves the stability and lifespan of the instrument, while reducing airflow noise.
Smart Images

Figure CN224054636U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to determination instrument technical field, in particular to a kind of high-precision amino acid ratio determination instrument. BACKGROUND
[0002] Amino acid ratio determination instrument is a kind of professional instrument for analyzing the composition and relative proportion of amino acid in sample, widely used in food detection, pharmaceutical research and development, agricultural scientific research, biological engineering and other fields, and its principle is mainly based on chromatographic separation or electrophoresis technology, combined with specific detection method, such as ultraviolet absorption, fluorescence labeling, electrochemical detection, to realize the qualitative and quantitative analysis of amino acid.
[0003] Such as the Chinese invention patent document with application No. CN202410513605.4, a kind of analysis and determination method of amino acid in polyamino zinc urea and application, wherein the analysis and determination method includes the following steps: with the mass of polyamino zinc raw material as 100%, the content of amino acid in zinc amino raw material is ω1, polyamino zinc raw material is used to prepare polyamino zinc urea;With the mass of polyamino zinc raw material as 100%, the content of organic matter in polyamino zinc raw material is ω2;And, set the ratio of organic matter content in polyamino zinc raw material and organic matter content in polyamino zinc urea unchanged, determine and calculate the content of amino acid in polyamino zinc urea.
[0004] The means in the above-mentioned invention has strong operability, and can quickly and accurately detect the content of amino acid in polyamino zinc urea.
[0005] However, as a high-precision testing instrument, stability during use is more important, and amino acid analyzer will generate certain heat during operation, especially in the high-temperature derivatization reaction stage, such as indantrione color reaction temperature can reach 115~120℃, in order to ensure the stability of the instrument and prolong the service life, it is necessary to ensure good heat dissipation. UTILITY MODEL CONTENT
[0006] In order to overcome the technical defects existing in the prior art, the utility model provides a kind of high-precision amino acid ratio determination instrument, can utilize air pump to introduce the cooling air outside into main body box, and cooling air is injected into the bottom of placement cavity by lower passage, then relatively hot air is recycled by upper passage, and still upwardly discharged when discharging, reasonably circulate the airflow in placement cavity, so as to realize good heat dissipation.
[0007] The utility model discloses a technical solution which is: including main body box, be equipped with the placement cavity in the main body box, the fixed display screen on the lateral wall of main body box, the rotation of one side of main body box is installed with the protective door body, one side of protective door body is equipped with the lateral hole, the fixed contact plate on the inner wall of lateral hole, the lateral wall of protective door body is equipped with the assembly gap, the lateral hole is equipped with the outer casing plate, the bottom fixed plate of outer casing plate, the bottom plate is equipped with the air inlet strip hole, the circulation component is equipped in the main body box, one side of main body box is connected through the power cord and external power supply.
[0008] Preferably, in order to facilitate personnel to observe the internal situation of the main body box, the protective door body is provided with an observation port, and a transparent plate is fixed in the observation port.
[0009] Preferably, in order to facilitate personnel to open the protective door body, a concave portion is formed in the top of the protective door body, a hand-pulling groove is formed in the bottom of the concave portion, and a clamping lock is installed on the protective door body to lock the position between the protective door body and the main body box.
[0010] Preferably, the bottom edge of the main body box is fixed with a bottom supporting plate, and the bottom supporting plate is located below the protective door body.
[0011] Preferably, in order to facilitate the guidance of airflow, the circulation component comprises an upper channel and a lower channel formed in the lateral wall of the main body box, through holes are formed in the inner walls of the upper channel and the lower channel, one end of each through hole communicates with the placement cavity, an air pump is arranged in the lower channel, the driving part of the air pump is located outside the main body box, and the airflow in the lower channel can enter the placement cavity through the through holes.
[0012] Preferably, in order to facilitate the continuous flow of airflow, a connecting pipe is fixed outside the main body box corresponding to the upper channel and the lower channel, an external connecting hole is formed in the contact plate corresponding to the connecting pipe, the connecting pipe is filled between the contact plate and the main body box, and the gap is avoided to affect the airflow.
[0013] Preferably, in order to facilitate the separation of hot air and cooling gas, a separation plate is fixed to one side of the outer casing plate close to the main body box, the height of the separation plate is located between the upper channel and the lower channel, an exhaust strip hole is formed in the outer wall of the outer casing plate, and a guide shell is arranged outside the exhaust strip hole.
[0014] Preferably, in order to facilitate the installation and fixation of the outer casing, an assembly plate is fixed to one side of the outer casing plate, the assembly plate is embedded in the assembly gap, and the assembly plate is connected with the protective door body through connecting bolts.
[0015] The utility model discloses a beneficial effect is: this measuring instrument can utilize air pump to introduce the cooling air of outside into main body box, and through lower passage, the cooling air is injected into the bottom of holding chamber, then the hot air is recovered by upper passage, and the airflow flows in holding chamber and carries away the overheated air, then through upper passage, enter between contact board and external casing board, and when discharging, still discharge upward, and the airflow disperses in the upper portion of external casing board, can reduce airflow noise while facilitating exhaust. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0017] Figure 2 It is the protective door body structure schematic diagram of the utility model.
[0018] Figure 3 It is the external casing board structure schematic diagram of the utility model.
[0019] Figure 4 It is the holding chamber structure schematic diagram of the utility model.
[0020] Figure 5 It is the protective door body opening structure schematic diagram of the utility model.
[0021] Mark explanation: in drawing: 1, main body box;101, display screen;102, bottom support plate;2, holding chamber;3, protective door body;301, side through -opening;302, contact board;303, assembly gap;304, transparent plate;305, lower concave portion;4, external casing board;401, bottom plate;402, air inlet strip hole;403, partition plate;404, air outlet strip hole;405, guide shell;406, assembly plate;5, circulating assembly;501, upper passage;502, lower passage;503, through -hole;504, air pump;505, connecting pipe. DETAILED DESCRIPTION
[0022] The utility model will be further described in connection with the drawings:
[0023] Such as Figures 1-5As shown, the embodiment provides a high-precision amino acid ratio determination instrument, which comprises a main box 1, a placing cavity 2 is arranged in the main box 1, a display screen 101 is fixed on the side wall of the main box 1, a protective door body 3 is rotatably arranged on one side of the main box 1, a side opening 301 is arranged on one side of the protective door body 3, a contact plate 302 is fixed on the inner wall of the side opening 301, an assembly gap 303 is arranged on the side wall of the protective door body 3, an external shell plate 4 is arranged on the side opening 301, a bottom plate 401 is fixed on the bottom of the external shell plate 4, an air inlet strip hole 402 is arranged on the bottom plate 401, a circulating assembly 5 is arranged in the main box 1, the main box 1 is connected with an external power supply through a power line, an observation hole is arranged on the protective door body 3, and a transparent plate 304 is fixed in the observation hole. In this way, the internal condition of the main box 1 can be conveniently observed by personnel, a lower recess 305 is arranged on the top of the protective door body 3, a hand-pulling recess is arranged on the bottom of the lower recess 305, a clamping lock is arranged on the protective door body 3 in use, which is used for locking the position between the protective door body 3 and the main box 1. In this way, the protective door body 3 can be conveniently opened by personnel, and a bottom supporting plate 102 is fixed on the bottom edge of the main box 1 and located below the protective door body 3.
[0024] The circulating assembly 5 comprises an upper channel 501 and a lower channel 502 arranged on the side wall of the main box 1, through holes 503 are arranged on the inner walls of the upper channel 501 and the lower channel 502, one end of each through hole 503 communicates with the placing cavity 2, an air pump 504 is arranged in the lower channel 502, and the driving part of the air pump 504 is located outside the main box 1. The air flow in the lower channel 502 can enter the placing cavity 2 through the through holes 503. In this way, the air flow can be conveniently guided.
[0025] A connecting pipe 505 is fixed outside the upper channel 501 and the lower channel 502 on the side wall of the main box 1, an external connecting hole is arranged on the contact plate 302 corresponding to the connecting pipe 505, the connecting pipe 505 is filled between the contact plate 302 and the main box 1, so as to avoid that the gap affects the air flow, and in this way, the continuous flow of the air flow can be facilitated.
[0026] A partition plate 403 is fixed on the side of the external shell plate 4 close to the main box 1, the height of the partition plate 403 is located between the upper channel 501 and the lower channel 502, an air exhaust strip hole 404 is arranged on the outer wall of the external shell plate 4, and a guide shell 405 is arranged outside the air exhaust strip hole 404. In this way, the hot air and the cooling gas can be conveniently separated.
[0027] One side of the peripheral shell plate 4 is fixed with an assembling plate 406, which is embedded in the assembling gap 303 and connected with the protective door body 3 through connecting bolts, so as to facilitate the installation and fixation of the peripheral shell. In use, in order to increase the stability of the peripheral shell, additional connecting plates and connecting bolts can be arranged on the side of the peripheral shell close to the contact plate 302, or a buckling component is arranged to buckle the peripheral shell on the contact plate 302, and then the peripheral shell is fixed through the connecting bolts.
[0028] In use, a filtering component can be arranged above the lower channel 502 or the bottom plate 401 to prevent impurities from entering the placement cavity 2. The measuring instrument can use the air pump 504 to introduce external cooling air into the main body box 1, and then inject the cooling air into the bottom of the placement cavity 2 through the lower channel 502. Then, the relatively hot air is recovered by the upper channel 501. The airflow flows in the placement cavity 2 to carry away the hot air, and then enters between the contact plate 302 and the peripheral shell plate 4 through the upper channel 501. When the air is discharged, it is still discharged upward. The airflow is dispersed on the upper part of the peripheral shell plate 4, which can facilitate air exhaust while reducing airflow noise.
[0029] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application. These changes and improvements fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A high-precision amino acid ratio analyzer, comprising a main body box (1), wherein a placement cavity (2) is provided inside the main body box (1), a display screen (101) is fixed on the side wall of the main body box (1), and a protective door (3) is rotatably installed on one side of the main body box (1), characterized in that: One side of the protective door body (3) is provided with a side opening (301), and the inner wall of the side opening (301) is fixed with a contact plate (302). A mounting gap (303) is arranged on the side wall of the protective door body (3). An external shell plate (4) is arranged on the side opening (301), and the bottom of the external shell plate (4) is fixed with a bottom plate (401). An air inlet strip hole (402) is arranged on the bottom plate (401). A circulating assembly (5) is arranged in the main box (1), and one side of the main box (1) is connected with an external power supply through a power line.
2. The high precision amino acid ratio meter according to claim 1, characterized by: An observation port is arranged on the protective door body (3), and a transparent plate (304) is fixed in the observation port.
3. The high precision amino acid ratio meter according to claim 1, characterized by: A lower recess (305) is arranged on the top of the protective door body (3), and a hand-pulling groove is arranged on the bottom of the lower recess (305).
4. The high precision amino acid ratio meter according to claim 1, characterized by: The bottom edge of the main box (1) is fixed with a bottom supporting plate (102), and the bottom supporting plate (102) is located below the protective door body (3).
5. The high precision amino acid ratio meter according to claim 1, characterized by: The circulating assembly (5) comprises an upper channel (501) and a lower channel (502) arranged on the side wall of the main box (1). Through holes (503) are arranged on the inner walls of the upper channel (501) and the lower channel (502). One end of the through hole (503) communicates with the placing cavity (2). An air pump (504) is arranged in the lower channel (502).
6. The high precision amino acid ratio meter according to claim 5, characterized in that: A connecting pipe (505) is fixed outside the side wall of the main box (1) corresponding to the upper channel (501) and the lower channel (502). An external connecting hole is arranged on the contact plate (302) corresponding to the connecting pipe (505).
7. The high precision amino acid ratio meter according to claim 6, characterized in that: A partition plate (403) is fixed on one side of the external shell plate (4) close to the main box (1). The height of the partition plate (403) is located between the upper channel (501) and the lower channel (502). An air exhaust strip hole (404) is arranged on the outer wall of the external shell plate (4), and a guide shell (405) is arranged outside the air exhaust strip hole (404).
8. The high precision amino acid ratio meter according to claim 7, characterized in that: An assembly plate (406) is fixed on one side of the external shell plate (4). The assembly plate (406) is embedded in the mounting gap (303) and connected with the protective door body (3) through connecting bolts.
Citation Information
Patent Citations
Method for analyzing and determining amino acid in polyurethane zinc urea and application
CN118483172A