A mobile DNA laboratory for forensic science
By designing a mobile DNA laboratory, the problem that traditional laboratories cannot conduct on-site inspection and rapid comparison at the case site is solved, and the on-site extraction and detection of forensic DNA is realized, real-time monitoring and video conferencing functions are provided, ensuring the accuracy and safety of the experiment.
Patent Information
- Application Number
- CN202011216333.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-11-04
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2040-11-04
AI Technical Summary
Traditional forensic DNA labs are unable to conduct on-site inspections and fast comparisons at the case site, and lack mobility and real-time detection capabilities.
A forensic mobile DNA laboratory was designed, including the front of the vehicle, loading platform, main cabin, extraction room, sequencing room and equipment area. It uses intelligent control equipment, air-cleaning air conditioning and ventilation system to achieve independent control and environmental improvement of each room.
It realizes on-site extraction and detection of forensic DNA, provides visual monitoring and video conferencing functions of the forefront site, ensuring the accuracy and safety of the experiment.
Smart Images

Figure CN112519656B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a mobile DNA laboratory for forensic science, belonging to the field of mobile laboratories. Background Art
[0002] Forensic science DNA laboratories are mainly responsible for individual identification and paternity testing. The main research methods they use involve chemistry, physics, morphology, immunoserology, biochemistry, molecular biology, and genetics. In order to ensure the quality of forensic evidence identification and the scientificity and reliability of the identification results, the overall layout of forensic science DNA laboratories should take into account the potential risk of sample contamination and reduce the impact on the test results and the harm to personnel. Each area of the laboratory should be independent and meet the requirements of one-way flow. Equipment and utensils in the area should be clearly marked to avoid mixing of special equipment and items in different work areas.
[0003] However, traditional forensic science DNA laboratories can only be located in fixed locations and do not have the capabilities to extend the entire DNA laboratory to the crime scene for on-site testing, rapid comparison, and laboratory management. Summary of the invention
[0004] In view of the above problems, the purpose of the present invention is to provide a forensic science mobile DNA laboratory, which can realize on-site forensic DNA extraction and testing, and at the same time provide the possibility for visual monitoring, video conferencing and case consultation between the rear command center and the front-line discovery site.
[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a forensic science mobile DNA laboratory, comprising: a vehicle head and a loading platform arranged on a large-scale second-class chassis; a driving cab (11) is arranged in the vehicle head for pulling the entire loading platform to move; a main cabin is arranged at the upper part of the loading platform, and a skirt cabin area is arranged at the front side of the lower part of the loading platform; the main cabin is divided into three independent sections, namely, the front part of the main cabin, the middle part of the main cabin and the rear part of the main cabin by a front partition wall (19) and a platform partition wall (12); a cabin outer side pulling platform (18) is arranged on one side of the front part of the main cabin, and the cabin outer side pulling platform (18) serves as an inlet and outlet channel of the sequencing room and together with the front part of the main cabin constitutes a sequencing room; left side pulling compartments (25-26) are respectively arranged on both sides of the middle part of the main cabin. 1) and a right side drawer (25-2), the left side drawer (25-1) and the right side drawer (25-2) together with the middle part of the main cabin constitute an extraction room; the rear part of the main cabin serves as an equipment area; wherein the extraction room is used for extracting DNA from samples to be tested, the sequencing room is used for sequencing the extracted DNA, and the equipment area is used for storing related equipment; the main cabin is also provided with intelligent control equipment, clean air air conditioning and ventilation system, the intelligent control equipment is used for intelligently controlling each room in the main cabin, the clean air air conditioning and ventilation system is used for achieving the requirements of negative pressure in the sequencing room and positive pressure in the extraction room by controlling the wind direction, air volume and wind pressure; the skirt cabin area is used for loading survey equipment or auxiliary equipment, and at the same time supplies power to the entire mobile DNA laboratory.
[0006] Furthermore, the extraction chamber is provided with extraction chamber experimental equipment, extraction chamber conventional equipment and extraction chamber lighting equipment; the extraction chamber experimental equipment includes a left side experimental platform (3), an extraction chamber front experimental platform (4), an extraction chamber movable experimental chair (6-1), a front center experimental platform (10), a rear center experimental platform (14), a fume hood (13), a right side experimental platform (15) and two extraction chamber experimental terminals (38-1); the left side experimental platform (3) is arranged adjacent to the side wall of the left pull box (25-1), a clean workbench (2) is arranged at one end of the upper surface of the left side experimental platform (3), and an extraction chamber experimental terminal (38-1) is arranged at the other side; the extraction chamber front experimental platform (4) is arranged at the extraction chamber The front part of the extraction room is arranged adjacent to the side wall of the front partition wall (19); the front center laboratory table (10) and the rear center laboratory table (14) are arranged in the middle of the extraction room, and the front center laboratory table (10) is used as a workstation (44) bearing position, and the rear center laboratory table (14) is used as an experimental analysis and consultation station, and a number of extraction room movable laboratory chairs (6-1) are arranged around it; the fume hood (13) and the right side laboratory side table (15) are arranged adjacent to the side wall of the right side pull box (25-2), and a fan is arranged in the fume hood (13), and another extraction room experimental terminal (38-1) is arranged on the right side laboratory side table (15); the conventional equipment of the extraction room includes two wall cabinets (33), a freezer (34), A refrigerator (35), a drawer (36), an observation window (37), a transfer window (45), an extraction chamber water pool (54), a first cabinet (56), an extraction chamber exhaust fan (98-1) and an extraction chamber electric heater (99-1); the two wall cabinets (33) are respectively arranged above the left side laboratory table (3) and the right side laboratory table (15), and the freezer (34), the refrigerator (35) and a plurality of drawers (36) are arranged in a preset frame below the left side laboratory table (3); the observation window (37) is arranged on the front partition wall (19), and the transfer window (45) is arranged on one side of the observation window (37), so as to facilitate the personnel in the extraction room and the personnel in the sequencing room to transfer files and communicate with each other; the extraction room and the sequencing room are provided with a plurality of storage cabinets (33). The extraction chamber water pool (54) is arranged at the left end of the front experimental side platform (4), and a clean water outlet is arranged above the extraction chamber water pool (54), and the other end of the clean water outlet is connected to the clean water tank (88) arranged in the skirt cabin area. A sewage outlet is arranged below the extraction chamber water pool (54), and the sewage outlet is connected to the sewage tank (89) arranged in the skirt cabin area through a drainage pipe; the first cabinet (56) is arranged at the lower side of the right end of the front experimental side platform (4); the extraction chamber exhaust fan (99-1) is arranged below the extraction chamber water pool (54), and the extraction chamber electric heater (99-1) is arranged below the left experimental side platform (3) to supplement the indoor heat when the heating capacity of the air conditioner in cold areas is insufficient;The extraction room lighting equipment includes side drawer downlights (64), extraction cabinet atmosphere lights (69), extraction cabinet lower lighting (70), extraction decorative lighting (71), and extraction middle lighting (72); the side drawer downlights (64) are arranged at intervals on the top of the left drawer (25-1) and the right drawer (25-2); the extraction cabinet atmosphere lights (69) and extraction cabinet lower lighting (70) are arranged above and below the two cabinets (33) respectively; the extraction middle lighting (72) is arranged at the center of the top of the main cabin in the middle of the extraction room, and the extraction decorative lighting (71) is arranged around the extraction middle lighting (72).
[0007] Furthermore, a personnel access door (17) for the extraction room personnel to enter and exit is provided at the front of the right side drawer (25-2), and a personnel fingerprint lock (86) is provided on the personnel access door (17) for the extraction room personnel to enter and exit; an equipment access door (16) for the equipment to enter and exit is provided at the front of the side of the right side drawer (25-2); a lift-up window (24-1) is provided on the upper middle side of the right side drawer (25-2) and the left side drawer (25-1); and a ventilation shutter matching the position of the fume hood (13) is provided at the rear of the right side drawer (25-2).
[0008] Furthermore, the left side experimental platform (3), the front experimental platform (4) of the extraction chamber, the front center experimental platform (10), the rear center experimental platform (14), and the right side experimental platform (15) are all made of ceramic physical and chemical plates.
[0009] Furthermore, the sequencing room is provided with sequencing room experimental equipment, sequencing room conventional equipment and sequencing room lighting equipment; the sequencing room experimental equipment includes a sequencing room rear experimental side table (5), a sequencing room movable experimental chair (6-2), a sequencing room front experimental side table (7), a lifting platform (60), a detection instrument position (8) and a sequencing room experimental terminal (38-2); the sequencing room rear experimental side table (5) and the sequencing room front experimental side table (7) are respectively arranged at the rear and front of the sequencing room, and a plurality of sequencing room movable experimental chairs are arranged on one side of the sequencing room rear experimental side table (5) and the sequencing room front experimental side table (7). (6-2); the sequencing room experimental terminal (38-2) is arranged on the experimental side table (5) at the rear of the sequencing room; the lifting platform (60) is arranged on the upper left end of the experimental side table (7) at the front of the sequencing room, and the detection instrument position (8) is arranged on the lifting platform (60) for placing the detection instrument (50); the conventional equipment of the sequencing room includes a sequencing room wall cabinet (39), a refrigerator (35-2), a sequencing room water pool (55), a sequencing room exhaust fan (98-2), a sequencing room electric heater (99-2) and a computer host position (59); the sequencing room wall cabinet (39) is arranged at the front of the sequencing room The refrigerator (35-2) is arranged below the right end of the laboratory side table (7) at the front of the sequencing room; the computer host position (59) is arranged on the left side of the refrigerator (35-2) for placing the computer host; the sequencing room pool (55) is arranged at the left end of the laboratory side table (5) at the rear of the sequencing room, and a clean water outlet is arranged above the sequencing room pool (55), and the other end of the clean water outlet is connected to the clean water tank (88) arranged in the skirt cabin area, and the sewage outlet below the sequencing room pool (55) is connected to the sewage tank (89) arranged in the skirt cabin area through a drainage pipe. The sequencing room exhaust fan (98-2) is arranged below the sequencing room pool (55); the sequencing room electric heater (99-2) is arranged below the right end of the experimental side table (5) at the rear of the sequencing room, and is used to supplement the heat in the room when the air conditioning heating capacity in cold areas is insufficient; the sequencing room lighting equipment includes a sequencing main lighting (73), a sequencing cabinet atmosphere light (74) and a sequencing cabinet lower lighting (75); the sequencing main lighting (73) is arranged at intervals in the center of the top of the sequencing room; the sequencing cabinet atmosphere light (74) and the sequencing cabinet lower lighting (75) are respectively arranged at the upper and lower parts of the sequencing room cabinet (39).
[0010] Furthermore, a sequencing room access door (20) is arranged on the side wall of the main cabin body located on one side of the sequencing room, and a personnel fingerprint lock (86-2) is arranged on the sequencing room access door (20), and the sequencing room access door (20) is connected to a personnel cabin ladder (21) via the cabin outer side pull platform (18), so as to facilitate the entry and exit of the sequencing room personnel; a lift-up window (24-2) is arranged in the middle and upper part of the main cabin body located on the other side of the sequencing room, and air outlets (26) are arranged on both sides of the lower part of the lift-up window (24-2).
[0011] Furthermore, a generator (30) is arranged at the lower part of the equipment area (1), and two generator cabin shutter doors (29) are arranged on the two side walls of the equipment area (1) at positions corresponding to the positions of the generator (30), and a generator cabin rear door (53) is arranged on the rear wall of the equipment area (1) at positions corresponding to the positions of the generator (30).
[0012] Furthermore, the clean air air conditioner and ventilation system comprises two clean air conditioners (31), a static pressure air outlet box (47) for a sequencing chamber, a static pressure air outlet box (48) for an extraction chamber, an air duct (49), a venturi valve (61), a diversion static pressure box (62), a diffuser plate (63) for an extraction chamber, and a diffuser plate (68) for a sequencing chamber; the two clean air conditioners (31) are arranged at the upper part of the equipment area (1), and two air conditioner cabin shutter doors (22) are arranged on the two side walls of the equipment area (1) at positions corresponding to the positions of the clean air conditioners (31), an air conditioner rear shutter door (52) is arranged on the rear wall of the equipment area (1) at positions corresponding to the positions of the clean air conditioners (31), and the clean air conditioner The air outlet of the air conditioner (31) is connected to the diversion static pressure box (62) arranged at the top of the equipment area (1); the middle outlet of the diversion static pressure box (62) is connected to the sequencing chamber diffuser plate (68) and the sequencing chamber static pressure outlet box (47) arranged at the top of the rear side of the sequencing chamber through the air duct (49) and the venturi valve (61) arranged at the top of the extraction chamber; the two side outlets of the diversion static pressure box (62) are respectively connected to the two extraction chamber diffuser plates (63) and the extraction chamber static pressure outlet box (48) arranged at the top of the rear side of the extraction chamber through the venturi valve (61), so as to control the wind direction, wind volume and wind pressure in the sequencing chamber and the extraction chamber.
[0013] Furthermore, an exterior lift lighting lamp (9) is arranged on the front side of the top of the main cabin; a satellite antenna (40) is arranged behind the exterior lift lighting lamp (9); a low roof fence (27) is arranged around the top of the main cabin, an electric awning (51) is arranged inside the low roof fence (27), and an exterior lighting lamp (28) is arranged on the top of the cabin below the low roof fence (27); and a balancing support leg (23) is arranged at the bottom of the loading platform.
[0014] Furthermore, the intelligent control device includes a video recorder device, an in-vehicle control PLC, a side-pull compartment control PLC, a special vehicle integrated management system, a sensor master control, a display control screen (32), a network communication device and an intelligent terminal master control (57); the in-vehicle control PLC, the side-pull compartment control PLC, the special vehicle integrated management system, the sensor master control, the network communication device and the intelligent terminal master control (57) are all arranged in the extraction room and located in the second cabinet (42) on the right side of the experimental side table (4) at the front of the extraction room, and a corresponding position of the second cabinet (42) is also arranged in the sequencing room. There is a cabinet inspection door (58) for inspecting the second cabinet (42); the display control screen (32) is arranged on the platform partition wall (12) and is used for real-time display according to the relevant information sent by the intelligent terminal master control (57); the video recorder equipment, the in-vehicle control PLC, the side pull compartment control PLC, the special vehicle integrated management system, the sensor master control and the network communication equipment are used to cooperate with the intelligent terminal master control (57) to intelligently control the smart experiments, video conferencing, video monitoring, power management, network management, experimental environment, personnel management and material level management in the vehicle.
[0015] Furthermore, the video recorder device includes a conference camera system (43), an in-cabin monitoring camera (46) and an out-of-vehicle monitoring camera (41); the conference camera terminal (43) is arranged at the center of the top rear side of the extraction chamber for monitoring the vicinity of the workstation; there are three in-cabin monitoring cameras (46), two of which are arranged at the two corners of the top left side of the extraction chamber, and the other is arranged at the top left side of the sequencing chamber for real-time monitoring of the interior of the sequencing chamber; the out-of-vehicle monitoring camera (41) is arranged between the cab and the main cabin for real-time monitoring of the outside of the vehicle, and the monitoring data of each camera is sent to the intelligent terminal master control (57).
[0016] Furthermore, the in-vehicle control PLC is respectively connected to seat return sensors (77) arranged on the floor of the main cabin around the central laboratory table (14) at the rear of the extraction room and on one side of the laboratory side table (5) at the rear of the sequencing room and the laboratory side table (7) at the front of the sequencing room, ventilation shutter return sensors (79) arranged at the two generator cabin shutter doors (29) and the generator cabin rear door (53) at the lower part of the equipment area (1), ventilation shutter return sensors (84) arranged at the rear of the right side pull box (25), lifting light return sensors (83) arranged at the lifting light (9) outside the vehicle, and balance support leg return sensors arranged at the balance support legs (23) at the four corners of the lower part of the main cabin, and the sensors are controlled by the sensors. The side-pull compartment control PLC is respectively connected to the workstation lifting sensor and the workstation locking sensor arranged at the extraction room workstation (44), the sequencer lifting sensor arranged at the sequencing room lifting platform (60), the sequencer locking sensor (82) arranged at the detection instrument position 8, the generator compartment homing sensor arranged in the generator compartment, the push-pull tray homing sensor arranged at the corresponding position below the laboratory side table in the extraction room and the sequencing room, the large drawer homing sensor, the small drawer homing sensor, the side-pull compartment homing sensor (76) arranged on the loading platform in the middle of the extraction room, the side-pull compartment homing sensor (76) arranged at the front of the main compartment body and connected to the sequencing room access door (20) and the cabin outer side pull platform (18). The corresponding side door return position 85 and side pull platform return position (87), the side pull box inversion sensor arranged at the bottom of the side pull box, and the side pull floor flap return sensor arranged at the bottom of the side pull box flap are connected to collect and process their signals; the special vehicle integrated management system is respectively connected to the generator control and parameter reading sensor arranged at the generator (30), the mains power supply parameter reading sensor and UPS power supply and control signal sensor arranged in the second cabinet (42), the sequencing room water tank level sensor arranged at the sequencing room water pool, the extraction room water tank level sensor arranged at the extraction room water pool, the fuel heater tank level arranged at the heater, and the fuel heater tank level arranged in the generator cabin. The power generation cabin fire sensor, the air conditioning cabin fire sensor in the air conditioning cabin, the extraction cabin fire sensor at the top of the extraction chamber, and the sequencing cabin fire sensor at the top of the sequencing chamber are connected to collect and process their signals; the sensor master control is respectively connected to the extraction chamber temperature and humidity sensor at the top center of the left drawer (25-1) and the right drawer (25-2), the extraction chamber pressure difference sensor at the top center of the extraction chamber, the sequencing chamber temperature and humidity sensor, the sequencing chamber pressure difference sensor, the negative pressure fan controller in the small cabinet (65), the refrigerator power failure alarm sensor in the skirt compartment, the sequencing chamber intelligent door lock, and the extraction chamber intelligent door lock to collect and process their signals.
[0017] Furthermore, the network communication equipment includes a LAN router, a LAN switch, and a LAN server; the LAN router is respectively connected to the intelligent inspection terminal, the equipment master monitor and the LAN switch; the intelligent inspection terminal includes intelligent inspection terminal amplification, intelligent inspection terminal extraction and intelligent inspection terminal electrophoresis arranged in the extraction room and the sequencing room; the equipment master monitor is used to be connected to the monitoring power supplies of the two amplifiers, the monitoring power supply of the extraction workstation, the monitoring power supply of the sequencer and the monitoring power supply of the rapid inspection instrument; the LAN switch is connected to the LAN server; the LAN server is connected to the ferry terminal server, the public security network server, the public security network switch, and the public security network router in sequence, and the LAN server, the ferry terminal server and the public security network server are also connected to the KVM; the public security network router is also respectively connected to the laptop terminal and the main video + video conferencing equipment.
[0018] Furthermore, the skirt cabin area is provided with a power cable reel (94), a power cable (95), an external power interface (96), and a distribution box (97); the distribution box (97) adopts a multi-power supply for power distribution, wherein the AC power supply is powered by a switching mode of the mains power and the generator (30), and the mains power interface is divided into three groups, two of which are used to power the purification air conditioner (31), and the remaining one is used for power supply of the equipment in the cabin; the power supply of the equipment in the cabin is divided into high-power, UPS and inverter power supply, and the high-power power supply branch is used to power the external lifting lighting (9), the mains power socket (91), the water heater (90), the exhaust fan (98), the extraction center The UPS is used to power the system equipment, intelligent equipment, computer and network equipment; the inverter power supply is used to power the refrigerator (35-1), refrigerator (35-2) and freezer (34) in the extraction room and sequencing room. At the same time, the inverter power supply has a charging function for charging the additional battery configured. The additional battery is used to power the balance support leg (23), the cable drum and the left pull box (25-1), the right pull box (25-2), and the outer pull platform (18), and a battery isolator is connected between the additional battery and the original vehicle battery.
[0019] Due to the adoption of the above technical scheme, the present invention has the following advantages: 1. The present invention is a vehicle-mounted mobile DNA laboratory, which can realize intelligent experiments of forensic science under mobile conditions, can perform on-site real-time extraction and detection at the scene of the crime, and has the experimental conditions of mobile bearing and field guarantee module. 2. The present invention is divided into a cab, an amplification sequencing room, an extraction and analysis room and an equipment area as a whole, and each cabin realizes complete physical isolation, wherein: the amplification sequencing room and the extraction and analysis room are convenient for isolation and for personnel to enter and pass through, and there is a transfer window of the forensic laboratory between them; the accuracy of the experiment is guaranteed and the infection of the test sample is avoided. 3. The layout of the laboratory bench cabinet of the present invention is divided into two types: sequencing room layout and extraction room layout. The sequencing room is a front and back layout, and the extraction room is a layout of two sides, a central platform and a front side. The right side of the front platform of the sequencing room is the bearing position of the sequencer (or a rapid tester), the front of the central platform of the extraction room is the workstation bearing position, and the rear is the experimental analysis and consultation station. Each room has complete functions and clear division of labor. 4. The present invention is equipped with a purification air conditioner and ventilation system to improve the indoor environment and meet the standards of a secondary biological laboratory. By controlling the wind direction, air volume and wind pressure, the negative pressure requirements of the sequencing room and the positive pressure requirements of the extraction room are achieved. 5. The present invention adopts a multi-power supply and distribution solution to enable the system to meet the secondary power supply load standard and ensure the reliability of the system power supply. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is a floor plan of the mobile DNA laboratory for forensic science of the present invention;
[0021] Figure 2 is a right side diagram of the forensic science mobile DNA laboratory of the present invention;
[0022] Figure 3 It is a left side diagram of the forensic science mobile DNA laboratory of the present invention;
[0023] Figure 4 It is a left side view of the interior of the mobile DNA laboratory for forensic science of the present invention;
[0024] Figure 5 This is a right side view of the interior of the mobile DNA laboratory for forensic science of the present invention;
[0025] Figure 6 is a cross-sectional view of the interior of the mobile DNA laboratory for forensic science of the present invention;
[0026] Figure 7a to Figure 7c The figure is a rear view and a cross-sectional view of the mobile DNA laboratory for forensic science of the present invention, wherein: Figure 7a It is a schematic diagram of the D-direction expansion of the extraction and analysis area; Figure 7b It is a schematic diagram of the extraction and analysis area contracting in the direction D; Figure 7c It is a schematic diagram of the rear part of the vehicle being folded in the E direction;
[0027] Figure 8a to Figure 8c The front partition and cross-sectional view of the mobile DNA laboratory for forensic science of the present invention are shown, wherein: Figure 8a It is the C-direction cross-section of the extraction and analysis area; Figure 8b is a cross-sectional view of the amplification detection area in the direction of B; Figure 8c It is a cross-sectional view of the front A direction of the amplification detection area;
[0028] Fig. 9 This is a diagram of the top air duct and sensor layout in the mobile DNA laboratory of forensic science of the present invention;
[0029] Fig.10 It is a lighting layout diagram of the mobile DNA laboratory of forensic science of the present invention;
[0030] Fig.11 It is a personnel and material position control diagram of the forensic science mobile DNA laboratory of the present invention;
[0031] Fig.12 This is a diagram of a multi-power supply and distribution structure of the present invention;
[0032] Fig.13 This is the working principle of the intelligent control system of the present invention;
[0033] Fig.14 It is a signal processing schematic diagram of the master control of the intelligent terminal of the present invention;
[0034] The marks in the figure are as follows: 1. Equipment area; 2. Clean bench (on-bench type); 3. Left side bench; 4. Front side bench of extraction room; 5. Rear side bench of sequencing room; 6-1. Movable experimental chair in extraction room; 6-2. Movable experimental chair in sequencing room; 7. Front side bench of sequencing room; 8. Testing instrument position; 9. External lifting lighting; 10. Front center bench; 11. Driver's cab; 12. Bench partition wall; 13. Fume hood; 14. Rear center bench; 15. Right side bench; 16. Equipment access door; 17. Personnel access door of extraction room; 18. Pulling platform outside cabin; 19. Front partition wall; 20. Access door of sequencing room; 21. Personnel boarding ladder; 22. Shutter door of air-conditioning cabin; 23. Balance support leg; 24. Lift-up window; 25-1, left side drawer; 25-2, right side drawer; 26, air outlet; 27, low roof fence; 28, exterior lighting; 29, shutter door of power generation cabin; 30, generator; 31, purification air conditioner; 32, large display and control screen; 33, wall cabinet; 34, freezer; 35-1, refrigerator; 35-2, refrigerator; 36, large drawer; 37, observation window; 38, sequencing room experimental terminal; 39, sequencing room wall cabinet; 40, satellite antenna; 41, exterior surveillance camera; 42, large cabinet; 43, conference camera system; 44, workstation; 45, transfer window; 46, interior surveillance camera; 47, static pressure outlet box of sequencing room; 48, static pressure outlet box of extraction room; 49, air duct; 50, detector; 51, electric Dynamic awning; 52. Air conditioning rear shutter door; 53. Power generation cabin rear door; 54. Extraction room pool; 55. Sequencing room pool; 56. Small cabinet; 57. Master control terminal; 58. Cabinet maintenance door; 59. Computer host position; 60. Lifting platform; 61. Venturi valve; 62. Diverter static pressure box; 63. Extraction room diffuser plate; 64. Side pull compartment downlight (AC lighting 2); 65. Temperature and humidity sensor; 66. Pressure difference sensor; 67. Fireworks sensor; 68. Sequencing room diffuser plate; 69. Extraction cabinet atmosphere light (AC lighting 2); 70. Extraction cabinet lower lighting (DC lighting); 71. Extraction decorative lighting; 72. Extraction middle lighting (AC lighting 1); 73. Sequencing main lighting (AC lighting 1); 74. Measurement Sequencing cabinet atmosphere light (AC lighting 2); 75, sequencing cabinet lower lighting (DC lighting); 76, side pull compartment return sensor; 77, seat return sensor; 78, refrigerator power failure alarm; 79, large drawer return sensor; 80, drawer return sensor; 81, workstation return sensor; 82, sequencer lock sensor; 83, lift lighting return sensor; 84, ventilation louver return; 85, door return; 86, personnel fingerprint lock; 87, side pull platform return; 88, water tank; 89, sewage tank; 90, water heating; 91, city power socket; 92, UPS socket; 93, network port; 94, power cord reel; 95, power cable; 96, external power interface; 97, distribution box (power management and switching);98-1, extraction room exhaust fan; 98-2, sequencing room exhaust fan; 99-1, extraction room electric heater; 99-2, sequencing room electric heater. ; DETAILED DESCRIPTION
[0035] The present invention is described in detail below with reference to the accompanying drawings and embodiments.
[0036] like Figures 1 to 12 As shown, a mobile DNA laboratory for forensic science provided by the present invention comprises a vehicle head and a loading platform arranged on a large Class II chassis; a driving cab 11 is arranged in the vehicle head for pulling the entire loading platform to move; a main cabin is arranged on the upper part of the loading platform, and a skirt cabin area is arranged on the front side of the lower part of the loading platform; the main cabin is divided into three independent sections, namely the front part of the main cabin, the middle part of the main cabin and the rear part of the main cabin by a front partition wall 19 and a platform partition wall 12; an outer side pulling platform 18 is arranged on one side of the front part of the main cabin, and the outer side pulling platform 18 serves as the inlet and outlet passage of the sequencing room and together with the front part of the main cabin constitutes a sequencing room; a left pulling compartment 25-1 and a right pulling compartment are arranged on both sides of the middle part of the main cabin, respectively. 25-2, the left drawer 25-1 and the right drawer 25-2 together with the middle part of the main cabin constitute an extraction room; the rear part of the main cabin serves as the equipment area; wherein, the extraction room is used for extracting DNA from samples to be tested, the sequencing room is used for sequencing the extracted DNA, and the equipment area is used for storing related equipment; the main cabin is also equipped with intelligent control equipment, clean air air conditioning and ventilation system, the intelligent control equipment is used for intelligent control of each room in the main cabin, the clean air air conditioning and ventilation system is used to achieve the requirements of negative pressure in the sequencing room and positive pressure in the extraction room by controlling the wind direction, air volume and wind pressure; the skirt cabin area is used for loading on-site survey equipment or auxiliary equipment, and at the same time provides power for the entire mobile DNA laboratory.
[0037] Furthermore, the extraction chamber is provided with extraction chamber experimental equipment, extraction chamber conventional equipment and extraction chamber lighting equipment.
[0038] like Figure 1 , Figure 6As shown, the extraction room experimental equipment includes a left experimental side table 3, a front experimental side table 4 of the extraction room, a movable experimental chair 6-1 of the extraction room, a front center experimental table 10, a rear center experimental table 14, a fume hood 13 and a right experimental side table 15. Among them, the left side laboratory side table 3 is arranged adjacent to the side wall of the left side drawer 25-1, and a clean workbench (on-bench type) 2 is arranged at one end of the upper surface of the left side laboratory side table 3, and an extraction chamber experimental terminal 38-1 is arranged on the other side; the extraction chamber front laboratory side table 4 is arranged at the front of the extraction chamber, and adjacent to the side wall of the front partition wall 19; the front center laboratory table 10 and the rear center laboratory table 14 are arranged in the middle of the extraction chamber, and the front center laboratory table 10 is used as a workstation 44 bearing position, and the rear center laboratory table 14 is used as an experimental analysis and consultation workstation, and a number of extraction chamber movable experimental chairs 6-1 are arranged around it; the fume hood 13 and the right side laboratory side table 15 are arranged adjacent to the side wall of the right drawer 25-2, and a fan is arranged in the fume hood 13, and another extraction chamber experimental terminal 38-1 is arranged on the right side laboratory side table 15.
[0039] like Figure 4 , Figure 7b , Figure 8a As shown, conventional equipment in the extraction room includes a wall cabinet 33, a freezer 34, a refrigerator 35, a large drawer 36, an observation window 37, a transfer window 45, an extraction room water pool 54, a small cabinet 56, an extraction room exhaust fan 98-1 and an extraction room electric heater 99-1. The wall cabinet 33 is respectively arranged on the left side experimental platform 3 and the right side experimental platform 15 ( Figure 7b 3, a refrigerator 35 and a plurality of large drawers 36 are arranged in a preset frame below the left side laboratory side table 3; an observation window 37 is arranged on the front partition wall 19, and a transfer window 45 is arranged on one side of the observation window 37, so as to facilitate the personnel of the extraction room and the sequencing room personnel to transfer files and communicate with each other; an extraction room water pool 54 is arranged at the left end of the front laboratory side table 4 of the extraction room, a clean water outlet is arranged above the extraction room water pool, and the other end of the clean water outlet is connected to the clean water tank 88 arranged in the skirt cabin area, and a water heater 90 is arranged in the clean water tank 88, and a sewage outlet is arranged below the extraction room water pool 54, and the sewage outlet is connected to the sewage tank 89 arranged in the skirt cabin area through a drainage pipe; a small cabinet 56 is arranged on the lower side of the right end of the front laboratory side table 4, for placing a control conversion module; an extraction room exhaust fan 99-1 is arranged below the extraction room water pool 54, and an extraction room electric heater 99-1 is arranged below the left side laboratory side table 3, for supplementing the indoor heat when the heating capacity of the air conditioner in cold areas is insufficient.
[0040] like Fig. 9 , Fig.10As shown, the lighting equipment in the extraction room includes side drawer downlights 64, drawer wall cabinet atmosphere lights 69, drawer wall cabinet lower lighting 70, drawer decorative lighting 71, and drawer middle lighting 72. Among them, the side drawer downlights 64 are arranged at intervals on the top of the left drawer 25-1 and the right drawer 25-2, the drawer wall cabinet atmosphere lights 69 and the drawer wall cabinet lower lighting 70 are arranged above and below the two wall cabinets 33 respectively, the drawer middle lighting 72 is arranged at the center of the top of the main cabin in the middle of the extraction room, and the drawer decorative lighting 71 is arranged around the drawer middle lighting 72.
[0041] Furthermore, if Figure 1 , Figure 2 , Fig.11 As shown, a personnel access door 17 for the extraction room personnel to enter and exit is provided at the front of the right-hand drawer 25-2, and a personnel fingerprint lock 86 is provided on the personnel access door 17 for the extraction room; an equipment access door 16 for the equipment to enter and exit is provided at the front of the side of the right-hand drawer 25-2; a lift-up window 24-1 is provided on the upper middle side of the right-hand drawer 25-2 and the left-hand drawer 25-1; a ventilation shutter matching the position of the fume hood 13 is provided at the rear of the right-hand drawer 25-2.
[0042] Furthermore, the left side bench 3, the front side bench 4 of the extraction chamber, the front center bench 10, the rear center bench 14, and the right side bench 15 are all made of ceramic physical and chemical plates with excellent corrosion resistance. The lower part is an aluminum alloy profile and can be equipped with modules such as refrigerators, special large drawers, special small drawers, workstations and equipment trays as needed.
[0043] Furthermore, a mains power socket 91, a UPS socket 92 and a network port 93 are also provided on the side walls of the main cabin above the left experimental side platform 3 and the right experimental side platform 15 in the extraction room.
[0044] Furthermore, the sequencing room is provided with sequencing room experimental equipment, sequencing room conventional equipment and sequencing room lighting equipment.
[0045] Among them, Figure 1 , Figure 8c As shown, the sequencing room experimental equipment includes a sequencing room rear experimental side table 5, a sequencing room movable experimental chair 6-2, a sequencing room front experimental side table 7, a lifting platform 60, a detection instrument position 8 and a sequencing room experimental terminal 38. The sequencing room rear experimental side table 5 and the sequencing room front experimental side table 7 are respectively arranged at the rear and front of the sequencing room, and a plurality of sequencing room movable experimental chairs 6-2 are arranged on one side of the sequencing room rear experimental side table 5 and the sequencing room front experimental side table 7; the sequencing room experimental terminal 38-2 is arranged on the sequencing room rear experimental side table 5 and is connected to the detection instrument 50 through a network; the lifting platform 60 is arranged at the upper left end of the sequencing room front experimental side table 7, and the lifting platform 60 is provided with a detection instrument position 8 for placing the detection instrument 50.
[0046] like Figure 4 , Figure 8b and Figure 8c As shown, conventional equipment in the sequencing room includes a sequencing room wall cabinet 39, a refrigerator 35-2, a sequencing room water pool 55, a sequencing room exhaust fan 98-2, a sequencing room electric heater 99-2 and a computer host position 59. Among them, the sequencing room wall cabinet 39 is arranged above the laboratory side table 7 at the front of the sequencing room; the refrigerator 35-2 is arranged below the right end of the laboratory side table 7 at the front of the sequencing room; the computer host position 59 is arranged on the left side of the refrigerator 35-2, for placing the computer host; the sequencing room pool 55 is arranged at the left end of the laboratory side table 5 at the rear of the sequencing room, and a clean water outlet is arranged above the sequencing room pool 55, and the other end of the clean water outlet is connected to the clean water tank 88 arranged in the skirt cabin area, and the sewage outlet below the sequencing room pool 55 is connected to the sewage tank 89 arranged in the skirt cabin area through a drainage pipe; the sequencing room exhaust fan 98-2 is arranged below the sequencing room pool 55; the sequencing room electric heater 99-2 is arranged below the right end of the laboratory side table 5 at the rear of the sequencing room, and the sequencing room electric heater 99-2 is used to supplement the indoor heat when the heating capacity of the air conditioner in cold areas is insufficient.
[0047] like Fig.10 As shown, the lighting equipment in the sequencing room includes a main sequencing lighting 73, a sequencing cabinet atmosphere light 74, and a sequencing cabinet lower lighting 75. The main sequencing lighting 73 is arranged at intervals in the center of the top of the sequencing room; the sequencing cabinet atmosphere light 74 and the sequencing cabinet lower lighting 75 are arranged at the upper and lower parts of the sequencing room cabinet 39, respectively.
[0048] Furthermore, if Figure 1 , Figure 2 , Figure 3 As shown, a sequencing room access door 20 is provided on the side wall of the main cabin body located on one side of the sequencing room, and a personnel fingerprint lock 86 is provided on the sequencing room access door 20. The sequencing room access door 20 is connected to the personnel cabin ladder 21 through the cabin outer side pull platform 18 to facilitate the entry and exit of the sequencing room personnel; a lift-up window 24-2 is provided in the upper middle part of the main cabin body located on the other side of the sequencing room, and air outlets 26 are provided on both sides of the lower part of the lift-up window 24-2.
[0049] Furthermore, the experimental side table 5 at the rear of the sequencing room and the experimental side table 7 at the front of the sequencing room are made of ceramic physical and chemical plates with excellent corrosion resistance. The lower part is an aluminum alloy profile and can be equipped with modules such as a refrigerator, a special large drawer, a special small drawer, a work station and an equipment tray as needed.
[0050] Furthermore, a mains power socket 91, a UPS socket 92 and a network port 93 are also provided on the side wall of the main cabin above the experimental side table 7 at the front of the sequencing room.
[0051] Furthermore, if Figure 1 to Figure 4As shown, a generator 30 is arranged at the lower part of the equipment area 1, and two generator compartment shutter doors 29 are arranged on the two side walls of the equipment area 1 at positions corresponding to the generator 30, and a generator compartment rear door 53 is arranged on the rear wall of the equipment area 1 at positions corresponding to the generator 30. The output power of the generator 30 is not connected to the vehicle at ordinary times, but is still connected to the distribution box in the skirt compartment area through the external power interface 96 when in use, and needs to be plugged in.
[0052] Furthermore, since the vibration and noise of the generator 30 will have a great impact on the experiment when the platform is conducting experiments, the present invention adopts a generator loading and unloading device. Before the experiment, the generator 30 is unloaded to be completely separated from the platform base, and the vehicle is driven a certain distance away. The vibration and noise of the generator 30 during operation will not affect the experiment. Before driving, the vehicle is driven back and the generator 30 is installed and fixed on the vehicle using the device; the generator is installed at the rear of the vehicle, and a lifting tailgate is added to facilitate the lifting, separation and combined fixation of the generator.
[0053] Furthermore, if Figure 2 to Figure 6 , Fig. 9 As shown, the clean air air conditioner and ventilation system includes two purification air conditioners 31, a static pressure outlet box 47 for the sequencing chamber, a static pressure outlet box 48 for the extraction chamber, an air duct 49, a venturi valve 61, a diversion static pressure box 62, a diffuser orifice plate 63 for the extraction chamber, and a diffuser orifice plate 68 for the sequencing chamber. Among them, two purification air conditioners 31 are arranged on the upper part of the equipment area 1, and two air conditioning cabin shutter doors 22 are arranged on the two side walls of the equipment area 1 at the positions corresponding to the positions of the purification air conditioners 31, and an air conditioning rear shutter door 52 is arranged on the rear wall of the equipment area 1 at the positions corresponding to the positions of the purification air conditioners 31, and the air outlet of the purification air conditioner 31 is connected to the diversion static pressure box 62 arranged on the top of the equipment area 1; the middle outlet of the diversion static pressure box 62 is connected to the sequencing chamber static pressure outlet box 47 and the sequencing chamber diffuser plate 68 arranged on the top of the rear side of the sequencing chamber through the air duct 49 and the Venturi valve 61 arranged on the top of the extraction chamber; the two side outlets of the diversion static pressure box 62 are respectively connected to the two extraction chamber diffuser plates 63 and the extraction chamber static pressure outlet box 48 arranged on the top of the rear side of the extraction chamber through the Venturi valve 61, which are used to control the wind direction, air volume and air pressure in the sequencing chamber and the extraction chamber.
[0054] Furthermore, an external lifting lighting lamp 9 is provided on the front side of the top of the main cabin body; a satellite antenna 40 is provided behind the external lifting lighting lamp 9; a low roof fence 27 is provided around the top of the main cabin body, an electric awning 51 is provided on the inner side of the low roof fence 27, and an external lighting lamp 28 is provided on the top of the car body below the low roof fence 27; and a balancing support leg 23 is provided at the bottom of the loading platform.
[0055] Furthermore, if Fig.13 , Fig.14As shown, the intelligent control equipment includes a video recorder, an in-vehicle control PLC, a side-pull compartment control PLC, a special vehicle integrated management system, a sensor master control, a large display control screen 32, a network communication device and an intelligent terminal master control 57. Among them, the in-vehicle control PLC, the side-pull compartment control PLC, the special vehicle integrated management system, the sensor master control, the network communication equipment and the intelligent terminal master control 57 are all arranged in the extraction room, and are located in the large cabinet 42 on the right side of the experimental side table 4 at the front of the extraction room. A cabinet inspection door 58 for inspecting the large cabinet 42 is also provided in the sequencing room at the position corresponding to the position of the large cabinet 42; the large display control screen 32 is arranged on the table partition wall 12 at the rear of the extraction room, and is used for real-time display according to the relevant information sent by the intelligent terminal master control 57; the video recorder equipment, the in-vehicle control PLC, the side-pull compartment control PLC, the special vehicle integrated management system, the sensor master control and the network communication equipment are used to cooperate with the intelligent terminal master control 57 to perform intelligent control on the smart experiments, video conferencing, video monitoring, power management, network management, experimental environment, personnel management and material level management in the vehicle to meet the requirements of smart experiments.
[0056] Furthermore, the video recorder equipment includes a conference camera system 43, an in-cabin monitoring camera 46, and an out-of-vehicle monitoring camera 41. Among them, the conference camera terminal 43 is set at the center of the top of the rear side of the extraction room, which is used to monitor the vicinity of the workstation; there are three in-cabin monitoring cameras 46, two of which are respectively set at the two corners of the top left side of the extraction room, and the other is set at the top left side of the sequencing room, which is used to monitor the inside of the sequencing room in real time; the out-of-vehicle monitoring camera 41 is set between the cab and the main cabin, which is used to monitor the outside of the vehicle in real time, and the monitoring data of each camera is sent to the intelligent terminal master control 57.
[0057] Furthermore, the in-vehicle control PLC is respectively connected to the seat return sensors 77 arranged on the main cabin floor around the rear central experimental table 14 of the extraction room and on one side of the experimental side table 5 at the rear of the sequencing room and the experimental side table 7 at the front of the sequencing room, the ventilation shutter return sensors 79 arranged at the two power cabin shutter doors 29 and the power cabin rear door 53 at the lower part of the equipment area 1, the ventilation shutter return 84 arranged at the rear of the right pull box 25, the lifting lighting return sensor 83 arranged at the lifting lighting 9 outside the vehicle, and the balance support leg return sensors arranged at the balance support legs 23 at the four corners of the lower part of the main cabin, and performs signal collection and processing on them;
[0058] The side-pull compartment control PLC is respectively connected to the workstation lifting sensor, workstation locking sensor and workstation homing sensor 81 arranged at the extraction room workstation 44, the sequencer lifting sensor arranged at the sequencing room lifting platform 60, the sequencer locking sensor 82 arranged at the detection instrument position 8, the generator compartment homing sensor arranged in the generator compartment, the push-pull tray homing sensor arranged at the corresponding position below the laboratory side table in the extraction room and the sequencing room, the large drawer homing sensor 79, the drawer homing sensor 80, the side-pull compartment homing sensor 76 arranged on the loading platform in the middle of the extraction room, the side access door homing 85 and the side pull platform homing 87 arranged at the front of the main cabin body corresponding to the sequencing room access door 20 and the cabin outer side pull platform 18, the side pull compartment inversion sensor arranged at the bottom of the side pull compartment, and the side pull floor flap homing sensor arranged at the bottom of the side pull compartment flap, and collects and processes their signals;
[0059] The special vehicle integrated management system is respectively connected to the generator control and parameter reading sensor arranged at the generator 30, the mains power parameter reading sensor and UPS power supply and control signal sensor arranged in the large cabinet 42, the sequencing chamber water tank level sensor arranged at the sequencing chamber water tank, the extraction chamber water tank level sensor arranged at the extraction chamber water tank, the fuel heater tank level arranged at the heater, the generating chamber pyrotechnics sensor arranged in the generating chamber, the air conditioning chamber pyrotechnics sensor arranged in the air conditioning chamber, the extraction chamber pyrotechnics sensor arranged at the top of the extraction chamber, and the sequencing chamber pyrotechnics sensor arranged at the top of the sequencing chamber, to collect and process their signals;
[0060] The sensor master control is respectively connected to the extraction room temperature and humidity sensor arranged at the top center of the drawer compartments 25 on both sides, the extraction room pressure difference sensor arranged at the top center of the extraction room, the sequencing room temperature and humidity sensor, the sequencing room pressure difference sensor, the negative pressure fan controller arranged in the small cabinet 56, the refrigerator power failure alarm sensor arranged in the skirt compartment, the sequencing room smart door lock, and the extraction room smart door lock to collect and process their signals.
[0061] Furthermore, if Fig.13As shown, the network communication equipment includes a LAN router, a LAN switch, and a LAN server. Among them, the LAN router is connected to the intelligent test terminal, the equipment master monitor, and the LAN switch respectively. The intelligent test terminal includes the intelligent test terminal amplification, intelligent test terminal extraction, and intelligent test terminal electrophoresis arranged in the extraction room and the sequencing room; the equipment master monitor is used to connect to the monitoring power supply of the two amplifiers, the monitoring power supply of the extraction workstation, the monitoring power supply of the sequencer, and the monitoring power supply of the rapid tester; the LAN switch is connected to the LAN server; the LAN server is connected to the ferry terminal server, the public security network server, the public security network switch, and the public security network router in sequence, and the LAN server, the ferry terminal server, and the public security network server are also connected to the KVM; the public security network router is also connected to the laptop terminal and the main video + video conferencing equipment respectively.
[0062] Furthermore, a power cable reel 94, a power cable 95, an external power interface 96, and a distribution box (power management and switching) 97 are provided in the skirt compartment area.
[0063] Furthermore, if Fig.12 As shown, it is a diagram of the power supply and distribution structure of the multi-power supply of the present invention. The AC power supply is powered by the switching mode of the mains and the generator 30. The total power supply capacity meets the needs of the system power supply. In order to facilitate the power supply of the mains, the mains interface is divided into three groups, two of which are used to power the purification air conditioner 31, and the remaining one is used for the power supply of the equipment in the cabin. The power supply of the equipment in the cabin is divided into high-power, UPS and inverter power supply. The high-power power supply branch is used to power the lifting lighting 9 outside the vehicle, the main power socket 91, the water heating 90, the exhaust fan 98, the extraction middle lighting 72, the sequencing main lighting 73, the electric heater 99 and the fan; the UPS is used to power the system equipment, intelligence, computer and network equipment; the inverter power supply is used to power the refrigerator 35 and the freezer 34 in the extraction room and the sequencing room. At the same time, the inverter power supply has a charging function to charge the additional battery configured. The additional battery is used to power the balance support leg 23, the cable drum and the side pull box 25. The battery isolator is connected between the additional battery and the original vehicle battery to realize mutual charging and borrowing.
[0064] like Fig.14As shown in the figure, the requirements of smart experiments are met through the intelligent control system of the laboratory. The intelligent control system is divided into smart experiments, video conferencing, video monitoring, power management, network management, experimental environment, personnel management and level management. Among them, the experimental environment, personnel management and level management are realized through sensor management. The experimental environment and personnel management are directly read and controlled by the sensor master control. The power supply, liquid level and fireworks alarm management are indirectly read and controlled by the integrated signal given by the special vehicle integrated management system. The level information is collected by the PLC system, and the intelligent terminal master control is responsible for receiving and controlling. When the environment, personnel and level are abnormal, the intelligent terminal master control sends an alarm signal. In addition to the local alarm, there should also be a dry node signal for the cab alarm, and it can provide mobile phone text messages or APP alarm signals.
[0065] The above embodiments are only used to illustrate the present invention, wherein the structure, connection mode and manufacturing process of each component may be changed. Any equivalent transformations and improvements based on the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims
1. A forensic science mobile DNA laboratory, characterized in that: include: The front of the vehicle and the loading platform are mounted on a large Class II chassis; A cab (11) is provided in the front of the vehicle and is used to pull the entire loading platform to move; The upper part of the loading platform is provided with a main cabin body, and the lower front side of the loading platform is provided with a skirt cabin area; The main cabin is divided into three independent sections, namely the front section of the main cabin, the middle section of the main cabin and the rear section of the main cabin, by a front partition wall (19) and a platform partition wall (12); A cabin outer side pull-out platform (18) is provided on one side of the front portion of the main cabin body, the cabin outer side pull-out platform (18) and the front portion of the main cabin body together constitute a sequencing chamber, and the cabin outer side pull-out platform (18) serves as an inlet and outlet passage of the sequencing chamber; A left pull box (25-1) and a right pull box (25-2) are respectively arranged on both sides of the middle part of the main cabin, and the left pull box (25-1) and the right pull box (25-2) together with the middle part of the main cabin form an extraction chamber; The rear part of the main cabin is used as an equipment area; The extraction chamber is used to extract DNA from samples to be tested, the sequencing chamber is used to sequence the extracted DNA, and the equipment area is used to store related equipment; The main cabin is also provided with an intelligent control device, a clean air air conditioner and a ventilation system. The intelligent control device is used to intelligently control each room in the main cabin. The clean air air conditioner and the ventilation system are used to achieve the requirements of negative pressure in the sequencing room and positive pressure in the extraction room by controlling the wind direction, wind volume and wind pressure. The skirt cabin area is used to load survey equipment or auxiliary equipment, and also to provide power for the entire mobile DNA laboratory; The extraction chamber is provided with extraction chamber experimental equipment, extraction chamber conventional equipment and extraction chamber lighting equipment; The extraction chamber experimental equipment comprises a left side experimental platform (3), an extraction chamber front experimental platform (4), an extraction chamber movable experimental chair (6-1), a front center experimental platform (10), a rear center experimental platform (14), a fume hood (13), a right side experimental platform (15) and two extraction chamber experimental terminals (38-1); the left side experimental platform (3) is arranged adjacent to the side wall of the left pull box (25-1), an ultra-clean workbench (2) is arranged at one end of the upper surface of the left side experimental platform (3), and an extraction chamber experimental terminal (38-1) is arranged at the other side; the extraction chamber front experimental platform (4) is arranged at the front of the extraction chamber, and The front center laboratory table (10) and the rear center laboratory table (14) are arranged in the middle of the extraction room, and the front center laboratory table (10) is used as a workstation (44) bearing position, and the rear center laboratory table (14) is used as an experimental analysis and consultation station, and a plurality of extraction room movable laboratory chairs (6-1) are arranged around them; the fume hood (13) and the right side laboratory side table (15) are arranged in close proximity to the side wall of the right pull box (25-2), and a fan is arranged in the fume hood (13), and another extraction room experimental terminal (38-1) is arranged on the right side laboratory side table (15); The conventional equipment of the extraction room includes two wall cabinets (33), a freezer (34), a first refrigerator (35-1), a drawer (36), an observation window (37), a transfer window (45), an extraction room water pool (54), a first cabinet (56), an extraction room exhaust fan (98-1) and an extraction room electric heater (99-1); the two wall cabinets (33) are respectively arranged above the left side experimental table (3) and the right side experimental table (15); the freezer (34), the first refrigerator (35-1) and a plurality of drawers (36) are arranged in a preset frame below the left side experimental table (3); the observation window (37) is arranged on the front partition wall (19), and the transfer window (45) is arranged on one side of the observation window (37), so as to facilitate the personnel of the extraction room and the personnel of the sequencing room to enter The extraction chamber water pool (54) is arranged at the left end of the extraction chamber front experimental side table (4), and a clean water outlet is arranged above the extraction chamber water pool (54), and the other end of the clean water outlet is connected to the clean water tank (88) arranged in the skirt cabin area, and a sewage outlet is arranged below the extraction chamber water pool (54), and the sewage outlet is connected to the sewage tank (89) arranged in the skirt cabin area through a drainage pipe; the first cabinet (56) is arranged at the lower side of the right end of the extraction chamber front experimental side table (4); the extraction chamber exhaust fan (98-1) is arranged below the extraction chamber water pool (54), and the extraction chamber electric heater (99-1) is arranged below the left experimental side table (3) to supplement the indoor heat when the heating capacity of the air conditioner in cold areas is insufficient; The extraction chamber lighting equipment includes side drawer downlights (64), extraction wall cabinet atmosphere lights (69), extraction wall cabinet lower lighting (70), extraction decorative lighting (71), and extraction middle lighting (72); the side drawer downlights (64) are arranged at intervals on the top of the left drawer (25-1) and the right drawer (25-2); the extraction wall cabinet atmosphere lights (69) and the extraction wall cabinet lower lighting (70) are arranged above and below the two wall cabinets (33), respectively; the extraction middle lighting (72) is arranged at the center of the top of the main cabin in the middle of the extraction chamber, and the extraction decorative lighting (71) is arranged around the extraction middle lighting (72); The front of the right side drawer (25-2) is provided with an extraction room personnel entrance and exit door (17) for extraction room personnel to enter and exit, and the extraction room personnel entrance and exit door (17) is provided with a first personnel fingerprint lock (86-1); the front of the side of the right side drawer (25-2) is provided with an equipment entrance and exit door (16) for equipment to enter and exit; the upper middle sides of the right side drawer (25-2) and the left side drawer (25-1) are both provided with a first flip-up window (24-1); the rear of the right side drawer (25-2) is provided with a ventilation shutter that matches the position of the fume hood (13); The left side experimental platform (3), the front experimental platform (4) of the extraction chamber, the front center experimental platform (10), the rear center experimental platform (14), and the right side experimental platform (15) are all made of ceramic physical and chemical plates.
2. A forensic science mobile DNA laboratory as claimed in claim 1, characterized in that: The sequencing room is provided with sequencing room experimental equipment, sequencing room conventional equipment and sequencing room lighting equipment; The sequencing room experimental equipment comprises a sequencing room rear experimental side table (5), a sequencing room movable experimental chair (6-2), a sequencing room front experimental side table (7), a lifting platform (60), a detection instrument position (8) and a sequencing room experimental terminal (38-2); the sequencing room rear experimental side table (5) and the sequencing room front experimental side table (7) are respectively arranged at the rear and front of the sequencing room, and a plurality of sequencing room movable experimental chairs (6-2) are arranged on one side of the sequencing room rear experimental side table (5) and the sequencing room front experimental side table (7); the sequencing room experimental terminal (38-2) is arranged on the sequencing room rear experimental side table (5); the lifting platform (60) is arranged at the upper left end of the sequencing room front experimental side table (7), and the lifting platform (60) is provided with the detection instrument position (8) for placing the detection instrument (50); The conventional equipment of the sequencing room includes a sequencing room wall cabinet (39), a second refrigerator (35-2), a sequencing room water pool (55), a sequencing room exhaust fan (98-2), a sequencing room electric heater (99-2) and a computer host position (59); the sequencing room wall cabinet (39) is arranged above the front laboratory side table (7) of the sequencing room; the second refrigerator (35-2) is arranged below the right end of the front laboratory side table (7) of the sequencing room; the computer host position (59) is arranged on the left side of the second refrigerator (35-2) for placing a computer host; the sequencing room water pool (55) is arranged A clean water outlet is arranged at the left end of the sequencing room rear experimental side table (5) and above the sequencing room water pool (55), the other end of the clean water outlet is connected to a clean water tank (88) arranged in the skirt cabin area, and a sewage outlet below the sequencing room water pool (55) is connected to a sewage tank (89) arranged in the skirt cabin area through a drainage pipe; the sequencing room exhaust fan (98-2) is arranged below the sequencing room water pool (55); the sequencing room electric heater (99-2) is arranged below the right end of the sequencing room rear experimental side table (5) and is used to supplement the indoor heat when the heating capacity of the air conditioner in cold regions is insufficient; The sequencing room lighting equipment comprises a sequencing main lighting (73), a sequencing wall cabinet atmosphere light (74) and a sequencing wall cabinet lower lighting (75); the sequencing main lighting (73) is arranged at intervals in the center of the top of the sequencing room; the sequencing wall cabinet atmosphere light (74) and the sequencing wall cabinet lower lighting (75) are respectively arranged at the upper part and the lower part of the sequencing room wall cabinet (39).
3. A forensic science mobile DNA laboratory as claimed in claim 2, characterized in that: A sequencing room access door (20) is provided on the side wall of the main cabin body located on one side of the sequencing room, a second personnel fingerprint lock (86-2) is provided on the sequencing room access door (20), and the sequencing room access door (20) is connected to a personnel cabin ladder (21) via the cabin outer side pull platform (18), so as to facilitate the entry and exit of sequencing room personnel; A second flip-up window (24-2) is provided in the upper middle portion of the main cabin body located on the other side of the sequencing room, and air outlets (26) are provided on both sides of the lower portion of the second flip-up window (24-2).
4. A forensic science mobile DNA laboratory as claimed in claim 3, characterized in that: A generator (30) is arranged at the lower part of the equipment area (1), and two generator cabin shutter doors (29) are arranged on the two side walls of the equipment area (1) at positions corresponding to the generator (30), and a generator cabin rear door (53) is arranged on the rear wall of the equipment area (1) at a position corresponding to the generator (30).
5. A forensic science mobile DNA laboratory as claimed in claim 4, characterized in that: The clean air air conditioner and ventilation system comprises two clean air conditioners (31), a static pressure air outlet box (47) for a sequencing chamber, a static pressure air outlet box (48) for an extraction chamber, an air duct (49), a venturi valve (61), a diversion static pressure box (62), a diffuser plate (63) for an extraction chamber, and a diffuser plate (68) for a sequencing chamber; the two clean air conditioners (31) are arranged at the upper part of the equipment area (1), and two air conditioner cabin shutter doors (22) are arranged on the two side walls of the equipment area (1) at positions corresponding to the positions of the clean air conditioners (31); an air conditioner rear shutter door (52) is arranged on the rear wall of the equipment area (1) at positions corresponding to the positions of the clean air conditioners (31); and the clean air conditioners The air outlet of the shunt static pressure box (31) is connected to the shunt static pressure box (62) arranged at the top of the equipment area (1); the middle outlet of the shunt static pressure box (62) is connected to the sequencing chamber diffuser plate (68) and the sequencing chamber static pressure outlet box (47) arranged at the top of the rear side of the sequencing chamber via the air duct (49) and the venturi valve (61) arranged at the top of the extraction chamber; the two side outlets of the shunt static pressure box (62) are respectively connected to the two extraction chamber diffuser plates (63) and the extraction chamber static pressure outlet box (48) arranged at the top of the rear side of the extraction chamber via the venturi valve (61), so as to control the wind direction, wind volume and wind pressure in the sequencing chamber and the extraction chamber.
6. A forensic science mobile DNA laboratory as claimed in claim 5, characterized in that: An exterior lift lighting lamp (9) is also provided on the front side of the top of the main cabin; a satellite antenna (40) is provided behind the exterior lift lighting lamp (9); a low roof fence (27) is provided around the top of the main cabin, an electric sunshade (51) is provided inside the low roof fence (27), and an exterior lighting lamp (28) is provided on the top of the cabin below the low roof fence (27); and a balancing support leg (23) is provided at the bottom of the loading platform.
7. A forensic science mobile DNA laboratory as claimed in claim 6, characterized in that: The intelligent control device comprises a video recorder, an in-vehicle control PLC, a side-pull compartment control PLC, a special vehicle integrated management system, a sensor master control, a display control screen (32), a network communication device and an intelligent terminal master control (57); the in-vehicle control PLC, the side-pull compartment control PLC, the special vehicle integrated management system, the sensor master control, the network communication device and the intelligent terminal master control (57) are all arranged in the extraction room and located in a second cabinet (42) on the right side of the experimental side table (4) at the front of the extraction room; a position corresponding to the position of the second cabinet (42) in the sequencing room is also provided for a cabinet inspection door (58) for inspecting the second cabinet (42); a display screen (32) arranged on the platform partition wall (12) for real-time display of relevant information sent by the intelligent terminal master control (57); the video recorder equipment, the in-vehicle control PLC, the side pull compartment control PLC, the special vehicle integrated management system, the sensor master control and the network communication equipment are used to cooperate with the intelligent terminal master control (57) to intelligently control the in-vehicle smart experiments, video conferencing, video monitoring, power management, network management, experimental environment, personnel management and material level management.
8. A forensic science mobile DNA laboratory as claimed in claim 7, characterized in that: The video recorder equipment includes a conference camera system (43), an in-cabin surveillance camera (46), and an out-of-vehicle surveillance camera (41); The conference camera system (43) is arranged at the top center of the rear side of the extraction room and is used to monitor the vicinity of the workstation; There are three monitoring cameras (46) in the cabin, two of which are respectively arranged at the two corners of the top left side of the extraction chamber, and the other is arranged at the top left side of the sequencing chamber, for real-time monitoring of the interior of the sequencing chamber; The vehicle exterior monitoring camera (41) is arranged between the cab and the main cabin and is used to monitor the exterior of the vehicle in real time. The monitoring data of each camera is sent to the smart terminal master control (57).
9. A forensic science mobile DNA laboratory as claimed in claim 7, characterized in that: The in-vehicle control PLC is respectively connected to seat return sensors (77) arranged on the floor of the main cabin around the central laboratory table (14) at the rear of the extraction room and on one side of the laboratory side table (5) at the rear of the sequencing room and the laboratory side table (7) at the front of the sequencing room, ventilation shutter return sensors (79) arranged at the two generator cabin shutter doors (29) and the generator cabin rear door (53) at the lower part of the equipment area (1), ventilation shutter return sensors (84) arranged at the rear of the right side pull box (25-2), lift light return sensors (83) arranged at the lift light (9) outside the vehicle, and balance support leg return sensors arranged at the balance support legs (23) at the four corners at the lower part of the main cabin, and performs signal collection and processing on them; The side drawer control PLC is respectively connected to a workstation lifting sensor and a workstation locking sensor arranged at the extraction chamber workstation (44), a sequencer lifting sensor arranged at the sequencing chamber lifting platform (60), a sequencer locking sensor (82) arranged at the detection instrument position 8, a generator compartment return sensor arranged in the generator compartment, a push-pull tray return sensor arranged at a corresponding position below the laboratory side table in the extraction chamber and the sequencing chamber, a large drawer return sensor, a small drawer return sensor, a side drawer return sensor (76) arranged on the loading platform in the middle of the extraction chamber, a side access door return (85) and a side drawer platform return (87) arranged at the front of the main cabin body corresponding to the sequencing chamber access door (20) and the cabin outer side pull platform (18), a side drawer inversion sensor arranged at the bottom of the side drawer compartment, and a side drawer floor flip plate return sensor arranged at the bottom of the side drawer compartment, and collects and processes their signals; The special vehicle integrated management system is respectively connected to a generator control and parameter reading sensor arranged at the generator (30), a mains power supply parameter reading sensor and a UPS power supply and control signal sensor arranged in the second cabinet (42), a sequencing chamber water tank level sensor arranged at the sequencing chamber water pool, an extraction chamber water tank level sensor arranged at the extraction chamber water pool, a fuel heater tank level arranged at the heater, a generating chamber pyrotechnics sensor arranged in the generating chamber, an air conditioning chamber pyrotechnics sensor arranged in the air conditioning chamber, a lifting chamber pyrotechnics sensor arranged at the top of the extraction chamber, and a sequencing chamber pyrotechnics sensor arranged at the top of the sequencing chamber, and collects and processes their signals; The sensor master control is respectively connected to the extraction room temperature and humidity sensors arranged at the top center of the left drawer (25-1) and the right drawer (25-2), the extraction room pressure difference sensor arranged at the top center of the extraction room, the sequencing room temperature and humidity sensor, the sequencing room pressure difference sensor, the negative pressure fan controller arranged in the small cabinet (65), the refrigerator power failure alarm sensor arranged in the skirt compartment, the sequencing room smart door lock, and the extraction room smart door lock, and collects and processes their signals.
10. A forensic science mobile DNA laboratory as claimed in claim 7, characterized in that: The network communication equipment includes a LAN router, a LAN switch, and a LAN server; The LAN router is respectively connected to the intelligent inspection terminal, the equipment master monitor and the LAN switch; The intelligent testing terminal includes intelligent testing terminal amplification, intelligent testing terminal extraction and intelligent testing terminal electrophoresis arranged in the extraction chamber and the sequencing chamber; The equipment master monitor is used to be connected to the monitoring power supplies of the two amplifiers, the monitoring power supply of the extraction workstation, the monitoring power supply of the sequencer, and the monitoring power supply of the rapid tester; The LAN switch is connected to the LAN server; The LAN server is connected to the ferry terminal server, the public security network server, the public security network switch, and the public security network router in sequence, and the LAN server, the ferry terminal server and the public security network server are also connected to the KVM; the public security network router is also connected to the laptop terminal and the main video + video conferencing equipment respectively.
11. A forensic science mobile DNA laboratory as claimed in claim 7, characterized in that: The skirt cabin area is provided with a power cable reel (94), a power cable (95), an external power interface (96), and a distribution box (97); the distribution box (97) adopts a multi-power supply for power distribution, wherein the AC power supply is powered by a switching mode of the mains power and the generator (30), and the mains power interface is divided into three groups, two of which are used to supply power to the purification air conditioner (31), and the remaining one is used to supply power to the equipment in the cabin; The power consumption of the equipment in the cabin is divided into high-power, UPS and inverter power supply, and the high-power power supply is used to supply power to the vehicle's external lifting lighting (9), the main power socket (91), the water heater (90), the exhaust fan (98), the extraction central lighting (72), the sequencing main lighting (73), the electric heater (99) and the fan; The UPS is used to supply power to system equipment, intelligence, computers and network equipment; The inverter power supply is used to supply power to the first refrigerator (35-1), the second refrigerator (35-2) and the freezer (34) in the extraction room and the sequencing room. At the same time, the inverter power supply has a charging function and is used to charge the configured additional battery. The additional battery is used to supply power to the balance support leg (23), the cable drum and the left pull box (25-1), the right pull box (25-2) and the pull platform (18) outside the cabin, and a battery isolator is connected between the additional battery and the original vehicle battery.
Citation Information
Patent Citations
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