CN202275015U - Multi-purpose permeable trace evidence fuming cabinet - Google Patents
Multi-purpose permeable trace evidence fuming cabinet Download PDFInfo
- Publication number
- CN202275015U CN202275015U CN2011204207050U CN201120420705U CN202275015U CN 202275015 U CN202275015 U CN 202275015U CN 2011204207050 U CN2011204207050 U CN 2011204207050U CN 201120420705 U CN201120420705 U CN 201120420705U CN 202275015 U CN202275015 U CN 202275015U
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- cabinet
- operating room
- water
- circulation air
- humidifying
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Abstract
The utility model relates to a multi-purpose permeable trace evidence fuming cabinet, which comprises a work chamber, an observation window, a circulation air passage device, an overcharge prevention condensing temperature reducing device, a built-in water supply system and a temperature raising and humidifying device, wherein the work chamber is arranged in a cabinet body, the observation window is embedded and arranged on a cabinet door, the circulation air passage device is arranged in the work chamber, the overcharge prevention condensing temperature reducing device is arranged on the side wall of the cabinet body, the circulation air passage device consists of a circulation air passage and a circulation fan, the circulation air passage consists of a separation plate and a heat insulation layer arranged in the work chamber, the overcharge prevention condensing temperature reducing device comprises a condensing temperature reducing air passage and a temperature reducing and humidity reducing fan, the temperature reducing and humidity reducing fan is arranged at the side wall of the cabinet body, the built-in water supply system comprises a water storage box, a water inlet pump and a water level control box, the temperature raising and humidifying device comprises a temperature raising heating pipe and a humidifying water box, a humidifying heating pipe is arranged in the humidifying water box, a humidifying air outlet is arranged above the humidifying water box, and a humidifying air inlet pipe extending into the work chamber is connected onto the humidifying air outlet. The observation window adopts double-layer hollow heat reflecting conducting film sealing glass, and argon gas is filled in the double-layer glass.
Description
Technical field
The utility model relates to a kind of fumigation dispaly cabinet, and especially a kind of multi-usage perviousness trace evidence fumigation dispaly cabinet belongs to the criminal investigation equipment technical field.
Background technology
In criminal technique; The vestige of perviousness trace evidence extracts; Method commonly used will be passed through the sample of agent treated and put into a closed container; And make the certain temperature of heat-insulation and heat-preservation internal tank maintenance or certain temperature, humidity, and could will display with the vestige on the pretreated sample, claim that usually this equipment is " perviousness trace evidence fumigation dispaly cabinet ".The temperature of different reagent requirements, humidity environment are different.
The trace evidence fumigation dispaly cabinet will be realized stable effect and the good observation property of manifesting, and should satisfy following requirement, and one of which is when running status; Heat, humidification system, make the internal tank working chamber increase temperature, humidity, its two, in the working chamber good circulation method must be arranged; Assurance work cavity temperature, humidity are uniformly, its three, good circuit control method is arranged, so that accurate control moisture temperature; Its four, simple and practical method of supplying water is arranged, can guarantee the moistening function of humidifier, they are five years old; Can satisfy the operation method that multiple different reagent requires in varying environment, humiture, its six, view window should be arranged, and have good observing effect.
The presentation device of prior art is all comparatively backward, and the controllability that shows as humiture is poor, and humiture is inhomogeneous in the working chamber; Ubiquity manifests the effect instability, and to manifest efficient low, defectives such as observability difference, and its reason is; Present trace evidence fumigation dispaly cabinet is all selected family's high-temperature disinfection cabinet transformation of the way for use, mainly be the heat-insulation and heat-preservation function of utilizing its cabinet, but this transformation of the way can produce several problems; The non-professionality of first outward appearance is the disinfection cabinet transformation of the way at a glance, and it two is that the high-temperature disinfection cabinet volume is all very little; Generally about 430 * 380 * 680mm, the useful volume maximum has only 68 liters, be transformed into fumigation dispaly cabinet after; Can only handle a small amount of or smallclothes sample, inefficiency.Its three, can't the design air loop structure in the cabinet, cause that the humiture difference is big up and down in the cabinet, precision is low, i.e. temperature of lower height and upper temp the is low operating room in, the while high bottom of humidity, top humidity is low.Cause to manifest weak effect, and can't solve humiture and overcharge phenomenon; Its four, the cabinet door heat-insulation and heat-preservation of disinfection cabinet is poor, on the glass surface a large amount of steam and condensation is arranged in the cabinet door, observing effect is poor; Its five, heating location design is in working chamber bottom (as shown in Figure 3), it is improper to place like sample, during near heating tube, can cause the destruction of sample; Its six, select for use external family expenses humidifier to shown in the humidification in the cabinet (like Fig. 3), power is little, the humidification time is long, is simply equipped, globality is poor; The reserve tank volume is little, needs often to add water; Its seven, the design of simple CS circuit etc., suchlike deficiency causes the smoked at present backwardness that shows equipment integral.
Current research goes out " the indenes diketone manifests " method in the world in the recent period, and is sensitive more with respect to " triketohydrindene hydrate manifests " method and " DFO manifests " method, it manifest better effects if, can improve and improve existing process for show.Existing perviousness trace evidence fumigation dispaly cabinet mainly is to be revealed as the master to ninhydrin reagent and DFO reagent; " the indenes diketone manifests " method that can't satisfy is to the smoked technical requirement that shows equipment; Therefore all be not provided with by " indenes diketone reagent ", can't increase the smoked of indenes diketone reagent newly and show.
In sum, existing perviousness trace evidence fumigation dispaly cabinet can't satisfy the growing requirement of technique of criminal investigation, and the smoked equipment that shows of a kind of multi-usage trace evidence of development and Design becomes the technical matters that those skilled in the art are badly in need of solving.
The utility model content
Deficiency to the prior art existence; The utility model technical matters to be solved is to provide a kind of multi-usage perviousness trace evidence fumigation dispaly cabinet; Can guarantee the homogeneity of work indoor temperature and humidity; Realization has good observation property to the accurate control of humiture in the working chamber, and supports manifesting of indenes diketone, triketohydrindene hydrate, DFO or newly-increased reagent.
The technical scheme of the utility model is following:
A kind of multi-usage perviousness trace evidence fumigation dispaly cabinet comprises the operating room in the cabinet and is embedded the view window on the cabinet door, it is characterized in that:
It also comprises the circulation air path device be located in the operating room, is located at anti-condensation heat sink, built-in water system and the temperature-increasing moisturizing device of overcharging on the cabinet sidewall.
Said circulation air path device is made up of circulation air path and the circulating fan that is positioned at circulation air path, be located on the heat-insulation layer, and said circulation air path is made up of dividing plate that extends to the bottom along the top, operating room, through the back and the heat-insulation layer in the operating room.Like this, circulation air path circulates in the effect lower edge of circulating fan can to make the work room air, keeps uniform temperature and humidity, improves the stable effect that manifests.
Said circulation air path top is near an end opening of view window, and the bottom is near the end sealing of view window, and said dividing plate is provided with opening.Air can get in the operating room through the opening on the dividing plate, can make the humiture in the operating room more even like this.
Said anti-overcharge the condensation heat sink comprise the condensation cooling air channel be located in the cabinet sidewall heat-insulation layer be located at the cabinet sidewall and with the cooling wet wind fan of operating room's exterior; One end opening in said condensation cooling air channel is on the back of operating room, and other end opening is connected with cooling wet wind fan.Like this, when the work of cooling wet wind fan, cold air gets into from the opening on operating room's back, carries out cold and hot exchange with operating room's outer wall, and cold air converts hot-air into and discharges from cooling wet wind fan mouth.When the operating room heats or humidification when reaching setting value; Temperature and humidity trace also can occur and overcharge phenomenon; At this moment, through the cold and hot exchange in air channel, temperature or humidity in the operating room are descended very soon; Reach the Temperature and Humidity Control requirement, this anti-stability that the condensation heat sink can guarantee humiture in the fumigation dispaly cabinet that overcharges.
Said built-in water system comprises the reserve tank of being located at the top, operating room, intake pump and the water level control box of being located at the below, operating room; Said intake pump is connected with reserve tank through upper hose; Water level control box is connected with reserve tank through downcomer; The sidewall top and the overflow pipe of said reserve tank are connected; Be provided with the water level electric-controlled switch of level monitoring upper limit and lower limit in the said reserve tank, be provided with the water level electric-controlled switch of water level float valve and level monitoring lower limit in the said water level control box.The water inlet of this structure reserve tank and the water filling of water level control box are convenient, can also play the effect of protection equipment.
Said temperature-increasing moisturizing device comprises that being located at operating room's back heats heating tube and the humidification water tank that is located at operating room below from what heat-insulation layer put in circulation air path; Said humidification water tank is connected through connecting pipe and water level control box; Establish the humidification heating tube in the humidification water tank; Humidification water tank top has the humidification gas outlet, connects on the said humidification gas outlet to stretch into the inner humidification draft tube in operating room.Because temperature-increasing moisturizing device and operating room are separated the phenomenon of having avoided sample to be decreased.
Said view window adopts double-deck hollow heat reflection conducting film seal glass, is filled with argon gas in the double glazing.Solved view window inside surface condensation knot water phenomenon.The argon gas that fills in the hollow pair glass of sealing can reduce internal-external heat exchange, and the effect of heat reflection conducting film is promptly can the reverberation source; Reduce internal-external heat exchange, simultaneously, inside surface glass produces heat under constant low electric power effect; Prevent that steam or water smoke from forming; Thoroughly eliminate interior surfaces of glass steam or water smoke, made view window clear bright, had good observing effect.
In sum; The utlity model has and to make the uniform more circulation air path device of humiture, can make Temperature and Humidity Control prevent more accurately overcharging condensation heat sink, rational more built-in water system, professional more temperature-increasing moisturizing device, double-deck hollow heat reflection conducting film seal glass and supporting the control panel that plurality of reagents manifests, guaranteed professional requirement.Therefore, the purposes of the utility model is wider, supports indenes diketone, triketohydrindene hydrate, manifesting of DFO reagent or manifesting of newly-increased reagent.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed description:
Fig. 1 is the diagrammatic cross-section at the utility model cabinet back.
Fig. 2 is the diagrammatic cross-section of the utility model cabinet side.
Fig. 3 is the structural representation of prior art perviousness trace evidence fumigation dispaly cabinet.
Fig. 4 is the schematic perspective view of the utility model.
Fig. 5 is the structural representation of the built-in water system of the utility model.
Fig. 6 is the structural representation of the utility model cabinet door and view window.
Fig. 7 is the structural representation of the utility model view window.
Fig. 8 is the synoptic diagram of the utility model control panel.
Embodiment
As shown in Figure 1; A kind of multi-usage perviousness trace evidence fumigation dispaly cabinet; Comprise in the cabinet 1 operating room 2 be embedded the view window 4 on cabinet door 3, it also comprises the circulation air path device be located in the operating room, is located at anti-condensation heat sink, built-in water system and the temperature-increasing moisturizing device of overcharging on the cabinet sidewall.
As shown in Figure 2; Said circulation air path device is made up of circulation air path 6 and the circulating fan 5 that is positioned at circulation air path, be located on the heat-insulation layer 7, and said circulation air path 6 constitutes by extending to the dividing plate 61 of bottom and the heat-insulation layer in the operating room along the top, operating room, through the back.Like this, circulation air path circulates in the effect lower edge of circulating fan can to make the work room air, keeps uniform temperature and humidity, improves the stable effect that manifests.Said circulation air path 6 tops are near an end opening of view window 4, and the bottom is near the end sealing of view window 4, and said dividing plate is provided with opening 60.Air can get in the operating room through the opening on the dividing plate, can make the humiture in the operating room more even like this.
Like Fig. 1 and shown in Figure 4; Said anti-overcharge the condensation heat sink comprise the condensations cooling air channel 8 be located in the cabinet sidewall heat-insulation layer 7 be located at the cabinet sidewall and with the cooling wet wind fan 9 of operating room's exterior; One end opening in said condensation cooling air channel 8 is on the back of operating room 2, and other end opening is connected with cooling wet wind fan 9.When the work of cooling wet wind fan, cold air gets into from the opening on operating room's back, carries out cold and hot exchange with operating room's outer wall, and cold air converts hot-air into and discharges from cooling wet wind fan mouth.When the operating room heats or humidification when reaching setting value; Temperature and humidity trace also can occur and overcharge phenomenon; At this moment, through the cold and hot exchange in air channel, temperature or humidity in the operating room are descended very soon; Reach the Temperature and Humidity Control requirement, this anti-stability that the condensation heat sink can guarantee humiture in the fumigation dispaly cabinet that overcharges.
Through circulation air path device and the anti-technical design that overcharges the condensation heat sink, guaranteed the technical indicator of new equipment, the relative humidity precision is controlled at ± 3%RH, and temperature accuracy is controlled at ± and 1 ℃.
As shown in Figure 5; Said built-in water system comprises the reserve tank 10 of being located at the top, operating room, intake pump 11 and the water level control box 12 of being located at the below, operating room; Said intake pump is connected with reserve tank through upper hose 110; Water level control box is connected with reserve tank through downcomer 111; The sidewall top and the overflow pipe 112 of said reserve tank are connected, and are provided with the water level electric-controlled switch 101,102 of level monitoring upper limit and lower limit in the said reserve tank, are provided with the water level electric-controlled switch 121 of water level float valve 120 and level monitoring lower limit in the said water level control box 12.
The principle of work of built-in water system is that when the decline of water table in the reserve tank to lowest order, the water level electric-controlled switch (lower limit) in the reserve tank has electric signal to be transferred to governor circuit (not shown), and the lack of water indication is arranged; Press intake pump water filling button (not shown); Water sucks from the water inlet pipe of intake pump, and under pump working pressure, through water on the water pump upper hose to reserve tank; When water level rises to a high position; Water storage tank water level electric-controlled switch (upper limit) has electric signal to be transferred to governor circuit, and governor circuit stops, and intake pump quits work automatically; The downcomer of reserve tank injects water in the water level control box, and passes through the connecting pipe of water level control box and humidification water tank, and water injects the humidification water tank; The water level of water level control box is controlled, and when water level rose, the ball float of water level float valve rose, and until closing water inlet, and keeps the constant water level height.When the water level electric-controlled switch (lower limit) of reserve tank is out of control; When the water level of water level control box dropped to lowest order, the water level electric-controlled switch (lower limit) in the water level control box had electric signal to be transferred to governor circuit, and lack of water indication (not shown) is arranged; Equipment is out of service simultaneously, plays the equipment protection effect; When the water level electric-controlled switch (upper limit) of reserve tank was out of control, water level rose, and water is discharged through the overflow pipe of reserve tank
As shown in Figure 2; Said temperature-increasing moisturizing device comprises that being located at operating room's back heats heating tube 15 and the humidification water tank 13 that is located at the below, operating room from what heat-insulation layer put in circulation air path; Said humidification water tank is connected through water pipe 122 and water level control box 12; Establish humidification heating tube 132 in the humidification water tank 13, humidification water tank top has humidification gas outlet 131, connects on the said humidification gas outlet to stretch into the inner humidification draft tube 14 in operating room.Can find out that humidification heating tube 132 is positioned at the below, operating room, heats heating tube 15 and is separated through dividing plate and operating room, has thoroughly solved the problem that sample is decreased in the prior art.
Like Fig. 6 and shown in Figure 7; Said view window 4 adopts double-deck hollow heat reflection conducting film seal glass, and the upper and lower side of said double-deck hollow heat reflection conducting film seal glass is a sealant 41, and end is similarly sealant (not mark) about it; Be filled with argon gas in the double glazing 42,43 is lead among Fig. 7.Solved view window inside surface condensation knot water phenomenon.The argon gas that fills in the hollow pair glass of sealing can reduce internal-external heat exchange, and the effect of heat reflection conducting film is promptly can the reverberation source; Reduce internal-external heat exchange, simultaneously, inside surface glass produces heat under constant low electric power effect; Prevent that steam or water smoke from forming; Thoroughly eliminate interior surfaces of glass steam or water smoke, made view window clear bright, had good observing effect.
Shown in Figure 8, this is the control panel of utility model, has designed the smoked button b of showing of indenes diketone reagent; The smoked button c of showing of ninhydrin reagent, the smoked button a that shows of DFO reagent reagent except the function that manifests of routine, also are provided with the smoked button d of showing of other reagent; E is the face plate center viewing area, and this zone shows operating room's real-time temperature and instant humidity, and automatic button f and hand push button g are two kinds of action buttons of using pattern of this device; H is a power knob; I is the water storage tank water level display window, and j is the water pump CS, and k is a lighting button.This utility model has been reserved novel agent and has been manifested function, makes the perspective stronger of equipment, and equipment is more advanced.
In sum; The utlity model has and to make the uniform more circulation air path device of humiture, can make Temperature and Humidity Control prevent more accurately overcharging condensation heat sink, rational more built-in water system, professional more temperature-increasing moisturizing device, double-deck hollow heat reflection conducting film seal glass and supporting the control panel that plurality of reagents manifests, guaranteed professional requirement.Therefore, the purposes of the utility model is wider, supports indenes diketone, triketohydrindene hydrate, manifesting of DFO reagent or manifesting of newly-increased reagent.
Claims (7)
1. a multi-usage perviousness trace evidence fumigation dispaly cabinet comprises the operating room (2) in the cabinet (1) and is embedded the view window (4) on cabinet door (3), it is characterized in that:
It also comprises the circulation air path device be located in the operating room, is located at anti-condensation heat sink, built-in water system and the temperature-increasing moisturizing device of overcharging on the cabinet sidewall.
2. multi-usage perviousness trace evidence fumigation dispaly cabinet as claimed in claim 1 is characterized in that:
Said circulation air path device is by circulation air path (6) and be positioned at circulation air path, the circulating fan (5) that is located at heat-insulation layer on (7) forms, and said circulation air path (6) is by the heat-insulation layer formation in the dividing plate (61) that extends to the bottom along the top, operating room, through the back and the operating room.
3. multi-usage perviousness trace evidence fumigation dispaly cabinet as claimed in claim 2 is characterized in that:
Said circulation air path (6) top is near an end opening of view window (4), and the bottom is near the end sealing of view window (4), and said dividing plate is provided with opening (60).
4. multi-usage perviousness trace evidence fumigation dispaly cabinet as claimed in claim 1 is characterized in that:
The said anti-condensation heat sink that overcharges comprises the condensation cooling air channel (8) be located in the cabinet sidewall heat-insulation layer (7) and is located at the cabinet sidewall and fans (9) with the cooling wet wind of operating room's exterior; One end opening in said condensation cooling air channel (8) is on the back of operating room (2), and other end opening is connected with cooling wet wind fan (9).
5. multi-usage perviousness trace evidence fumigation dispaly cabinet as claimed in claim 1 is characterized in that:
Said built-in water system comprises the reserve tank (10) of being located at the top, operating room, intake pump (11) and the water level control box (12) of being located at the below, operating room; Said intake pump is connected with reserve tank through upper hose (110); Water level control box is connected with reserve tank through downcomer (111); The sidewall top of said reserve tank and overflow pipe (112) are connected; Be provided with the water level electric-controlled switch (101,102) of level monitoring upper limit and lower limit in the said reserve tank, be provided with the water level electric-controlled switch (121) of water level float valve (120) and level monitoring lower limit in the said water level control box (12).
6. multi-usage perviousness trace evidence fumigation dispaly cabinet as claimed in claim 1 is characterized in that:
Said temperature-increasing moisturizing device comprises that being located at operating room's back puts in heating heating tube (15) and being located at the humidification water tank (13) of operating room below of circulation air path from heat-insulation layer; Said humidification water tank is connected through connecting pipe (122) and water level control box (12); Establish humidification heating tube (132) in the humidification water tank (13); Humidification water tank top has humidification gas outlet (131), connects on the said humidification gas outlet to stretch into the inner humidification draft tube (14) in operating room.
7. multi-usage perviousness trace evidence fumigation dispaly cabinet as claimed in claim 1 is characterized in that:
Said view window (4) adopts double-deck hollow heat reflection conducting film seal glass, and double glazing is filled with argon gas in (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204207050U CN202275015U (en) | 2011-10-28 | 2011-10-28 | Multi-purpose permeable trace evidence fuming cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204207050U CN202275015U (en) | 2011-10-28 | 2011-10-28 | Multi-purpose permeable trace evidence fuming cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202275015U true CN202275015U (en) | 2012-06-13 |
Family
ID=46195364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204207050U Expired - Lifetime CN202275015U (en) | 2011-10-28 | 2011-10-28 | Multi-purpose permeable trace evidence fuming cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202275015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886750A (en) * | 2015-04-11 | 2015-09-09 | 巩永凯 | Tobacco baking house system used for observing information in tobacco baking house |
-
2011
- 2011-10-28 CN CN2011204207050U patent/CN202275015U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104886750A (en) * | 2015-04-11 | 2015-09-09 | 巩永凯 | Tobacco baking house system used for observing information in tobacco baking house |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Gang Inventor after: Lu Weiming Inventor after: Mi Zhongliang Inventor after: Zhang Weifang Inventor after: Tian Wei Inventor after: Yu Jing Inventor after: Liang Yanlin Inventor after: Cao Bin Inventor before: Wu Gang Inventor before: Lu Weiming Inventor before: Mi Zhongliang Inventor before: Zhang Weifang Inventor before: Tian Wei Inventor before: Yu Jing Inventor before: Liang Yanlin Inventor before: Cao Bin |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
|
| CX01 | Expiry of patent term |