CN210929076U - Miniaturized multi-parameter IVC cage box environment index detection box - Google Patents
Miniaturized multi-parameter IVC cage box environment index detection box Download PDFInfo
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- CN210929076U CN210929076U CN201921991605.6U CN201921991605U CN210929076U CN 210929076 U CN210929076 U CN 210929076U CN 201921991605 U CN201921991605 U CN 201921991605U CN 210929076 U CN210929076 U CN 210929076U
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Abstract
Miniaturized multi-parameter IVC cage box environmental index detects box belongs to medical research field, the utility model discloses a when solving current IVC cage box and detecting a plurality of parameters, it is big because of frequently opening the cage box and cause the air current disturbance, and then lead to the unsafe problem of test result. The utility model comprises a box cover and a bottom cover plate, wherein a circuit board and a sensor are arranged in a cavity formed by buckling the box cover and the bottom cover plate, and a temperature measuring through hole is formed in the center of the top surface of the box cover and used for installing a temperature and humidity sensor; the top surface of the box cover is provided with an open type particulate matter collecting hole with the depth exceeding 5 mm; the outer part of the top surface of the box cover is symmetrically provided with a pair of air flow inlet and outlet holes, the inner part of the top surface of the box cover is correspondingly provided with a pair of hidden air path redirection holes, and two probes of the air flow rate sensor are respectively arranged at the opening ends of the two hidden air path redirection holes; the circular side of the box cover is provided with a pressure guiding hole for connecting the environmental pressure into the environmental pressure detection end of the differential pressure sensor, and the internal pressure detection end of the cage box of the differential pressure sensor is suspended in the inner cavity of the detection box.
Description
Technical Field
The invention belongs to the field of medical research, and relates to a monitoring technology of mouse IVC (independent Ventilated Cages).
Background
In the research of the fields of life science, medicine and pharmacology, animal husbandry and veterinary medicine and the like, the number of the mice used is the largest and the mice used is the fastest, and the mouse IVC cage box is also widely applied. However, single environmental parameter is all detected respectively to single detecting instrument adoption at present mouse IVC cage box's detection home and abroad, if detect a plurality of parameters then need place a plurality of sensors in IVC cage box simultaneously, occupation space is big, and need frequently open the cage box during the detection, this kind of operation causes the influence to the inside air current circulation of cage box, it is big to lead to the testing result to fluctuate, can't really effectively carry out accurate measurement to the gaseous indexes such as velocity of flow and particulate matter concentration of cage box inner loop, thereby it is great to lead to the experimental data error.
Disclosure of Invention
The invention aims to solve the problem that when the existing IVC cage box detects multiple parameters, the airflow disturbance is large due to frequent opening of the cage box, and the test result is inaccurate, and provides a miniaturized multi-parameter IVC cage box environment index detection box.
The environment index detection box of the miniaturized multi-parameter IVC cage box comprises a box cover 1 and a bottom cover plate 2, wherein the box cover 1 is a circular cover body with an arc-shaped convex top surface and a lower opening, a circuit board, a temperature and humidity sensor, a pressure difference sensor, a gas flow velocity sensor and a particulate matter concentration sensor are arranged in a cavity formed by buckling the box cover 1 and the bottom cover plate 2, all the sensors are welded on the circuit board, and data collected by the temperature and humidity sensor, the pressure difference sensor, the gas flow velocity sensor and the particulate matter concentration sensor are wirelessly sent to an upper computer;
the center of the top surface of the box cover 1 is provided with a temperature measuring through hole 101 for mounting a temperature and humidity sensor, and a probe of the temperature and humidity sensor is exposed out of the detection box;
the top surface of the box cover 1 is provided with an open type particulate matter collecting hole 102, the open type particulate matter collecting hole 102 is a circular through hole with the depth exceeding 5mm, and the detection surface of the particulate matter concentration sensor is arranged at the inner opening end of the open type particulate matter collecting hole 102;
a pair of air flow inlet and outlet holes 108 are symmetrically formed in the outer portion of the top surface of the box cover 1, a pair of hidden air path redirection holes 104 are correspondingly formed in the inner portion of the top surface of the box cover 1, the air path direction of the air flow inlet and outlet holes 108 is tangential to the top surface, the air path direction of the hidden air path redirection holes 104 is normal to the top surface, the air flow inlet and outlet holes 108 are communicated with the hidden air path redirection holes 104, and the connecting position of the air flow inlet and outlet holes is; two probes of the gas flow rate sensor are respectively arranged at the opening ends of the two hidden gas path redirection holes 104;
the circular side of the box cover 1 is provided with a pressure guiding hole 107 for connecting the environmental pressure into the environmental pressure detection end of the differential pressure sensor, and the pressure detection end inside the cage box of the differential pressure sensor is suspended in the inner cavity of the detection box.
Preferably, the terminal hole 106 is further included for providing a terminal of the circuit board for electrical connection of the circuit board with an external device.
Preferably, the airflow access holes 108 are in a semi-slotted cambered surface structure.
The invention has the beneficial effects that: IVC cage box environment index detecting system is with temperature and humidity sensor, differential pressure sensor, gas flow velocity sensor, a plurality of sensors such as particulate matter concentration sensor are integrated in an organic whole, adopt miniaturized design, carry out multi-parameter acquisition and information processing through inside integrated microprocessor, the mode through wireless transmission has realized providing each item environmental parameter in the IVC cage box under the condition of not opening the cage box real-time accuracy, make experimental operation flow obtain greatly simplifying, protected cage box internal environment not destroyed simultaneously, experimental data authenticity has been promoted.
This product can perfect current import and domestic mouse IVC cage box and occupy great to cage box inner space when carrying out the multi-parameter measurement, causes the not enough of destruction to the ecological environment in the cage box, through miniaturized multi-parameter integrated design, very big retrencies system size, falls to minimumly with the influence that detecting element caused cage box inner environment, has improved test data's authenticity, has simplified operation flow. If mass production capacity is formed, good economic benefits can be created.
Drawings
FIG. 1 is a schematic view of the IVC cage structure;
FIG. 2 is a schematic structural diagram of a miniaturized multi-parameter IVC cage box environment index detection box according to the present invention;
FIG. 3 is a schematic view showing the inner structure of the upper lid of the cartridge;
FIG. 4 is a schematic structural view of the air flow inlet and outlet hole and the hidden air path redirection hole.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
The first embodiment is as follows: the embodiment is described below with reference to fig. 2 to 4, and the miniaturized multi-parameter IVC cage environment index detection box of the embodiment is characterized by comprising a box cover 1 and a bottom cover plate 2, wherein the box cover 1 is a circular cover body with an arc-shaped convex top surface and a lower opening, a circuit board, a temperature and humidity sensor, a pressure difference sensor, a gas flow velocity sensor and a particulate matter concentration sensor are arranged in a cavity formed by buckling the box cover 1 and the bottom cover plate 2, all the sensors are welded on the circuit board, and data collected by the temperature and humidity sensor, the pressure difference sensor, the gas flow velocity sensor and the particulate matter concentration sensor are wirelessly sent to an upper computer;
the center of the top surface of the box cover 1 is provided with a temperature measuring through hole 101 for mounting a temperature and humidity sensor, and a probe of the temperature and humidity sensor is exposed out of the detection box;
the top surface of the box cover 1 is provided with an open type particulate matter collecting hole 102, the open type particulate matter collecting hole 102 is a circular through hole with the depth exceeding 5mm, and the detection surface of the particulate matter concentration sensor is arranged at the inner opening end of the open type particulate matter collecting hole 102;
a pair of air flow inlet and outlet holes 108 are symmetrically formed in the outer portion of the top surface of the box cover 1, a pair of hidden air path redirection holes 104 are correspondingly formed in the inner portion of the top surface of the box cover 1, the air path direction of the air flow inlet and outlet holes 108 is tangential to the top surface, the air path direction of the hidden air path redirection holes 104 is normal to the top surface, the air flow inlet and outlet holes 108 are communicated with the hidden air path redirection holes 104, and the connecting position of the air flow inlet and outlet holes is; two probes of the gas flow rate sensor are respectively arranged at the opening ends of the two hidden gas path redirection holes 104;
the circular side of the box cover 1 is provided with a pressure guiding hole 107 for connecting the environmental pressure into the environmental pressure detection end of the differential pressure sensor, and the pressure detection end inside the cage box of the differential pressure sensor is suspended in the inner cavity of the detection box.
The airflow inlet and outlet holes 108 are in a semi-open groove type cambered surface structure.
The model of the temperature and humidity sensor is SHT 35.
The model number of the differential pressure sensor is SDP 810.
The gas flow rate sensor is model number HAFBLF0200C4AX 3.
The model number of the particulate matter concentration sensor is GP2Y1010 AU.
The control part that sets up on the circuit board includes microprocessor, power management module, lithium cell group, wireless transmission module, and the lithium cell group provides working power for electrical components and sensor, and microprocessor is used for receiving the data of sensor collection and sends to the host computer through wireless transmission module, and the process of data acquisition, transmission that relate to utilizes prior art to realize, and this embodiment does not expand the explanation to this.
The key point of this embodiment lies in having designed special detection box and having put a plurality of sensors together, each item index data of accurate collection to wireless transmission, and this kind of detection mode only needs open once IVC cage box and puts into the detection box, can be in order to realize detecting multiple indexes such as temperature, humidity, differential pressure, gas flow rate and particulate matter concentration in the IVC cage box and with its wireless transmission to the host computer when not destroying the inside ecological environment of cage box. Because the cage box does not need to be opened frequently, the airflow of the IVC cage box is stable, and the measured result is accurate.
The box cover 1 with a plurality of through holes adopts a 3D printing integrated processing technology. Particularly, the communication part of the airflow inlet and outlet hole 108 and the hidden air path redirection hole 104 is smooth in arc line due to the adoption of 3D printing, so that the circulating airflow in the cage box enters the gas flow velocity sensor in a state without external obstruction, the nondestructive detection of the gas flow velocity is realized, and the airflow circulation in the cage box is protected to the maximum extent.
For guaranteeing to measure the gas velocity under the not destroyed condition of air current circulation in IVC cage box, the design of the outside air current of casing introduces the hole and adopts the half-open slot type cambered surface design of compound fluid mechanics design, has avoided the produced flow resistance of the right angle edge that traditional trompil mode formed, has realized interior concealed gas circuit redirection design through 3D printing technique, has avoided the gas velocity transducer to expose the destruction that causes cage box air current circulation, and has made the space utilization in the shell obtain promoting by a wide margin.
Draw and press hole 107 to adopt 3D to print integrated into one piece technique, greatly simplified the structure that draws and press hole 107, reduced the size to realized that whole casing outer wall does not have outstanding part, further avoided the destruction to air current circulation.
Open particulate matter gathers hole 102 and adopts the design of formula of sinking through-hole, and this hole has certain degree of depth, has avoided particulate matter concentration sensor easily to receive external air current influence when gathering the particulate matter under the free diffusion state in the space and lead to exporting unstable shortcoming through the design to the drilling degree of depth.
The sensor is designed in a modular component mode, the sensor components work independently without interference, the flexible function configuration can be realized, and the installation, the maintenance and the upgrade are convenient.
The main technical indexes of each sensor component are as follows:
(1) temperature: measuring range: -5 ℃ to 60 ℃; precision: plus or minus 0.5 ℃;
(2) humidity: measuring range: 10% RH-90% RH; precision: ± 1.8% RH;
(3) differential pressure: measuring range: 0Pa to 100 Pa; precision: 3 percent;
(4) flow rate: measuring range: 0m/s to 1 m/s; precision: 5% of FS;
(5) particulate matter: measurement range: 0.3-1 μm, 2.5-10 μm;
counting efficiency: 98% (. gtoreq.0.5 μm).
The second embodiment is as follows: this embodiment is different from the first embodiment in that it further includes a terminal hole 106 for providing a terminal of a circuit board, which is used for electrical connection of the circuit board to an external device.
The terminal hole 106 of the present embodiment is idle when detecting environmental parameters in the cage box, and is used when a maintenance person overhauls or upgrades the detection box, and an external device is connected to a control part in the detection box by using the terminal hole 106.
Although the embodiments of the present invention have been described above, the above descriptions are only for the convenience of understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The environment index detection box of the miniaturized multi-parameter IVC cage box is characterized by comprising a box cover (1) and a bottom cover plate (2), wherein the box cover (1) is a circular cover body with an arc-shaped convex top surface and a lower opening, a circuit board, a temperature and humidity sensor, a pressure difference sensor, a gas flow velocity sensor and a particulate matter concentration sensor are arranged in a cavity formed by buckling the box cover (1) and the bottom cover plate (2), all the sensors are welded on the circuit board, and data collected by the temperature and humidity sensor, the pressure difference sensor, the gas flow velocity sensor and the particulate matter concentration sensor are wirelessly sent to an upper computer;
the center of the top surface of the box cover (1) is provided with a temperature measuring through hole (101) for mounting a temperature and humidity sensor, and a probe of the temperature and humidity sensor is exposed out of the detection box;
the top surface of the box cover (1) is provided with an open type particulate matter collecting hole (102), the open type particulate matter collecting hole (102) is a circular through hole with the depth exceeding 5mm, and the detection surface of the particulate matter concentration sensor is arranged at the inner opening end of the open type particulate matter collecting hole (102);
the box cover is characterized in that a pair of air flow inlet and outlet holes (108) are symmetrically formed in the outer portion of the top surface of the box cover (1), a pair of hidden air path redirection holes (104) are correspondingly formed in the inner portion of the top surface of the box cover (1), the air path direction of the air flow inlet and outlet holes (108) is tangential to the top surface, the air path direction of the hidden air path redirection holes (104) is normal to the top surface, the air flow inlet and outlet holes (108) are communicated with the hidden air path redirection holes (104), and the connection position is in a; two probes of the gas flow rate sensor are respectively arranged at the opening ends of the two hidden gas path redirection holes (104);
a pressure guiding hole (107) is formed in the circular side face of the box cover (1) and used for connecting the environmental pressure into an environmental pressure detection end of the differential pressure sensor, and the pressure detection end inside a cage box of the differential pressure sensor is suspended in the inner cavity of the detection box.
2. The miniaturized multi-parameter IVC cage environment index testing box of claim 1, further comprising a terminal hole (106) for disposing a terminal of a circuit board, wherein the terminal is used for electrically connecting the circuit board with an external device.
3. The miniaturized multi-parameter IVC cage environment index detection box of claim 1, wherein the air inlet and outlet holes (108) are of a semi-slotted cambered surface structure.
4. The miniaturized multi-parameter IVC cage environment index detection box of claim 1, wherein the temperature and humidity sensor is a SHT35 chip.
5. The miniaturized multi-parameter IVC cage environment index testing cassette of claim 1, wherein the differential pressure sensor is of type SDP 810.
6. The miniaturized multi-parameter IVC cage environment index detector of claim 1, wherein the gas flow rate sensor is of the type HAFBLF0200C4AX 3.
7. The miniaturized multi-parameter IVC cage environment index detection box of claim 1, wherein the model of the particulate matter concentration sensor is GP2Y1010 AU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991605.6U CN210929076U (en) | 2019-11-18 | 2019-11-18 | Miniaturized multi-parameter IVC cage box environment index detection box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991605.6U CN210929076U (en) | 2019-11-18 | 2019-11-18 | Miniaturized multi-parameter IVC cage box environment index detection box |
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| CN210929076U true CN210929076U (en) | 2020-07-07 |
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| CN201921991605.6U Expired - Fee Related CN210929076U (en) | 2019-11-18 | 2019-11-18 | Miniaturized multi-parameter IVC cage box environment index detection box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112913702A (en) * | 2021-01-21 | 2021-06-08 | 漯河医学高等专科学校 | Sealed animal cage box in independent ventilation laboratory |
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2019
- 2019-11-18 CN CN201921991605.6U patent/CN210929076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112913702A (en) * | 2021-01-21 | 2021-06-08 | 漯河医学高等专科学校 | Sealed animal cage box in independent ventilation laboratory |
| CN112913702B (en) * | 2021-01-21 | 2023-03-03 | 漯河医学高等专科学校 | Sealed animal cage box in laboratory of independently ventilating |
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Granted publication date: 20200707 Termination date: 20211118 |