CN212060081U - Air detection device and refrigeration equipment - Google Patents
Air detection device and refrigeration equipment Download PDFInfo
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- CN212060081U CN212060081U CN202020487979.0U CN202020487979U CN212060081U CN 212060081 U CN212060081 U CN 212060081U CN 202020487979 U CN202020487979 U CN 202020487979U CN 212060081 U CN212060081 U CN 212060081U
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Abstract
The utility model relates to an air detection device and refrigeration equipment, the air detection device comprises an electric control board, a signal generator, a signal receiver, a temperature sensor and a calculation module (signal control and processing module), the signal generator is arranged on the electric control board; the signal receiver is arranged on the electric control board, and the signal generator and the signal receiver are arranged oppositely; the temperature sensor is used for detecting the temperature of the gas to be detected; the calculation module is electrically connected with the signal generator and the signal receiver and is used for calculating the signal propagation speed; the signal generator and the signal receiver are arranged in an open mode, or an air pipe is arranged between the signal generator and the signal receiver and is provided with an air vent. The utility model discloses technical scheme adopts open design, reduces the ventilation and hinders, solves the problem that "the tuber pipe hinders the tuber pipe inside that takes a breath and arouses, outside oxygen concentration desynchrony/hysteresis", can in time, accurately measure oxygen concentration in the gaseous environment that awaits measuring.
Description
Technical Field
The utility model relates to a quality testing technical field, in particular to empty gas detection surveys device and a refrigeration plant.
Background
An air pipe is arranged between two probes (signal generators and receivers) of an existing air detection device (ultrasonic type sensor) on the market, such as an ultrasonic oxygen sensor, and the air pipe is provided with an air inlet and an air outlet. Under the condition of no forced ventilation, the gas depends on molecular brownian motion, and the exchange between the gas inside and outside the air pipe is realized through the air inlet and the air outlet. The slow molecular motion can cause the problem of inconsistent internal and external gas states of the air pipe. If the ultrasonic oxygen sensor is placed in the gas to be detected in a gradual change state (unstable state), the problem of non-synchronization/hysteresis of the oxygen concentration inside and outside the air pipe can occur, so that the detection result is inaccurate, namely, the detection precision is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an empty gas detection surveys device and refrigeration plant, aim at solving among the prior art empty gas detection surveys device and needs the forced draft measure just can guarantee measurement accuracy, perhaps does not have under the forced draft measure condition, the problem that measurement accuracy degree is low.
In order to achieve the above object, the present invention provides an air detection device, which includes an electric control board, a signal generator, a signal receiver, a temperature sensor, and a calculation module (signal control and processing module), wherein the signal generator is disposed on the electric control board; the signal receiver is arranged on the electric control board, and the signal generator is arranged opposite to the signal receiver; the calculation module is electrically connected with the signal generator and the signal receiver and used for calculating the signal propagation speed; the signal receiver is arranged on the base, the signal generator is arranged on the signal receiver, the signal receiver is arranged on the signal generator, the signal receiver is arranged on the base, and the signal generator is arranged on the signal receiver.
In one embodiment, the signal generator is an ultrasonic generator, and the signal receiver is an ultrasonic receiver.
In an embodiment, the air detection device further comprises an air pipe, the number of the air holes is a plurality, and the air holes are distributed on the air pipe at intervals. The shape of the ventilation opening can be round hole, rectangle, etc.
In one embodiment, the air duct is provided with a mounting bracket, and the mounting bracket is detachably connected with the electric control board through a screw or fixed on the electric control board through plastic hot riveting, welding and gluing.
In one embodiment, the air detection device further comprises a display screen electrically connected to the output of the computing module.
In an embodiment, the air detection device further includes a memory, and the electronic control board has a data interface electrically connected to the memory, and the data interface is electrically connected to the output end of the computing module.
In one embodiment, the air detection device further comprises a comparison module for comparing oxygen content, and the comparison module is electrically connected with the calculation module and the memory respectively.
In one embodiment, the air detection device further comprises a cloud server, the electronic control board is provided with a wired or wireless communication module, and the wired/wireless communication module is in data communication with the cloud server and transmits data stored in the memory to the cloud server.
Furthermore, in order to solve the above problem, the present invention further provides a refrigeration device, which includes a box body and an air detection device as described above, wherein the air detection device is disposed in the box body.
In one embodiment, the box body comprises a shell and an inner container arranged in the shell, and the air detection device is detachably arranged on the inner wall of the inner container.
The utility model discloses technical scheme will signal generator and signal receiver sets up relatively on the automatically controlled board to adopt open design, promptly signal generator with no tuber pipe between the signal receiver keeps apart, perhaps is in signal generator with set up between the signal receiver the tuber pipe, just set up on the tuber pipe and be used for taking a breath the ventilation hole reduces the ventilation of taking a breath and hinders, solves the problem that "tuber pipe hinders the tuber pipe inside that takes a breath and arouses, outside oxygen concentration desynchronized/hysteresis", can in time, accurately measure the concentration of oxygen in the gaseous environment that awaits measuring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of an air detection device according to the present invention;
FIG. 2 is a schematic structural view of another embodiment of the air detecting device of the present invention;
FIG. 3 is a schematic view of the internal structure of the air detecting device of the present invention;
fig. 4 is the utility model discloses ventilation hole shape sketch map on the empty gas detection surveys device wind channel.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
20 | |
| 30 | |
40 | |
| 41 | |
42 | |
| 50 | |
60 | |
| 70 | Memory device |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an air detection device, please refer to fig. 1-3, the air detection device includes an electric control board 30, a signal generator 10, a signal receiver 20 and a calculation module 60, the signal generator 10 is arranged on the electric control board 30; the signal receiver 20 is arranged on the electronic control board 30, and the signal generator 10 is arranged opposite to the signal receiver 20; the calculation module 60 is used for calculating the signal propagation speed, and the calculation module 60 is electrically connected with the signal generator 10 and the signal receiver 20; the signal generator 10 and the signal receiver 20 are arranged in an open manner, or an air pipe 40 is arranged between the signal generator 10 and the signal receiver 20, the air pipe 40 is provided with a vent hole 41, and the vent hole can be in a circular hole shape, a rectangular shape and the like.
The electronic control board 30 has a detection circuit for connecting the signal generator 10, the signal receiver 20 and the calculation module 60 to realize the functions of data interaction or power supply therebetween. The utility model discloses according to aerial detection device's application scene is different, signal generator 10 and signal receiver 20's kind can be according to the difference of using the scene, and chooses for use signal generator 10 and signal receiver 20 that can generate different signals to realize different detection function, and then improve the utility model discloses an extensive adaptability. For example, the signal generator 10 may be an infrared signal generator 10, so that the humidity or temperature in the air is detected by an infrared signal emitted from the infrared signal generator 10; or the signal generator 10 may also be an ultrasonic generator so that the gas content of each gas in the air, etc. is detected by the ultrasonic signal emitted from the ultrasonic generator.
The utility model discloses with signal generator 10 be supersonic generator signal receiver 20 is ultrasonic receiver to detect the gas content of various gases in the air as the example, can understand, under the different circumstances of each gas content in the air, the propagation velocity of ultrasonic wave in the air is also different. The ultrasonic generator and the ultrasonic receiver are arranged oppositely, so that the ultrasonic generator can be aligned with or send signals to the ultrasonic receiver, and then the ultrasonic signals sent by the ultrasonic generator can be propagated to the ultrasonic receiver along a straight line. The calculation module 60 can calculate the propagation speed of the ultrasonic wave according to the distance between the ultrasonic generator and the ultrasonic receiver (i.e., the distance between the ultrasonic generator and the ultrasonic receiver) and the time interval from the ultrasonic generator sending the ultrasonic signal to the ultrasonic receiver receiving the ultrasonic signal, and then compare the propagation speed of the ultrasonic wave with the propagation speed of the ultrasonic wave in the air under the condition that the contents of the gases in the air are different, so as to obtain the contents of the gases in the air.
It should be noted that, a time detection device can also be arranged on the electronic control board 30 and electrically connected to the calculation module 60, so as to detect the ultrasonic generator and the time interval of the level change of the ultrasonic receiver, thereby improving the acquisition accuracy of the time interval of the ultrasonic signal sent by the ultrasonic generator to the time interval of the ultrasonic signal received by the ultrasonic receiver, and improving the detection accuracy of the air detection device.
Specifically, please refer to fig. 1, as an embodiment, the signal generator 10 with be open between the signal receiver 20 and set up, also will the signal generator 10 with the signal receiver 20 directly exposes in the detection environment or directly exposes in waiting to detect gas, thereby pass through the signal generator 10 with when the signal receiver 20 detects, can be directly to the current detection environment or wait to detect the gaseous gas content detection of each gas in the gas, thereby avoid appearing the detection environment or wait to detect and lie in the gas content of each gas of air detection device department and the gas content difference/the hysteresis nature of other positions department in the gas, and then improve the utility model discloses air detection device's detection efficiency. In addition, the air detection device does not need to be provided with an air channel, a fan for driving air to flow and the like, so that the manufacturing cost and the manufacturing process of the air detection device are saved, and the manufacturing efficiency is improved.
Specifically, referring to fig. 2, as another embodiment, in order to avoid that the signal sent by the signal generator 10 is interfered to cause an inaccurate detection result, in this embodiment, the air duct 40 is disposed between the signal generator 10 and the signal receiver 20, that is, the signal sending and receiving between the signal generator 10 and the signal receiver 20 are performed in the air duct 40, so as to avoid that the signal is interfered by the outside, and improve the detection accuracy of the air detection apparatus. However in the above-mentioned in-process be equipped with on the tuber pipe 40 and be used for strengthening in the tuber pipe 40 gaseous with the ventilation hole 41 of the outer gas exchange circulation effect of tuber pipe 40 to avoid appearing the measuring environment or wait to detect to lie in the gas content of each gas of air detection means department and the gas content of other positions department are different/the problem of hysteresis nature, and then improve the detection efficiency of air detection means. In addition, the air detection device does not need to be provided with an air channel, a fan for driving air to flow and the like, so that the manufacturing cost and the manufacturing process of the air detection device are saved, and the manufacturing efficiency is improved.
In order to further improve in the tuber pipe 40 in gaseous with the circulation effect is exchanged to the outside gas of tuber pipe 40, in this embodiment the quantity in ventilation hole 41 is a plurality of to through a plurality of ventilation hole 41 improves in the tuber pipe 40 gaseous with the circulation efficiency is exchanged to the outside gas of tuber pipe 40, and then improves the utility model discloses empty gas detection surveys device's detection efficiency. Moreover, the plurality of vent holes 41 are distributed on the air duct 40 at intervals, so that the air at each position in the air duct 40 can exchange and circulate with the air outside the air duct 40, the uniformity of the air in the air duct 40 is ensured, and the detection accuracy of the air detection device is ensured.
In addition, in this embodiment, the air duct 40 has a mounting bracket 42, the mounting bracket 42 is detachably connected to the electric control board 30 through a screw, and a user can detach or mount the air duct 40 through a screw according to a requirement, so as to meet different application scenarios, thereby improving the compatibility of the air detection device of the present invention and improving the user experience; if other considerations are taken into consideration, the support frame can also be fixed on the electric control board by plastic hot riveting/welding.
The utility model discloses technical scheme will signal generator 10 and signal receiver 20 sets up relatively on the automatically controlled board 30 to adopt open design, promptly signal generator 10 with do not have tuber pipe 40 to keep apart between the signal receiver 20, perhaps signal generator 10 with set up between the signal receiver 20 tuber pipe 40, and set up on the tuber pipe 40 and be used for taking a breath ventilation hole 41 reduces the ventilation of taking a breath and hinders, solves the problem that "the tuber pipe that only has air outlet and air intake hinders the tuber pipe inside, outside oxygen concentration desynchronization/hysteresis that takes a breath and arouses", can in time, accurately measure the concentration of oxygen in the gas environment that awaits measuring.
Further, the air detection device further comprises a memory 70, the electronic control board 30 has a data interface 50 thereon, the data interface 50 is electrically connected to the memory 70, and the data interface 50 is electrically connected to the output end of the calculation module 60. The memory 70 is used for storing the detection result of the air detection device, and after the calculation module 60 calculates the gas content of each gas in the air, the calculation result is sent to the memory 70 through the data interface 50 for storage, so that a user or a maintenance person can trace back the detection result. In addition, the memory 70 may be further configured to store the propagation speed of the ultrasonic wave in the air under the condition that the content of each gas in the air is different, so that after the calculation module 60 obtains the propagation speed of the ultrasonic signal sent by the ultrasonic generator, the propagation speed of the ultrasonic wave in the air under the condition that the content of each gas in the air is different can be mapped one to one, thereby obtaining the content of each gas in the air.
Further, the air detection device further comprises a comparison module for comparing the oxygen content, and the comparison module is electrically connected with the calculation module 60 and the memory 70 respectively. The calculation module 60 obtains the propagation speed of the ultrasonic signal sent by the ultrasonic generator, and then sends the propagation speed to the comparison module, and the comparison module maps and compares the propagation speed of the ultrasonic signal in the air with the propagation speed of the ultrasonic signal in the air under the condition that the propagation speed is different from the propagation speed of the ultrasonic signal in the air one by one so as to obtain the gas content of the oxygen in the air.
Further, empty gas detection surveys device still includes the display screen, the display screen with calculation module 60's output electricity is connected, calculation module 60 calculates behind this ultrasonic's the propagation velocity, contrasts with the propagation velocity of ultrasonic wave in the air under the different circumstances of oxygen content in the air to acquire the gas content of oxygen in the air, later with this gas content send to on the display screen, thereby audio-visual demonstration is for the user, and then improves empty gas detection surveys device's convenient degree.
Further, the air detection device further comprises a cloud server, the electronic control board 30 is provided with a wired or wireless communication module, and the wired/wireless communication module is in data communication with the cloud server and transmits data stored in the memory 70 to the cloud server. In this embodiment, through inciting somebody to action empty gas detection surveys the module and is connected with high in the clouds server, will empty gas detection surveys device's data transmission extremely on the high in the clouds server, thereby realize empty gas detection surveys device's intelligent management.
Furthermore, in order to solve the above problems, the present invention further provides a refrigeration device (not shown), in this embodiment the refrigeration device can be a refrigerator, a freezer, or a cold storage cabinet, the refrigeration device includes a box body and an air detecting device as described above, the air detecting device is disposed in the box body, so as to detect the oxygen content in the air in the refrigeration device, and ensure the freshness of the food in the refrigeration device. The box body of the refrigeration equipment is a closed container when the door body of the box body is closed, so that the gas content of each gas in the air of the box body can be directly detected through the air detection device. It should be noted that, in this embodiment, the distance between the signal generator 10 and the signal receiver 20 can be adjusted according to the volume size of the refrigeration equipment.
The technical scheme of the utility model is that the signal generator 10 and the signal receiver 20 are relatively arranged on the electric control board 30, and an open design mode is adopted, namely, no air pipe 40 is arranged between the signal generator 10 and the signal receiver 20 for isolation, thereby directly measuring the concentration of oxygen in the environment to be measured; or the air duct 40 is arranged between the signal generator 10 and the signal receiver 20, and the air vent 41 for ventilation is formed in the air duct 40, so that the problem that the oxygen concentration in the air duct 40 is asynchronous/sluggish with the external concentration under the condition that the air duct 40 exists is solved.
Specifically, the box includes the shell and sets up inner bag in the shell, empty gas detection surveys the device and can dismantle the setting and be in on the inner wall of inner bag or can dismantle the setting in the drawer of box. In this embodiment, empty gas detection surveys device can directly set up on the inner wall of the inner bag of box or directly set up in the drawer of box, also will signal generator 10 with signal receiver 20 directly exposes in the air of inner bag or drawer to avoid appearing measuring environment or wait to detect and lie in the gas content of empty gas detection surveys device department oxygen and the gas content difference of other positions department leads to the problem that the testing result appears the hysteresis nature, and then improves empty gas detection surveys device's detection efficiency.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. An air detection device, comprising:
an electric control board;
the signal generator is arranged on the electric control board;
the signal receiver is arranged on the electric control board, and the signal generator is arranged opposite to the signal receiver;
the temperature sensing module is arranged on the electric control board and used for detecting the temperature of the gas to be detected and further performing compensation calibration on the temperature of the measured data;
the calculation module or the signal control and processing module is used for calculating the signal propagation speed, and the calculation module is electrically connected with the signal generator and the signal receiver;
the signal receiver is arranged on the base, the signal generator is arranged on the signal receiver, the signal receiver is arranged on the signal generator, the signal receiver is arranged on the base, and the signal generator is arranged on the signal receiver.
2. The air detection apparatus of claim 1, wherein the signal generator is an ultrasonic generator and the signal receiver is an ultrasonic receiver.
3. The air detection device of claim 1, wherein the number of the vent holes is several, several vent holes are distributed on the air pipe at intervals, and the vent holes can be round holes, rectangles and the like.
4. The air detection device of claim 1, wherein the air duct has a mounting bracket thereon, and the mounting bracket is detachably connected with the electronic control board through a screw or fixed on the electronic control board through plastic hot riveting, welding and gluing.
5. The air detection apparatus of claim 1, further comprising a display screen electrically connected to the output of the computing module.
6. The air detection device of claim 1, further comprising a memory, wherein the electronic control board has a data interface thereon, wherein the data interface is electrically connected to the memory, and wherein the data interface is electrically connected to an output of the computing module.
7. The air detection device of claim 6, further comprising a comparison module for comparing oxygen content, the comparison module being electrically connected to the calculation module and the memory, respectively.
8. The aerial detection device of claim 7, further comprising a cloud server, wherein the electronic control board has a wired or wireless communication module, and the wired or wireless communication module is in data communication with the cloud server and transmits data stored in the memory to the cloud server.
9. Refrigeration appliance, characterized in that it comprises a cabinet and an air detection device according to any one of claims 1 to 8, which is arranged in said cabinet.
10. The refrigeration device as recited in claim 9 wherein the cabinet includes an outer shell and an inner container disposed within the outer shell, the air detection device being removably disposed on an inner wall of the inner container or removably disposed in a drawer of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020487979.0U CN212060081U (en) | 2020-04-03 | 2020-04-03 | Air detection device and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020487979.0U CN212060081U (en) | 2020-04-03 | 2020-04-03 | Air detection device and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212060081U true CN212060081U (en) | 2020-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020487979.0U Active CN212060081U (en) | 2020-04-03 | 2020-04-03 | Air detection device and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212060081U (en) |
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2020
- 2020-04-03 CN CN202020487979.0U patent/CN212060081U/en active Active
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