CN115985034A - Smog detection alarm device and battery test box - Google Patents

Abstract

The invention discloses a smoke detection alarm device and a battery test box, wherein the smoke detection alarm device comprises a condenser, a gas-liquid separation piece, a smoke sensing module, a sampling pump, a drainage pump and an alarm, wherein a condensation inlet of the condenser is connected with a cavity to be detected, the gas-liquid separation piece is provided with a first interface, a second interface and a third interface, the second interface is positioned above the third interface, the first interface is connected with a condensation outlet of the condenser, a smoke inlet of the smoke sensing module is connected with the second interface, a sampling inlet of the sampling pump is connected with a smoke outlet of the smoke sensing module, a drainage inlet of the drainage pump is connected with the third interface, the alarm is electrically connected with the smoke sensing module, and the alarm is used for giving an alarm when the smoke sensing module detects that the smoke content is too high. This smog detects alarm device can carry out gas-liquid separation before detecting, reduces the vapor that contains in the gas and to the adverse effect of testing result to smog detects alarm device's detection's accuracy and reliability have been promoted.

Description

Smog detection alarm device and battery test case

Technical Field

The invention relates to the technical field of alarm detection, in particular to a smoke detection alarm device and a battery test box.

Background

Smog detects alarm is the equipment of using very often in experimental facilities, for example in battery environmental test case, for the security that increases in the proof box use, it detects to the concentration of the smog particulate matter in the proof box to need a smog to detect alarm device, there is the fire at the proof box, trigger the alarm before the high-risk condition such as explosion, remind testing personnel or automatic trigger fire extinguishing system to carry out safety processing to the proof box, avoid taking place dangerous accident, injury test operation personnel, damage the proof box.

However, most of the existing smoke detection alarms directly detect the gas in the battery test box, and because the battery test box can generate high-temperature, low-temperature and high-humidity gas in the running process, a detection device in the gas detection equipment belongs to a precise instrument, the normal detection of the detection device can be influenced by moisture contained in the gas, and the accuracy and reliability of smoke detection are reduced.

Disclosure of Invention

The first purpose of the invention is to provide a smoke detection alarm device, which can perform gas-liquid separation before detection, and reduce the adverse effect of water vapor contained in gas on a detection result, thereby improving the detection accuracy and reliability of the smoke detection alarm device.

The second purpose of the invention is to provide a battery test box with the smoke detection alarm device, which has high use reliability and safety.

In order to achieve the technical effects, the technical scheme of the invention is as follows:

the invention discloses a smoke detection alarm device, which comprises: the condensation inlet of the condenser is connected with the cavity to be detected; the gas-liquid separation piece is provided with a first interface, a second interface and a third interface, the second interface is positioned above the third interface, and the first interface is connected with a condensation outlet of the condenser; the smoke inlet of the smoke sensing module is connected with the second interface; the sampling inlet of the sampling pump is connected with the smoke outlet of the smoke sensing module; a drain pump having a drain inlet connected to the third port; the alarm is electrically connected with the smoke sensing module and used for giving an alarm when the smoke sensing module detects that the smoke content is too high.

In some embodiments, the smoke sensing module comprises a housing and a smoke sensor arranged in the housing, wherein the smoke inlet and the smoke outlet are arranged on two opposite side walls of the housing.

In some specific embodiments, a drain opening is further formed in the bottom wall of the housing, and the drain opening is connected with the drain inlet.

In some more specific embodiments, the smoke detection alarm device further comprises a first one-way valve disposed between the drain opening and the drain inlet, the first one-way valve configured to allow one-way flow of fluid from the drain opening toward the drain inlet.

In some embodiments, the smoke detection alarm device further comprises a second one-way valve disposed between the drain inlet and the third interface, the second one-way valve being configured to allow one-way fluid communication from the third interface towards the drain inlet.

In some embodiments, the smoke detection alarm device further comprises a housing, the condenser, the gas-liquid separator, the smoke sensing module, the sampling pump and the drain pump are all arranged in the housing, and the alarm is arranged on the outer side wall of the housing; and radiating holes are formed in the side wall of the shell corresponding to the condenser.

In some specific embodiments, a plurality of brackets are arranged on the inner wall of the housing, and the plurality of brackets are used for mounting the condenser, the gas-liquid separator, the smoke sensing module, the sampling pump and the drainage pump respectively.

In some embodiments, a filter is disposed upstream of the drain inlet of the drain pump.

In some embodiments, the smoke detection alarm device further comprises a water collection tray connected to the drain outlet of the drain pump and the sampling outlet of the sampling pump.

The invention also discloses a battery test box which comprises a box body and the smoke detection alarm device, wherein the box body is used for accommodating a battery to be tested, and is provided with an exhaust port which is connected with the condensation inlet of the condenser.

The smoke detection alarm device has the beneficial effects that: because the condenser and the gas-liquid separation piece that set up, at the testing process, the air current that the effect of sampling pump suction produced has got into the smog sensing module behind condenser and gas-liquid separation piece, and gas becomes relatively dry at the condensation of passing through the condenser and the water-gas separation of gas-liquid separation piece, and smog sensing module is all higher to the detection reliability and the degree of accuracy of dry gas to the accurate control of smog content in the cavity of treating to detect has been ensured.

The battery test box has the beneficial effects that: because including the foretell smog detection alarm device, the gas in the box gets into the smog sensing module after the condensation of condenser and the aqueous vapor separation of gas-liquid separation spare, has promoted the detection precision and the detection reliability of smog sensing module to can in time remind testing personnel or automatic triggering fire extinguishing system to carry out safety processing to the proof box, avoid taking place dangerous accident.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic diagram of the operating principle of a smoke detection alarm device according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a smoke detection alarm device according to an embodiment of the present invention.

Reference numerals:

1. a condenser; 11. a condensation inlet; 12. a condensation outlet;

2. a gas-liquid separation member; 21. a first interface; 22. a second interface; 23. a third interface;

3. a smoke sensing module; 31. a smoke inlet; 32. a smoke outlet; 33. a water outlet;

4. a sampling pump; 41. a sampling inlet; 42. a sampling outlet;

5. draining pump; 51. a drain inlet; 52. a drain outlet;

6. an alarm; 7. a first check valve; 8. a second one-way valve; 9. a housing; 10. a support; 20. a filter; 30. a water collection tray; 40. a fan; 50. and (5) detecting the cavity.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of a smoke detection alarm device of an embodiment of the present invention will be described below with reference to fig. 1 to 2.

The invention discloses a smoke detection alarm device, as shown in fig. 1-2, the smoke detection alarm device comprises a condenser 1, a gas-liquid separation member 2, a smoke sensing module 3, a sampling pump 4, a drainage pump 5 and an alarm 6, wherein a condensation inlet 11 of the condenser 1 is connected with a cavity 50 to be detected, the gas-liquid separation member 2 is provided with a first interface 21, a second interface 22 and a third interface 23, the second interface 22 is positioned above the third interface 23, the first interface 21 is connected with a condensation outlet 12 of the condenser 1, a smoke inlet 31 of the smoke sensing module 3 is connected with the second interface 22, a sampling inlet 41 of the sampling pump 4 is connected with a smoke outlet 32 of the smoke sensing module 3, a drainage inlet 51 of the drainage pump 5 is connected with the third interface 23, the alarm 6 is electrically connected with the smoke sensing module 3, and the alarm 6 is used for alarming when the smoke sensing module 3 detects that the smoke content is too high.

It can be understood that, in the actual use process, the condensation inlet 11 of the condenser 1 needs to be connected to the chamber 50 to be detected, then the sampling pump 4 is started, the gas in the chamber 50 to be detected is pumped out under the pumping action of the sampling pump 4, the pumped gas contains smoke particles and water vapor, when the gas passes through the condenser 1, the water vapor can be changed into liquid drops under the condensation action of the condenser 1, the mixture of the gas and the liquid drops is discharged from the condensation outlet 12 and enters the gas-liquid separation member 2 through the first interface 21, because the second interface 22 is located above the third interface 23, the gas containing lighter smoke particles enters the smoke sensing module 3 from the second interface 22 and is sensed by the smoke sensing module 3, and the heavier liquid drops flow from the third interface 23 to the drain pump 5 and are discharged to the outside under the discharging action of the drain pump 5. In the detection process, the gas reaching the smoke sensing module 3 is relatively dry after being condensed by the condenser 1 and being separated from water and gas by the gas-liquid separating part 2, and the smoke sensing module 3 has higher detection reliability and accuracy on the dry gas, so that the accurate monitoring on the smoke content in the cavity 50 to be detected is ensured.

It should be added that the specific type of the condenser 1 may be a coil structure or a fin structure according to actual needs, and the specific type of the condenser 1 is not limited herein.

Further, in the actual working process, the drainage pump 5 does not need to be kept in the starting state for a long time, and when the drainage pump 5 is not started, the liquid can flow in the related pipeline, but the flowing speed is slow, so that the liquid in the pipeline is more after a period of time, and the liquid is discharged in the set drainage period of the drainage pump 5, and the specific drainage period setting can be set according to the humidity of the test condition set by the cavity 50 to be detected. It is easily understood that the greater the humidity, the higher the drain frequency setting. If the drain pump 5 is continuously turned on, the partially dried gas is also drawn out from the third port 23, and the drain pump 5 is periodically turned on, which can be prevented.

In some embodiments, as shown in fig. 1, the smoke sensing module 3 comprises a housing and a smoke sensor arranged in the housing, and a smoke inlet 31 and a smoke outlet 32 are arranged on two opposite side walls of the housing. It can be understood that the smoke sensor is arranged in the relatively closed shell, on one hand, the smoke sensor is favorable for detecting the content of smoke particles in the airflow, on the other hand, the smoke sensor can be better protected, the smoke sensor is prevented from being exposed in a severe environment, and the service life of the smoke sensor is prolonged.

In some embodiments, as shown in fig. 1, a drain opening 33 is further provided in the bottom wall of the housing, and the drain opening 33 is connected to the drain inlet 51. It will be appreciated that although the separation between the condenser 1 and the gas-liquid separator 2 is performed, the gas flow entering the housing cannot be a hundred percent dry, so that after a long period of operation, liquid can accumulate in the housing, which will affect the normal detection of the smoke sensor, in this embodiment, a drain opening 33 is provided in the bottom wall of the housing, and the drain pump 5 can drain the accumulated liquid from the housing, ensuring that the interior of the housing is always dry, thereby ensuring the detection accuracy of the smoke sensor.

In some more specific embodiments, as shown in fig. 1, the smoke detection alarm device further comprises a first one-way valve 7, the first one-way valve 7 being disposed between the drain opening 33 and the drain inlet 51, the first one-way valve 7 being configured to allow one-way flow of fluid from the drain opening 33 toward the drain inlet 51. Thereby, it is possible to prevent the fluid or gas from flowing into the housing from the drain pump 5, ensure that the inside of the housing is always kept dry, and prevent the introduction of extra gas into the housing, thereby ensuring the detection accuracy of the smoke sensor.

In some embodiments, as shown in fig. 1, the smoke detection alarm device further comprises a second one-way valve 8, the second one-way valve 8 being provided between the drain inlet 51 and the third interface 23, the second one-way valve 8 being configured to allow one-way communication of fluid from the third interface 23 towards the drain inlet 51. Thereby, it is possible to prevent the fluid or gas from flowing from the drain pump 5 into the gas-liquid separator 2, ensure the separation effect of the gas-liquid separator 2, and prevent the introduction of additional gas into the gas-liquid separator 2, thereby ensuring the detection accuracy of the smoke sensor.

In some embodiments, as shown in fig. 2, the smoke detection alarm device further includes a housing 9, the condenser 1, the gas-liquid separation part 2, the smoke sensing module 3, the sampling pump 4 and the drainage pump 5 are all disposed in the housing 9, and the alarm 6 is disposed on an outer side wall of the housing 9; the side wall of the shell 9 corresponding to the condenser 1 is provided with heat dissipation holes. It can be understood that the condenser 1, the gas-liquid separating part 2, the smoke sensing module 3, the sampling pump 4, the drainage pump 5 and the alarm 6 are integrated on the shell 9, so that the smoke detection alarm device can form a whole, and the use is convenient. The alarm 6 is arranged on the outer side wall of the shell 9, so that an operator can see alarm signals conveniently.

In some specific embodiments, as shown in fig. 2, a plurality of brackets 10 are provided on the inner wall of the housing 9, and the plurality of brackets 10 are respectively used for mounting the condenser 1, the gas-liquid separator 2, the smoke sensing module 3, the sampling pump 4 and the drain pump 5. Therefore, the connection stability of the condenser 1, the gas-liquid separator 2, the smoke sensing module 3, the sampling pump 4 and the drain pump 5 in the housing 9 can be ensured, and the stable operation of the smoke detection alarm device can be ensured.

In some embodiments, the alarm 6 comprises a buzzer and/or an alarm light. Therefore, the operator can observe the alarm signal conveniently, corresponding emergency treatment can be carried out timely, and production safety is ensured.

In some embodiments, a filter 20 is provided upstream of the drain inlet 51 of the drain pump 5. This can prevent the contaminants from entering the drain pump 5, and ensure stable operation of the drain pump 5.

In some embodiments, as shown in fig. 1, the smoke detection alarm device further comprises a water collection tray 30, the water collection tray 30 being connected to the drain outlet 52 of the drain pump 5 and the sampling outlet 42 of the sampling pump 4. The water collecting tray 30 is used for collecting wastewater, and prevents water discharged by the drainage pump 5 from polluting the experimental environment.

The embodiment is as follows:

as shown in fig. 1-2, the smoke detection alarm device includes a condenser 1, a gas-liquid separator 2, a smoke sensing module 3, a sampling pump 4, a drainage pump 5, an alarm 6, a housing 9, a first check valve 7, a second check valve 8, a filter 20, and a water collection tray 30. Be equipped with support 10 on the inner wall of casing 9, support 10 is a plurality of, and a plurality of supports 10 are used for installing condenser 1, gas-liquid separation spare 2, smoke sensing module 3, sampling pump 4 and drain pump 5 respectively, and alarm 6 establishes on the lateral wall of casing 9. The condenser 1 is provided with a fan 40 for assisting heat dissipation. Condensation entry 11 of condenser 1 links to each other with wait to detect cavity 50, gas-liquid separation spare 2 has first interface 21, second interface 22 and third interface 23, second interface 22 is located third interface 23 top, first interface 21 links to each other with condensation export 12 of condenser 1, smoke sensing module 3 includes the shell and establishes the smoke transducer in the shell, be equipped with smoke inlet 31 and smoke outlet 32 on two lateral walls of the relative setting of shell, so that smoke can fully flow through smoke transducer's probe, be equipped with outlet 33 on the diapire of shell. The smoke inlet 31 is connected with the second interface 22, the sampling inlet 41 of the sampling pump 4 is connected with the smoke outlet 32 of the smoke sensing module 3, the drainage inlet 51 of the drainage pump 5 is connected with the third interface 23, and the alarm 6 is electrically connected with the smoke sensing module 3. The first check valve 7 is provided between the drain opening 33 and the drain inlet 51, and the first check valve 7 is configured to allow one-way flow of fluid from the drain opening 33 toward the drain inlet 51. The second check valve 8 is provided between the drain inlet 51 and the third port 23, and the second check valve 8 is configured to allow one-way fluid communication from the third port 23 toward the drain inlet 51. The water collecting tray 30 is connected to the drain outlet 52 of the drain pump 5 and the sampling outlet 42 of the sampling pump 4. The strainer 20 is provided between the drain inlet 51 of the drain pump 5 and the drain port 33 and the third port 23.

The smoke detection alarm device of the embodiment has the following advantages:

firstly, the method comprises the following steps: in the using process, the smoke detection alarm device does not need to be placed in the cavity 50 to be detected, which is in a severe environment, so that the service life of the smoke detection alarm device is prolonged;

secondly, the method comprises the following steps: the air flow generated by the suction action of the sampling pump 4 enters the smoke sensing module 3 after passing through the condenser 1 and the gas-liquid separation part 2, the gas is relatively dry after passing through the condensation of the condenser 1 and the gas-liquid separation of the gas-liquid separation part 2, and the smoke sensing module 3 has high detection reliability and accuracy on the dry gas, so that the accurate monitoring on the smoke content in the cavity 50 to be detected is ensured;

thirdly, the steps of: install smoke transducer in a relative confined shell, be favorable to smoke transducer to the detection of smog particle content in the air current on the one hand, on the other hand can protect smoke transducer betterly, avoids smoke transducer to expose in abominable environment, is favorable to prolonging smoke transducer's life.

The invention also discloses a battery test box which comprises a box body and the smoke detection alarm device, wherein the box body is used for accommodating the battery to be tested, and is provided with an exhaust port which is connected with the condensation inlet 11 of the condenser 1. According to the battery test box, due to the fact that the battery test box comprises the smoke detection alarm device, gas in the box body enters the smoke sensing module 3 after being condensed by the condenser 1 and separated by water and gas of the gas-liquid separation piece 2, detection precision and detection reliability of the smoke sensing module 3 are improved, so that a tester can be reminded in time or a fire-fighting system can be triggered automatically to perform safety treatment on the test box, and dangerous accidents are avoided.

Reference throughout this specification to "some embodiments," "other embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiments or examples is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (10)

1. A smoke detection alarm device, comprising:

the device comprises a condenser (1), wherein a condensation inlet (11) of the condenser (1) is connected with a cavity (50) to be detected;

the gas-liquid separation piece (2), the gas-liquid separation piece (2) is provided with a first interface (21), a second interface (22) and a third interface (23), the second interface (22) is positioned above the third interface (23), and the first interface (21) is connected with a condensation outlet (12) of the condenser (1);

a smoke sensing module (3), wherein a smoke inlet (31) of the smoke sensing module (3) is connected with the second interface (22);

the sampling inlet (41) of the sampling pump (4) is connected with the smoke outlet (32) of the smoke sensing module (3);

a drain pump (5), a drain inlet (51) of the drain pump (5) being connected to the third port (23);

the alarm (6), alarm (6) with smoke sensing module (3) electricity is connected, alarm (6) are used for smoke sensing module (3) detect the too high alarm of smog content.

2. The smoke detection alarm device according to claim 1, wherein said smoke sensing module (3) comprises a housing and a smoke sensor provided in said housing, said smoke inlet (31) and said smoke outlet (32) being provided on two oppositely disposed side walls of said housing.

3. The smoke detection alarm device of claim 2, wherein a drain opening (33) is further provided in the bottom wall of said housing, said drain opening (33) being connected to said drain inlet (51).

4. The smoke detection alarm device according to claim 3, further comprising a first one-way valve (7), said first one-way valve (7) being provided between said drain opening (33) and said drain inlet (51), said first one-way valve (7) being configured to allow a one-way flow of fluid from said drain opening (33) towards said drain inlet (51).

5. A smoke detection alarm device according to any one of claims 1-4, further comprising a second one-way valve (8), said second one-way valve (8) being provided between said drain inlet (51) and said third interface (23), said second one-way valve (8) being configured to allow one-way fluid communication from said third interface (23) towards said drain inlet (51).

6. The smoke detection alarm device according to any one of claims 1-4, further comprising a housing (9), wherein said condenser (1), said gas-liquid separator (2), said smoke sensing module (3), said sampling pump (4) and said drain pump (5) are all disposed within said housing (9), and said alarm (6) is disposed on an outer side wall of said housing (9); the shell (9) is provided with heat dissipation holes corresponding to the side walls of the condenser (1).

7. The smoke detection alarm device according to claim 6, wherein a plurality of brackets (10) are arranged on the inner wall of the housing (9), and the plurality of brackets (10) are respectively used for mounting the condenser (1), the gas-liquid separator (2), the smoke sensing module (3), the sampling pump (4) and the drainage pump (5).

8. A smoke detection alarm unit according to any of the claims 1-4, wherein a filter (20) is provided upstream of said drain inlet (51) of said drain pump (5).

9. A smoke detection alarm device according to any of claims 1-4, further comprising a water collection tray (30), said water collection tray (30) being connected to a drain outlet (52) of said drain pump (5) and a sampling outlet (42) of said sampling pump (4).

10. A battery test chamber, characterized in that it comprises a box for housing a battery to be tested and having an exhaust connected to the condensation inlet (11) of the condenser (1), and a smoke detection alarm device according to any one of claims 1 to 9.

Images