CN211786544U - Novel industrial camera with lens damp-proof and heat dissipation functions - Google Patents
Novel industrial camera with lens damp-proof and heat dissipation functions Download PDFInfo
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- CN211786544U CN211786544U CN202020769438.7U CN202020769438U CN211786544U CN 211786544 U CN211786544 U CN 211786544U CN 202020769438 U CN202020769438 U CN 202020769438U CN 211786544 U CN211786544 U CN 211786544U
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Abstract
The novel industrial camera with the lens damp-proof and heat dissipation functions comprises an industrial camera body, a transformer, a voltage stabilizing module, an element box and a semiconductor refrigeration mechanism; also has a dehumidification mechanism and a control circuit; the semiconductor refrigeration mechanism is arranged at one end of the outer side of the shell of the industrial camera body; the dehumidification mechanism comprises a dehumidification sub-circuit, a fan, an electric heating plate and a shell, wherein the dehumidification sub-circuit, the transformer, the voltage stabilizing module and the control circuit are arranged in the element box; the two side ends of the shell are respectively provided with an air inlet pipe and an air outlet pipe, one side end of the air outlet pipe is positioned in the front of the lens of the industrial camera body, the electric heating plate is arranged in the shell, the shell and the fan are respectively arranged on the outer side of the shell of the industrial camera body, and the air outlet pipe of the fan is connected with the air inlet pipe of the shell; the transformer, the dehumidification sub-circuit, the voltage stabilizing module, the control circuit, the semiconductor refrigeration mechanism, the electric heating plate and the fan are electrically connected. This novel humidity too big before can preventing and the camera lens to can prevent that industrial camera body operating temperature is too high.
Description
Technical Field
The utility model relates to an industrial camera technical field, especially a novel industrial camera who has dampproofing and heat dissipation function of camera lens.
Background
Industrial cameras are a key component in machine vision systems, and their most essential function is to convert light signals into ordered electrical signals to be transmitted to the relevant display system or control system. In the industrial camera application, the camera is often installed near the production equipment in the production area, and the working process of the production equipment, working personnel and the like are subjected to screen acquisition.
The industrial camera is affected by the working environment of an installation area of the industrial camera, when the industrial camera is applied to areas with high humidity and high temperature (such as a high-temperature working environment of a steel rolling workshop and a high-humidity environment generated by steel after cooling and rolling), humid air is gathered in front of the lens to easily generate fog, so that the quality of a shot video of the lens of the industrial camera is deteriorated due to the influence of the fog, and when the temperature of the surrounding environment is too high, the probability that internal components of the industrial camera are damaged due to high temperature is caused, and the influence is brought to the normal work of the industrial camera. Based on the above, it is very necessary to provide an industrial camera capable of automatically removing water mist in front of a lens and preventing the working temperature from being too high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects that the definition of a shot field video is easy to be deteriorated when the existing industrial camera works in a humid environment due to the structural limitation, when the ambient temperature is too high, the probability of damaging the internal components due to high temperature is caused, and the influence is brought to the normal work of the industrial camera, the utility model provides a hot air blown out by a fan through a motor hot plate can effectively heat and evaporate the water at the front end of the lens of the industrial camera body when the ambient humidity is too high and the humidity in front of the lens of the industrial camera body is too high, thereby preventing the definition of the shot video from being poor due to water mist in front of the lens of the industrial camera body, and automatically refrigerating the industrial camera body when the ambient temperature is too high, therefore, the normal work of the industrial camera body is effectively guaranteed, and the damage probability of the novel industrial camera with the functions of moisture prevention and heat dissipation of the lens is reduced.
The utility model provides a technical scheme that its technical problem adopted is:
the novel industrial camera with the lens damp-proof and heat dissipation functions comprises an industrial camera body, a transformer, a voltage stabilizing module, an element box and a semiconductor refrigeration mechanism; it is characterized by also comprising a dehumidification mechanism and a control circuit; the semiconductor refrigeration mechanism is arranged at one end of the outer side of the shell of the industrial camera body, and the cold end of the semiconductor refrigeration sheet is tightly attached to the outer side end of the shell; the dehumidification mechanism comprises a dehumidification sub-circuit, a fan, an electric heating plate and a shell, wherein the dehumidification sub-circuit, the transformer, the voltage stabilizing module and the control circuit are arranged in an element box; the electric heating plate is arranged in the shell, the shell and the fan are respectively arranged on the outer side of the shell of the industrial camera body, and the exhaust pipe of the fan is connected with the shell air inlet pipe; the power output end of the transformer is electrically connected with the power input end of the dehumidification sub-circuit, and the power output end of the voltage stabilizing module is electrically connected with the power input end of the control circuit and the control power input end of the dehumidification sub-circuit; the power supply output end of the control circuit is electrically connected with the power supply input end of the semiconductor refrigerating mechanism; and the power output end of the dehumidification sub-circuit is electrically connected with the electric heating plate and the power input end of the fan respectively.
Further, the voltage stabilizing module is an alternating current to direct current switching power supply module.
The dehumidification sub-circuit of the dehumidification mechanism comprises a humidity-sensitive resistor, a diode, a resistor, an electrolytic capacitor, an adjustable resistor, an NPN triode and a relay, wherein the humidity-sensitive resistor is arranged in front of a lens of the industrial camera body, one end of the humidity-sensitive resistor is connected with one end of the resistor and the anode of the diode, the cathode of the diode is connected with the anode of the electrolytic capacitor, one end of the first and second adjustable resistors and the anode power input end of the relay, the other end of the resistor is connected with the cathode of the electrolytic capacitor, the other end of the first adjustable resistor and the emitter of the NPN triode, the other end of the second adjustable resistor is connected with the NPN base of the NPN triode, and the collector of the NPN triode is connected with the cathode power.
Further, the electric heating plate of the dehumidification mechanism is a PCT constant temperature plate type electric heating plate; the fan is a direct current fan.
Furthermore, the control circuit comprises a normally open contact type temperature switch and a relay, the temperature switch is arranged at the outer end of one side of the shell of the industrial camera body, the temperature sensing surface of the temperature switch is tightly attached to the outside of the shell, one end of the temperature switch is connected with the input end of the relay control power supply, and the other end of the temperature switch is connected with the input end of the relay positive power supply.
The utility model has the advantages that: the utility model discloses in using, when the ambient environment humidity is too big, when the preceding humidity of camera lens that leads to the industry camera body is too big, under dehumidification sub-circuit etc. of dehumidification mechanism, the fan and the electrical heating board of dehumidification mechanism can be with electric work, the fan blows off hot-blast camera lens front end to the industry camera body through the motor hot plate, with moisture effective heating evaporation, because of water smoke before having prevented industry camera body camera lens, leads to the video definition variation of shooting. In this is novel, when the ambient temperature was too high, control circuit can control the work of getting electric of semiconductor refrigeration mechanism, refrigerates for the industry camera body automatically, has effectively guaranteed that industry camera body can normally work from this to the damage probability has been reduced. Based on the above, this is novel has good application prospect.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a circuit diagram of the present invention.
Detailed Description
As shown in fig. 1, the novel industrial camera with lens damp-proof and heat-dissipating functions comprises an industrial camera body 1, a transformer 2, a voltage stabilizing module 3, an element box 4, a semiconductor refrigerating mechanism 5 with a semiconductor refrigerating sheet 51, a heat-dissipating fan 52 and a heat sink 53; the semiconductor refrigeration piece 51 is arranged at the rear side end of the radiator 52 through a screw nut, the radiating fan 52 is arranged at the front side end of the radiator 52 through a screw nut, and the hot end of the semiconductor refrigeration piece 51 is tightly attached to the front side end of the radiator 52; also has a dehumidifying mechanism 6 and a control circuit 7; the semiconductor refrigeration mechanism 6 is arranged at the front side end of the shell of the industrial camera body 1 through a screw nut, and the rear cold end of the semiconductor refrigeration sheet 51 is tightly attached to the front outer side end of the shell; the dehumidifying mechanism 6 comprises a dehumidifying sub-circuit 61, a fan 62, two semiconductor constant-temperature electric heating plates 63 and a rectangular hollow shell 64, wherein the dehumidifying sub-circuit 61, the transformer 2, the voltage stabilizing module 3 and the control circuit 7 are installed on a circuit board, the circuit board is installed in an element box 4, and the element box 4 is installed on the rear side of the upper end of the shell of the industrial camera body 1; the middle of the left side end and the right side end of the housing 64 are respectively welded with an air inlet pipe 641 and an air outlet pipe 642 which are communicated with the inside of the housing, the left side end of the air outlet pipe 642 is bent downwards and is positioned in the middle of the front upper end of the industrial camera body lens 101 (the lens is not shielded), the two electric heating plates 63 are installed at the front end and the rear end of the inside of the housing 64 through screw nuts in a face-to-face mode, the lower end of the housing 64 and the lower end of the fan 62 are respectively installed at the left part and the middle part of the upper end of the shell of the industrial. The rear side of the dehumidification sub-circuit 61 humidity-sensitive resistor 611 of the dehumidification mechanism is independently and vertically adhered and installed at the front side end of a small plastic plate by glue, the rear side of the plastic plate is adhered and connected at the lower front end (not shielding the lens) of the lens barrel of the industrial camera body positioned at the front lower part of the lens 101 by glue so as to conveniently detect the humidity of the front surrounding environment of the lens 101, and other parts of the dehumidification sub-circuit 61 are all positioned in the element box 4. The temperature switch 71 of the control circuit 7 is installed in the middle of the outer end of the front side of the industrial camera body 1 through a screw nut, the temperature sensing surface of the temperature switch is tightly attached to the front side end of the shell 1, and the relay 72 is arranged in the element box 4.
As shown in FIG. 2, the transformer T is a 220V/12V, 5W AC transformer. The voltage stabilizing module A1 is a finished product of a 220V-to-12V direct-current switching power supply module of Ithaceae brand, and has the power of 200W. The power of a semiconductor refrigerating chip B (working voltage direct current 12V) of the semiconductor refrigerating mechanism is 10W, the power of a radiating fan M1 is 5W, and the two power input ends of the radiating fan M1 and the semiconductor refrigerating chip B are respectively connected in parallel through leads. The dehumidification sub-circuit of the dehumidification mechanism comprises a sheet-shaped humidity sensitive resistor RS with the model number of MS01-B, a diode VD, a resistor R1, an electrolytic capacitor C1, adjustable resistors RP and RP1, an NPN triode Q1 and a relay K, and the dehumidification sub-circuit is connected through circuit board wiring; one end of a humidity-sensitive resistor RS is connected with one end of a resistor R1 and the anode of a diode VD, the cathode of the diode VD is connected with the anode of an electrolytic capacitor C1, one end of a first adjustable resistor RP and one end of a second adjustable resistor RP1, and the power supply input end of the anode of a relay K, the other end of the resistor R1 is connected with the cathode of the electrolytic capacitor C1, the other end of the first adjustable resistor RP and the emitter of an NPN triode Q1, the other end of the second adjustable resistor RP1 is connected with the base of the NPN triode Q1, and the collector of the NPN triode Q1 is connected with the power supply input end. The constant temperature electric heating plate RT of the dehumidification mechanism is a PCT constant temperature plate type electric heating plate finished product with working voltage direct current of 12V, power of 15W and heating temperature of 140 ℃; the fan M is a miniature direct current fan with a brand Hongfu model FH50-B-12L-15 and a working voltage of direct current 12V and has a power of 2.5W. The control circuit comprises a flat kick type normally open contact temperature switch finished product SK with the model number of KSD9700 and a relay K1, wherein the temperature of the temperature switch SK is controlled to be 45 ℃, one end of the temperature switch SK is connected with the input end of a control power supply of the relay K1 through a lead, and the other end of the temperature switch SK is connected with the input end of a positive power supply of the relay K1 through a lead.
As shown in fig. 2, two ends of the primary winding at two ends of the power input of the transformer T, two ends 1 and 2 pins of the power input of the voltage stabilizing module a1, and two poles of the ac 220V power supply are respectively connected through wires. Two ends of the secondary winding at two ends of the power output of the transformer T are respectively connected with the other end of the humidity-sensitive resistor RS at two ends of the power input of the dehumidification sub-circuit and the other end of the resistor R1 through leads. Two pins 3 and 4 at the power output end of the voltage stabilizing module A1 are respectively connected with the other end of the temperature switch SK at the power input end of the control circuit and the negative power input end of the relay K1 through leads. The 3 feet of the positive power output end of the voltage stabilizing module A1 are connected with the control power input end of the dehumidification sub-circuit relay K through a lead. The power output end relay K1 normally open contact end and the negative power input end of the control circuit are respectively connected with the power input ends of the semiconductor refrigeration chip B and the cooling fan M of the semiconductor refrigeration mechanism through leads. The normally open contact end and the negative power input end of the relay K at the two ends of the power output of the dehumidification sub-circuit are respectively connected with the two ends of the power input of the electric heating plate RT and the fan M through leads.
As shown in fig. 1 and 2, the functions and principles of the industrial camera body 1 are completely consistent with those of the existing industrial camera, and the description thereof is omitted in this embodiment. After the 220V alternating current power supply enters the two power supply input ends of the voltage stabilizing module A1, pins 3 and 4 of the voltage stabilizing module A1 can output stable 12V power supply under the action of an internal circuit thereof, enter the two power supply input ends of the control circuit and enter a relay K of the dehumidification sub-circuit to control the power supply input ends. In the semiconductor refrigeration mechanism and the control circuit, when the temperature of the shell of the industrial camera body is higher than 45 ℃ due to overhigh surrounding environment, the internal contact of the temperature switch SK is closed, so that the positive pole of a 12V power supply enters the positive pole power supply input end of the relay K1 through the temperature switch SK with the closed contact, and then the relay K1 is electrified to attract the control power supply input end and the normally open contact end to be closed; because the normally open contact end of the relay K1 is connected with the positive power input end of the cooling fan M1 and the semiconductor refrigeration piece B of the semiconductor refrigeration mechanism, and the negative power input ends of the cooling fan M1 and the semiconductor refrigeration piece B are respectively connected with the pins 3 and 4 of the voltage stabilizing module A1, at the moment, the cooling fan M1 and the semiconductor refrigeration piece B are both in an electrified working state, and the semiconductor refrigeration piece B dissipates heat of the shell of the industrial camera body after electrified working, so that the aim of dissipating heat in the industrial camera body is fulfilled; the heat radiation fan M1 mainly radiates the heat generated by the hot end of the semiconductor refrigeration sheet B of the semiconductor refrigeration mechanism after the heat is absorbed by the radiator during the work, thereby ensuring the normal work of the semiconductor refrigeration mechanism; when the temperature of the shell of the industrial camera body is lower than 45 ℃ after the ambient environment is reduced, the internal contact of the temperature switch SK opens, then the relay K1 loses power and does not attract any more, the control power supply input end and the normally open contact end open, and then the cooling fan M1 and the semiconductor refrigeration piece B are both in a power-off and no-work state. Through the aforesaid, this novel during operation just can effectively guarantee that the industry camera body is in to be less than 45 ℃ of temperature work down always, prevents that the high temperature from bringing the influence to its normal work to the probability of industry camera body damage has been reduced.
As shown in fig. 1 and 2, in the dehumidification sub-circuit and the transformer T, after a 220V power supply enters a primary winding of the transformer T, a 12V ac power supply is output from a secondary winding of the transformer T, and then enters the other end of the humidity-sensitive resistor RS and the other end of the resistor R1, when the ambient humidity is low and the humidity in front of the lens of the industrial camera is low, the resistance value of the humidity-sensitive resistor RS is high, the voltage division is high (the humidity-sensitive resistor RS is powered by the ac power supply to prevent polarization), and the voltage division at the two ends of the resistor R1 is low, so that after the power supply is rectified by the diode VD and filtered by the electrolytic capacitor C1, the voltage of the base voltage entering the NPN triode Q1 is lower than 0.7V after the current is reduced and limited by the adjustable resistor RP1, the NPN triode Q1 is not. When the ambient environment humidity is high and the humidity in front of the lens of the industrial camera is high, the resistance value of the humidity sensitive resistor RS is lower, so that the voltage obtained at the resistor R1 is increased, the voltage is rectified by the diode VD and filtered by the electrolytic capacitor C1, the power supply is subjected to voltage reduction and current limitation by the adjustable resistor RP1, the base voltage of the NPN triode Q1 is higher than 0.7V, the NPN triode Q1 is conducted to the collector thereof to output low level to enter the negative power input end of the relay K, then the relay K is electrified to attract the control power input end and the normally open contact end to be closed, because the electric heating plate RT and the positive power input end of the fan M are connected with the normally open contact end of the relay K1, and the electric heating plate RT and the negative power input end of the fan M are communicated with the negative electrode of the electrolytic capacitor C1, at the moment, the electric heating plate RT and the fan M are electrified to work, heat is generated, and the fan M generates, the heat generated by the electric heating plate RT is taken away, and then is sprayed out from the exhaust pipe 642 to heat and evaporate water mist in front of a lens of the industrial camera body, meanwhile, the heat can act on the humidity-sensitive resistor RS from top to bottom, when the water mist in front of the lens is evaporated to be dry basically, the water vapor on the surface of the humidity-sensitive resistor RS can be evaporated to be dry basically, therefore, the resistance value of the humidity-sensitive resistor RS is increased again, the voltage of the base electrode entering the NPN triode Q1 is lower than 0.7V again, the NPN triode Q1 is cut off again, and then the subsequent relay K, the electric heating plate RT and the fan M lose power again and do not work. Under above-mentioned circuit and mechanism combined action, this is novel just can be when having water smoke before the camera lens, and the very first time is with its evaporation, prevents that water smoke from leading to the camera lens of industry camera body fuzzy, causes the influence to making a video recording.
As shown in fig. 2, in the present invention, the function of the adjustable resistor RP is that in production, a technician can adjust the sensitivity of humidity detection of the humidity sensitive resistor RS (preset in a room with controllable humidity, and the set indoor humidity is the humidity control critical point in subsequent practical applications) as required, when the resistance value of the adjustable resistor RP is adjusted to be large, since the divided voltage between the adjustable resistor RP and the humidity sensitive resistor RS becomes large, then when the humidity in front of the lens is relatively small, the base voltage of the humidity sensitive resistor RS (with relatively large resistance) entering the NPN triode Q1 through the adjustable resistor RP1 will be higher than 0.7V, and further, the relay K, the electric heating plate RT, and the fan M all get electric work, that is, the humidity detection reference of the whole humidity detection sub-circuit becomes high; when the resistance value of the adjustable resistor RP is adjusted to be small, because the partial pressure between the adjustable resistor RP and the humidity-sensitive resistor RS is reduced, when the humidity in front of the lens is relatively high, the base voltage of the humidity-sensitive resistor RS (with relatively small resistance) which is subjected to partial pressure and enters the NPN triode Q1 through the adjustable resistor RP1 is higher than 0.7V, and then the relay K, the electric heating plate RT and the fan M are all powered to work, namely the humidity detection benchmark of the whole humidity detection sub-circuit is lowered; in the adjustment, when the relay K is just adjusted to be electrified and attracted, the resistance value of the adjustable resistor RP reaches the resistance value required by adjustment. In practical situations, when the humidity detection reference of the humidity detection sub-circuit is adjusted, the reference can be adjusted by adjusting the adjustable resistor RP1, when the resistance value of the adjustable resistor RP1 is adjusted to be large, the relative humidity of the surrounding environment is large, the resistance of the humidity sensitive resistor RS is small, and the divided voltage is small, the base voltage entering the NPN triode Q1 is higher than 0.7V, and the NPN triode Q1 is further turned on, that is, the humidity detection reference of the whole humidity detection sub-circuit is lowered; when the resistance value of the adjustable resistor RP1 is adjusted to be small, and then the relative humidity of the surrounding environment is small, and the voltage of the humidity sensitive resistor RS is large, the base voltage entering the NPN triode Q1 is higher than 0.7V, and the NPN triode Q1 is turned on, that is, the humidity detection reference degree of the whole humidity detection sub-circuit becomes high. In the circuit, the model of a diode VD is 1N 4007; the model of the electrolytic capacitor C1 is 4.7 mu F/25V; the resistance R1 is 1M; the specifications of the adjustable resistors RP1 and RP2 are 68K and 100K respectively; the model of the NPN triode Q1 is 9013; the relay K, K1 is a DC4123 type 12V relay.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (5)
1. The novel industrial camera with the lens damp-proof and heat dissipation functions comprises an industrial camera body, a transformer, a voltage stabilizing module, an element box and a semiconductor refrigeration mechanism; it is characterized by also comprising a dehumidification mechanism and a control circuit; the semiconductor refrigeration mechanism is arranged at one end of the outer side of the shell of the industrial camera body, and the cold end of the semiconductor refrigeration sheet is tightly attached to the outer side end of the shell; the dehumidification mechanism comprises a dehumidification sub-circuit, a fan, an electric heating plate and a shell, wherein the dehumidification sub-circuit, the transformer, the voltage stabilizing module and the control circuit are arranged in an element box; the electric heating plate is arranged in the shell, the shell and the fan are respectively arranged on the outer side of the shell of the industrial camera body, and the exhaust pipe of the fan is connected with the shell air inlet pipe; the power output end of the transformer is electrically connected with the power input end of the dehumidification sub-circuit, and the power output end of the voltage stabilizing module is electrically connected with the power input end of the control circuit and the control power input end of the dehumidification sub-circuit; the power supply output end of the control circuit is electrically connected with the power supply input end of the semiconductor refrigerating mechanism; and the power output end of the dehumidification sub-circuit is electrically connected with the electric heating plate and the power input end of the fan respectively.
2. The industrial camera with the lens damp-proof and heat dissipation function as claimed in claim 1, wherein the voltage stabilizing module is an ac-to-dc switching power supply module.
3. The novel industrial camera with the lens damp-proof and heat-dissipation function as claimed in claim 1, wherein the dehumidification sub-circuit of the dehumidification mechanism comprises a humidity-sensitive resistor, a diode, a resistor, an electrolytic capacitor, an adjustable resistor, an NPN triode and a relay, which are connected through a circuit board, the humidity-sensitive resistor is installed in front of the lens of the industrial camera body, one end of the humidity-sensitive resistor is connected with one end of the resistor and the anode of the diode, the cathode of the diode is connected with the anode of the electrolytic capacitor, one end of the first and second adjustable resistors and the anode power input end of the relay, the other end of the resistor is connected with the cathode of the electrolytic capacitor, the other end of the first adjustable resistor and the emitter of the NPN triode, the other end of the second NPN adjustable resistor is connected with the base of the NPN triode, and.
4. The novel industrial camera with lens moisture-proof and heat-dissipation functions as claimed in claim 1, wherein the electric heating plate of the dehumidifying mechanism is a PCT thermostatic plate type electric heating plate; the fan is a direct current fan.
5. The novel industrial camera with the lens damp-proof and heat dissipation function as claimed in claim 1, wherein the control circuit comprises a normally open contact temperature switch and a relay, the temperature switch is installed at an outer end of one side of the housing of the industrial camera body, a temperature sensing surface of the temperature switch is tightly attached to the outside of the housing, one end of the temperature switch is connected with the input end of the relay control power supply, and the other end of the temperature switch is connected with the input end of the relay positive power supply.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587903A (en) * | 2021-06-08 | 2021-11-02 | 中绘云图信息科技有限公司 | Photogrammetric device for automatically matching image features and extracting vector diagram |
| CN116132773A (en) * | 2023-04-04 | 2023-05-16 | 合肥埃科光电科技股份有限公司 | Anti-fog system, camera with anti-fog system and control method of camera |
-
2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587903A (en) * | 2021-06-08 | 2021-11-02 | 中绘云图信息科技有限公司 | Photogrammetric device for automatically matching image features and extracting vector diagram |
| CN116132773A (en) * | 2023-04-04 | 2023-05-16 | 合肥埃科光电科技股份有限公司 | Anti-fog system, camera with anti-fog system and control method of camera |
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