CN211791739U

CN211791739U - Industrial camera applied to high-humidity environment

Info

Publication number: CN211791739U
Application number: CN202020779098.6U
Authority: CN
Inventors: 刘玉麟; 蒋涛
Original assignee: Shanghai Caiqi Electronic Technology Service Co ltd
Current assignee: Shanghai Caiqi Electronic Technology Service Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-10-27
Anticipated expiration: 2030-05-12

Abstract

An industrial camera applied to a high-humidity environment comprises an industrial camera body, a rectification module and an element box, and is also provided with an adsorption material mechanism, a control circuit and a prompt circuit; an opening is formed in one side of a shell of the industrial camera body, and a lower magnet is arranged at the outer end of the opening; the adsorbing material mechanism comprises a color-changing silica gel drying agent, a material frame, an upper magnet, an upper cover and a lower sealing magnet; the side wall of the periphery of the material frame is provided with a plurality of air holes, the allochroic silica gel is positioned in the material frame, the upper end of the material frame is provided with a supporting plate, the upper magnet is arranged on the periphery of the lower end of the supporting plate, the lower sealing magnet is arranged on the periphery of the upper end of the supporting plate, and the lower end of the upper cover is provided with an upper sealing magnet; the upper sealing magnet is adsorbed on the lower sealing magnet, and the upper magnet is adsorbed on the upper end of the lower magnet; the rectification module, the prompt circuit and the control circuit are arranged in the element box and are electrically connected. This internal humid air of industrial camera can effectively be clear away to this novel, and can indicate the user when drier adsorption capacity descends, has guaranteed that industrial camera body is inside to be in dry environment.

Description

Industrial camera applied to high-humidity environment

Technical Field

The utility model relates to an industrial camera technical field, especially an industrial camera for high humid environment.

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 visual screen acquisition is performed on the working process and working personnel of the production equipment.

When the industrial camera is applied to an area with high humidity (such as a steam sterilization room for a food processing factory), the probability that moist air enters the housing from a tiny gap between the housing or the lens of the industrial camera exists, and the entered moist air cannot be discharged from the housing in time, so that the performance of an electronic device in the housing of the industrial camera is easily reduced after a long time, and even the electronic device is damaged, and the industrial camera cannot work normally. Based on the above, provide one kind through the adsorption material effect, can adsorb getting into the interior humid air of casing automatically, and when adsorption material adsorption efficiency variation, can not effectively drive the interior humid air of casing, can in time give the user suggestion and carry out the change of adsorption material, the industrial camera that can effectively guarantee to use seems especially necessary.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the performance of the prior industrial camera is reduced or even damaged because moist air enters the shell when the industrial camera works in a moist environment due to the limit of the structure, the utility model provides an opening arranged at the upper part of the rear end of the shell of the industrial camera body, and has an adsorbing material mechanism which can be conveniently replaced at any time, the space between the adsorbing material mechanism and the opening is effectively sealed by a magnet, in application, the adsorbing material of the adsorbing material mechanism is positioned inside the industrial camera body and can effectively adsorb the moist air entering the shell, when the performance of the adsorbing material is reduced, a user can be prompted to change the adsorbing material in time through the on-site light-emitting diode light-emitting prompt and the short message remote prompt, the condition that the inside of the industrial camera body is in a dry environment is effectively guaranteed, the working performance of the industrial camera body is stable, and the damage probability is reduced.

The utility model provides a technical scheme that its technical problem adopted is:

an industrial camera applied to a high-humidity environment comprises an industrial camera body, a rectification module and an element box, and is characterized by further comprising an adsorption material mechanism, a control circuit and a prompt circuit; an opening is formed in one side of the shell of the industrial camera body, and a lower magnet is installed at the outer end of the opening; the adsorbing material mechanism comprises a plurality of allochroic silica gel drying agents, a material frame, an upper magnet, an upper cover and a lower sealing magnet; the side wall of the periphery of the material frame is provided with a plurality of air holes, the allochroic silica gel is positioned in the material frame, the upper end of the material frame is provided with a supporting plate, the upper magnet is arranged on the periphery of the lower end of the supporting plate, the lower sealing magnet is arranged on the periphery of the upper end of the supporting plate, and the lower end of the upper cover is provided with an upper sealing magnet; the upper sealing magnet is adsorbed on the lower sealing magnet, and the upper magnet is adsorbed on the upper end of the lower magnet; the rectification module, the prompt circuit and the control circuit are arranged in the element box; the power input ends of the control circuit and the two poles of the alternating current power supply are respectively and electrically connected, the alternating current power supply output end of the control circuit and the power input ends of the rectification module are respectively and electrically connected, and the power output ends of the rectification module and the power input ends of the prompt circuit are respectively and electrically connected; and the signal output end of the control circuit is electrically connected with the signal input end of the prompt circuit.

Furthermore, sealing rubber rings are arranged at the lower end of the upper magnet, the upper end of the lower sealing magnet and the lower end of the upper sealing magnet;

further, the size of the upper magnet, the size of the lower sealing magnet and the size of the upper sealing magnet are consistent and larger than the opening area of the shell of the industrial camera body, and the polarities of the lower end of the upper magnet and the upper end of the lower magnet are opposite to each other.

Furthermore, the rectifier module is a rectifier bridge stack which is matched with an electrolytic capacitor, and the positive electrode and the negative electrode of the electrolytic capacitor are respectively connected with

pins

3 and 4 of two power output ends of the rectifier bridge stack.

Furthermore, the control circuit comprises a transformer, a humidity sensitive resistor, a diode, a resistor, an electrolytic capacitor and an adjustable resistor, wherein the humidity sensitive resistor, the diode, the resistor, the electrolytic capacitor and the adjustable resistor are connected through a circuit board in a wiring mode, 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 adjustable resistor and one end of the second adjustable resistor, the other end of the resistor is connected with the cathode of the electrolytic capacitor and the other end of the first adjustable resistor, and the other end of the humidity sensitive resistor and the.

Furthermore, the prompting circuit comprises a short message module, a silicon controlled rectifier, a relay, a resistor and a light emitting diode, wherein the short message module, the silicon controlled rectifier, the relay, the resistor and the light emitting diode are connected through a circuit board in a wiring mode, the anode of the silicon controlled rectifier is connected with one end of the resistor and the anode power input end of the short message module, the cathode of the silicon controlled rectifier is connected with the anode power input end of the relay, the cathode of the relay is connected with the control power input end, the other end of the resistor is connected with the anode of the light emitting diode.

The utility model has the advantages that: this novel adsorption material mechanism passes through magnet and adsorbs on the casing of industry camera body, and the installation and dismantle all very convenient, and because there is sealed cushion between magnet and the magnet to gain good sealed effect, prevented that the aqueous vapor from getting into in the casing between adsorption material mechanism and the casing upper end. In the application of the utility model, when the industrial camera body works in a humid environment and humid air enters the shell to cause the humidity in the shell to increase, the allochroic silica gel can adsorb the humid air; the allochroic silica gel has good performance of absorbing moist air, and can effectively ensure that the shell is in a dry state; when the color-changing silica gel is used, after the color-changing silica gel adsorbs humid air and reaches saturation, when the humidity in the shell reaches a certain value, the control circuit can control the light-emitting diode of the prompting circuit to emit light to give a prompt to a user on site, and can send a short message through the short message module and remotely prompt the user to replace an adsorbing material (the user can subsequently heat the color-changing silica gel to remove moisture and then use the color-changing silica gel in a circulating manner), so that the internal part of the industrial camera body is effectively ensured to be in a dry environment, the working performance of the industrial camera body is stable, and the probability. 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 schematic view of the adsorbing material mechanism and a partial structure of an industrial camera body according to the present invention;

fig. 3 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1 and 2, an industrial camera applied to a high humidity environment includes an industrial camera body 1, a rectifier module 2, an element case 3, an adsorbing material mechanism 4, a control circuit 5, and a presentation circuit 6; when the shell of the industrial camera body 1 is manufactured, a rectangular opening 101 is reserved at the right end of the upper middle part of the shell, and the upper end of the opening 101 is bonded with a rectangular lower permanent magnet 102 with a hollow middle part by using glue; the adsorbing material mechanism 4 comprises a plurality of allochroic silica gel drying agents 45, a rectangular material frame 41 with an open structure at the upper end, a closed structure at the lower end and the peripheral side parts, an upper permanent magnet 42 with a hollow structure in the middle, an upper cover 43 and a lower sealing magnet 44 with a hollow structure in the middle; the peripheral side wall of the material frame 41 is provided with a plurality of open holes 411 as air holes, the allochroic silicagel 45 is positioned in the material frame 41, the diameter of each allochroic silicagel is larger than the inner diameter of each air hole 411, the allochroic silicagel 45 is filled in the material frame 41, the peripheral area of the upper end of the material frame 41 is larger than the peripheral area of the lower end of the material frame and serves as a supporting plate 412, the upper end of the upper magnet 42 is bonded to the periphery of the lower end of the supporting plate 412 through glue, the lower end of the lower sealing magnet 44 is bonded to the periphery of the upper end of the supporting plate 412 through glue, the lower end of the upper cover 43 is bonded; the upper cover 43 is attached to the upper end of the material frame 41 by the upper sealing magnet 431 being attracted to the lower sealing magnet 44, and the material frame 41 is attached to the upper end of the lower magnet 102 by the upper magnet 42 and is further attached to the upper end of the housing of the industrial camera body 1; rectifier module 2, suggestion circuit 6, control circuit 5 install on the circuit board, and the circuit board is installed in component box 3, and component box 3 installs the right-hand member lower part in the casing of industry camera body 1.

As shown in fig. 1 and 2, a rectangular sealing rubber ring 7 having a hollow structure at the middle is adhered to the lower end of the upper magnet 42, the upper end of the lower magnet 102, the upper end of the lower sealing magnet 44, and the lower end of the upper sealing magnet 431. The upper magnet 42, the lower magnet 102, the lower seal magnet 44, and the upper seal magnet 431 have the same size and are larger than the area of the upper end opening 101 of the housing of the industrial camera body 1. The polarities of the lower end of the upper magnet 42 and the upper end of the lower magnet 102, and the lower end of the upper sealing magnet 431 and the upper end of the lower sealing magnet 44 are opposite to each other.

As shown in fig. 3, the rectifier module a1 is a bridge rectifier of type GBU810, and is configured with an electrolytic capacitor C, and the positive and negative poles of the electrolytic capacitor C are respectively connected to the two

power output terminals

3 and 4 of the bridge rectifier a 1. The control circuit comprises a 220V/12V/8W transformer T, a sheet-shaped humidity sensitive resistor RS with the model MS01-B, a resistor R1, an electrolytic capacitor C1, adjustable resistors RP, RP1 and a diode VD, wherein the sheet-shaped humidity sensitive resistor RS, the resistor R1, the electrolytic capacitor C1, the adjustable resistors RP1 and the diode VD are connected through circuit board wiring, the humidity sensitive resistor RS (51) is positioned outside an opening at the middle part of the upper end of the element box 3 so as to be beneficial to detecting the humidity in the industrial camera body 1, one end of the humidity sensitive resistor RS is connected with one end of the resistor R1 and the anode of the diode VD, the cathode of the diode VD is connected with the anode of the electrolytic capacitor C1, one ends of a first adjustable resistor RP and a second adjustable resistor 56ecrp 7, the other end of the resistor R1 is connected with the cathode of the. The prompting circuit comprises a short message module A2, a silicon controlled rectifier VS, a relay K, a resistor R2 and a light emitting diode VL, wherein the short message module A2 and the light emitting diode VL are connected through circuit board wiring, the positive pole of the silicon controlled rectifier VS is connected with one end of a resistor R2, the positive pole power supply input end 1 pin (VCC) of the short message module A2 is connected, the negative pole of the silicon controlled rectifier VS is connected with the positive pole power supply input end of the relay K, the negative pole of the relay K is connected with the control power supply input end, the other end of the resistor R2 is connected with the positive pole of the light emitting diode VL, the light emitting surface of the light emitting diode VL is positioned outside an opening hole at the front end of a shell of the industrial camera body and is beneficial; the short message module A2 is a finished product of a short message alarm module of brand Rongmai, model JC-820C, a mobile phone number card is arranged in the finished product of the short message alarm module, the short message module A2 is provided with two power input ends 1 and 2 pins, eight signal input ends 3-10 pins, after each signal input end inputs a low level signal respectively, the short message module A2 will send a short message through the wireless mobile network, the short message module A2 can store eight short messages with different contents (the detecting personnel in this embodiment pre-edit a non-short message through the self-function of the short message alarm module, the content is 'need to change the adsorption material' and so on), the 3-8 pins of the signal input port are triggered by low level respectively, the sms module a2 (the phone number of the corresponding user to be notified is pre-stored in the sms module a2 by the own function of the sms module a 2) can send the corresponding content eight sms to the mobile phone carried by the user. Two ends of a transformer T primary winding at two power input ends of the control circuit are respectively connected with two poles of a 220V alternating current power supply through leads, two ends of a transformer T secondary winding at an alternating current power supply output end of the control circuit are respectively connected with two ends 1 and 2 pins of a power input end of a rectifying module A1 through leads, and two

ends

3 and 4 pins of a power output of the rectifying module A1 are respectively connected with a silicon controlled rectifier VS anode at two power input ends of the prompting circuit and a power input end of a relay K cathode through leads; the other end of the signal output end adjustable resistor RP1 of the control circuit is connected with the anode of the controllable silicon VS of the signal input end of the prompting circuit through a lead.

As shown in fig. 1, 2 and 3, except that the volume of the housing of the industrial camera body 1 is slightly larger than that of the housing of the industrial camera, the rest of the usage process and principle are completely consistent with those of the industrial camera, and the detailed description is omitted in the embodiment. This novel adsorption material mechanism 4 passes through magnet and adsorbs on the casing of industry camera body 1, it is all very convenient to install and dismantle, and because there is sealed cushion 7 between magnet and the magnet, can gain good sealed effect, prevented that the aqueous vapor from getting into in the casing by between adsorption material mechanism 4 and the industry camera body 1 upper end (can separate adsorption material mechanism 4 and industry camera body 1 when taking off adsorption material mechanism 4 wholly, take out upper cover 43 and can change adsorption material frame 41 internal adsorption humid air saturation back silica gel 45). When the industrial camera body 1 works in a humid environment and humid air enters the shell of the industrial camera body, so that the humidity in the shell is increased, the color-changing silica gel 45 can adsorb the humid air in the shell; the allochroic silica gel 45 has good performance of absorbing moist air and can effectively ensure that the shell is in a dry state. In the control circuit and the prompt circuit, after a 220V power supply enters a primary winding of a transformer T, a secondary winding of the transformer T can output a 12V alternating current power supply, the 12V alternating current power supply enters the other end of a humidity sensitive resistor RS and the other end of a resistor R1 and simultaneously enters two ends of a power supply input end of a rectification module A1,

pins

3 and 4 of the rectification module A1 under the action of an internal circuit of the rectification module A can output a direct current power supply, the direct current power supply enters the two ends of the power supply input end of the prompt circuit, and then the prompt circuit is in; after a 12V alternating current power supply output by a secondary winding of the transformer T enters the other end of the humidity-sensitive resistor RS and the other end of the resistor R1, when the humidity in the shell is small, the resistance value and the voltage division of the humidity-sensitive resistor RS are high (the humidity-sensitive resistor RS is powered by the alternating current power supply to prevent the humidity-sensitive resistor RS from generating a polarization phenomenon), and the voltage division of two ends of the resistor R1 is low, so that the power supply is rectified by a diode VD (VD), filtered by an electrolytic capacitor C1, subjected to voltage reduction and current limitation by an adjustable resistor RP1, enters a voltage of a control electrode of the controlled silicon VS and is lower than a trigger voltage of the controlled silicon VS (lower than 0.8V), the controlled silicon VS cannot be triggered and conducted, a. When the device is used, after the color-changing silica gel 45 adsorbs damp air in the shell to be saturated, if the external damp air continuously enters the shell, the humidity in the shell is gradually increased, due to the influence of the humidity, the resistance value of the humidity-sensitive resistor RS is lower, and the partial pressure between the resistance R1 is lower, so that the voltage obtained at the resistance R1 is increased, the power supply is rectified by a diode VD and filtered by an electrolytic capacitor C1, the voltage is reduced and limited by an adjustable resistor RP1, the voltage of a voltage entering a controlled rectifier VS is higher than the trigger voltage (higher than 0.8V) of the controlled rectifier VS, the controlled rectifier VS is triggered and conducted, and a relay K can be electrically attracted to close the control power supply input end and the normally open contact end; because the normally open contact end of the relay K is connected with the power input end of the cathode of the light-emitting diode VL and the pin 3 of the short message module A2, at the moment, the light-emitting diode VL can be subjected to electroluminescence (the resistor R2 plays a role in reducing voltage and limiting current) to clearly prompt a user on site, meanwhile, the short message module A2 can automatically send a short message for the mobile phone of the user to give a prompt to the user remotely, and the allochroic silicagel 45 absorbs humid air to be saturated and needs to be replaced. The user can know the situation in time after receiving the short message or seeing that the light-emitting diode VL shines, and the color-changing silica gel after absorbing the humid air saturation is changed. Through the circuit action, after the adsorption capacity of the allochroic silica gel 45 in the shell is deteriorated, the humidity in the shell reaches a certain value, the control circuit can control the light-emitting diode VL of the prompting circuit to emit light to give a field prompt to a user, and can send a short message through the short message module, remotely prompt the user to replace an adsorption material (the user can subsequently heat the allochroic silica gel 45 to remove moisture and then recycle the allochroic silica gel 45, the short message module A2 sends a short message prompt to prevent the user from not watching the light-emitting diode VL to emit light on site in time, the replacement of the allochroic silica gel 45 is too late, unnecessary influence is brought to the normal work of the industrial camera body), the internal part of the industrial camera body is effectively ensured to be in a dry environment, the working performance of the. After this novel power switch who closes and transformer T's primary winding connection, whole circuit stop work, when using next time, after putting into the adsorbing material mechanism in the casing of industry camera body again, interval certain time (after the adsorbing material adsorbs humid air a period) turn on power switch again just can.

As shown in fig. 3, in the present invention, the adjustable resistor RP is used in production, and a technician can adjust the sensitivity of humidity detection of the humidity sensitive resistor RS (preset in a room with controllable humidity, the set indoor humidity is the humidity control critical point in the subsequent practical application) according to needs, 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, the subsequent voltage of the humidity sensitive resistor RS (with relatively large resistance) is divided when the humidity in the casing is relatively small, and the voltage of the control electrode entering the thyristor VS through the adjustable resistor RP1 is higher than the trigger voltage, and further, the relay K is powered on to attract, the light emitting diode VL is powered on to work, and the short message module a2 sends a short message, that is, the humidity detection reference of the overall control 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 the shell is relatively high subsequently, the voltage of the humidity-sensitive resistor RS (with relatively small resistance) is divided and then enters the control electrode of the silicon controlled rectifier VS through the adjustable resistor RP1 to be higher than the trigger voltage, further, the relay K is electrified for attraction, the light-emitting diode VL is electrified for work, and the short message module A2 sends a short message, namely the humidity detection benchmark of the whole control circuit is reduced; 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 degree of the control circuit is adjusted, the reference adjustment can be performed by adjusting the adjustable resistor RP1, when the resistance value of the adjustable resistor RP1 is adjusted to be large, then the relative humidity in the shell is large, the humidity sensitive resistor RS is small in resistance and voltage division is small, the voltage of the control electrode entering the silicon controlled rectifier VS is higher than the trigger voltage, further, the relay K is electrified for attraction, the light emitting diode VL is electrified for work, and the short message module A2 sends a short message, namely the humidity detection reference degree of the whole control circuit is lowered; when the resistance value of the adjustable resistor RP1 is adjusted to be small, the relative humidity in the shell is small, the voltage of the resistance of the humidity sensitive resistor RS is large, the voltage of the control electrode entering the silicon controlled rectifier VS is higher than the trigger voltage, and then the relay K is electrified for attraction, the light emitting diode VL is electrified for work, and the short message module A2 sends a short message, namely the humidity detection benchmark degree of the whole control circuit is changed. In the circuit, the model of a diode VD is 1N 4007; the models of the electrolytic capacitors C, C1 are 470 mu F/25V and 4.7 mu F/25V respectively; the resistance R1 is 1M; the specifications of the adjustable resistors RP and RP1 are respectively 68K and 100K; relay K is a DC4100 type 12V relay; the silicon controlled rectifier VS is a model MCR100-1 plastic sealed unidirectional silicon controlled rectifier; the resistance of the resistor R2 is 1.8K; the light emitting diode VL is a red light emitting diode.

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

1. An industrial camera applied to a high-humidity environment comprises an industrial camera body, a rectification module and an element box, and is characterized by further comprising an adsorption material mechanism, a control circuit and a prompt circuit; an opening is formed in one side of the shell of the industrial camera body, and a lower magnet is installed at the outer end of the opening; the adsorbing material mechanism comprises a plurality of allochroic silica gel drying agents, a material frame, an upper magnet, an upper cover and a lower sealing magnet; the side wall of the periphery of the material frame is provided with a plurality of air holes, the allochroic silica gel is positioned in the material frame, the upper end of the material frame is provided with a supporting plate, the upper magnet is arranged on the periphery of the lower end of the supporting plate, the lower sealing magnet is arranged on the periphery of the upper end of the supporting plate, and the lower end of the upper cover is provided with an upper sealing magnet; the upper sealing magnet is adsorbed on the lower sealing magnet, and the upper magnet is adsorbed on the upper end of the lower magnet; the rectification module, the prompt circuit and the control circuit are arranged in the element box; the power input ends of the control circuit and the two poles of the alternating current power supply are respectively and electrically connected, the alternating current power supply output end of the control circuit and the power input ends of the rectification module are respectively and electrically connected, and the power output ends of the rectification module and the power input ends of the prompt circuit are respectively and electrically connected; and the signal output end of the control circuit is electrically connected with the signal input end of the prompt circuit.

2. The industrial camera applied to the high humidity environment as claimed in claim 1, wherein the lower end of the upper magnet and the upper end of the lower magnet, the upper end of the lower seal magnet and the lower end of the upper seal magnet are provided with a sealing rubber ring.

3. The industrial camera for high humidity environment according to claim 1, wherein the upper magnet, the lower seal magnet, and the upper seal magnet are uniform and larger than the opening area of the housing of the industrial camera body, and the polarities of the lower end of the upper magnet and the upper end of the lower magnet, and the polarities of the lower end of the upper seal magnet and the upper end of the lower seal magnet are respectively opposite.

4. The industrial camera applied to the high-humidity environment as claimed in claim 1, wherein the rectifier module is a bridge rectifier, and is configured with an electrolytic capacitor, and the positive pole and the negative pole of the electrolytic capacitor are respectively connected with the 3 and 4 pins of the two power output ends of the bridge rectifier.

5. The industrial camera applied to the high humidity environment as claimed in claim 1, wherein the control circuit comprises a transformer, a humidity sensitive resistor, a diode, a resistor, an electrolytic capacitor, and an adjustable resistor, which are connected by wiring of a circuit board, wherein 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, the other end of the resistor is connected with the cathode of the electrolytic capacitor and the other end of the first adjustable resistor, and the other end of the humidity sensitive resistor, the other end of the resistor and the two ends of the secondary winding of the transformer are respectively connected.

6. The industrial camera applied to the high-humidity environment as claimed in claim 1, wherein the prompting circuit comprises a short message module, a thyristor, a relay, a resistor and a light emitting diode, the short message module, the thyristor, the relay, the resistor and the light emitting diode are connected through a circuit board, a positive pole of the thyristor is connected with one end of the resistor and a positive pole power input end of the short message module, a negative pole of the thyristor is connected with a positive pole power input end of the relay, a negative pole of the relay is connected with a control power input end, the other end of the resistor is connected with a positive pole of the light emitting diode, and a negative pole of.