With the ever-changing technology and the more extensive and meticulous in-depth demands of customers, the dome camera is a very important member of the video surveillance product family. It will surely continue to evolve and update the product as customers demand. Infrared dome cameras are widely used in a variety of indoor environments due to their ease of installation, beauty, and concealment.
The following are some common problems in the installation and use of infrared dome cameras:
Problem 1: Infrared dome camera series shows poor image illumination, white or bright white aperture at night
It should be said that the phenomenon is caused by improper assembly of the machine. When the photosensitive device (photoresistor) is too far away from the infrared hemisphere camera during assembly, it will cause the incomplete start of the infrared lamp to cause the night illumination of the machine to be poor; the phenomenon of white or bright white aperture appears. The infrared light emitted by the infrared light emitting tube is refracted by the dome cover to the lens. To solve this problem, it is necessary to avoid the infrared light refracting to the lens surface. Usually, a sponge ring is used to isolate the lens from the infrared light. The ball cover must be tightly attached during assembly. Sponge ring.
Question 2: Night vision infrared hemisphere camera is normal during the day and white at night
This phenomenon is generally due to the use of reflective materials in the machine environment or in a small space, due to reflection of infrared light, to solve this phenomenon should first determine whether the use of reflective materials, improve the use of the environment as much as possible, and then check the effective infrared machine Whether the distance is in accordance with the actual usage distance; if a long-distance infrared machine is used in a small space, the machine image will be white due to the strong infrared light.
Question 3: Insufficient color reproduction during the day
Do not know if you have noticed that the infrared dome camera color will be more or less color cast during the day, this is the most direct cause of the camera filter problem, the general infrared dome camera uses a certain proportion of infrared light through the double Peak filter, its advantage is low cost, but because natural light contains more infrared components, when it enters the CCD will interfere with color reproduction, such as the green plants become gray and so on (there is a particularly bright environment outside the city ). The use of the IRCUT dual filter effectively solves this problem. The IRCUT dual filter consists of an IR cut filter and a full spectrum optical glass. When the daylight is sufficient, the IR cut filter works, and the CCD is restored. With real colors, when the nighttime light is insufficient, the infrared cut filter automatically moves away, and the full-spectrum optical glass starts to work, making the CCD make full use of all the light, thereby greatly improving the infrared performance.
Problem 4: Infrared dome camera color distortion, color cast
It may be that the white balance switch (AWB) is not set properly, or the ambient light conditions may be changed too much. At this time, check whether the switch setting is in the OFF position and you should think of ways to improve the ambient light conditions.
Question 5: The image of the infrared dome camera is distorted or geometrically distorted
This phenomenon may be a problem with the IR dome camera, the monitor's geometry correction circuit, or problems with the optical lens, or it may be that the characteristic impedance of the video connection cable or device does not match the output impedance of the IR dome camera.
When the above phenomenon occurs, please check whether the used optical lens is abnormal and whether the input impedance switch of the monitor is set at 75, and then check whether the impedance of the video connection cable used is 75.
Question 6: Several dark vertical bars or bars appear on the screen
This situation is generally the output voltage ripple of the machine power supply is too large, should strengthen the filter and use a good performance DC regulated power supply.
Question 7: Infrared dome camera uses auto iris lens image too dark
First check whether the EE/AI function switch is set at the AI ​​side, and secondly check if the LEVEL potentiometer adjustment is appropriate.
Question 8: The image quality of infrared dome cameras is not good
a. Check if the lens is fingerprinted or dirty;
b. Check if the aperture is adjusted well;
c, check the video cable bad contact;
d, check the electronic shutter or white balance settings have no problem;
e. Check if the transmission distance is too far;
f, check the voltage is normal;
g. Check if there is any interference source nearby;
h. Check that the elevator is insulated from the interference when installed in the elevator;
i. Check whether the CS interface is connected.
Question 9: Infrared dome camera without image
First check whether the polarity of the external power supply is correct and whether the output voltage meets the requirements (power supply error: DC12V±10%, AC24V±5%), and then check if the video cable is in good contact; if using a manual iris lens, check whether the aperture is open or not. The aperture lens needs to adjust the LEVEL potentiometer to make the aperture in the right position.
Problem 10: The waterproof and heat dissipation effects are not ideal
After a long time of use, there will be more or less soda in the camera (this phenomenon is mainly concentrated in the northern regions), the main reason for this phenomenon is that the sealing effect of the shell is not enough and the temperature difference is not taken into account when the fashion machine. When the infrared lamp starts to work, it will generate a lot of heat, and at the same time because the heat dissipation effect of the shell is not enough, this will greatly reduce the service life of the camera. To solve this problem, we can consider to make the shell of the infrared dome camera into multiple wire troughs. It is good for heat dissipation.

Truck Crane

A mobile crane is a kind of lifting and handling machinery widely used in ports, workshops, electric power, construction sites and other places. The name of the crane is the uniform title for lifting appliances. They are designed to easily transport to a site and use with different types of load and cargo with little or no setup or assembly. There are four principal types of mobile cranes: truck crane, rough-terrain crane, crawler crane, and floating crane.

A truck crane, also called a truck mounted crane has two parts: the carrier, often referred to as the lower, and the lifting component which includes the boom, referred to as the upper. We mainly supply two kinds truck cranes, one is with the crane with self-made chassis, one is the crane with the truck chassis. About the truck crane, we have 3ton, 4ton, 5ton, 6ton, 8ton, 10ton, 12ton, 16ton, 20ton, 25ton for choice, also can be customized as you required.

Description of Truck Crane:

Model: HWZG-10

Max.lifting weight: 10000Kg

Max.lifting height: 30m

Engine model: YN38PE-1

Power: 85Kw 

Lift speed: 53(95)m/min

Swing speed: 2.6/min

Travel speed: 75Km/h

Outrigger base: 3.97*4.2m

Dimension: 9.525*2.43*3.07m

ruck crane

Truck Crane

Truck Crane,16 Ton Truck Crane,Hydraulic Truck Crane,Mobile Truck Crane

Shandong Hengwang Group Co., Ltd , https://www.hwmac.com