5results about How to "High operating temperature" patented technology

The utility model discloses an anti-fracture LED lamp strip which comprises a flexible circuit board, the top end of the flexible circuit board is fixedly connected with a lamp bead, the top end of the flexible circuit board is fixedly connected with a heat conducting piece, the top end of the flexible circuit board is fixedly connected with a protective rubber plate, and the bottom of the protective rubber plate is provided with a heat dissipation groove. A mounting groove is formed in the bottom of the protective rubber plate, a light-transmitting groove is formed in the top of the mounting groove, and a protruding block is fixedly connected into the mounting groove. The protective rubber plate is additionally arranged on the flexible circuit board, so that the lamp strip is protected when being used, the lamp strip is prevented from being damaged due to contact with other objects, the heat conducting piece is arranged on the flexible circuit board, heat generated during work of the lamp strip can be conducted out and conducted into the heat dissipation holes through the heat dissipation grooves, and therefore the heat is discharged to the outside, and the service life of the lamp strip is prolonged. When the lamp strip is bent, the lamp strip can deform through the protruding blocks in the mounting grooves, and the protruding blocks abut against each other, so that rebounding can be achieved.

The utility model relates to a plunger pump cylinder body which comprises a metal outer cylinder body, a metal framework and a plastic layer. A metal framework is embedded in the plastic layer; the plastic layer and the metal framework are integrally and fixedly connected with the metal outer cylinder body; and the inner side wall of the metal outer cylinder body is fixedly connected with a plastic layer. The utility model has the beneficial effects that the metal framework can increase the mechanical strength of the plastic layer in the metal outer cylinder body, so that the plastic layer cannot deform, fall off and crack; the quality of the plunger pump is improved, so that the plunger pump cylinder body has good negative pressure resistance, positive pressure resistance, cracking resistance and deformation resistance; the plastic layer has a good self-lubricating function, and the problem that the plunger pump cylinder body and the plunger are prone to abrasion due to movement friction is solved. When the plunger pump cylinder body is used, the use temperature of a plunger pump can be increased by 20-30 DEG C (namely, the use temperature of the plunger pump is increased to 90-100 DEG C).

The invention relates to the technical field of piezoelectric device preparation, in particular to a preparation method of a high-temperature piezoelectric transducer and the high-temperature piezoelectric transducer. The method comprises the following steps: selecting a metal substrate and a piezoelectric element with adaptive sizes according to use scene requirements; respectively polishing the bonding surface of the metal substrate and the two electrode surfaces of the piezoelectric element; electrode slurry is printed on the bonding surface and the two electrode surfaces, the bonding surface and one electrode surface of the piezoelectric element are bonded and sintered until the electrode slurry is solidified, a bonding electrode layer is formed between the metal substrate and the piezoelectric element, and the other electrode layer is formed on the side, away from the metal substrate, of the piezoelectric element. The metal substrate and the piezoelectric element are fixedly connected through the combined electrode layer; performing polarization treatment on the sintered piezoelectric element, and applying a polarization electric field through the two electrode layers in the polarization process; electrode leads are connected to the two electrode layers respectively, and the high-temperature piezoelectric transducer is obtained.

The utility model discloses a combined sensor, which is characterized by comprising a decorative plate, a gasket, a shell, a hot plate temperature measurement assembly arranged on the outer side of the gasket and located between the decorative plate and the shell, a limiting ring arranged in the shell, a container temperature measurement displacement detection assembly, an elastic piece and a bottom cover assembly arranged at the opening end of the shell, according to the invention, the thermode is used as a temperature detection element, the temperature detection range of the sensor is greatly expanded, the temperature detection lag of the sensor is effectively reduced, the temperature detection of the container and the electric hot tray and the anti-empty-burning detection are combined into a whole, continuous multi-dimensional detection data are provided for an appliance, and the detection precision is improved. As an important basis for regulating and controlling the power of the electric heating plate or the on-off of a power supply when the appliance is used for cooking control, the problems of the electric heating cooking appliance using a known sensor are solved, and the purpose of developing new categories of the electric heating cooking appliances is achieved.

This application relates to the field of carbon capture wastewater treatment technology, and in particular to a multi-stage purification method and system for absorbents in carbon capture wastewater. The method includes: performing wastewater pretreatment, multi-stage filtration, primary deweighting, distillation purification, and final deep purification steps; the system includes a pretreatment unit, a multi-stage filtration unit, a deweighting unit, a distillation unit, a deep purification unit, and a control unit. This application removes degradation products through the synergistic effect of chemical conditioning and physical filtration, achieves thorough separation of effective components through primary deweighting and distillation fractionation, and combines a vacuum environment to reduce operating temperature and slow down secondary degradation. This application can solve the problem that a single method cannot simultaneously achieve product purity and recovery rate, significantly improves the purity of the regenerated absorbent, realizes efficient resource regeneration of wastewater, reduces system energy consumption and operating costs, and has significant economic and environmental value.