Over-temperature protection device of program-controlled temperature control system

A technology of over-temperature protection and temperature control system, which is applied in the direction of automatic disconnection emergency protection device, emergency protection circuit device, circuit device, etc., and can solve problems such as overheating damage to heating objects, fires, and heater temperature rise.

Inactive Publication Date: 2019-10-08
广东起时光电科技有限公司
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the microcontroller or other digital controllers have a hardware or software failure, the heating driver is out of control. If the heater is in the power supply heating state at this time, the temperature of the heater will continue to rise, resulting in overheating and damage to the heated object. even cause a fire

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Over-temperature protection device of program-controlled temperature control system
  • Over-temperature protection device of program-controlled temperature control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] see Figure 1-2 , the present invention provides a technical solution of an over-temperature protection device for a program-controlled temperature control system: an over-temperature protection device for a program-controlled temperature control system, comprising a single-chip microcomputer 10, a digital temperature sensor 20, a heating driver 30 and a heater 40, the heating The driver 30 is electrically connected to the heater 40, the enabling end of the heating driver 30 is electrically connected to the trigger output end of the digital temperature sensor 20, and the control input end of the heating driver 30 is connected to the single chip microcomputer 10. The IO control port is electrically connected, and the digital bus interface of the single-chip microcomputer 10 is connected with the digital bus interface of the digital temperature sensor 20; the single-chip microcomputer or other digital controllers write the overtemperature threshold in the digital temperatu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an over-temperature protection device of a program-controlled temperature control system, which comprises a single-chip microcomputer, a digital temperature sensor, a heating driver and a heater, wherein the heating driver is electrically connected with the heater, an enabling end of the heating driver is mutually electrically connected with a trigger output end of the digital temperature sensor, and a control input end of the heating driver is electrically connected with an IO control port of the single-chip microcomputer; the over-temperature threshold is written intothe digital temperature sensor by the single-chip microcomputer or other digital controllers through a data bus, the level changes at one output port when the temperature measurement result of the digital temperature sensor exceeds the preset temperature threshold, the output port is connected with an enabling port of the heating driver, and the output of the heating driver is automatically closed when the level of the output port changes, so that the temperature of the heater is controlled to be always below the set threshold temperature, and the over-temperature protection for a heated object is realized.

Description

technical field [0001] The invention belongs to the technical field of over-temperature protection equipment, and in particular relates to an over-temperature protection device of a program-controlled temperature control system. Background technique [0002] Heater temperature control is widely used in various industries. However, the safety of the heater has also received attention. According to traditional safety regulations, the heater should not experience uncontrolled temperature rises or even fires under a single fault of any device. The traditional solution is mainly to heat A temperature switch is connected in series in the power supply circuit of the heater to detect the temperature of the heater, and when the temperature of the heater reaches a certain limit value, the power supply of the heater is disconnected. There are two types of temperature switches, one is self-recovery and the other is non-self-recovery. The traditional programmable temperature control sys...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H02H5/04
CPCH02H5/04
Inventor 张松伟林小龙余新文朱成清晏正新
Owner 广东起时光电科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap