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Control system for PTC heater

A control system and heater technology, which is applied in the direction of temperature control using electric methods, can solve problems such as the impact of high-power electrical products, the impact of electrical service life, and the impact of electrical life, to avoid frequent conduction and disconnection actions, Effects of prolonging life, improving service life and safety

Active Publication Date: 2014-02-12
JILONG PLASTIC PROD JIANGSU CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at the moment of starting the PTC heating element, especially the moment when multiple sets of PTC heating elements are starting at the same time, a large inrush current will be generated, which is far beyond the normal working current, and has a great impact on the service life of the electrical appliance. , the impact on high-power electrical products is particularly obvious
The impact current of the PTC heating element on the life of the electrical appliance has not been paid attention to and solved by the manufacturer at present. It is urgent to solve the problem of the impact current of the PTC heating element so that the PTC heating element can be better used.

Method used

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  • Control system for PTC heater

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Embodiment Construction

[0021] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but not limited to these embodiments. The present invention covers any alternatives, modifications, equivalent methods and schemes made on its essence.

[0022] Such as figure 1 As shown, a PTC heater control system includes a power supply, a switching power supply, a control module, a drive module, a water pump 1 and a heater comprising several groups of PTC heating elements 2, the power supply is connected to the switching power supply, and the switching power supply They are respectively connected with the control module and the drive module, so that the switching power supply converts the power supply voltage into DC low-voltage electricity, which is respectively supplied to the control module and the drive module, and the water pump and several groups of PTC heating elements connected in parallel are parallel Connected to both ends of the p...

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Abstract

The invention discloses a control system for a PTC heater. The control system comprises a power supply, a switch power supply, a control module, a driving module, a water pump and the heater comprising a plurality of groups of PTC heating elements, wherein the power supply is connected with the switch power supply, the switch power supply is respectively connected with the control module and the driving module, the water pump and the groups of PTC heating element which are in parallel connection are respectively in parallel connection to the two ends of the power supply, the control module and the driving module can transmit data mutually, the driving module can control the water pump to be opened and closed, the driving module can control the groups of the PTC heating elements to be opened sequentially, be closed in a staggered mode and work alternately, a plurality of temperature sensors are arranged in a heating cavity of the heater, the temperature sensors are connected with the control module, and the temperature sensor can transmit data to the control module. The control system has the advantages of greatly prolonging the service life of electrical appliances, greatly improving the safety of the electrical appliances, saving energy and the like.

Description

technical field [0001] The invention relates to a control system, in particular to a PTC heater control system. Background technique [0002] PTC heaters containing PTC heating elements have been gradually applied in many electrical products, such as electric water heaters, household massage and leisure pools, heaters, footbaths, Yuba, etc. However, at the moment of starting the PTC heating element, especially the moment when multiple sets of PTC heating elements are starting at the same time, a large inrush current will be generated, which is far beyond the normal working current, and has a great impact on the service life of the electrical appliance. , especially for high-power electrical products. The impact of the inrush current of PTC heating elements on the life of electrical appliances has not been paid attention to and solved by manufacturers at present. It is urgent to solve the problem of inrush current of PTC heating elements so that PTC heating elements can be b...

Claims

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Application Information

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IPC IPC(8): G05D23/19
Inventor 吴敏华饶厚熙梅安平
Owner JILONG PLASTIC PROD JIANGSU CO LTD
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