CN201469560U

CN201469560U - Induction cushion

Info

Publication number: CN201469560U
Application number: CN2009201934978U
Authority: CN
Inventors: 欧宗永
Original assignee: Shenzhen Contin Technology Ltd
Current assignee: Shenzhen Contin Technology Ltd
Priority date: 2009-08-26
Filing date: 2009-08-26
Publication date: 2010-05-19
Anticipated expiration: 2019-08-26

Abstract

An induction cushion comprises a pair of fabric layers, a pair of conducting layers which are arranged between the fabric layers, and an insulating layer which is clamped between the conducting layers and insulates the conducting layers from each other; through holes which enables the conducting layers to be in contact with each other when the induction cushion is extruded externally are formed on the insulating layer; besides, the fabric layers, the conducting layers and insulating layer are laminated together; each conducting layer comprises a bottom layer and a conductive material layer applied on the bottom layer; the bottom layer is made of polyethylene terephalate material; and the conductive material layer is made of silver paste or carbon paste, or the combination of the carbon paste and the silver paste. The induction cushion has the advantages of low cost and long service life.

Description

Sensing pad

Technical field

This utility model relates to a kind of medical nursing auxiliary equipment, relate to a kind ofly particularly, relate more specifically to a kind of being used under personnel's accident of needs nursing is left the situation of positions such as seat or berth, in time to send caution to assist the sensing pad of nursing staff's disposition from the bed warning system.

Background technology

Sensing pad is common a kind of assisted care product.Sensing pad can be made different size and different shape, and sensing pad is installed on wheelchair or the bed, also can make ground cushion, be applied to hospital, nursing homes or have in the family that needs the nursing staff, thus help the nursing staff to look after the old man or the nursing staff of needs is arranged, take precautions against it and fall down.Controller that sensing pad is relevant with it or alarm sometimes are also referred to as from the bed warning system, and sensing pad can be used with calling system.

The operation principle of sensing pad is: sensing pad is placed in bed or the appropriate location on the wheelchair, when patient leaves bed or wheelchair, the corresponding alarm that is connected with sensing pad will give the alarm, thereby notifies the nursing staff, makes them can in time check patient's situation rapidly.

Existing sensing pad adopts the constituent material of materials such as aluminium foil, Copper Foil as sensing pad.Yet,, thereby cause the sensing pad cost to increase on the one hand owing to aluminium foil, Copper Foil cost an arm and a leg; On the other hand, the service life of aluminium foil, copper foil material is short, has therefore shortened the service life of sensing pad indirectly.

Thereby, be necessary to provide a kind of sensing pad of improvement, so that overcome the shortcoming and deficiency of prior art.

The utility model content

The purpose of this utility model provides a kind of sensing pad, and it is not only with low cost, and long service life.

To achieve these goals, this utility model provides a kind of sensing pad, thereby comprise a pair of precoat, be arranged on this to the pair of conductive layer between the precoat and be clipped between the described pair of conductive layer insulating barrier both mutual insulatings, offer on the described insulating barrier and be used for when sensing pad is subjected to external compression so as to causing the described pair of conductive layer electrical through hole of contact mutually, and all precoats, conductive layer and insulating barrier are laminated into mutually together; Wherein said each conductive layer comprises bottom and is coated with the conductive material layer that is located on the bottom, and described bottom is the bottom that polyphenyl dioctyl phthalate glycol ester material is made, and described conductive material layer is silver slurry or carbon slurry or the silver slurry conductive material layer that is combined to form with the carbon slurry.

Advantage of the present utility model is: because the conductive material layer that bottom that conductive layer is made by polyphenyl dioctyl phthalate glycol ester material and silver slurry or carbon slurry or both combinations are made constitutes, these materials itself are cheap, therefore reduced the cost of sensing pad on the whole; Simultaneously, because the service life of these materials itself is longer, prolonged the service life of sensing pad to a certain extent.

Below in conjunction with accompanying drawing, describe this utility model in detail by preferred embodiment.

Description of drawings

Fig. 1 is the profile of this utility model sensing pad;

Fig. 2 is the three-dimensional exploded view of sensing pad shown in Figure 1;

Fig. 3 has showed the structure of first conductive layer in the sensing pad shown in Figure 1;

Fig. 4 has showed the stereoscopic-state figure that the printed circuit board (PCB) of sensing pad is connected with conductor wire.

Fig. 5 a-5d has showed several alternatives of the insulating barrier in the sensing pad shown in Figure 1.

The specific embodiment

With reference now to accompanying drawing, this utility model is described.

Shown in Fig. 1-4, thereby sensing pad comprises a pair of precoat 10, is arranged on this to the pair of conductive layer 20 between the precoat 10 and be clipped between the described pair of conductive layer 20 insulating barrier 40 with both mutual insulatings.Offer a plurality of through holes 42 when sensing pad is subjected to external compression that are used on the insulating barrier 40 so as to causing described pair of conductive layer 20 electrically to contact mutually.In addition, all these precoats 10, conductive layer 20 and insulating barrier 40 are laminated into an integral body mutually, thereby form sensing pad.

Preferably, described each precoat 10 adopts polrvinyl chloride (PVC) material to make.In addition, with reference to figure 3, described each conductive layer 20 comprises bottom 22 and is coated with the conductive material layer 24 that is located on the bottom 22.Described bottom 22 is made by polyphenyl dioctyl phthalate glycol ester (PET) material; Described conductive material layer 24 is by being combined to form such as silver slurry or carbon slurry or silver slurry and carbon slurry.

Described insulating barrier 40 is preferably made such as sponge by the rubber-like material.

Under normal conditions, need the patient of nursing to be sitting in or to lie on the seat or bed that is covered with sensing pad, patient's body weight causes the sensing pad extruding, thereby cause two conductive layers 20 to contact with each other by the through hole 42 of insulating barrier 40, thereby formation path, corresponding external warning system received signal is started working, in case patient's accident is left seat or bed, form when the sensing pad that originally was squeezed recovers it gradually and do not compress, two conductive layer 20 external warning systems that spaced-apart formation are opened a way and triggering is corresponding, thus remind the nurse personnel that processing in time needs nursing staff's situation.

On printed circuit board (PCB) shown in Figure 4 300, the pair of conductive copper sheet is set on the printed circuit board (PCB) 300, by the riveted joint effect of clavus 302, make conductive layer 20 by clavus 302 conduction that communicates with conductive copper sheet.In addition, offer installing hole on the described printed circuit board (PCB) 300, lead 301 is by in the installing hole and be welded on the printed circuit board (PCB) 300.This side connecting conductor formula can fully contact lead 301 and fix with conductive layer 20 better.Like this, no matter in use how to pull lead, connecting line can not disconnect with circuit, thereby can not cause circuit loose contact or short circuit or open circuit, and then has guaranteed the quality of sensing pad.

The through hole 42 of insulating barrier 40 can be different shape, and Fig. 5 a-5d has showed ellipse hole 52, fan annular through-hole 62, manhole 72 and rectangular through-hole 82 respectively.These through holes guarantee that two conductive layers 20 of sensing pad can accurately contact, and can not cause outer welding system false alarm or fail to report the police.

With respect to prior art, because the conductive material layer 24 that bottom 22 that conductive layer 20 of the present utility model is made by the PET material and silver slurry or carbon slurry are made constitutes, these materials itself are cheap, so reduced the cost of sensing pad on the whole; Simultaneously, because the service life of these materials itself is longer, prolonged the service life of sensing pad to a certain extent.

Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of this utility model certainly with this, and therefore the equivalent variations of being done according to this utility model claim still belongs to the scope that this utility model is contained.

Claims

1. sensing pad, thereby it is characterized in that comprising a pair of precoat, be arranged on this to the pair of conductive layer between the precoat and be clipped between the described pair of conductive layer insulating barrier both mutual insulatings, offer on the described insulating barrier and be used for when sensing pad is subjected to external compression so as to causing the described pair of conductive layer electrical through hole of contact mutually, and all precoats, conductive layer and insulating barrier are laminated into mutually together; Wherein said each conductive layer comprises bottom and is coated with the conductive material layer that is located on the bottom, and described bottom is the bottom that polyphenyl dioctyl phthalate glycol ester material is made, and described conductive material layer is silver slurry or carbon slurry or the silver slurry conductive material layer that is combined to form with the carbon slurry.

2. sensing pad according to claim 1 is characterized in that: described each precoat is the precoat that pvc material is made.

3. sensing pad according to claim 1 is characterized in that: described insulating barrier is the insulating barrier that sponge is made.

4. sensing pad according to claim 1 is characterized in that: the through hole of described insulating barrier is ellipse hole or fan annular through-hole or manhole or rectangular through-hole.

5. sensing pad according to claim 1, it is characterized in that: further comprise the printed circuit board (PCB) that is arranged on the sensing pad, pair of conductive copper is set on the described printed circuit board (PCB), and offer the installing hole that penetrates circuit and connecting line in it on the described printed circuit board (PCB), and described circuit and connecting line are welded on the described printed circuit board (PCB).