The Sub-scale automatic weighing type infrared electronic body scale
Technical field
The utility model relates to a kind of infrared split Electronic Scales for Human Beings, especially relate to a kind of can either split use again can conjuncted use the Sub-scale automatic weighing type infrared electronic body scale.
Background technology
Current society, increasing people pays attention to the health of self, and the body weight of monitoring oneself also becomes one of daily health caring course of people.Existing Electronic Scales for Human Beings mostly only has single function of weighing, a kind of Electronic Scales for Human Beings is disclosed as Chinese ZL032559232, it comprises parts such as base, panel, sensor, electronic measurement circuit, display screen, the resulting data of weighing show by the display screen on the scale body, the people is if will see the body weight numerical value of oneself, must bow or squat down,, acquire a certain degree of difficulty during reading especially for the old man.Desirable Electronic Scales for Human Beings should at first satisfy the people and stand in the body weight reading that just can conveniently see oneself on the scale body clearly, and is secondly convenient simple again in the weighing operation process.
Summary of the invention
The purpose of this utility model provides a kind of not only can split the use but also multi-functional Sub-scale automatic weighing type infrared electronic body scale that can conjuncted use.
The purpose of this utility model is achieved by the following technical solution:
The Sub-scale automatic weighing type infrared electronic body scale, comprise the scale body, wherein the scale body comprises the scale body case, the panel of weighing, strain gauge load cell, the switching mechanism of electronic circuit and control scale body running, it is characterized in that described scale body also comprises weighs and the infrared module, described infrared exoelectron weighing scale also comprises hand-held box, described hand-held box comprises box body, operation push-button, electronic circuit, show with infrared ray and receive module and display screen, electronic circuit wherein, show that receiving module with infrared ray is installed in the box body, display screen is embedded to be installed in the box body, by weighing and infrared module and demonstration and infrared ray receive receiving and transmitting signal between the module, the numerical value of will weighing is presented on the display screen.
Infrared exoelectron weighing scale of the present utility model, adopt infrared and reception technique, at first open the operation push-button on the hand-held box, the people stands on the panel of weighing of scale body, and foot-switch is connected, and strain gauge load cell produces miniature deformation, two signal ends of the electric bridge of sensor produce voltage difference, after the voltage of this variation is handled by microprocessor,, on the display screen of hand-held box, show gravimetric value through infrared and reception.The circuit of scale body portion mainly is to finish the processing of sensor piezoelectric signal and the generation of infrared signal, and with an infrared transmitter, hand-held display is mainly finished the reception of infrared signal, and has subsidiary functions such as time and alarm clock in its circuit.
The utility model can be done following improvement: described scale body also is provided with scale body conduction in flakes, this scale body conduction is installed in flakes in the shell of scale body and with power spring and contacts, power spring links to each other with electronic circuit in the scale body, conducting electricity in flakes with the scale body on the box body of described hand-held box, the opposite position place also is equipped with hand-held box conduction in flakes, hand-held box conduction links to each other with electronic circuit in the hand-held box in flakes, also be provided with the installation position that hand-held box is installed on the described scale body, when hand-held box is installed in installation position on the scale body, scale body conduction is connected in flakes with hand-held box conduction in flakes, circuit communication, the infrared exoelectron weighing scale can be weighed automatically.
Infrared exoelectron weighing scale of the present utility model, when hand-held box is placed on installation position on the scale body, from being dynamically connected, the people stands on the panel of weighing of scale body both conductions in flakes, and foot-switch is connected, strain gauge load cell produces miniature deformation, two signal ends of the electric bridge of sensor produce voltage difference, after the voltage of this variation is handled by microprocessor, through infrared and reception, on the display screen of hand-held box, show weight, thereby realize weighing automatically.
Described box body comprises upper cartridge body and the lower box body that is fixedly linked, and described hand-held box conduction is installed on the lower box body in flakes.
Described scale body conduction is in flakes by metallic conduction thin slice drawing and forming, it comprises continuous gulde edge and contact jaw, gulde edge is installed in the shell of scale body, the contact jaw inside surface contacts with power spring, described hand-held box conduction is also bent the back and is formed opening " U " type structure to the right by metallic conduction thin slice one in flakes, it comprises continuous fixed feet and contact chip, wherein the fixed feet plug-in type is installed in the lower box body of hand-held box, when hand-held box is installed in installation position on the scale body, described contact jaw and contact chip contact, and realize the connection between conduction in flakes thus.
Scale body conduction adopts spring structure in flakes, when the box installation position is handed in hand-held box insertion, hand-held box conduction advances in flakes to scale body conduction in flakes, scale body conduction is suppressed distortion in flakes in this process, arrive its busy hour fixed in flakes when hand-held box conducts electricity, scale body conduction keeps in touch with hand-held box conduction under the power spring restoring force in flakes in flakes.
Contact between described contact jaw and the contact chip is line contact or face contact.
The utility model can be done following improvement: the xsect of described scale body conduction contact jaw in flakes is camber substantially, the inside surface of contact jaw contacts with power spring, power spring links to each other with electronic circuit in the scale body, is the line contact between described contact jaw and the contact chip.The camber structure combines with power spring, has guaranteed that scale body conduction has elasticity preferably in flakes, between avoiding conducting electricity in flakes move mutually and friction process in damage scale body conduction in flakes; Simultaneously also guarantee stability in contact,, also can not influence the stable contact between contact chip and the contact jaw even the generation of scale body is rocked in weighing process.
The utility model can be done following improvement: the xsect of described scale body conduction contact jaw in flakes is " S " type substantially, the head of its " S " type structure links to each other with gulde edge, the position, stage casing of the afterbody of " S " type structure is tabular, described contact chip and relative position place, position, described afterbody stage casing also are tabular, are the face contact between afterbody and the contact chip.The structure of " S " type can guarantee that also scale body conduction has elasticity preferably in flakes, between avoiding conducting electricity in flakes move mutually and friction process in damage scale body conduction in flakes.
Switching mechanism described in the utility model comprises back-moving spring and foot-switch, have the positioning switch groove in the described housing, foot-switch is installed in the positioning switch groove, foot-switch comprises the switch keycap that is convexly equipped with on switch base and the switch base, form the whole stepped structure of foot-switch thus, the surface of contact of switch base and switch keycap is a switch keycap flat surface, the described tower spring that resets is placed on the switch keycap flat surface, the one end contacts with switch keycap flat surface, the other end contacts with strain gauge load cell, the described tower spring that resets has inside spin portion, this inside spin portion and relative position place, switch keycap place, after the tower spring that resets was stressed, inside spin portion was with the compression switch keycap.
Compared with prior art, the utility model comprises scale body and hand-held box two parts, adopts infrared and reception technique, and the person that conveniently do not weigh is to measuring reading of numerical value, can contact or not contact the transmitting-receiving of carrying out signal by physics between hand-held box and the scale body, can separately use between the two, also can one use, when both one are used, hand-held box is installed on the scale, constitute an integral body with scale, thereby realize weighing automatically, avoid hand-held box being carried out button operation at every turn.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the front view of the utility model Sub-scale automatic weighing type infrared electronic body scale embodiment one;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 2;
Fig. 5 is the partial enlarged drawing of Fig. 2;
Fig. 6 is the partial structurtes synoptic diagram when handing the box connection working among the utility model embodiment one;
Fig. 7 is the utility model Sub-scale automatic weighing type infrared electronic body scale scale body portion electrical schematic diagram;
Fig. 8 is the hand-held box part electrical schematic diagram of the utility model Sub-scale automatic weighing type infrared electronic body scale;
Fig. 9 is the partial structurtes synoptic diagram when handing the box connection working among the utility model embodiment two.
Embodiment
Embodiment one
To Sub-scale automatic weighing type infrared electronic body scale shown in Figure 6, comprise scale body and hand-held box two big parts as Fig. 1, wherein the scale body is provided with the installation position that hand-held box is installed, and hand-held box can be installed on the installation position, also can use separately.The scale body comprises scale body case 5, the panel 1 of weighing, strain gauge load cell 2, switching mechanism, weigh and infrared module 7, electronic circuit, shell 5, support the parts such as supporting pad of shell 5, hand-held box comprises box body, operation push-button 12, circuit, show with infrared ray and receive module 13 parts such as grade, box body comprises upper cartridge body 9 and the lower box body 10 that is fixedly linked, the scale body also is provided with scale body conduction in flakes 6 and power spring 7, this scale body conduction 6 is installed in the housing of scale body and with power spring 7 and contacts in flakes, power spring 7 links to each other with electronic circuit in the scale body, hand-held box conduction in flakes 11 also is installed 6 opposite position places in flakes with scale body conduction on the lower box body 10 of hand-held box, hand-held box conduction 11 links to each other with circuit in the hand-held box in flakes, when hand-held box is installed in installation position on the scale body, scale body conduction 6 11 is connected with hand-held box conduction in flakes in flakes, circuit communication, weighing scale can be weighed automatically.
As Fig. 2, Fig. 3, Fig. 4, shown in Figure 6,
scale body conduction 6 constitutes an elastic construction with
power spring 7 in flakes, the metallic conduction thin slice will guarantee good electrical conductivity and toughness,
scale body conduction 6 comprises
gulde edge 61 and
contact jaw 62 in flakes,
gulde edge 61 is fixedly mounted in the housing of scale body, the inside surface of
contact jaw 62 contacts with
power spring 7, this scale body conduction in flakes the xsect of 6
contact jaw 62 be substantially "
" type; this conduction xsect of 6
contact jaw 62 in flakes also can be circular arc type or camber; hand-held box conduction is in
flakes 11 also by metallic conduction thin slice one bending back and form opening " U " type structure to the right; it comprises continuous
fixed feet 111 and
contact chip 112, and wherein fixed
feet 111 plug-in types are installed in the lower box body 10 of hand-held box.When hand-held box is installed in installation position on the scale body, linear contact between
contact jaw 62 and the
contact chip 112 realizes the conduction connection between 6,11 in flakes thus.
As shown in Figure 5, switching mechanism of the present utility model comprises back-moving spring 3 and foot-switch 4, have positioning switch groove 51 in the housing 5, foot-switch 4 is installed in the positioning switch groove 51, foot-switch 4 comprises the switch keycap 41 that is convexly equipped with on switch base 42 and the switch base 42, form the whole stepped structure of foot-switch thus, the surface of contact of switch base 42 and switch keycap 41 is a switch keycap flat surface 43, back-moving spring 3 is placed on the switch keycap flat surface 43, the one end contacts with switch keycap flat surface 43, the other end contacts with strain gauge load cell 2, back-moving spring 3 has inside spin portion 31, this inside spin portion 31 and relative position place, switch keycap 41 place, after back-moving spring 3 was stressed, inside spin portion 31 was with compression switch keycap 41.
When weight loads on the panel 1 of weighing of scale body, strain gauge load cell 2 moves to the direction of back-moving spring 3, compression reseting spring 3, the inside spin portion 31 compression switch keycaps 41 of back-moving spring 3 make switch conduction, behind the switch conduction, strain gauge load cell 2 moves to the limiting stand terrace 52 of housing 5, switch just no longer continues to be subjected to new additional force like this, that is to say that it is certain that switch is subjected to maximum elastic force pressure.Like this, can avoid switch to be subjected to overload power on the one hand, split the pass and shield; Saved traditional sensor and the transmission seat part between the back-moving spring on the other hand, structure space is compact more, has reasonably saved cost.
Shown in Figure 7 is to weigh and the infrared electrical schematic diagram, this microprocessor produces circuit 35 with mu balanced circuit 36, crystal oscillating circuit 37, reset circuit 38, A/D change-over circuit 32, low-voltage detection circuit 33, memory circuitry 34 and infrared signal respectively by each port and is connected, and realizes the processing of the piezoelectric signal that produced by strain gauge load cell 31 and the generation of infrared signal.The hand-held display part also is under the non-state of weighing at ordinary times, does standby and handles, and shows real-time time, and alarm clock function is arranged, and only just enters into the receiving mode of infrared signal behind button operation.
Fig. 8 has provided the infrared ray reception and has weighed and shown electric principle, its microprocessor is connected with memory circuitry 41, key press detecting circuit 42, low-voltage detection circuit 43, crystal oscillating circuit 145, crystal oscillating circuit 1147, reset circuit 48, infrared signal receiving circuit 44 and liquid crystal display device 46 respectively by each port, has finished the functions such as reception of the time showing under the standby, alarm clock, low-voltage detection and infrared signal.
Infrared exoelectron weighing scale of the present utility model, adopt infrared and reception technique, when hand-held box is placed on the scale body its installation position, both conductions 6,11 are dynamically connected in flakes certainly, the people stands on the panel 1 of weighing of scale body, foot-switch 4 is connected, strain gauge load cell 2 produces miniature deformation, two signal ends of the electric bridge of sensor produce voltage difference, after the voltage of this variation is handled by microprocessor, through infrared and reception, on the display screen 14 of hand-held box, show weight, thereby realize weighing automatically.When hand-held box and scale body when split is used, at first open the operation push-button 12 on the hand-held box, could weigh automatically then.The circuit of scale body portion mainly is to finish the processing of sensor piezoelectric signal and the generation of infrared signal, and with an infrared transmitter, hand-held display is mainly finished the reception of infrared signal, and has subsidiary functions such as time and alarm clock in its electronic circuit.
Embodiment two
As shown in Figure 9, present embodiment and embodiment one are different is that the cross section of the contact jaw 62 of scale body guide card 6 is " S " type substantially, and the head of its " S " type structure links to each other with gulde edge 61, and the afterbody integral body of " S " type structure is curved.The position, stage casing of the afterbody of " S " type structure in the present embodiment also can be tabular, makes contact chip 112 and relative position place, position, afterbody stage casing also be tabular, is the face contact like this between afterbody and the contact chip 112.