CN104586615A - Portable children rehabilitation walking aid - Google Patents
Portable children rehabilitation walking aid Download PDFInfo
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- CN104586615A CN104586615A CN201510054095.XA CN201510054095A CN104586615A CN 104586615 A CN104586615 A CN 104586615A CN 201510054095 A CN201510054095 A CN 201510054095A CN 104586615 A CN104586615 A CN 104586615A
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- 230000001681 protective effect Effects 0.000 claims description 45
- 230000005669 field effect Effects 0.000 claims description 24
- 238000002604 ultrasonography Methods 0.000 claims description 18
- 230000005484 gravity Effects 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 6
- 239000006183 anode active material Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- -1 isoxazole compound Chemical class 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- GCICAPWZNUIIDV-UHFFFAOYSA-N lithium magnesium Chemical compound [Li].[Mg] GCICAPWZNUIIDV-UHFFFAOYSA-N 0.000 claims description 3
- 229910003002 lithium salt Inorganic materials 0.000 claims description 3
- 159000000002 lithium salts Chemical class 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000007774 positive electrode material Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 235000011888 snacks Nutrition 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The invention discloses a portable children rehabilitation walking aid. The portable children rehabilitation walking aid is characterized in that height adjusting supports are arranged under a handrail protection support, first supporting frames are arranged under the height adjusting supports, second supporting frames are arranged under the height adjusting supports, a connecting support is connected with the two first supporting frames, angle adjusting chucks are arranged at positions, which are connected with the first supporting frames and the second supporting frames, of the height adjusting supports, universal wheels are arranged under the first supporting frames and the second supporting frames, rotating shafts are arranged between the connecting support and the handrail protection support, and a protection belt is arranged on the handrail protection support. According to the portable children rehabilitation walking aid disclosed by the invention, the phenomenon that a child falls downs due to insufficient leg strength can be prevented for happening due to the arrangement of the protection belt and the handrail protection support, the handrail protection support of the portable children rehabilitation walking aid can be disassembled and can be folded through the rotating shafts, and the supporting frames can be folded through the rotating shafts at the middle of the connecting support, and are portable.
Description
Technical field
The present invention originally belongs to technical field of medical instruments, particularly relates to a kind of portable child rehabilitation walker.
Background technology
Nowadays the case that child is injured gets more and more, when recovering, the walking aid of practicality is also of all kinds, but existing is all walking aid without pulley, child's strength is originally just little, also be just difficult to mention or gruelling, cause not having very large help to recovery, and existing walking aid be mostly fixed, cannot draw in, make to deposit constant.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of portable child rehabilitation walker, aims to provide one and is convenient for carrying and is conducive to trip, and the children's rehabilitation walking aid not taking up space, conveniently deposit.
The embodiment of the present invention realizes like this, a kind of portable child rehabilitation walker, this portable child rehabilitation walker comprises: handrail protective cradle, height adjustment support, the first bracing frame, the second bracing frame, connection bracket, angle adjustment chuck, universal wheel, rotating shaft, boundary belt;
Height adjustment Bracket setting is below handrail protective cradle, first bracing frame is arranged on below height adjustment support, second bracing frame is arranged on below height adjustment support, and connection bracket is connected with two the first bracing frames, and handrail protective cradle connects the pallet placing music box; Angle adjustment chuck is arranged on height adjustment support and the first bracing frame and the second bracing frame junction, universal wheel is arranged on below the first bracing frame and the second bracing frame, rotating shaft is arranged in the middle of connection bracket and handrail protective cradle, and Guardbanding is on handrail protective cradle;
Height adjustment internal stent is provided with height adjustment buckle, handrail protective cradle can be fixed; Handrail protective cradle can be dismantled, and handrail protective cradle can be folded by rotating shaft; Angle adjustment chuck can carry out the angle adjustment of the first bracing frame and the second bracing frame, and can carry out angle and fix; Bracing frame can be folded by the rotating shaft in the middle of connection bracket;
Further, universal wheel universal wheel body, universal wheel body outer surface is provided with wear-resistant coating, the center of universal wheel body is also provided with centre bore, the universal wheel body of centre bore periphery offers seven trapezoid-shaped openings that hoop is arranged, spacing between adjacent two trapezoid-shaped openings is 3 ~ 5mm, and the corner of trapezoid-shaped openings is provided with the chamfering that radius is 2 ~ 5mm.
Further, music box comprises MCU control circuit, power supply, human inductor, clock circuit, audio-frequency module and display screen; Human inductor and clock circuit are all connected with the input of MCU control circuit; Audio-frequency module and display screen are all connected with the outfan of MCU control circuit; Power supply is used for powering to each electricity consumption device; Also comprise a key circuit, key circuit is also connected with the input of MCU control circuit, for setup times; Audio-frequency module comprises power amplifier and speaker.
Further, power acquisition chargeable lithium cell comprises positive pole, and positive pole comprises collector, on a current collector and the anode active material layer of bag lithium-magnesium containing class positive electrode active materials and the protective layer in anode active material layer;
Negative pole; And electrolyte, comprise lithium salts, nonaqueous solvent and additive; Additive is ethylene carbonate compounds Huo isoxazole compound or combination.
Further, the rotating member of speaker comprises: the first rotating member, and the first rotating member is relative to master unit gyrator unit in the horizontal direction; And second rotating member, the second rotating member is relative to master unit gyrator unit in vertical direction;
Speaker is compared with the sound exported from master unit, and the sound exported from subelement has in a different direction been delayed by the specific time;
Speaker is included in the reflecting plate above subelement further, the path of the sound that the sound that baffle reflection exports from subelement exports in a second direction with change; The master unit of speaker and subelement are accommodated in different shells; Speaker before master unit and subelement are formed, and the output of master unit is greater than the output of subelement.
Further, the malleation sample circuit of power amplifier is identical with the structure of sampling below atmospheric pressure circuit; Malleation sample circuit and sampling below atmospheric pressure circuit include the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the first Zener diode, the first operational amplifier; One end of first resistance is connected with power amplification circuit, and the other end of the first resistance is connected with the positive input terminal of the first operational amplifier; The negative input end of the first operational amplifier is connected with one end of one end of the second resistance, the 3rd resistance, one end of the 4th resistance; The other end of the second resistance is connected with the positive pole of the negative electrode of the first Zener diode, the first electric capacity, one end of the 5th resistance; The other end of the 5th resistance is connected with positive voltage terminal; The outfan of the first operational amplifier is connected with the negative pole of the anode of the first Zener diode, the first electric capacity, the other end of the 3rd resistance; The other end of the 4th resistance is connected with one end of resistance R82.
Further, negative voltage control commutation circuit is connected with second level control switching circuit by first order control switching circuit; First order control switching circuit comprises resistance R109, R108, R107, R112, R111, R110, R105, R106, R104, R103, R102, R101, electric capacity C41, C40, C39, C38, C37, C36, voltage comparator D4, diode D16, Zener diode ZD8, audion Q30, Q31, field effect transistor Q39; One end of resistance R112 is connected with the outfan of sampling below atmospheric pressure circuit, and the other end of resistance R112 is connected with one end of resistance R111, and the other end of resistance R111 is connected with the negative input end of one end of resistance R110, voltage comparator D4; One end of resistance R109 is connected with the positive pole of the positive pole of electric capacity C36, electric capacity C37; The other end of resistance R109 is connected with one end of resistance R108; The positive input terminal of the other end of resistance R108 and one end of resistance R107, voltage comparator D4, one end of resistance R105, one end of resistance R106 are connected; The other end of resistance R107, the other end of resistance R110 are all held with the VEE of voltage comparator D4, GND holds, one end of electric capacity C40, the c pole of audion Q31, the S of field effect transistor Q39 hold, the negative pole of electric capacity C38, the anode of Zener diode ZD8, the negative pole of electric capacity C36, the negative pole of electric capacity C37 are connected; The other end of resistance R105 is connected with one end of electric capacity C41; One end of the other end of electric capacity C41 and the other end of resistance R106, resistance R103, the outfan of voltage comparator D4, the anode of diode D16, one end of resistance R104 are connected; The VCC end of voltage comparator D4 is connected with the other end of electric capacity C40, the other end of resistance R103, the c pole of audion Q30, the positive pole of electric capacity C38, the negative electrode of Zener diode ZD8, one end of resistance R101; The b pole of the negative electrode of diode D16 and one end of electric capacity C39, audion Q30, the b pole of audion Q31, the other end of resistance R104 are connected; The e pole of audion Q30, the e pole of audion Q31 are connected with one end of resistance R102, and the other end of resistance R102 is held with the G of field effect transistor Q39 and is connected; The other end of electric capacity C39 is held with the D of field effect transistor Q39 and is connected; Second level control switching circuit comprises resistance R97, R96, R95, R100, R99, R98, R94, R93, R92, R91, R90, R89, R88, electric capacity C35, C34, C33, C32, C31, C29, C28, voltage comparator D3, diode D15, D14, Zener diode ZD7, audion Q28, Q29, field effect transistor Q38; One end of resistance R100 is connected with the outfan of sampling below atmospheric pressure circuit, and the other end of resistance R100 is connected with one end of resistance R99, and the other end of resistance R99 is connected with the negative input end of one end of resistance R98, voltage comparator D3; One end of resistance R97 is connected with the positive pole of the positive pole of electric capacity C29, electric capacity C28, the other end of resistance R101; The other end of resistance R97 is connected with one end of resistance R96; The positive input terminal of the other end of resistance R96 and one end of resistance R95, voltage comparator D3, one end of resistance R93, one end of resistance R94 are connected; The other end of resistance R95, the other end of resistance R98 are all held with the VEE of voltage comparator D3, GND holds, one end of electric capacity C34, the c pole of audion Q29, the S of field effect transistor Q38 hold, the negative pole of electric capacity C32, the anode of Zener diode ZD7, one end of resistance R88, the anode of diode D14 are connected; The other end of resistance R93 is connected with one end of electric capacity C35; One end of the other end of electric capacity C35 and the other end of resistance R94, resistance R94, the outfan of voltage comparator D3, the anode of diode D15, one end of resistance R92 are connected; The VCC end of voltage comparator D3 is connected with the other end of electric capacity C34, the other end of resistance R91, the c pole of audion Q28, the positive pole of electric capacity C32, the negative electrode of Zener diode ZD7, one end of resistance R89; The b pole of the negative electrode of diode D15 and one end of electric capacity C33, audion Q28, the b pole of audion Q29, the other end of resistance R92 are connected; The e pole of audion Q28, the e pole of audion Q29 are connected with one end of resistance R90, and the other end of resistance R90 is held with the G of field effect transistor Q38 and is connected; The other end of electric capacity C33 is held with the D of field effect transistor Q38 and is connected; The other end of resistance R89 is connected with power amplification circuit; The other end of resistance R88 is connected with one end of electric capacity C31, and the other end of electric capacity C31 is connected with the negative electrode of diode D14.
Further, the connection bracket of this portable child rehabilitation walker is arranged range sensor, circuit board and battery case, circuit board is connected with range sensor and battery case by electric wire; Is furnished with the emitter be used in combination with range sensor simultaneously.
Further, range sensor determines object distance by the transition time measurement of reflectance ultrasound wave impulse, and concrete grammar comprises:
The end that transition time measures is determined by the center of gravity of reflectance ultrasound wave impulse, be provided with estimation unit and correcting unit, estimation unit is used for the height estimating object based on the pulse width of reflectance ultrasound wave impulse, the number of reflectance ultrasound wave impulse and the ratio of number of ultrasonic pulse launched or the distribution of the reflectance ultrasound wave impulse center of gravity of object, and the height that correcting unit is designed to according to estimating corrects the distance determined by flight time evaluating apparatus;
Center of gravity is confirmed as a moment, and first moment of moment when ultrasonic pulse exceedes first threshold and ultrasonic pulse are subsequently lower than between the second moment during Second Threshold; Center of gravity is confirmed as the weighted mean in the first moment and the second moment; Estimate that the height of object is based on multiple reflectance ultrasound wave impulse, and correct according to the object height estimated and measured by the transition time and the distance determined.
Further, this portable child rehabilitation walker is also provided with detachable seat, and detachable seat adopts fixed knob to be connected on handrail protective cradle; Also snack table is provided with on handrail protective cradle.
The advantage that the present invention has and good effect are: the present invention is provided with boundary belt and handrail protective cradle can prevent from causing because child leg dynamics is not enough falling; and this child rehabilitation walker handrail protective cradle can be dismantled; and handrail protective cradle can be folded by rotating shaft; bracing frame can be folded by the rotating shaft in the middle of connection bracket, conveniently carries.Structure of the present invention is simple, easy for installation, provides one and is convenient for carrying and is conducive to trip, and the children's rehabilitation walking aid not taking up space, conveniently deposit.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of portable child rehabilitation walker that the embodiment of the present invention provides;
Fig. 2 is the structural representation that a kind of portable child rehabilitation walker that the embodiment of the present invention provides folds dismounting;
In figure: 1, handrail protective cradle; 2 height adjustment supports; 3, the first bracing frame; 4, the second bracing frame; 5, connection bracket; 6, angle adjustment chuck; 7, universal wheel; 8, rotating shaft; 9, boundary belt.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.
Refer to Fig. 1:
As shown in Figure 1, a kind of portable child rehabilitation walker of the embodiment of the present invention, this device comprises: handrail protective cradle 1, height adjustment support 2, first bracing frame 3, second bracing frame 4, connection bracket 5, angle adjustment chuck 6, universal wheel 7, rotating shaft 8, boundary belt 9;
Height adjustment support 2 is arranged on below handrail protective cradle 1, first bracing frame 3 is arranged on below height adjustment support 2, second bracing frame 4 is arranged on below height adjustment support 2, connection bracket 5 is connected with two the first bracing frames 3, angle adjustment chuck 6 is arranged on height adjustment support 2 and the first bracing frame 3 and the second bracing frame 4 junction, universal wheel 7 is arranged on below the first bracing frame 3 and the second bracing frame 4, rotating shaft 8 is arranged in the middle of connection bracket 5 and handrail protective cradle 1, and boundary belt 9 is arranged on handrail protective cradle 1;
Further, height adjustment support 2 inside is provided with height adjustment buckle, handrail protective cradle 1 can be fixed;
Further, handrail protective cradle 1 can be dismantled, and handrail protective cradle can be folded by rotating shaft 8, conveniently carries;
Further, angle adjustment chuck 6 can carry out the angle adjustment of the first bracing frame 3 and the second bracing frame 4, and can carry out angle and fix;
Further, bracing frame can be folded by the rotating shaft 8 in the middle of connection bracket, conveniently carries;
Further, boundary belt 9 and handrail protective cradle 1 can prevent from causing because child leg dynamics is not enough falling.
The embodiment of the present invention realizes like this, a kind of portable child rehabilitation walker, this portable child rehabilitation walker comprises: handrail protective cradle, height adjustment support, the first bracing frame, the second bracing frame, connection bracket, angle adjustment chuck, universal wheel, rotating shaft, boundary belt;
Height adjustment Bracket setting is below handrail protective cradle, first bracing frame is arranged on below height adjustment support, second bracing frame is arranged on below height adjustment support, and connection bracket is connected with two the first bracing frames, and handrail protective cradle connects the pallet placing music box; Angle adjustment chuck is arranged on height adjustment support and the first bracing frame and the second bracing frame junction, universal wheel is arranged on below the first bracing frame and the second bracing frame, rotating shaft is arranged in the middle of connection bracket and handrail protective cradle, and Guardbanding is on handrail protective cradle;
Height adjustment internal stent is provided with height adjustment buckle, handrail protective cradle can be fixed; Handrail protective cradle can be dismantled, and handrail protective cradle can be folded by rotating shaft; Angle adjustment chuck can carry out the angle adjustment of the first bracing frame and the second bracing frame, and can carry out angle and fix; Bracing frame can be folded by the rotating shaft in the middle of connection bracket;
Further, universal wheel universal wheel body, universal wheel body outer surface is provided with wear-resistant coating, the center of universal wheel body is also provided with centre bore, the universal wheel body of centre bore periphery offers seven trapezoid-shaped openings that hoop is arranged, spacing between adjacent two trapezoid-shaped openings is 3 ~ 5mm, and the corner of trapezoid-shaped openings is provided with the chamfering that radius is 2 ~ 5mm.
Further, music box comprises MCU control circuit, power supply, human inductor, clock circuit, audio-frequency module and display screen; Human inductor and clock circuit are all connected with the input of MCU control circuit; Audio-frequency module and display screen are all connected with the outfan of MCU control circuit; Power supply is used for powering to each electricity consumption device; Also comprise a key circuit, key circuit is also connected with the input of MCU control circuit, for setup times; Audio-frequency module comprises power amplifier and speaker.
Further, power acquisition chargeable lithium cell comprises positive pole, and positive pole comprises collector, on a current collector and the anode active material layer of bag lithium-magnesium containing class positive electrode active materials and the protective layer in anode active material layer;
Negative pole; And electrolyte, comprise lithium salts, nonaqueous solvent and additive; Additive is ethylene carbonate compounds Huo isoxazole compound or combination.
Further, the rotating member of speaker comprises: the first rotating member, and the first rotating member is relative to master unit gyrator unit in the horizontal direction; And second rotating member, the second rotating member is relative to master unit gyrator unit in vertical direction;
Speaker is compared with the sound exported from master unit, and the sound exported from subelement has in a different direction been delayed by the specific time;
Speaker is included in the reflecting plate above subelement further, the path of the sound that the sound that baffle reflection exports from subelement exports in a second direction with change; The master unit of speaker and subelement are accommodated in different shells; Speaker before master unit and subelement are formed, and the output of master unit is greater than the output of subelement.
Further, the malleation sample circuit of power amplifier is identical with the structure of sampling below atmospheric pressure circuit; Malleation sample circuit and sampling below atmospheric pressure circuit include the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the first Zener diode, the first operational amplifier; One end of first resistance is connected with power amplification circuit, and the other end of the first resistance is connected with the positive input terminal of the first operational amplifier; The negative input end of the first operational amplifier is connected with one end of one end of the second resistance, the 3rd resistance, one end of the 4th resistance; The other end of the second resistance is connected with the positive pole of the negative electrode of the first Zener diode, the first electric capacity, one end of the 5th resistance; The other end of the 5th resistance is connected with positive voltage terminal; The outfan of the first operational amplifier is connected with the negative pole of the anode of the first Zener diode, the first electric capacity, the other end of the 3rd resistance; The other end of the 4th resistance is connected with one end of resistance R82.
Further, negative voltage control commutation circuit is connected with second level control switching circuit by first order control switching circuit; First order control switching circuit comprises resistance R109, R108, R107, R112, R111, R110, R105, R106, R104, R103, R102, R101, electric capacity C41, C40, C39, C38, C37, C36, voltage comparator D4, diode D16, Zener diode ZD8, audion Q30, Q31, field effect transistor Q39; One end of resistance R112 is connected with the outfan of sampling below atmospheric pressure circuit, and the other end of resistance R112 is connected with one end of resistance R111, and the other end of resistance R111 is connected with the negative input end of one end of resistance R110, voltage comparator D4; One end of resistance R109 is connected with the positive pole of the positive pole of electric capacity C36, electric capacity C37; The other end of resistance R109 is connected with one end of resistance R108; The positive input terminal of the other end of resistance R108 and one end of resistance R107, voltage comparator D4, one end of resistance R105, one end of resistance R106 are connected; The other end of resistance R107, the other end of resistance R110 are all held with the VEE of voltage comparator D4, GND holds, one end of electric capacity C40, the c pole of audion Q31, the S of field effect transistor Q39 hold, the negative pole of electric capacity C38, the anode of Zener diode ZD8, the negative pole of electric capacity C36, the negative pole of electric capacity C37 are connected; The other end of resistance R105 is connected with one end of electric capacity C41; One end of the other end of electric capacity C41 and the other end of resistance R106, resistance R103, the outfan of voltage comparator D4, the anode of diode D16, one end of resistance R104 are connected; The VCC end of voltage comparator D4 is connected with the other end of electric capacity C40, the other end of resistance R103, the c pole of audion Q30, the positive pole of electric capacity C38, the negative electrode of Zener diode ZD8, one end of resistance R101; The b pole of the negative electrode of diode D16 and one end of electric capacity C39, audion Q30, the b pole of audion Q31, the other end of resistance R104 are connected; The e pole of audion Q30, the e pole of audion Q31 are connected with one end of resistance R102, and the other end of resistance R102 is held with the G of field effect transistor Q39 and is connected; The other end of electric capacity C39 is held with the D of field effect transistor Q39 and is connected; Second level control switching circuit comprises resistance R97, R96, R95, R100, R99, R98, R94, R93, R92, R91, R90, R89, R88, electric capacity C35, C34, C33, C32, C31, C29, C28, voltage comparator D3, diode D15, D14, Zener diode ZD7, audion Q28, Q29, field effect transistor Q38; One end of resistance R100 is connected with the outfan of sampling below atmospheric pressure circuit, and the other end of resistance R100 is connected with one end of resistance R99, and the other end of resistance R99 is connected with the negative input end of one end of resistance R98, voltage comparator D3; One end of resistance R97 is connected with the positive pole of the positive pole of electric capacity C29, electric capacity C28, the other end of resistance R101; The other end of resistance R97 is connected with one end of resistance R96; The positive input terminal of the other end of resistance R96 and one end of resistance R95, voltage comparator D3, one end of resistance R93, one end of resistance R94 are connected; The other end of resistance R95, the other end of resistance R98 are all held with the VEE of voltage comparator D3, GND holds, one end of electric capacity C34, the c pole of audion Q29, the S of field effect transistor Q38 hold, the negative pole of electric capacity C32, the anode of Zener diode ZD7, one end of resistance R88, the anode of diode D14 are connected; The other end of resistance R93 is connected with one end of electric capacity C35; One end of the other end of electric capacity C35 and the other end of resistance R94, resistance R94, the outfan of voltage comparator D3, the anode of diode D15, one end of resistance R92 are connected; The VCC end of voltage comparator D3 is connected with the other end of electric capacity C34, the other end of resistance R91, the c pole of audion Q28, the positive pole of electric capacity C32, the negative electrode of Zener diode ZD7, one end of resistance R89; The b pole of the negative electrode of diode D15 and one end of electric capacity C33, audion Q28, the b pole of audion Q29, the other end of resistance R92 are connected; The e pole of audion Q28, the e pole of audion Q29 are connected with one end of resistance R90, and the other end of resistance R90 is held with the G of field effect transistor Q38 and is connected; The other end of electric capacity C33 is held with the D of field effect transistor Q38 and is connected; The other end of resistance R89 is connected with power amplification circuit; The other end of resistance R88 is connected with one end of electric capacity C31, and the other end of electric capacity C31 is connected with the negative electrode of diode D14.
Further, the connection bracket of this portable child rehabilitation walker is arranged range sensor, circuit board and battery case, circuit board is connected with range sensor and battery case by electric wire; Is furnished with the emitter be used in combination with range sensor simultaneously.
Further, range sensor determines object distance by the transition time measurement of reflectance ultrasound wave impulse, and concrete grammar comprises:
The end that transition time measures is determined by the center of gravity of reflectance ultrasound wave impulse, be provided with estimation unit and correcting unit, estimation unit is used for the height estimating object based on the pulse width of reflectance ultrasound wave impulse, the number of reflectance ultrasound wave impulse and the ratio of number of ultrasonic pulse launched or the distribution of the reflectance ultrasound wave impulse center of gravity of object, and the height that correcting unit is designed to according to estimating corrects the distance determined by flight time evaluating apparatus;
Center of gravity is confirmed as a moment, and first moment of moment when ultrasonic pulse exceedes first threshold and ultrasonic pulse are subsequently lower than between the second moment during Second Threshold; Center of gravity is confirmed as the weighted mean in the first moment and the second moment; Estimate that the height of object is based on multiple reflectance ultrasound wave impulse, and correct according to the object height estimated and measured by the transition time and the distance determined.
Further, this portable child rehabilitation walker is also provided with detachable seat, and detachable seat adopts fixed knob to be connected on handrail protective cradle; Also snack table is provided with on handrail protective cradle.
The advantage that the present invention has and good effect are: the present invention is provided with boundary belt and handrail protective cradle can prevent from causing because child leg dynamics is not enough falling; and this child rehabilitation walker handrail protective cradle can be dismantled; and handrail protective cradle can be folded by rotating shaft; bracing frame can be folded by the rotating shaft in the middle of connection bracket, conveniently carries.Structure of the present invention is simple, easy for installation, provides one and is convenient for carrying and is conducive to trip, and the children's rehabilitation walking aid not taking up space, conveniently deposit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a portable child rehabilitation walker, it is characterized in that, this portable child rehabilitation walker comprises: handrail protective cradle, height adjustment support, the first bracing frame, the second bracing frame, connection bracket, angle adjustment chuck, universal wheel, rotating shaft, boundary belt;
Height adjustment Bracket setting is below handrail protective cradle, first bracing frame is arranged on below height adjustment support, second bracing frame is arranged on below height adjustment support, and connection bracket is connected with two the first bracing frames, and handrail protective cradle connects the pallet placing music box; Angle adjustment chuck is arranged on height adjustment support and the first bracing frame and the second bracing frame junction, universal wheel is arranged on below the first bracing frame and the second bracing frame, rotating shaft is arranged in the middle of connection bracket and handrail protective cradle, and Guardbanding is on handrail protective cradle;
Height adjustment internal stent is provided with height adjustment buckle, handrail protective cradle can be fixed; Handrail protective cradle can be dismantled, and handrail protective cradle can be folded by rotating shaft; Angle adjustment chuck can carry out the angle adjustment of the first bracing frame and the second bracing frame, and can carry out angle and fix; Bracing frame can be folded by the rotating shaft in the middle of connection bracket.
2. portable child rehabilitation walker as claimed in claim 1, it is characterized in that, universal wheel universal wheel body, universal wheel body outer surface is provided with wear-resistant coating, the center of universal wheel body is also provided with centre bore, the universal wheel body of centre bore periphery offers seven trapezoid-shaped openings that hoop is arranged, the spacing between adjacent two trapezoid-shaped openings is 3 ~ 5mm, and the corner of trapezoid-shaped openings is provided with the chamfering that radius is 2 ~ 5mm.
3. portable child rehabilitation walker as claimed in claim 1, it is characterized in that, music box comprises MCU control circuit, power supply, human inductor, clock circuit, audio-frequency module and display screen; Human inductor and clock circuit are all connected with the input of MCU control circuit; Audio-frequency module and display screen are all connected with the outfan of MCU control circuit; Power supply is used for powering to each electricity consumption device; Also comprise a key circuit, key circuit is also connected with the input of MCU control circuit, for setup times; Audio-frequency module comprises power amplifier and speaker.
4. portable child rehabilitation walker as claimed in claim 3, it is characterized in that, power acquisition chargeable lithium cell comprises positive pole, and positive pole comprises collector, on a current collector and the anode active material layer of bag lithium-magnesium containing class positive electrode active materials and the protective layer in anode active material layer;
Negative pole; And electrolyte, comprise lithium salts, nonaqueous solvent and additive; Additive is ethylene carbonate compounds Huo isoxazole compound or combination.
5. portable child rehabilitation walker as claimed in claim 3, it is characterized in that, the rotating member of speaker comprises: the first rotating member, and the first rotating member is relative to master unit gyrator unit in the horizontal direction; And second rotating member, the second rotating member is relative to master unit gyrator unit in vertical direction;
Speaker is compared with the sound exported from master unit, and the sound exported from subelement has in a different direction been delayed by the specific time;
Speaker is included in the reflecting plate above subelement further, the path of the sound that the sound that baffle reflection exports from subelement exports in a second direction with change; The master unit of speaker and subelement are accommodated in different shells; Speaker before master unit and subelement are formed, and the output of master unit is greater than the output of subelement.
6. portable child rehabilitation walker as claimed in claim 3, it is characterized in that, the malleation sample circuit of power amplifier is identical with the structure of sampling below atmospheric pressure circuit; Malleation sample circuit and sampling below atmospheric pressure circuit include the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the first Zener diode, the first operational amplifier; One end of first resistance is connected with power amplification circuit, and the other end of the first resistance is connected with the positive input terminal of the first operational amplifier; The negative input end of the first operational amplifier is connected with one end of one end of the second resistance, the 3rd resistance, one end of the 4th resistance; The other end of the second resistance is connected with the positive pole of the negative electrode of the first Zener diode, the first electric capacity, one end of the 5th resistance; The other end of the 5th resistance is connected with positive voltage terminal; The outfan of the first operational amplifier is connected with the negative pole of the anode of the first Zener diode, the first electric capacity, the other end of the 3rd resistance; The other end of the 4th resistance is connected with one end of resistance R82.
7. portable child rehabilitation walker as claimed in claim 6, is characterized in that, negative voltage controls commutation circuit and is connected with second level control switching circuit by first order control switching circuit; First order control switching circuit comprises resistance R109, R108, R107, R112, R111, R110, R105, R106, R104, R103, R102, R101, electric capacity C41, C40, C39, C38, C37, C36, voltage comparator D4, diode D16, Zener diode ZD8, audion Q30, Q31, field effect transistor Q39; One end of resistance R112 is connected with the outfan of sampling below atmospheric pressure circuit, and the other end of resistance R112 is connected with one end of resistance R111, and the other end of resistance R111 is connected with the negative input end of one end of resistance R110, voltage comparator D4; One end of resistance R109 is connected with the positive pole of the positive pole of electric capacity C36, electric capacity C37; The other end of resistance R109 is connected with one end of resistance R108; The positive input terminal of the other end of resistance R108 and one end of resistance R107, voltage comparator D4, one end of resistance R105, one end of resistance R106 are connected; The other end of resistance R107, the other end of resistance R110 are all held with the VEE of voltage comparator D4, GND holds, one end of electric capacity C40, the c pole of audion Q31, the S of field effect transistor Q39 hold, the negative pole of electric capacity C38, the anode of Zener diode ZD8, the negative pole of electric capacity C36, the negative pole of electric capacity C37 are connected; The other end of resistance R105 is connected with one end of electric capacity C41; One end of the other end of electric capacity C41 and the other end of resistance R106, resistance R103, the outfan of voltage comparator D4, the anode of diode D16, one end of resistance R104 are connected; The VCC end of voltage comparator D4 is connected with the other end of electric capacity C40, the other end of resistance R103, the c pole of audion Q30, the positive pole of electric capacity C38, the negative electrode of Zener diode ZD8, one end of resistance R101; The b pole of the negative electrode of diode D16 and one end of electric capacity C39, audion Q30, the b pole of audion Q31, the other end of resistance R104 are connected; The e pole of audion Q30, the e pole of audion Q31 are connected with one end of resistance R102, and the other end of resistance R102 is held with the G of field effect transistor Q39 and is connected; The other end of electric capacity C39 is held with the D of field effect transistor Q39 and is connected; Second level control switching circuit comprises resistance R97, R96, R95, R100, R99, R98, R94, R93, R92, R91, R90, R89, R88, electric capacity C35, C34, C33, C32, C31, C29, C28, voltage comparator D3, diode D15, D14, Zener diode ZD7, audion Q28, Q29, field effect transistor Q38; One end of resistance R100 is connected with the outfan of sampling below atmospheric pressure circuit, and the other end of resistance R100 is connected with one end of resistance R99, and the other end of resistance R99 is connected with the negative input end of one end of resistance R98, voltage comparator D3; One end of resistance R97 is connected with the positive pole of the positive pole of electric capacity C29, electric capacity C28, the other end of resistance R101; The other end of resistance R97 is connected with one end of resistance R96; The positive input terminal of the other end of resistance R96 and one end of resistance R95, voltage comparator D3, one end of resistance R93, one end of resistance R94 are connected; The other end of resistance R95, the other end of resistance R98 are all held with the VEE of voltage comparator D3, GND holds, one end of electric capacity C34, the c pole of audion Q29, the S of field effect transistor Q38 hold, the negative pole of electric capacity C32, the anode of Zener diode ZD7, one end of resistance R88, the anode of diode D14 are connected; The other end of resistance R93 is connected with one end of electric capacity C35; One end of the other end of electric capacity C35 and the other end of resistance R94, resistance R94, the outfan of voltage comparator D3, the anode of diode D15, one end of resistance R92 are connected; The VCC end of voltage comparator D3 is connected with the other end of electric capacity C34, the other end of resistance R91, the c pole of audion Q28, the positive pole of electric capacity C32, the negative electrode of Zener diode ZD7, one end of resistance R89; The b pole of the negative electrode of diode D15 and one end of electric capacity C33, audion Q28, the b pole of audion Q29, the other end of resistance R92 are connected; The e pole of audion Q28, the e pole of audion Q29 are connected with one end of resistance R90, and the other end of resistance R90 is held with the G of field effect transistor Q38 and is connected; The other end of electric capacity C33 is held with the D of field effect transistor Q38 and is connected; The other end of resistance R89 is connected with power amplification circuit; The other end of resistance R88 is connected with one end of electric capacity C31, and the other end of electric capacity C31 is connected with the negative electrode of diode D14.
8. portable child rehabilitation walker as claimed in claim 1, it is characterized in that, the connection bracket of this portable child rehabilitation walker is arranged range sensor, circuit board and battery case, circuit board is connected with range sensor and battery case by electric wire; Is furnished with the emitter be used in combination with range sensor simultaneously.
9. portable child rehabilitation walker as claimed in claim 8, it is characterized in that, range sensor determines object distance by the transition time measurement of reflectance ultrasound wave impulse, and concrete grammar comprises:
The end that transition time measures is determined by the center of gravity of reflectance ultrasound wave impulse, be provided with estimation unit and correcting unit, estimation unit is used for the height estimating object based on the pulse width of reflectance ultrasound wave impulse, the number of reflectance ultrasound wave impulse and the ratio of number of ultrasonic pulse launched or the distribution of the reflectance ultrasound wave impulse center of gravity of object, and the height that correcting unit is designed to according to estimating corrects the distance determined by flight time evaluating apparatus;
Center of gravity is confirmed as a moment, and first moment of moment when ultrasonic pulse exceedes first threshold and ultrasonic pulse are subsequently lower than between the second moment during Second Threshold; Center of gravity is confirmed as the weighted mean in the first moment and the second moment; Estimate that the height of object is based on multiple reflectance ultrasound wave impulse, and correct according to the object height estimated and measured by the transition time and the distance determined.
10. portable child rehabilitation walker as claimed in claim 1, it is characterized in that, this portable child rehabilitation walker is also provided with detachable seat, and detachable seat adopts fixed knob to be connected on handrail protective cradle; Also snack table is provided with on handrail protective cradle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054095.XA CN104586615A (en) | 2015-02-03 | 2015-02-03 | Portable children rehabilitation walking aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054095.XA CN104586615A (en) | 2015-02-03 | 2015-02-03 | Portable children rehabilitation walking aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104586615A true CN104586615A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510054095.XA Pending CN104586615A (en) | 2015-02-03 | 2015-02-03 | Portable children rehabilitation walking aid |
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| Country | Link |
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| CN (1) | CN104586615A (en) |
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| CN112773669A (en) * | 2021-01-13 | 2021-05-11 | 福建商学院 | Walking aid capable of being protected in multiple directions |
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