CN203677091U - Contact-type biosome skeleton ranging device - Google Patents
Contact-type biosome skeleton ranging device Download PDFInfo
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- CN203677091U CN203677091U CN201320775313.5U CN201320775313U CN203677091U CN 203677091 U CN203677091 U CN 203677091U CN 201320775313 U CN201320775313 U CN 201320775313U CN 203677091 U CN203677091 U CN 203677091U
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- test contact
- contact
- connection bracket
- distance measuring
- grating
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Abstract
A contact-type biosome skeleton ranging device is characterized by comprising a fixed contact terminal (2) and a movable testing contact terminal (13) capable of moving on a slide track, wherein under the driving of a lead screw, the testing contact terminal (13) moves on the slide track directly or through a connecting device; the lead screw and the slide track are assembled on a fixing bracket (7); one end of the lead screw is axially connected with a driving shaft of a driving device through an electromagnetic clutch (9); the testing contact terminal (13) is connected with a ranging device directly or through the connecting device. According to the biosome skeleton ranging device, by monitoring and controlling a current value of the electromagnetic clutch, the contact pressure of the testing contact terminal and the skin is controllable to achieve the constant skin compression, so as to realize the comparability of results of different measured persons; in addition, the device can ensure that a skeleton root part is prevented from overmuch pressure.
Description
Technical field
This utility model relates to a kind of length-measuring appliance, is especially applied to human body calcaneus thickness measure field.
background technology
At present, conventional length-measuring appliance, for example slide gauge, micrometer caliper etc., by conventional dimensional measuring instrument during for the measurement in biological tissue field, distance mearuring equipment be by operator according to sensation interactive adjustment test contact, then carry out artificial reading, for example see through human body skin and measure skeleton thickness, this metering system has following shortcoming:
(1) due to soft object also different (rigidity by object determines) of the compressed amount of soft tissue under different pressures, make each measurement result be difficult to the concordance that reaches higher.
(2) due to the difference of operator's reading custom, cannot guarantee the concordance that different personnel repeatedly measure.
(3) the maximum pressure difference of bearing due to soft-body physical ability, cannot satisfy the demand this gauge and under uniform pressure condition, carries out the requirement that soft tissue is accurately measured.
(4) as for easy damaged positions such as body surfaces, the easily excessive injury accident that causes of pressure.
(5), after having found range, be difficult to keep the position of measuring contact to be fixed, to carry out the test of next step other biophysics amount.
In view of the foregoing, must design a kind of automatic range unit that can realize high-precision high reliability, and the pressure that test contact contacts with body surface must be controlled, can not produce the excessive injury of pressure to body surface.After having found range, keep measuring contact position constant, to carry out the test of next step other biophysics amount.
summary of the invention
This utility model is for above deficiency, design a kind of human body calcaneus contact automatic range unit that can realize high-precision high reliability, the pressure scalable as required that this device to test contact contacts with body surface, can not produce the excessive injury of pressure to body surface.The precision of same heel repeated measure is wanted to high, and pressure when Different Individual heel is measured is identical, so that the measurement data obtaining is to obtain under identical test condition, and can compare the measurement data of Different Individual.After having found range, keep measuring contact position constant, to carry out the test of next step other biophysics amount.
The technical scheme that this utility model solves its technical problem employing is as follows:
A kind of organism skeleton contact type distance measuring device, wherein, comprise fixed contact and the test contact that can move on slide rail, test contact directly or on slide rail, move under the driving of leading screw by connecting device, leading screw and slide rail are assemblied on fixed mount, one end of leading screw is axially connected by the driving shaft of electromagnetic clutch and driving device, and test contact directly or be connected with range unit by connecting device.
A kind of organism skeleton of this utility model contact type distance measuring device, wherein, leading screw is trapezoidal screw.
A kind of organism skeleton of this utility model contact type distance measuring device, wherein, driving device is mechanical handle or Vidacare corp.
A kind of organism skeleton of this utility model contact type distance measuring device, wherein, the connecting device being connected with test contact is connection bracket and test contact arm, test contact is fixed on one end of test contact arm, the other end of test contact arm is connected with the top of connection bracket, connection bracket is provided with feed screw nut, the mutual interlock of feed screw nut and trapezoidal screw, the middle part of connection bracket is provided with slide block, trapezoidal screw drives feed screw nut band movable slider, test contact, connection bracket and test contact arm can slide on line slideway assembly, the range unit that the tail end of connection bracket is connected with is connected.
A kind of organism skeleton of this utility model contact type distance measuring device, range unit is wherein grating scale.
A kind of organism skeleton of this utility model contact type distance measuring device, grating scale wherein comprises scale grating, indication grating, and the bottom of scale grating and connection bracket is connected, and indication grating is connected with control unit.
Advantage of the present utility model is:
This utility model provides the clamping method of measuring organism skeleton, is mainly used in the thickness measure of human body root bone.This utility model, by the current value of monitoring, control electromagnetic clutch, makes test contact and contact skin pressure controlled, reaches skin compression amount constant, has realized the comparability of different measuring person-time result.And can guarantee that root bony site is not subject to excessive pressure.
Certainty of measurement significantly improves than conventional slide gauge, spiral micrometer; generally can reach 1 μ m; one end of leading screw is axially connected by the driving shaft of electromagnetic clutch and driving device; this utility model can pass through adjusting, limit the current value of electromagnetic clutch, realizes the comparability that can also realize the data of different time detection when protection body measurements is not subject to excessive pressure.If there is more high-precision requirement, can be by selecting more high-precision grating scale to meet.
Relatively general measure utensil, as slide gauge, spiral micrometer etc., this utility model has been realized the clamping function with human body root bone both sides close contact.
Can automatically measure, show in real time; Avoided operator's error in reading, same measured's repeated measure concordance is high, and different measured's calcaneus test conditions are consistent, and contact is identical to the contact pressure of calcaneus, is convenient to the measurement result of Different Individual to analyze relatively.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation
Fig. 2 is this utility model range-measurement system control block diagram
The specific embodiment
Embodiment 1
A kind of organism skeleton contact type distance measuring device, wherein, comprise fixed contact 2 and the test contact 13 that can move on slide rail, test contact 13 moves under the driving of leading screw by connecting device on slide rail, trapezoidal screw 3 and slide rail are assemblied in the upper of fixed mount 7, one end of trapezoidal screw 3 is axially connected with the driving shaft of mechanical handle 8 by electromagnetic clutch 9, and test contact 13 is connected with range unit by connecting device, the connecting device being connected with test contact 13 is connection bracket 10 and test contact arm 12, test contact 13 is fixed on one end of test contact arm 12, the other end of test contact arm 12 is connected with the top of connection bracket 10, connection bracket 10 is provided with feed screw nut 11, feed screw nut 11 and the mutual interlock of trapezoidal screw 3, the middle part of connection bracket 10 is provided with slide block, trapezoidal screw 3 drives feed screw nut 11 to be with movable slider, test contact 13, connection bracket 10 and test contact arm 12 can slide on line slideway assembly 4, the range unit that the tail end of connection bracket 10 is connected with is connected, wherein, range unit be grating scale, grating scale comprises scale grating 5, indication grating 6, scale grating 5 is connected with the bottom of connection bracket 10, indication grating 6 is connected with control unit.
Operation principle of the present utility model, mechanical handle 8, electromagnetic clutch 9, trapezoidal screw 3 and nut 11 and connection bracket 10 transmitting movement that is linked in sequence, drive grating scale and test contact 13 to move linearly, grating scale is realized the Auto-counting range finding to displacement by the pulse signal in moving process, the number of pulses that grating scale sends is as shown in Figure 2: grating scale signal sends to the microprocessor in control unit, the distance between the displacement of grating scale and proven test contact 13 and fixed contact 2 is carried out comparing calculation by microprocessor, draw the distance between current test contact 13 and fixed contact 2, and the digital display module being sent in control unit shows in real time, utilize current sensor monitoring to gather the size of current of electric current and voltage adjusting device supply electromagnetic clutch 9, current values is sent to the AD converter in control unit, the digital quantity after conversion is sent to microprocessor by AD converter, and microprocessor is scaled the pressure value signal between test contact and human foot calcaneus according to the relation between electric current and pressure by current values signal.
When use, tested personnel get sitting posture, guarantee that tested personnel's heel is close to fixed contact, and first operator demarcate the distance between test contact and fixed contact, rotate by manual or electronic mode driving device handle afterwards, drive associated components to move; In the time that test contact touches heel bone and reaches current limit value, the numerical value that now digital display module shows is the bone width of human foot calcaneus; If add again large driving force, because clutch current limits, there is skidding.Can be further to root bone intensified pressure.
The length of embodiment cathetus guide rail is 110mm～120mm.
Control unit is mainly made up of microprocessor, adjustable current driver, current sensor, AD converter, digital display module, it is grating scale signal and the current values signal from current sensor from the range finding pulse signal of grating scale that microprocessor receives, after calculating by analysis, obtain the distance values signal between test contact and the fixed contact of heel bone range finding, and pressure value signal between test contact and heel bone; Microprocessor is sent to digital display module by the distance values signal of automatic range and shows in real time.
Adjustable current driver is mainly made up of operational amplifier and transistor circuit, has realized the closed-loop adjustment of electric current, can be by Current Control within the scope of 0～3A.
Current sensor is selected the Hall current sensor that precision is higher, this sensor internal adopts closed loop isolation design, the effectively interference of the high frequency peak voltage pulse in filtering circuit loop and low-frequency ripple electric current, is sent to the AD converter in control unit with stable current value output.
Numeral display module is the seven segment digital tubes that adopts common cathode method of attachment, for showing that the scale grating of grating scale is in the displacement of rectilinear movement process, because the grating scale precision of this device is higher, can be accurate to 1 μ m, therefore select 5 seven segment digital tubes to show the displacement signal that grating scale is measured, indication range is 0～99999 μ m.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and this utility model limited range is referring to claim, and without prejudice to spirit of the present utility model in the situation that, this utility model can be done any type of modification.
Claims (6)
1. an organism skeleton contact type distance measuring device, it is characterized in that, the test contact (13) that comprises fixed contact (2) and can move on slide rail, test contact (13) directly or on slide rail, move under the driving of leading screw by connecting device, leading screw and slide rail are assemblied on fixed mount (7), one end of leading screw is axially connected by the driving shaft of electromagnetic clutch (9) and driving device, and test contact (13) directly or be connected with range unit by connecting device.
2. according to a kind of organism skeleton contact type distance measuring device described in claim 1, it is characterized in that, described leading screw is trapezoidal screw (3).
3. according to a kind of organism skeleton contact type distance measuring device described in claim 2, it is characterized in that, described driving device is mechanical handle (8) or Vidacare corp.
4. according to a kind of organism skeleton contact type distance measuring device described in claim 3, it is characterized in that, the described connecting device being connected with test contact (13) is connection bracket (10) and test contact arm (12), test contact (13) is fixed on one end of test contact arm (12), the other end of test contact arm (12) is connected with the top of connection bracket (10), connection bracket (10) is provided with feed screw nut (11), the interlock mutually of feed screw nut (11) and trapezoidal screw (3), the middle part of connection bracket (10) is provided with slide block, trapezoidal screw (3) drives feed screw nut (11) band movable slider, moving test contact (13), connection bracket (10) and test contact arm (12) are in the upper slip of line slideway assembly (14), the tail end of connection bracket (10) is connected with described range unit.
5. according to a kind of organism skeleton contact type distance measuring device described in claim 4, it is characterized in that, described range unit is grating scale.
6. according to a kind of organism skeleton contact type distance measuring device described in claim 5, it is characterized in that, described grating scale comprises scale grating (5), indication grating (6), scale grating (5) is connected with the bottom of connection bracket (10), and indication grating (6) is connected with control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775313.5U CN203677091U (en) | 2013-11-30 | 2013-11-30 | Contact-type biosome skeleton ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775313.5U CN203677091U (en) | 2013-11-30 | 2013-11-30 | Contact-type biosome skeleton ranging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203677091U true CN203677091U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775313.5U Withdrawn - After Issue CN203677091U (en) | 2013-11-30 | 2013-11-30 | Contact-type biosome skeleton ranging device |
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| Country | Link |
|---|---|
| CN (1) | CN203677091U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598887A (en) * | 2013-11-30 | 2014-02-26 | 北京华健恒创技术有限公司 | Contact type living body skeleton distance measuring device |
| CN106142115A (en) * | 2016-07-29 | 2016-11-23 | 向风帆 | The books catching robot of book ATM and band thickness measuring function thereof |
| CN109431512A (en) * | 2018-12-19 | 2019-03-08 | 董立岩 | A kind of gynaecology's pelvis meter |
-
2013
- 2013-11-30 CN CN201320775313.5U patent/CN203677091U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598887A (en) * | 2013-11-30 | 2014-02-26 | 北京华健恒创技术有限公司 | Contact type living body skeleton distance measuring device |
| CN103598887B (en) * | 2013-11-30 | 2015-12-16 | 北京华健恒创技术有限公司 | A kind of organism bone-contact formula range unit |
| CN106142115A (en) * | 2016-07-29 | 2016-11-23 | 向风帆 | The books catching robot of book ATM and band thickness measuring function thereof |
| CN106142115B (en) * | 2016-07-29 | 2018-07-31 | 广西科技大学 | Book ATM and its books catching robot with thickness measuring function |
| CN109431512A (en) * | 2018-12-19 | 2019-03-08 | 董立岩 | A kind of gynaecology's pelvis meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |