CN206832737U - PH value test device - Google Patents
PH value test device Download PDFInfo
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- CN206832737U CN206832737U CN201720352986.8U CN201720352986U CN206832737U CN 206832737 U CN206832737 U CN 206832737U CN 201720352986 U CN201720352986 U CN 201720352986U CN 206832737 U CN206832737 U CN 206832737U
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Abstract
The utility model provides a kind of pH value test device, and it includes：Pedestal；Testboard (10), is arranged on pedestal, and sample to be tested is placed on testboard (10)；First support；It is arranged on pedestal；Second support, it is movably disposed in the first direction in first support；First drive mechanism, it is arranged in first support and drives second support to move along the first direction with second support drive connection；PH value test probe (20), is movably disposed in second support in a second direction, and second direction is perpendicular to first direction and vertically sets；Second drive mechanism, set on the secondary support bracket and with pH value test probe (20) drive connection to drive pH value test probe (20) to move in a second direction.The utility model, which efficiently solves when manual testing's pH value is due to human users in the prior art the othernesses such as standing time, reaction speed and position in the sample, causes testing result the problem of relatively large deviation to be present.
Description
Technical field
It the utility model is related to pH value technical field of measurement and test, and in particular to a kind of pH value test device.
Background technology
PH value is one of most important physical and chemical index of cow's milk, and ox composition of milk is extremely complex, abnormal for pH testing results
The further tracing detection of needs analyze its trigger results abnormity the reason for.At present, pH value detection uses what is detected one by one by hand
Method is detected, it is desirable to which pH value tester is positioned in sample and stopped 3 seconds, reads result.But when being placed during human users
Between, the otherness such as reaction speed and position (whether being rebuffed) in the sample cause testing result relatively large deviation to be present.
Utility model content
Main purpose of the present utility model is to provide a kind of pH value test device, to solve manual testing in the prior art
The othernesses such as standing time when pH value is due to human users, reaction speed and position in the sample cause testing result exist compared with
The problem of large deviation.
To achieve the above object, the utility model provides a kind of pH value test device, including：Pedestal；Testboard, set
On pedestal, sample to be tested is placed on testboard；First support；It is arranged on pedestal；Second support, in the first direction may be used
It is movably arranged in first support；First drive mechanism, it is arranged in first support and is driven with second support drive connection
Dynamic second support moves along the first direction；PH value test probe, is movably disposed in second support in a second direction, and second
Direction is perpendicular to first direction and vertically sets；Second drive mechanism, set on the secondary support bracket and tested with pH value
Probe drive connection is to drive pH value test probe to move in a second direction.
Further, first support is movably disposed on pedestal along third direction, and third direction is perpendicular to first party
To and second direction, pH value test device also include the 3rd drive mechanism, the 3rd drive mechanism is arranged on pedestal and with first
Carriage drive is connected to drive first support to be moved along third direction.
Further, the first drive mechanism includes the first motor and the first leading screw, the screw rod of the first leading screw and the first motor
Output axis connection, second support is fixed on the nut of the first leading screw.
Further, the second drive mechanism includes the second motor and the second leading screw, the screw rod of the second leading screw and the second motor
Output axis connection, pH value test probe is fixed on the nut of the second leading screw.
Further, the 3rd drive mechanism includes the 3rd motor and the 3rd leading screw, the screw rod and the 3rd motor of the 3rd leading screw
Output axis connection, first support is fixed on the nut of the 3rd leading screw.
Further, pH value test device also includes controller and three drivers, and controller and three drivers are all provided with
Put on pedestal, controller electrically connects with three drivers, three drivers respectively with the first motor, the second motor, the 3rd electricity
Mechatronics, controller control the first motor, the second motor, the 3rd motor respectively by three drivers.
Further, pH value test device also includes mounting head, and mounting head is movably disposed in second support, pH value
Test probe is arranged in mounting head.
Technical solutions of the utility model, have the following advantages that：When treating test sample and carrying out test pH value, by sample to be tested
Product are placed on testboard, and the first drive mechanism driving second support moves along the first direction, and then drives pH value test probe
Move along the first direction, after pH value test probe to be moved to the top of sample to be tested, then the second drive mechanism drives PH
Value test probe is moved vertically downwards, and pH value test probe is moved in sample to be tested and is sampled, measured, so
After read result, the second drive mechanism driving pH value test probe moves up after reading result, then cleans pH value test and visits
Head, repeat aforesaid operations step and next sample to be tested is measured.Standing time, reaction are controlled by drive mechanism
Speed and the position in sample to be tested, measuring accuracy is improved, reduce manual operation error, improve the work effect of test
The otherness such as rate, standing time when solving manual testing's pH value due to human users, reaction speed and position in the sample
Testing result is caused the problem of relatively large deviation to be present.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment according to pH value test device of the present utility model.
Wherein, the reference in above-mentioned accompanying drawing is：
10th, testboard；20th, pH value test probe；30th, the second motor；40th, the 3rd motor；50th, the first motor.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
As shown in figure 1, the pH value test device of the present embodiment include pedestal, testboard 10, first support, second support,
First drive mechanism, the drive mechanism of pH value test probe 20 and second, pedestal is carrying platform, and testboard 10 is arranged on pedestal
On, sample to be tested is placed on testboard 10；First support is arranged on pedestal；Second support is in the first direction movably
It is arranged in first support；First driving machine is arranged in first support and drives second support with second support drive connection
Move along the first direction；PH value test probe 20 is movably disposed in second support in a second direction, and second direction is vertical
Set in first direction and vertically；Second drive mechanism sets on the secondary support bracket and driven with pH value test probe 20
Connect to drive pH value test probe 20 to move in a second direction.
Using the pH value test device of the present embodiment, when treating test sample and carrying out test pH value, sample to be tested is put
Put on testboard 10, the first drive mechanism driving second support moves along the first direction, and then drives pH value test probe 20
Move along the first direction, after pH value test probe 20 to be moved to the top of sample to be tested, then the second drive mechanism drives
PH value test probe 20 moves vertically downwards, pH value test probe 20 is moved in sample to be tested sampled,
Measurement, result is then read, the second drive mechanism driving pH value test probe 20 moves up after reading result, then cleans PH
It is worth test probe 20, repeats aforesaid operations step and next sample to be tested is measured.Put by drive mechanism to control
Time, reaction speed and the position in sample to be tested are put, improves measuring accuracy, reduces manual operation error, improves and surveys
The operating efficiency of examination, standing time when solving manual testing's pH value due to human users, reaction speed and position in the sample
The otherness such as putting causes testing result the problem of relatively large deviation to be present.
PH value test probe 20 can only be sampled to the sample to be tested of a line, measured in the first direction, when needs pair
When the sample to be tested of multirow carries out test pH value, first support is movably disposed on pedestal along third direction, third party
Also include the 3rd drive mechanism to perpendicular to first direction and second direction, pH value test device, the 3rd drive mechanism is arranged on
To drive first support to be moved along third direction on pedestal and with first support drive connection.3rd drive mechanism drives first
Frame moves along third direction, and then drives pH value test probe 20 to be moved along third direction, and such said structure can be to multirow
Sample to be tested carry out test pH value, further improve test operating efficiency.
In the present embodiment, the first drive mechanism includes the first motor 50 and the first leading screw, the screw rod of the first leading screw and
The output axis connection of one motor 50, second support are fixed on the nut of the first leading screw.First motor 50 drives the first leading screw
Screw rod rotates, and the screw rod of the first leading screw rotates the nut movement for driving the first leading screw, and then drives second support movement, and first drives
The structure of motivation structure is simple, easy to use, and cost is cheap.Certainly, the first drive mechanism can also drive second using cylinder
Support moves.
In the present embodiment, the second drive mechanism includes the second motor 30 and the second leading screw, the screw rod of the second leading screw and
The output axis connection of two motors 30, pH value test probe 20 are fixed on the nut of the second leading screw.Second motor 30 driving second
The screw rod of leading screw rotates, and the screw rod of the second leading screw rotates the nut movement for driving the second leading screw, and then drives pH value test probe
20 movements, the structure of the second drive mechanism is simple, easy to use, reduces cost.Certainly, the second drive mechanism can also use gas
Cylinder drives the pH value test probe 20 to move.
In the present embodiment, the 3rd drive mechanism includes the 3rd motor 40 and the 3rd leading screw, the screw rod of the 3rd leading screw and
The output axis connection of three motors 40, first support are fixed on the nut of the 3rd leading screw.3rd motor 40 drives the 3rd leading screw
Screw rod rotates, and the screw rod of the 3rd leading screw rotates the nut movement for driving the 3rd leading screw, and then drives first support movement, and the 3rd drives
The structure of motivation structure is simple, easy to use, and cost is cheap.Certainly, the 3rd drive mechanism can also sample cylinder to drive first
Support moves.
In the present embodiment, pH value test device also includes controller and three drivers, controller and three drivers
Be arranged on pedestal, controller electrically connects with three drivers, three drivers respectively with the first motor 50, the second motor
30th, the 3rd motor 40 electrically connects, and controller controls the first motor 50, the electricity of the second motor the 30, the 3rd respectively by three drivers
Machine 40.First motor 50, the second motor 30, the 3rd motor 40 are stepper motor.Controller is the control unit of whole device,
The Weak pulse signal received is converted into heavy current signal by driver, and stepper motor is the executing agency of whole device, and three
Individual stepper motor controls operation of the pH value test probe 20 along three directions respectively.
Because controller can only send faint pulse signal, it is impossible to directly drive stepper motor, thus needed between them
Driver is wanted as bridge, controller sends the pulse signal modulated, driver return pulse signal, and signal enters driver
Afterwards, stepper motor operating can be driven as the heavy current signal required for driver is converted into stepper motor.Driver often receives one
Individual pulse signal, driving can make motor turn over a corresponding angle to the electric current of one amplification of motor, and such controller can
Accurately control stepper motor turns over each angle and speed.
In the case of non-overload, the rotating speed of motor, the position stopped being solely dependent upon the frequency and umber of pulse of pulse signal,
Without being influenceed by load change, when driver receives a pulse signal, it is with regard to Driving Stepping Motor by the direction set
A fixed angle is rotated, its rotation is run step by step with fixed angle.Therefore, can be by controlling pulse
Number controls angular displacement, so as to reaching the purpose being accurately positioned；Simultaneously can be by controlling pulse frequency come controlled motor
The speed and acceleration of rotation, so as to reach the purpose of speed governing, its good operation enables pH value test probe 20 to move
Sampled measurements are carried out into sample to be tested.
In the present embodiment, sample to be tested is sample box, and in order to improve operating efficiency, pH value test device also includes peace
Head is filled, mounting head is movably disposed in second support, and pH value test probe 20 is arranged in mounting head.PH value test probe
20 use in mounting head, can be not required to open milk pack, and it is straight directly to carry probe by the motive force of stepper motor
Patch in milk, while also ensure without damage, normal work of popping one's head in.Certainly, sample to be tested is also not limited to this.
In the present embodiment, first direction is X-axis, and second direction is Z axis, and third direction is Y-axis.
PH value test probe 20 is the measurement original paper of device, and here using PH-6109 type disk-installed type measuring instruments, it has following
Advantage：
1st, all using chip inlet and component, using newest Surface Mount production technology, it is ensured that instrument working stability can
Lean on；
2nd, multi-parameter is shown simultaneously：Can show simultaneously pH value, temperature value, high point warning arranges value, low spot warning arranges value,
Whether instrument is in high or low alarm condition and current time.Parameters are very clear；
3rd, band automatic cleaning function；
4th, RS485 is communicated；
5th, unique history curve function, can record the historical data of current 30 days and have query function.
Specifically, the running of pH value test device is as follows：
1st, arrange parameter
Operating personnel set sample classification on the controller, and the rule of the sample set in advance are contained in sample classification
The parameters such as lattice, quantity, according to different sample classifications, change parameter in formula, and then change the moving step pitch of probe, ensure to visit
Head accurately enters sample box.
2nd, plant running
1. starter；
It is moved to 2. popping one's head in along X-axis Y-axis directly over the first box of the first row；
3. being moved up under popping one's head in along Z axis in the milk in the first box, stop 3 seconds, sampled, measured；
Moved up 4. popping one's head in along Z axis, extract probe；
5. cleaning probe；
6. according to the step pitch set in advance, probe is moved along the x-axis to above the second box；
7. repeat 3.~6. walk, until the first row sample box measurement finishes；
The second row is moved to along Y-axis 8. popping one's head in, starts to measure the second row sample box, repeats the above steps.
3rd, measured value is handled
PH value per box milk is all recorded in electrical form, operating personnel according to job specification to data at
Reason.
From the foregoing, pH value test device ensures that the measure operation of pH value in cow's milk is consistent, and convenient test is quick, reduces
Result error, reach the purpose for reducing human error, improving operating efficiency.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (7)
- A kind of 1. pH value test device, it is characterised in that including：Pedestal；Testboard (10), is arranged on the pedestal, and sample to be tested is placed on the testboard (10)；First support；It is arranged on the pedestal；Second support, it is movably disposed in the first direction in the first support；First drive mechanism, it is arranged in the first support and drives described second with the second support drive connection Frame moves along the first direction；PH value test probe (20), is movably disposed in the second support in a second direction, and the second direction is vertical Set in the first direction and vertically；Second drive mechanism, it is arranged in the second support and with pH value test probe (20) drive connection to drive PH value test probe (20) is stated to move along the second direction.
- 2. pH value test device according to claim 1, it is characterised in that the first support may move along third direction Ground is arranged on the pedestal, and the third direction is perpendicular to the first direction and the second direction, the pH value test Device also includes the 3rd drive mechanism, and the 3rd drive mechanism, which is arranged on the pedestal and driven with the first support, to be connected Connect to drive the first support to be moved along the third direction.
- 3. pH value test device according to claim 2, it is characterised in that first drive mechanism includes the first motor (50) and the first leading screw, the screw rod of first leading screw and the output axis connection of first motor (50), the second support It is fixed on the nut of first leading screw.
- 4. pH value test device according to claim 3, it is characterised in that second drive mechanism includes the second motor (30) tested with the second leading screw, the screw rod of second leading screw and the output axis connection of second motor (30), the pH value Probe (20) is fixed on the nut of second leading screw.
- 5. pH value test device according to claim 4, it is characterised in that the 3rd drive mechanism includes the 3rd motor (40) and the 3rd leading screw, the screw rod of the 3rd leading screw and the output axis connection of the 3rd motor (40), the first support It is fixed on the nut of the 3rd leading screw.
- 6. pH value test device according to claim 5, it is characterised in that the pH value test device also includes controller With three drivers, the controller and three drivers are arranged on the pedestal, the controller and three institutes State driver electrical connection, three drivers respectively with first motor (50), second motor (30), the described 3rd Motor (40) electrically connects, and the controller controls first motor (50), described second respectively by three drivers Motor (30), the 3rd motor (40).
- 7. pH value test device according to any one of claim 1 to 6, it is characterised in that the pH value test device Also include mounting head, the mounting head is movably disposed in the second support, pH value test probe (20) installation In the mounting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352986.8U CN206832737U (en) | 2017-04-06 | 2017-04-06 | PH value test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352986.8U CN206832737U (en) | 2017-04-06 | 2017-04-06 | PH value test device |
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| Publication Number | Publication Date |
|---|---|
| CN206832737U true CN206832737U (en) | 2018-01-02 |
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ID=60766652
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720352986.8U Active CN206832737U (en) | 2017-04-06 | 2017-04-06 | PH value test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444329A (en) * | 2018-11-27 | 2019-03-08 | 中国科学院合肥物质科学研究院 | A kind of pH value detection device and method |
| CN112946045A (en) * | 2021-02-01 | 2021-06-11 | 全永亮 | Fruit acid detection device for fruit processing |
-
2017
- 2017-04-06 CN CN201720352986.8U patent/CN206832737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444329A (en) * | 2018-11-27 | 2019-03-08 | 中国科学院合肥物质科学研究院 | A kind of pH value detection device and method |
| CN112946045A (en) * | 2021-02-01 | 2021-06-11 | 全永亮 | Fruit acid detection device for fruit processing |
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