CN206920016U - A kind of photometer - Google Patents
A kind of photometer Download PDFInfo
- Publication number
- CN206920016U CN206920016U CN201720866324.2U CN201720866324U CN206920016U CN 206920016 U CN206920016 U CN 206920016U CN 201720866324 U CN201720866324 U CN 201720866324U CN 206920016 U CN206920016 U CN 206920016U
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- Prior art keywords
- protective cover
- detector body
- coupled
- photometer
- button
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Abstract
The utility model discloses a kind of photometer, its drip irrigation device is to include photometer body, and the detector body of photometer body is connected to by signal transmssion line, probe is provided with detector body, protective cover is hinged with detector body, protective cover can be horizontally rotated relative to detector body to cover probe, fixed ear is provided with protective cover, the electric control lock coordinated with fixed ear is provided with detector body, boot portion is provided with detector body, switch portion is electrically connected with boot portion, the enabling signal that switch portion is exported in response to boot portion is to control the keying of electric control lock.Protective cover is fixed by fixed ear by the application, protective cover can be avoided to be opened because of fortuitous event, and during protective cover unlatching, protective cover is connected with detector body, can avoid protecting losing of cover, so as to improve the protection to probe to a certain extent.
Description
Technical field
Light-metering devices field is the utility model is related to, more particularly to a kind of photometer.
Background technology
Illuminance is an important unit in optical metrology, for representing the light being subject on subject surface unit area
Flux, it is an important indicator for weighing shooting environmental.With the development of national economy, industry agricultural is emerging with civil buildings
Rise, particularly real estate develops rapidly in recent years, and illumination photometer obtained substantial amounts of use.
Illumination photometer is a kind of special measurement luminosity, the instrument and meter of brightness.The light obtained by body surface is exactly measured to lead to
The ratio between amount and face to be illuminated product.Usual illumination photometer is made up of selenium cell or silicon photocell and microampere meter.
Traditional illumination photometer sets the illumination photometer body of single-chip microcomputer, illumination photometer body is connected to by signal transmssion line in including
Detector body, be provided with probe in detector body, to ensure the precision of illuminance detection, the protection for probe is very
Necessity, generally understand on probe covered with a protective cover, but split settings between protective cover and detector body, used in detection
Cheng Zhong, due to the carelessness of staff, protect the situation of losing of cover to happen occasionally, lose the probe of protective cover protection, cause
The service life of probe declines.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of photometer, can be in certain journey
The protection to probe is improved on degree.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of photometer, including photometer body and the detector that photometer body is connected to by signal transmssion line
Body, probe being provided with the detector body, protective cover being hinged with the detector body, the protective cover can be relative
Horizontally rotate in detector body to cover probe, be provided with fixed ear on the protective cover, set in the detector body
There is the electric control lock coordinated with fixed ear, be provided with boot portion in the detector body, switch is electrically connected with the boot portion
Portion, the enabling signal that the switch portion is exported in response to boot portion is to control the keying of electric control lock.
Pass through above-mentioned technical proposal, boot portion export an enabling signal to switch portion, switch portion control electric control lock and obtain electric, electricity
Control lock separates with fixed ear, and now, staff only needs to horizontally rotate protective cover, and now, probe will exposure
And go out, staff can carry out luminous intensity measurement work；, will by horizontally rotating protective cover after the photometer use
Protective cover is covered on probe again, and the fixation of protective cover can be completed by locking fixed ear by electric control lock, and the application passes through electricity
Control lock protective cover is fixed, protective cover can be avoided to be opened because of fortuitous event, and protective cover open when, protective cover with
Detector body is connected, and can avoid protecting losing of cover, so as to improve the protection to probe to a certain extent.
Preferably, there is fixing hole in the fixed ear, housing that the electric control lock includes being arranged in detector body,
And be slidably installed and be used for the dead bolt mutually chimeric with fixing hole in the housing, the end set of the dead bolt has sheet metal, described
The electromagnet attracted with sheet metal is provided with housing, the electromagnet is electrically connected to switch portion, is provided with and uses in the housing
In the elastic spring for providing dead bolt elastic force.
Pass through above-mentioned technical proposal, it is electric that switch portion controls electromagnet to obtain, and electromagnet produces magnetic and sheet metal is adsorbed,
Now, if dead bolt is mutually chimeric with the fixing hole in fixed ear, dead bolt will exit under the driving of electromagnet from fixing hole, so that
Obtaining protective cover can freely rotate.
Preferably, it is connected with torsion spring on the jointed shaft of the protective cover.
Pass through above-mentioned technical proposal, torsion spring provides the horizontal rotatory force of protective cover, when electric control lock separates with fixed ear,
Torsion spring can drive protective cover to be removed from probe.
Preferably, the end of the dead bolt offers guide surface, and the guide surface is towards protective cover rotation direction side.
Pass through above-mentioned technical proposal, after the photometer use, by horizontally rotating protective cover, protective cover will contradict
On the guide surface of dead bolt, so as to which dead bolt will slide in the presence of guide surface, until dead bolt is plugged on the fixing hole of fixed ear
In.
Preferably, the boot portion has some buttons, and the boot portion is used to only detect default part button quilt
An enabling signal is exported when triggering simultaneously.
Pass through above-mentioned technical proposal, boot portion are arranged to some buttons, thus avoid boot portion to be missed to a certain extent
Triggering.
Preferably, the boot portion includes：
Button one, its one end is coupled to Vcc voltage；
Button two, its one end is coupled to Vcc voltage；
Button three, its one end is coupled to Vcc voltage；
Not circuit, its input are coupled to the other end of button one；
With gate circuit one, there is first input end, the second input and output end, its first input end is coupled to button two
The other end, its second input is coupled to the other end of button three；
With gate circuit two, there is first input end, the second input and output end, its first input end is coupled to NOT gate electricity
The output end on road, its second input are coupled to the output end with gate circuit one, and its output end is coupled to switch portion.
Pass through above-mentioned technical proposal, when button two and button three are triggered, with the first input end of gate circuit one and
Two inputs will be introduced into the signal of high level, thus, the signal of high level be exported to the with gate circuit two with gate circuit one
Two inputs, because button one is not triggered, the signal of high level is introduced with the first input end of gate circuit two, thus, with door
Circuit two exports the signal of high level to switch portion.
Preferably, the switch portion is bidirectional triode thyristor, and the both ends of the bidirectional triode thyristor are serially connected in the power supply of electromagnet
On loop, the control terminal of the bidirectional triode thyristor is coupled to boot portion.
Pass through above-mentioned technical proposal, bidirectional triode thyristor have the characteristic of electrical isolation, reach protection boot portion component
Purpose.
In summary, the utility model having the beneficial effect that in contrast to prior art：
Protective cover is fixed by fixed ear by the application, protective cover can be avoided to be opened because of fortuitous event, and
When protective cover is opened, protective cover is connected with detector body, can avoid protecting losing of cover, so as to improve to a certain extent
Protection to probe.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the structural representation of detector body；
Fig. 3 is the side view of detector body；
Fig. 4 is the first structure schematic diagram of electric control lock；
Fig. 5 is the second structural representation of electric control lock；
Fig. 6 is the circuit diagram of embodiment；
Fig. 7 is the circuit diagram of boot portion；
Fig. 8 is the circuit diagram of switch portion.
Reference：1st, photometer body；2nd, signal transmssion line；3rd, detector body；4th, display screen；5th, pop one's head in；6th, prevent
Protecting cover；7th, torsion spring；8th, fixed ear；9th, fixing hole；10th, electric control lock；101st, housing；102nd, dead bolt；103rd, sheet metal；104th, electromagnetism
Iron；105th, elastic spring；106th, guide surface；11st, boot portion；111st, button one；112nd, button two；113rd, button three.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of photometer, including photometer body 1 and photometer is connected to by signal transmssion line 2
The detector body 3 of body 1, single-chip microcomputer is provided with photometer body 1, display screen 4 is provided with photometer body 1, detect
Probe 5 is provided with device body 3, the collection photometric data of probe 5 is transmitted into photometer body 1 through signal transmssion line 2, by list
The conversion process of piece machine in display screen 4 to show.
As shown in Fig. 2 being hinged with protective cover 6 in detector body 3, protective cover 6 can turn relative to detector body 3 is horizontal
Move to cover probe 5, be connected with torsion spring 7 on the jointed shaft of protective cover 6, thus, protective cover 6 can only edge in the presence of torsion spring 7
Detector body 3 horizontally rotates 180 °.Wherein, fixed ear 8, fixed ear 8 and the jointed shaft of protective cover 6 are provided with protective cover 6
It is oppositely arranged, the electric control lock 10 coordinated with fixed ear 8 is provided with detector body 3, in the present embodiment, in detector body 3
Boot portion 11 and switch portion are provided with, switch portion is electrically connected to boot portion 11 and electric control lock 10 respectively, when boot portion 11 is triggered
An enabling signal is exported to switch portion, switch portion is in response to enabling signal to control the keying of electric control lock 10.
With reference to shown in Fig. 3 and Fig. 4, fixing hole 9 is provided with fixed ear 8, electric control lock 10 includes being arranged on detector body 3
On housing 101 and the dead bolt 102 that is slidably mounted on housing 101, when horizontally rotating protective cover 6, to cause protective cover 6
When being covered on probe 5, fixed ear 8 is relative with electric control lock 10, and the dead bolt 102 of electric control lock 10, which will be plugged in fixing hole 9, to be completed
The fixation of protective cover 6.Wherein, the end set of dead bolt 102 has sheet metal 103, is provided with housing 101 and the phase of sheet metal 103
The electromagnet 104 of adhesive, electromagnet 104 are electrically connected to switch portion, provided with the bullet of the elastic force of dead bolt 102 in housing 101
Power spring 105, one end of elastic spring 105 are connected to the bottom of housing 101, and the other end of elastic spring 105 is connected to dead bolt
On 102.
What deserves to be explained is as shown in figure 5, the end of dead bolt 102 offers guide surface 106, guide surface 106 is towards protection
The rotation direction side of lid 6, in the present embodiment, the angle of inclination of guide surface 106 is between 40 ° ~ 50 °.
With reference to shown in Fig. 2 and Fig. 6, in the present embodiment, electric control lock 10, boot portion 11, switch portion are supplied using battery
Electricity, battery are arranged in detector body 3.Wherein, boot portion 11 has some buttons, and some buttons are arranged on detector body
On 3, the boot portion 11 is used to only export an enabling signal when detecting that default part button is concurrently triggered.
As shown in fig. 7, boot portion 11 includes：Button 1, its one end is coupled to Vcc voltage；Button 2 112, its one end
It is coupled to Vcc voltage；Button 3 113, its one end is coupled to Vcc voltage；Not circuit F1, its input are coupled to button one
111 other end；With the U1 of gate circuit one, there is first input end, the second input and output end, its first input end is coupled to
The other end of button 2 112, its second input are coupled to the other end of button 3 113；It is defeated with first with the U2 of gate circuit two
Enter end, the second input and output end, its first input end and be coupled to not circuit F1 output end, the coupling of its second input
In the output end with the U1 of gate circuit one, its output end is coupled to switch portion.
As shown in figure 8, switch portion is bidirectional triode thyristor SCR, bidirectional triode thyristor SCR both ends are serially connected in electromagnet 104
On current supply circuit, bidirectional triode thyristor SCR control terminal is coupled to boot portion 11.
The course of work：
When protective cover 6 is covered on probe 5, the dead bolt 102 of electric control lock 10 will be plugged in the fixing hole 9 of fixed ear 8,
By triggering button 2 112 and button 3 113, boot portion 11 exports an enabling signal to switch portion, switch portion control electromagnet
104 must be electric, and electric control lock 10 controls its dead bolt 102 to depart from from the fixing hole 9 of fixed ear 8, and now, protective cover 6 is by torsion spring 7
Removed under effect from probe 5, staff can carry out luminous intensity measurement work；
After the photometer use, protective cover 6 is covered on probe 5 i.e. again by horizontally rotating protective cover 6
Can, protective cover 6 is fixed by electric control lock 10 by the application, protective cover 6 can be avoided to be opened because of fortuitous event, and from preventing
When protecting cover 6 is opened, protective cover 6 is connected with detector body 3, and protective cover 6 can be avoided to lose, so as to improve to a certain extent
Protection to probe 5.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, the scope of protection of the utility model is determined by appended claim.
Claims (7)
1. a kind of photometer, including photometer body (1) and photometer body (1) is connected to by signal transmssion line (2)
Detector body (3), probe (5) is provided with the detector body (3), it is characterized in that, cut with scissors on the detector body (3)
Protective cover (6) is connected to, the protective cover (6) can horizontally rotate relative to detector body (3) to be popped one's head in (5) to cover, described anti-
Fixed ear (8) is provided with protecting cover (6), the electric control lock coordinated with fixed ear (8) is provided with the detector body (3)
(10) boot portion (11), is provided with the detector body (3), switch portion is electrically connected with the boot portion (11), it is described
The enabling signal that switch portion is exported in response to boot portion (11) is to control the keying of electric control lock (10).
2. a kind of photometer according to claim 1, it is characterized in that, there is fixing hole (9), institute on the fixed ear (8)
Stating electric control lock (10) includes the housing (101) in detector body (3) and is slidably mounted in housing (101) to use
In the dead bolt (102) mutually chimeric with fixing hole (9), the end set of the dead bolt (102) has sheet metal (103), the housing
(101) it is provided with and is electrically connected to switch portion with the attracted electromagnet (104) of sheet metal (103), the electromagnet (104),
Provided with the elastic spring (105) of dead bolt (102) elastic force in the housing (101).
3. a kind of photometer according to claim 2, it is characterized in that, it is connected with torsion on the jointed shaft of the protective cover (6)
Spring (7).
4. a kind of photometer according to claim 3, it is characterized in that, the end of the dead bolt (102) offers guide surface
(106), the guide surface (106) is towards protective cover (6) rotation direction side.
5. a kind of photometer according to claim 1, it is characterized in that, the boot portion (11) has some buttons, and this is opened
Dynamic portion (11) are used to only export an enabling signal when detecting that default part button is concurrently triggered.
6. a kind of photometer according to claim 5, it is characterized in that, the boot portion (11) includes：
Button one (111), its one end are coupled to Vcc voltage；
Button two (112), its one end are coupled to Vcc voltage；
Button three (113), its one end are coupled to Vcc voltage；
Not circuit, its input are coupled to the other end of button one (111)；
With gate circuit one, there is first input end, the second input and output end, its first input end is coupled to button two
(112) the other end, its second input are coupled to the other end of button three (113)；
With gate circuit two, there is first input end, the second input and output end, its first input end is coupled to not circuit
Output end, its second input are coupled to the output end with gate circuit one, and its output end is coupled to switch portion.
7. a kind of photometer according to claim 2, it is characterized in that, the switch portion is bidirectional triode thyristor, described two-way
The both ends of controllable silicon are serially connected on the current supply circuit of electromagnet (104), and the control terminal of the bidirectional triode thyristor is coupled to boot portion
(11)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866324.2U CN206920016U (en) | 2017-07-17 | 2017-07-17 | A kind of photometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866324.2U CN206920016U (en) | 2017-07-17 | 2017-07-17 | A kind of photometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920016U true CN206920016U (en) | 2018-01-23 |
Family
ID=61347604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866324.2U Expired - Fee Related CN206920016U (en) | 2017-07-17 | 2017-07-17 | A kind of photometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000699A1 (en) * | 2021-07-20 | 2023-01-26 | 河北地质大学 | Fluorescence sensor for rail power supply system |
-
2017
- 2017-07-17 CN CN201720866324.2U patent/CN206920016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000699A1 (en) * | 2021-07-20 | 2023-01-26 | 河北地质大学 | Fluorescence sensor for rail power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20200717 |