CN208350270U - A kind of pressure switch automatic Regulation detection device - Google Patents
A kind of pressure switch automatic Regulation detection device Download PDFInfo
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- CN208350270U CN208350270U CN201820963113.5U CN201820963113U CN208350270U CN 208350270 U CN208350270 U CN 208350270U CN 201820963113 U CN201820963113 U CN 201820963113U CN 208350270 U CN208350270 U CN 208350270U
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Abstract
The utility model provides a kind of pressure switch automatic Regulation detection device, belongs to field of mechanical technique.It solves the problems, such as that existing pressure switch also needs artificial pressure regulation.This pressure switch automatic Regulation detection device includes PLC, rack and pressure regulation platform, the tooling base and support plate fixed vertically that front and back vertically moves are installed on pressure regulation platform, the inlet and outlet cylinder vertically moved before and after controllable tooling base is installed in support plate, frock clamp is provided on tooling base, the front of support plate is provided with liftable vertical shift slide plate, the front of vertical shift slide plate is provided with transversely movable traversing slide plate, the front of traversing slide plate is provided with rotating servo motor and drives the screwdriver bit of rotation by rotating servo motor, the lift servo motor that vertical shift slide plate can be driven to go up and down is provided at the top of support plate, the side of vertical shift slide plate is equipped with the transverse cylinder that can drive traversing slide plate transverse shifting, the utility model has high degree of automation, pressure regulation efficiency is high, the high advantage of regulation precision.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of automatic Regulation detection device, in particular to a kind of pressure
Switch automatic Regulation detection device.
Background technique
Pressure switch is the device combined with electric switch, when reaching preset Fluid pressure, make and break contact
Movement.It is mainly used in output alarm or control signal on the industrial equipments such as power plant, petrochemical industry, metallurgy industry, in industrial circle
There is important purposes.
With the development of science and technology, traditional industries also start technological innovation, for example in the market using relatively it is extensive it is automatic from
Sucking pump is collocated with pressure switch thereon as shown in Figure 1, pressure switch is by bottom plate 1, stationary contact 2, movable contact 3, binding post 4, water flowing
Mouth 5, elastic slice 6, high-pressure stud 7 and low pressure stud 8 form, and are provided with 9 He of look nut on high-pressure stud 7 and low pressure stud 8
Spring 10, outlet pass 5 are connected on self priming pump and are connected with the water outlet of self priming pump, and hydraulic pressure is lower than bullet at outlet pass 5
When 10 power of spring on piece 6, stationary contact 2 and the contact of movable contact 3 are to control pump working, and hydraulic pressure is higher than at outlet pass 5
When 10 power of spring on elastic slice 6, stationary contact 2 and movable contact 3 disconnect controlling Pump Failure.
It is needed before pressure switch is installed on self priming pump on pressure regulation platform to the tune on high-pressure stud 7 and low pressure stud 8
Pressure nut 9 is adjusted, and just can guarantee that hydraulic pressure is just high at outlet pass 5 under rated condition in the self priming pump of different capacity in this way
In 10 power of spring on elastic slice 6, to control pump working.And it is enterprising to be placed on pressure regulation platform mostly to the pressure switch pressure regulation
Row, and pass through the look nut 9 on artificial rotary high pressure stud 7 and low pressure stud 8, this mode when common pressure regulation platform pressure regulation
Efficiency is lower, is unable to satisfy for sweeping production requirement, and the precision adjusted is low.
Summary of the invention
The purpose of this utility model is to provide a kind of the degree of automation for the above-mentioned problems in the prior art
Height, pressure regulation efficiency is high, the high pressure switch automatic Regulation detection device of regulation precision.
The purpose of this utility model can be realized by the following technical scheme: a kind of detection of pressure switch automatic Regulation is set
It is standby, including PLC, rack and several pressure regulation platforms being set in rack, which is characterized in that installed on the pressure regulation platform
Have can the front and back tooling base vertically moved and the support plate fixed vertically, controllable tooling bottom is installed in the support plate
The inlet and outlet cylinder that seat front and back vertically moves, the frock clamp for fixation pressure switch, institute are provided on the tooling base
The front for the support plate stated is provided with liftable vertical shift slide plate, and the front of the vertical shift slide plate is provided with transversely movable
Traversing slide plate, the front of the traversing slide plate are provided with rotating servo motor and drive batch of rotation by rotating servo motor
Head is provided with the lift servo motor that vertical shift slide plate can be driven to go up and down at the top of the support plate, the vertical shift slide plate
Side is equipped with the transverse cylinder that can drive traversing slide plate transverse shifting, be equipped on the pressure regulation platform in pressure switch
The appendix that outlet pass is connected, the front of the support plate, which is located at the lower section of traversing slide plate, is provided with several contacts
Head, when tooling base drives pressure switch mobile toward support plate direction, the stationary contact of pressure switch is contacted with contact head, pressure
The signal of switch can be transmitted to PLC by contact head.
In a kind of above-mentioned pressure switch automatic Regulation detection device, the frock clamp is by positioning seat and is mounted on
The compression cylinder of positioning seat two sides forms, and is provided with the rubber bodies that can play the role of air seal in the positioning seat.
In a kind of above-mentioned pressure switch automatic Regulation detection device, the top of the appendix passes through pressure regulation platform
It extends in the rubber bodies of frock clamp, the end of appendix is connected with gas source.
In a kind of above-mentioned pressure switch automatic Regulation detection device, gas is provided between the appendix and gas source
Path control system, the air-path control system include the air inlet pipe being connected with gas source, and the other end of air inlet pipe passes through threeway
Connector is connected to escape pipe, big exhaust pipe and smart exhaust pipe, and the escape pipe is connected with appendix, and escape pipe and gas transmission
Be provided with pressure sensor between pipe, solenoid valve be provided on the big exhaust pipe, be provided on smart exhaust pipe solenoid valve and
Throttle valve is provided with high-pressure pressure regulating valve, low pressure regulating pressure valve, solenoid valve and throttle valve in the air inlet pipe.PLC can be set in advance
Good high-pressure aerated pressure value, the pressure value of low inflation, the pressure value being vented greatly, low exhaust pressure value, pressure
Air pressure in force snesor monitoring pressure in real time switch, the air-path control system meeting when air pressure reaches respective value in pressure switch
Execute corresponding work.
In a kind of above-mentioned pressure switch automatic Regulation detection device, the lift servo motor is driven by screw rod
Vertical shift slide plate is mobile, is connected between the lift servo motor and screw rod by planetary reducer one, lift servo motor
It drives planetary reducer one to work, two vertical shift guide rails mobile for vertical shift slide plate is provided in the support plate.
In a kind of above-mentioned pressure switch automatic Regulation detection device, two are provided on the vertical shift slide plate for cross
The mobile traversing guide rail of slide plate is moved, one piece of fixed plate is installed, the front of the fixed plate is from top to bottom on the traversing slide plate
It is disposed with flanged plate and bearing block, the planetary reducer being connected with rotating servo motor is installed on the flanged plate
Two, the rotating servo motor drives planetary reducer two to work, and the output shaft of the planetary reducer two passes through bearing block,
The screwdriver bit is fixedly connected with by the output shaft of floating axle and planetary reducer two.
In a kind of above-mentioned pressure switch automatic Regulation detection device, the both sides of the vertical shift slide plate are mounted on
Limit plate, the transverse cylinder are fixed on one of limit plate, are mounted on two limit plates and traversing slide plate two
The damper of the corresponding setting of side position, when traversing slide plate transverse shifting, the damper of two sides plays buffer function.
In a kind of above-mentioned pressure switch automatic Regulation detection device, two are equipped on the pressure regulation platform for work
The mobile disengaging guide rail of pedestal is filled, is located at the front and rear sides of frock clamp on the pressure regulation platform and is respectively arranged with limit
Block is mounted on damper on two limited blocks, and when tooling base is moved forward and backward, the damper of front and rear sides plays buffering and makees
With.
In a kind of above-mentioned pressure switch automatic Regulation detection device, the front of the support plate is fixed with for supplying
The contact support shelf of several contacts head setting installation.
In a kind of above-mentioned pressure switch automatic Regulation detection device, on the rear wall of the support plate there are two settings
The reinforcing rib of protrusion.
Compared with prior art, this pressure switch automatic Regulation detection device realizes automation adjustment low pressure limit, pressure
Power is online, and detects pressure switch on off operating mode, reaches more special planes of one man operation, and the labor intensity of operator is obviously light
The detection of pine, product quality is controlled by pressure sensor, and sees that pointer pressure quality is more stable, more accurate than traditional artificial.
Detailed description of the invention
Fig. 1 is the schematic perspective view of existing pressure switch.
Fig. 2 is the schematic perspective view of this pressure switch automatic Regulation detection device.
Fig. 3 is schematic perspective view internal in this pressure switch automatic Regulation detection device.
Fig. 4 is cross-sectional view internal in this pressure switch automatic Regulation detection device.
Fig. 5 is the schematic diagram of air-path control system in this pressure switch automatic Regulation detection device.
In figure, 1, bottom plate；2, stationary contact；3, movable contact；4, binding post；5, outlet pass；6, elastic slice；7, high-pressure stud；8,
Low pressure stud；9, look nut；10, spring；11, rack；12, pressure regulation platform；13, tooling base；14, support plate；15, it passes in and out
Cylinder；16, frock clamp；17, vertical shift slide plate；18, traversing slide plate；19, rotating servo motor；20, screwdriver bit；21, lift servo
Motor；22, transverse cylinder；23, appendix；24, contact head；25, positioning seat；26, compression cylinder；27, rubber bodies；28, gas circuit
Control system；29, air inlet pipe；30, escape pipe；31, big exhaust pipe；32, smart exhaust pipe；33, pressure sensor；34, solenoid valve；
35, throttle valve；36, high-pressure pressure regulating valve；37, low pressure regulating pressure valve；38, screw rod；39, planetary reducer one；40, vertical shift guide rail；41,
Traversing guide rail；42, fixed plate；43, flanged plate；44, bearing block；45, planetary reducer two；46, floating axle；47, limit plate；
48, damper；49, guide rail is passed in and out；50, limited block；51, contact support shelf；52, reinforcing rib.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, this pressure switch automatic Regulation detection device includes PLC, touch screen, machine
Frame 11 and several pressure regulation platforms 12 being set in rack 11, being equipped on pressure regulation platform 12 can the tooling that vertically moves of front and back
Pedestal 13 and support plate 14 fixed vertically are equipped with the disengaging vertically moved before and after controllable tooling base 13 in support plate 14
Cylinder 15 is provided with the frock clamp 16 for fixation pressure switch on tooling base 13, and the front of support plate 14 is provided with can
The vertical shift slide plate 17 of lifting, the front of vertical shift slide plate 17 are provided with transversely movable traversing slide plate 18, and traversing slide plate 18 is just
Face is provided with rotating servo motor 19 and drives the screwdriver bit 20 of rotation by rotating servo motor 19, the top setting of support plate 14
There is the lift servo motor 21 that vertical shift slide plate 17 can be driven to go up and down, the side of vertical shift slide plate 17, which is equipped with, can drive traversing slide plate 18
The transverse cylinder 22 of transverse shifting is equipped with the appendix 23 being connected with outlet pass 5 in pressure switch on pressure regulation platform 12, props up
The front of fagging 14, which is located at the lower section of traversing slide plate 18, is provided with several contacts head 24, when tooling base 13 is opened with dynamic pressure
When closing mobile toward 14 direction of support plate, the stationary contact 2 of pressure switch is contacted with contact head 24, and the signal of pressure switch can be by this
Contact head 24 is transmitted to PLC, and main control part adds touch screen control pressure sensor 33, inlet and outlet cylinder 15, rotation by the PLC of mainstream
Servo motor 19, lift servo motor 21 and transverse cylinder 22, make machine various specifications workpiece speed, upper pressure limit,
Low pressure limit, more convenient debugging and application.
Further describe the gas circuit work system in this pressure switch automatic Regulation detection device in detail, frock clamp 16 is by fixed
Position seat 25 and the compression cylinder 26 for being mounted on 25 two sides of positioning seat form, and air seal can be played the role of by being provided in positioning seat 25
Rubber bodies 27, the top of appendix 23 passes through pressure regulation platform 12 and extends in the rubber bodies 27 of frock clamp 16, appendix 23
End be connected with gas source, air-path control system 28 is provided between appendix 23 and gas source, air-path control system 28 includes
The other end of the air inlet pipe 29 being connected with gas source, air inlet pipe 29 is connected to escape pipe 30, big exhaust pipe 31 by three-way connection
With smart exhaust pipe 32, escape pipe 30 is connected with appendix 23, and is provided with pressure sensing between escape pipe 30 and appendix 23
Device 33 is provided with solenoid valve 34 on big exhaust pipe 31, solenoid valve 34 and throttle valve 35, air inlet pipe 29 is provided on smart exhaust pipe 32
On be provided with high-pressure pressure regulating valve 36, low pressure regulating pressure valve 37, solenoid valve 34 and throttle valve 35, if the air pressure in pressure switch is too low,
When reaching high-pressure aerated pressure value, the high-pressure pressure regulating valve 36 in air-path control system 28 is opened by solenoid valve 34 and throttling
Valve 35 will be in gas quick high-pressure charged pressure switch；When air pressure in pressure switch is not up to the pressure of pressure regulation needs, i.e. low pressure
When the pressure value of inflation, low pressure regulating pressure valve 37, which is opened, opens the slow low pressure charged pressure of gas by solenoid valve 34 and throttle valve 35
The Central Shanxi Plain；When needing to adjust the low pressure of pressure switch, need for the gas in pressure switch to be discharged, the solenoid valve in big exhaust pipe 31
When 34 openings are vented to greatly the pressure value of low exhaust, the solenoid valve 34 in big exhaust pipe 31 is closed, smart exhaust pipe 32
Solenoid valve 34 and throttle valve 35, which are opened, carries out smart exhaust.
The working principle of this pressure switch automatic Regulation detection device is as follows: one, placing the pressure switch for needing to adjust
In frock clamp 16, tooling base 13 drives pressure switch mobile toward 14 direction of support plate under the driving of inlet and outlet cylinder 15,
Contact the stationary contact 2 of pressure switch with contact head 24；Two, gas source rushes the gas of certain pressure to the outlet pass 5 of pressure switch,
It separates the moving contact in pressure switch with static contact, is controlled in big exhaust pipe 31 and smart exhaust pipe 32 by pressure sensor 33
Solenoid valve 34 pressure switch is exhausted certain low pressure numerical value；Three, the decline of lift servo motor 21 keeps screwdriver bit 20 close
Between the one third to half position of 33 mesolow stud of pressure sensor, 8 look nut 9, by rotating servo motor
19 control screwdriver bits 20 rotate, while lift servo motor 21 is synchronized to follow and be screwed to look nut 9, until moving contact with it is quiet
Contact closure, screwdriver bit 20 stop rotating, and low pressure has mixed up, and lift servo motor 21 goes back to original position；Four, transverse cylinder 22 drives traversing
Slide plate 18 is moved to right to the surface of high-pressure stud 7, is controlled screwdriver bit 20 by rotating servo motor 19 and is rotated, while lift servo motor
21 synchronize to follow and screw to look nut 9, and pre-rotation look nut 96 to 8 encloses, after being charged to the setting value of high pressure, then
By pressure sensor 33 control the solenoid valve 34 in big exhaust pipe 31 and smart exhaust pipe 32 pressure switch is exhausted it is certain
Pressure value after stop exhaust, adjust look nut 9 counterclockwise and separated with static contact until moving contact, lift servo motor 21
It returns in situ；Five, finally the gas in pressure switch is emptied, unclamps the compression cylinder 26 in frock clamp 16, takes out pressure and open
It closes and completes.
As preferred structure, the lift servo motor 21 in this pressure switch automatic Regulation detection device passes through screw rod 38
It drives vertical shift slide plate 17 mobile, is connected between lift servo motor 21 and screw rod 38 by planetary reducer 1, lifting is watched
Taking motor 21 drives planetary reducer 1 to work, and two vertical shift guide rails mobile for vertical shift slide plate 17 are provided in support plate 14
40, it is provided with two traversing guide rails 41 mobile for traversing slide plates 18 on vertical shift slide plate 17, is equipped with one piece on traversing slide plate 18
The front of fixed plate 42, the fixed plate 42 is disposed with flanged plate 43 and bearing block 44 from top to bottom, installs on flanged plate 43
There is the planetary reducer 2 45 being connected with rotating servo motor 19, rotating servo motor 19 drives 2 45 work of planetary reducer
Make, and the output shaft of the planetary reducer 2 45 passes through bearing block 44, screwdriver bit 20 passes through floating axle 46 and planetary reducer 2 45
Output shaft be fixedly connected with.
In order to avoid vertical shift slide plate 17 and traversing slide plate 18 in this pressure switch automatic Regulation detection device on the move
Collision, the both sides of vertical shift slide plate 17 are mounted on limit plate 47, and transverse cylinder 22 is fixed on one of limit plate 47,
The damper 48 of setting corresponding with 18 liang of side positions of traversing slide plate is mounted on two limit plates 47, when traversing slide plate 18 is horizontal
To it is mobile when two sides damper 48 play buffer function, be equipped on pressure regulation platform 12 two for tooling base 13 it is mobile into
Guide rail 49 out are located on pressure regulation platform 12 at the front and rear sides of frock clamp 16 and are respectively arranged with limited block 50, two limited blocks
Damper 48 is mounted on 50, the damper 48 of front and rear sides plays buffer function when tooling base 13 is moved forward and backward.
As preferred structure, the front of the support plate 14 in this pressure switch automatic Regulation detection device, which is fixed with, to be used for
The contact support shelf 51 of installation is set for several contacts head 24, and there are two the reinforcing ribs of protrusion for setting on the rear wall of support plate 14
52。
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of pressure switch automatic Regulation detection device, including PLC, rack (11) and several being set on rack (11)
Pressure regulation platform (12), which is characterized in that be equipped on the pressure regulation platform (12) can front and back vertically move tooling base
(13) and vertically fixed support plate (14) is equipped in the support plate (14) longitudinal before and after controllable tooling base (13)
Mobile inlet and outlet cylinder (15) is provided with the frock clamp (16) for fixation pressure switch on the tooling base (13),
The front of the support plate (14) is provided with liftable vertical shift slide plate (17), the front setting of the vertical shift slide plate (17)
Have a transversely movable traversing slide plate (18), the front of the traversing slide plate (18) be provided with rotating servo motor (19) and
The screwdriver bit (20) of rotation is driven by rotating servo motor (19), being provided at the top of the support plate (14) can drive vertical shift sliding
The lift servo motor (21) of plate (17) lifting, the side of the vertical shift slide plate (17), which is equipped with, can drive traversing slide plate (18)
The transverse cylinder (22) of transverse shifting is equipped on the pressure regulation platform (12) and is connected with outlet pass in pressure switch (5)
Appendix (23), the front of the support plate (14) be located at the lower section of traversing slide plate (18) be provided with several can with it is quiet
The contact head (24) of contact (2) contact, PLC control inlet and outlet cylinder (15), rotating servo motor (19), lift servo motor (21)
It works with transverse cylinder (22).
2. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the tooling folder
Tool (16) is by positioning seat (25) and is mounted on the compression cylinder (26) of positioning seat (25) two sides and forms, and the positioning seat (25) is interior
It is provided with the rubber bodies (27) that can play the role of air seal.
3. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the appendix
(23) top passes through pressure regulation platform (12) and extends in the rubber bodies (27) of frock clamp (16), the end of appendix (23) with
External air source is connected.
4. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the appendix
(23) it is provided between external air source air-path control system (28), the air-path control system (28) includes being connected with gas source
The air inlet pipe (29) connect, the other end of air inlet pipe (29) by three-way connection be connected to escape pipe (30), big exhaust pipe (31) and
Smart exhaust pipe (32), the escape pipe (30) are connected with appendix (23), and between escape pipe (30) and appendix (23)
It is provided with pressure sensor (33), is provided with solenoid valve (34) on the big exhaust pipe (31), is arranged on smart exhaust pipe (32)
There are solenoid valve (34) and throttle valve (35), high-pressure pressure regulating valve (36), low pressure regulating pressure valve are provided in the air inlet pipe (29)
(37), solenoid valve (34) and throttle valve (35).
5. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the lifting is watched
Take motor (21) and drive vertical shift slide plate (17) mobile by screw rod (38), the lift servo motor (21) and screw rod (38) it
Between be connected by planetary reducer one (39), lift servo motor (21) drives planetary reducer one (39) work, described
Two vertical shift guide rails (40) mobile for vertical shift slide plate (17) are provided in support plate (14).
6. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the vertical shift is sliding
It is provided with two traversing guide rails (41) mobile for traversing slide plate (18) on plate (17), is equipped on the traversing slide plate (18)
The front of one piece of fixed plate (42), the fixed plate (42) is disposed with flanged plate (43) and bearing block (44), institute from top to bottom
The planetary reducer two (45) being connected with rotating servo motor (19) is installed on the flanged plate (43) stated, the rotation is watched
It takes motor (19) and drives planetary reducer two (45) work, and the output shaft of the planetary reducer two (45) passes through bearing block
(44), the screwdriver bit (20) is fixedly connected with by floating axle (46) and the output shaft of planetary reducer two (45).
7. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the vertical shift is sliding
The both sides of plate (17) are mounted on limit plate (47), and the transverse cylinder (22) is fixed on one of limit plate (47)
On, it is mounted on the damper (48) of setting corresponding with traversing (18) two side position of slide plate on two limit plates (47), works as cross
The damper (48) of two sides plays buffer function when moving slide plate (18) transverse shifting.
8. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the pressure regulation is flat
Two disengaging guide rails (49) mobile for tooling base (13) are installed on platform (12), are located at work on the pressure regulation platform (12)
It is respectively arranged at the front and rear sides of clamps (16) limited block (50), is mounted on damper on two limited blocks (50)
(48), when tooling base (13) are moved forward and backward, the damper (48) of front and rear sides plays buffer function.
9. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the support plate
(14) front is fixed with for the contact support shelf (51) for several contacts head (24) setting installation.
10. a kind of pressure switch automatic Regulation detection device according to claim 1, which is characterized in that the support
The reinforcing rib (52) of protrusion there are two being arranged on the rear wall of plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963113.5U CN208350270U (en) | 2018-06-21 | 2018-06-21 | A kind of pressure switch automatic Regulation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963113.5U CN208350270U (en) | 2018-06-21 | 2018-06-21 | A kind of pressure switch automatic Regulation detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208350270U true CN208350270U (en) | 2019-01-08 |
Family
ID=64880615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820963113.5U Expired - Fee Related CN208350270U (en) | 2018-06-21 | 2018-06-21 | A kind of pressure switch automatic Regulation detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208350270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645557A (en) * | 2018-06-21 | 2018-10-12 | 台州科睿自动化设备有限公司 | A kind of pressure switch automatic Regulation detection device |
| CN110672254A (en) * | 2019-10-17 | 2020-01-10 | 长春光华学院 | Pressure monitoring device for heat treatment and use method |
| CN114864333A (en) * | 2022-04-27 | 2022-08-05 | 浙江力夫自控技术股份有限公司 | Pressure switch pressure regulating equipment and pressure regulating control method |
-
2018
- 2018-06-21 CN CN201820963113.5U patent/CN208350270U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645557A (en) * | 2018-06-21 | 2018-10-12 | 台州科睿自动化设备有限公司 | A kind of pressure switch automatic Regulation detection device |
| CN110672254A (en) * | 2019-10-17 | 2020-01-10 | 长春光华学院 | Pressure monitoring device for heat treatment and use method |
| CN114864333A (en) * | 2022-04-27 | 2022-08-05 | 浙江力夫自控技术股份有限公司 | Pressure switch pressure regulating equipment and pressure regulating control method |
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| 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: 20190108 Termination date: 20190621 |