CN110081223A - A kind of locking system and its control method for heat supply pipeline - Google Patents
A kind of locking system and its control method for heat supply pipeline Download PDFInfo
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- CN110081223A CN110081223A CN201910396926.XA CN201910396926A CN110081223A CN 110081223 A CN110081223 A CN 110081223A CN 201910396926 A CN201910396926 A CN 201910396926A CN 110081223 A CN110081223 A CN 110081223A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Telephonic Communication Services (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a kind of locking systems and its control method for heat supply pipeline, including for controlling the lock valve of water flow on-off and locking valve shell in heat supply pipeline, the locking valve shell is arranged outside lock valve, it further include for controlling the controller of locking valve events, the wireless communication module for controller to be connect with mobile phone wireless and the remote server for being stored with user balance information, the lock valve is equipped with the controller and the wireless communication module, and the lock valve is electrically connected with the controller；The locking valve shell is equipped with the two dimensional code for the handset identity, and the two dimensional code is corresponding with the wireless communication module；Module is wirelessly connected by wireless communication for the remote server and the controller；It prevents user from stealing heat privately and steals heat, realize the long-range control of lock valve, reduce the calculating deviation of whole user's total heat duties in section, guarantee user's heating effect.
Description
Technical field
The present invention relates to heat supply pipeline locking system technical fields, and in particular to a kind of locking system for heat supply pipeline
And its control method.
Background technique
In district heating system, heat supply company is provided with lock valve on the heat supply pipeline of each household, carries out to each household
Individually control；In the prior art, traditional lock valve is hand control valve, and there are many defects for such lock valve, such as: in user
Lock valve is opened in the case where not paying dues privately and carries out hot surreptitiously heat steathily, to cause heat supply company negative to section entirety user's total heat
The calculating of lotus generates deviation, accurately can not send heat for the user of section, reduce the heating effect at paid expense family.
Summary of the invention
The present invention in order to overcome the deficiencies of the above existing technologies, provide a kind of locking system for heat supply pipeline and
Its control method carries out inquiry judging by balance information of the remote server to user, it is ensured that lock valve is only in user balance number
For that can be turned on when value is greater than 0, when user balance numerical value is less than or equal to 0, lock valve is remained off；Prevent user private
Heat is stolen from heat is stolen, realizes the long-range control of lock valve, the calculating deviation of whole user's total heat duties in section is reduced, guarantees user
Heating effect.
The technical scheme adopted by the invention to solve the technical problem is that:
A kind of locking system for heat supply pipeline, including the lock valve and lock for controlling water flow on-off in heat supply pipeline
Valve closing shell, the locking valve shell are arranged outside lock valve, further include for controlling the controller of locking valve events, for inciting somebody to action
Wireless communication module that controller is connect with mobile phone wireless and the remote server for being stored with user balance information, the lock valve
It is equipped with the controller and the wireless communication module, the lock valve is electrically connected with the controller；On the locking valve shell
Equipped with the two dimensional code for the handset identity, the two dimensional code is corresponding with the wireless communication module；The remote server
Module is wirelessly connected by wireless communication with the controller.
Preferably, the lock valve includes electromagnetic lock core and can be by the electromagnet of electromagnetic lock core actuation, the electromagnetism
Spring is connected between iron and the electromagnetic lock core, the electromagnetic lock core passes through the preset through-hole of pipeline outer wall and is radially into along pipeline
In pipeline, electromagnetic lock core is moved by the elastic force effect of the suction and spring of electromagnet along the radial direction of pipeline, the pipeline
The interior lock structure being equipped with the electromagnetic lock core matching ends, electromagnet are electrically connected with the controller.
The controller model uses STC15W404S, and the wireless communication module model uses Air202U.
Preferably, the lock structure in the pipeline includes two inclined plates and a level board, and the inclined plate is semiellipse
Shape plate structure, the rectilinear end of one of them inclined plate are connect with the forward end seal of the level board, the camber line end of inclined plate with
Inner wall of the pipe is tightly connected, and the rectilinear end of another inclined plate is connect with the back-end sealing of the level board, another inclined plate
Camber line end and inner wall of the pipe be tightly connected, the left and right ends of level board with tube wall be tightly connected, described two inclined plates and one
A level board is an integral structure, and the level board is equipped with the through-hole matched with the electromagnetic lock core end construction.
Preferably, the end of the electromagnetic lock core has taper.
Preferably, two inclined plates are arranged in parallel.
Preferably, the level board is equipped with for detecting the temperature sensor of water flow temperature and detection in heat supply pipeline
The flow sensor of water flow, the temperature sensor are electrically connected with flow sensor with the controller.
The temperature sensor model uses PT100, and the flow sensor model uses MISENSOR FM13.
A kind of control method for above-mentioned locking system, includes the following steps:
S1, user, to two dimensional code barcode scanning, obtain the communication permission of this locking system wireless communication module by mobile phone；
S2, user send the operation requests opened or closed to the wireless communication module by mobile phone；
The operation request signal is transmitted to controller by S3, the wireless communication module；
S4, controller judge the operation requests；
S5, controller control electromagnetic lock core movement, to control the on-off of lock valve.
Preferably, the step S4 includes the following steps:
S41: if the operation requests are turn-off request, controller controls electromagnetic lock core and stretches out, and lock valve is to heat supply pipeline
Shut off, end of operation；
If operation requests are to open request, S42 is entered step；
S42: operation requests are sent to remote server to controller by module by wireless communication；Remote server obtains institute
The corresponding user information of controller is stated, and the remaining sum numerical value of the user information is inquired and judged, if remaining sum numerical value is greater than
0, then enter step S43；If remaining sum numerical value is less than or equal to 0, S44 is entered step；
S43: remote server sends open signal to wireless communication module, and wireless communication module passes the open signal
Controller is transported to, controller controls electromagnetic lock core and withdraws, and lock valve stopping shuts off to heat supply pipeline, end of operation；
S44: remote server sends shutdown signal to wireless communication module, and wireless communication module passes the shutdown signal
Controller is transported to, controller controls electromagnetic lock core and stretches out, and lock valve shuts off to heat supply pipeline, end of operation, end of operation.
The beneficial effects of the present invention are:
1, by setting wireless communication module, controller is connect with mobile phone wireless, mobile phone is obtained by identification two dimensional code
The wireless communication module communicates permission, and sends operation requests from mobile phone to wireless communication module, and wireless communication module should
Operation requests are transmitted to controller, are once judged by controller, then controller by the operation requests by wireless communication
Module is sent to remote server, carries out secondary judgement by remote server, final remote server passes through wireless to controller
The instruction of communication module feedback operation, controller control lock valve on-off；
This system is sent by mobile phone to the operation requests of lock valve by user, and by controller and remote server into
Row judges twice, finally makes the operation requests of locking response valve user, is looked by balance information of the remote server to user
Ask judgement, it is ensured that lock valve is less than or equal to 0 only when user balance numerical value is greater than 0 for that can be turned on, in user balance numerical value
When lock valve remain off；It prevents user from stealing heat privately and steals heat, realize the long-range control of lock valve.
2, inner wall of the pipe is blocked by two inclined plates and level board and is sealed, a through-hole is only set on level board, it is described
Through-hole and electromagnetic lock core end cooperate, realize in pipe shut off with it is through-flow, structure cooperation is simple and easy, facilitate realize it is logical in pipeline
The control flowed and shut off.
3, the structure with taper is set by electromagnetic lock core end, buffer function is played when shutting off, and be convenient for electromagnetism
The end of lock core is inserted into the through-hole of level board.
4, two inclined plates are arranged in parallel, and guarantee that inclined plate is uniform by the pressure of in-pipe flow, extension tube inner locking structure
Service life.
5, by setting temperature sensor and flow sensor, and temperature sensor and flow are passed by wireless communication module
The real-time Data Transmission that sensor obtains to remote server, convenient for remote server to the data on flows of each household and temperature data into
Row monitoring and unified management.
6, controller once judges the operation requests that mobile phone is sent, and if turn-off request, then controller control is locked
Valve closing is directly closed, and without carrying out secondary judgement, it is rapid to turn off response；If not opening request, controller asks the operation
Ask by wireless communication module be sent to remote server and carry out secondary judgement, it is ensured that lock valve is only greater than in user balance numerical value
It is turned in the case where 0, prevents user from stealing heat privately and steal heat, realize the long-range control of lock valve, reduce whole user in section
The calculating deviation of total heat duties guarantees user's heating effect.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view in Fig. 1 at A-A；
Fig. 3 is control flow chart of the invention；
In figure: 1, lock valve, 11, electromagnetic lock core, 12, electromagnet, 13, spring, 2, locking valve shell, 21, two dimensional code, 3,
Controller, 4, wireless communication module, 5, lock structure, 51, inclined plate, 52, level board.
Specific embodiment
For a better understanding of the present invention, embodiments of the present invention are explained in detail with reference to the accompanying drawing.
As shown in Figs. 1-2, a kind of locking system for heat supply pipeline, including lock valve 1 and locking valve shell 2, it is described
Locking valve shell 2 be arranged outside lock valve 1, further include for control the controller 3 of 1 on-off of lock valve, for by controller 3 with
The wireless communication module 4 of mobile phone wireless connection and the remote server for being stored with user balance information, the lock valve 1 and heat supply
Pipeline outer wall connection is equipped with lock structure 5 in heat supply pipeline, is equipped in lock valve 1 and matches with the lock structure 5 in pipeline
Electromagnetic lock core 11 and the electromagnet 12 that can be attracted electromagnetic lock core 11, are connected between the electromagnet 12 and electromagnetic lock core 11
Spring 13, the electromagnet 12 are electrically connected with controller 3, and lock valve 1 is equipped with the controller 3 and the wireless communication module
4；The locking valve shell 2 is equipped with the two dimensional code 21 for the handset identity, the two dimensional code 21 and the radio communication mold
Block 4 is corresponding；Module 4 is wirelessly connected by wireless communication for the remote server and the controller 3.
A kind of locking system for heat supply pipeline, including 1 He of lock valve for controlling water flow on-off in heat supply pipeline
Locking valve shell 2, the locking valve shell 2 are arranged outside lock valve 1, further include for control the controller 3 of locking valve events,
Wireless communication module 4 for controller 3 to be connect with mobile phone wireless and the remote server for being stored with user balance information, institute
Lock valve 1 is stated equipped with the controller 3 and the wireless communication module 4, the lock valve 1 is electrically connected with controller 3；It is described
Locking valve shell 2 is equipped with the two dimensional code 21 for the handset identity, and the two dimensional code 21 is opposite with the wireless communication module 4
It answers；Module 4 is wirelessly connected by wireless communication for the remote server and the controller 3.
The lock valve 1 includes electromagnetic lock core 11 and the electromagnet 12 that can be attracted electromagnetic lock core 11, the electromagnetism
Spring 13 is connected between iron 12 and the electromagnetic lock core 11, the electromagnetic lock core 11 passes through the preset through-hole of pipeline outer wall along pipeline
It is radially into pipeline, electromagnetic lock core 11 acts on the radial direction along pipeline by the suction of electromagnet 12 and the elastic force of spring 13
It is mobile, the lock structure 5 with 11 matching ends of electromagnetic lock core, 3 electricity of electromagnet 12 and controller are equipped in the pipeline
Connection.
3 model of controller uses STC15W404S, and 4 model of wireless communication module uses Air202U.
By the way that wireless communication module 4 is arranged, controller 3 is connect with mobile phone wireless, mobile phone is obtained by identification two dimensional code 21
It takes the wireless communication module 4 to communicate permission, and sends operation requests, wireless communication module 4 from mobile phone to wireless communication module 4
The operation requests are transmitted to controller 3, are once judged by controller 3, then the operation requests are passed through nothing by controller 3
Line communication module 4 is sent to remote server, carries out secondary judgement by remote server, and final remote server is to controller 3
4 feedback operation of module instructs by wireless communication, and controller 3 controls 1 on-off of lock valve；
This system sends the operation requests to lock valve 1 by mobile phone by user, and passes through controller 3 and remote server
Judged twice, lock valve 1 is finally made to respond the operation requests of user, is carried out by balance information of the remote server to user
Inquiry judging, it is ensured that lock valve 1 is only that can be turned on when user balance numerical value is greater than 0, be less than in user balance numerical value etc.
Lock valve 1 remains off when 0；It prevents user from stealing heat privately and steals heat, realize the long-range control of lock valve 1.
Lock structure 5 in the pipeline includes two inclined plates 51 and a level board 52, and the inclined plate 51 is semiellipse
Shape plate structure, the rectilinear end of one of them inclined plate 51 are connect with the forward end seal of the level board 52, the arc of inclined plate 51
Line end and inner wall of the pipe are tightly connected, and the rectilinear end of another inclined plate 51 is connect with the back-end sealing of the level board 52, separately
The camber line end of one inclined plate 51 and inner wall of the pipe are tightly connected, and the left and right ends of level board 52 are tightly connected with tube wall；
Described two inclined plates 51 are an integral structure with a level board 52, and the level board 52 is equipped with and the electromagnetism
The through-hole that 11 end construction of lock core matches.
Inner wall of the pipe is blocked by two inclined plates 51 and level board 52 and is sealed, a through-hole is only set on level board 52,
The through-hole and 11 end of electromagnetic lock core cooperate, realize in pipe shut off with it is through-flow, structure cooperation is simple and easy, facilitates realization pipe
It is through-flow with the control shut off in road.
The end of the electromagnetic lock core 11 has taper, plays buffer function, and when shutting off convenient for electromagnetic lock core 11
End is inserted into the through-hole of level board 52.
Two inclined plates 51 are arranged in parallel, guarantee that inclined plate 51 is uniform by the pressure of in-pipe flow, in extension tube
The service life of lock structure 5.
The level board 52 is equipped with for detecting the temperature sensor of water flow temperature and detection water flow in heat supply pipeline
The flow sensor of flow, the temperature sensor are electrically connected with flow sensor with the controller 3.
The temperature sensor model uses PT100, and the flow sensor model uses MISENSOR FM13.
Temperature sensor and flow are passed by setting temperature sensor and flow sensor, and by wireless communication module 4
The real-time Data Transmission that sensor obtains to remote server, convenient for remote server to the data on flows of each household and temperature data into
Row monitoring and unified management.
A kind of control method for above-mentioned locking system, includes the following steps:
S1, user, to 21 barcode scanning of two dimensional code, obtain the communication permission of this locking system wireless communication module 4 by mobile phone；
S2, user send the operation requests opened or closed to the wireless communication module 4 by mobile phone；
The operation request signal is transmitted to controller 3 by S3, the wireless communication module 4；
S4, controller 3 judge the operation requests；
S5, controller 3 control electromagnetic lock core 11 and act, to control the on-off of lock valve 1.
Preferably, the step S4 includes the following steps:
S41: if the operation requests are turn-off request, controller 3 controls electromagnetic lock core 11 and stretches out, and lock valve 1 is to heat supply
Pipeline shuts off, end of operation；
If operation requests are to open request, S42 is entered step；
S42: operation requests are sent to remote server to controller 3 by module 4 by wireless communication；Remote server obtains
The corresponding user information of the controller 3, and the remaining sum numerical value of the user information is inquired and judged, if remaining sum numerical value is big
In 0, then S43 is entered step；If remaining sum numerical value is less than or equal to 0, S44 is entered step；
S43: remote server sends open signal to wireless communication module 4, and wireless communication module 4 is by the open signal
It is transmitted to controller 3, controller 3 controls electromagnetic lock core 11 and withdraws, and the stopping of lock valve 1 shuts off to heat supply pipeline, end of operation；
S44: remote server sends shutdown signal to wireless communication module 4, and wireless communication module 4 is by the shutdown signal
It is transmitted to controller 3, controller 3 controls electromagnetic lock core 11 and stretches out, and lock valve 1 shuts off to heat supply pipeline, end of operation, behaviour
It finishes.
Once judged by the operation requests that controller 3 sends mobile phone, if turn-off request, then controller 3 controls
Lock valve 1 is directly closed, and without carrying out secondary judgement, it is rapid to turn off response；If not opening request, controller 3 is by the behaviour
Request by wireless communication module 4 be sent to remote server and carry out secondary judgement, it is ensured that lock valve 1 is only in user balance number
Value is turned in the case where being greater than 0, is prevented user from stealing heat privately and is stolen heat, realizes the long-range control of lock valve 1, reduce whole in section
The calculating deviation of body user's total heat duties guarantees user's heating effect.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case where spirit, changes, modifications that embodiment is carried out, replacement and variant still fall within protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of locking system for heat supply pipeline, including the lock valve and locking for controlling water flow on-off in heat supply pipeline
Valve shell, the locking valve shell are arranged outside lock valve, which is characterized in that further include the control for controlling locking valve events
Device, the wireless communication module for controller to be connect with mobile phone wireless and the remote server for being stored with user balance information,
The lock valve is equipped with the controller and the wireless communication module, and the lock valve is electrically connected with the controller；The lock
Valve closing shell is equipped with the two dimensional code for the handset identity, and the two dimensional code is corresponding with the wireless communication module；It is described
Module is wirelessly connected by wireless communication for remote server and the controller.
2. a kind of locking system for heat supply pipeline as described in claim 1, which is characterized in that the lock valve includes electricity
Magnetic lock cylinder and the electromagnet that can be attracted electromagnetic lock core, are connected with spring, institute between the electromagnet and the electromagnetic lock core
It states electromagnetic lock core to be radially into pipeline across the preset through-hole of pipeline outer wall along pipeline, the suction that electromagnetic lock core passes through electromagnet
Elastic force effect with spring is moved along the radial direction of pipeline, is equipped with and the electromagnetic lock core matching ends in the pipeline
Lock structure, electromagnet are electrically connected with the controller.
3. a kind of locking system for heat supply pipeline as claimed in claim 2, which is characterized in that the locking in the pipeline
Structure include two inclined plates and a level board, the inclined plate be half elliptic plate structure, one of them inclined plate it is straight
Line end is connect with the forward end seal of the level board, and the camber line end of inclined plate and inner wall of the pipe are tightly connected, another inclined plate
Rectilinear end is connect with the back-end sealing of the level board, and the camber line end of another inclined plate and inner wall of the pipe are tightly connected, horizontal
The left and right ends of plate are tightly connected with tube wall, and described two inclined plates are an integral structure with a level board, the level board
It is equipped with the through-hole matched with the electromagnetic lock core end construction.
4. a kind of locking system for heat supply pipeline as claimed in claim 3, which is characterized in that the end of the electromagnetic lock core
Portion has taper.
5. a kind of locking system for heat supply pipeline as claimed in claim 4, which is characterized in that two inclined plates are mutual
It is arranged in parallel.
6. a kind of locking system for heat supply pipeline as described in claim 1, which is characterized in that the level board is equipped with
For detecting the flow sensor of the temperature sensor of water flow temperature and detection water flow in heat supply pipeline, the temperature is passed
Sensor is electrically connected with flow sensor with the controller.
7. a kind of controlling party for a kind of locking system for heat supply pipeline as claimed in any one of claims 1 to 6
Method, which comprises the steps of:
S1, user, to two dimensional code barcode scanning, obtain the communication permission of this locking system wireless communication module by mobile phone；
S2, user send the operation requests opened or closed to the wireless communication module by mobile phone；
The operation request signal is transmitted to controller by S3, the wireless communication module；
S4, controller judge the operation requests；
S5, controller control electromagnetic lock core movement, to control the on-off of lock valve.
8. control method as claimed in claim 7, which is characterized in that the step S4 includes the following steps:
S41: if the operation requests are turn-off request, controller controls electromagnetic lock core and stretches out, and lock valve carries out heat supply pipeline
Shut off, end of operation；
If operation requests are to open request, S42 is entered step；
S42: operation requests are sent to remote server to controller by module by wireless communication；Remote server obtains the control
The corresponding user information of device processed, and the remaining sum numerical value of the user information is inquired and judged, if remaining sum numerical value is greater than 0,
Enter step S43；If remaining sum numerical value is less than or equal to 0, S44 is entered step；
S43: remote server sends open signal to wireless communication module, and the open signal is transmitted to by wireless communication module
Controller, controller control electromagnetic lock core and withdraw, and lock valve stopping shuts off to heat supply pipeline, end of operation；
S44: remote server sends shutdown signal to wireless communication module, and the shutdown signal is transmitted to by wireless communication module
Controller, controller control electromagnetic lock core and stretch out, and lock valve shuts off to heat supply pipeline, end of operation, end of operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396926.XA CN110081223A (en) | 2019-05-13 | 2019-05-13 | A kind of locking system and its control method for heat supply pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396926.XA CN110081223A (en) | 2019-05-13 | 2019-05-13 | A kind of locking system and its control method for heat supply pipeline |
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| CN110081223A true CN110081223A (en) | 2019-08-02 |
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| CN201910396926.XA Pending CN110081223A (en) | 2019-05-13 | 2019-05-13 | A kind of locking system and its control method for heat supply pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522556A (en) * | 2019-08-30 | 2019-12-03 | 华中科技大学同济医学院附属同济医院 | A kind of controllable electromagnetism drain valve of forward type for treating glaucoma |
| CN110522556B (en) * | 2019-08-30 | 2021-07-13 | 华中科技大学同济医学院附属同济医院 | Front-mounted adjustable electromagnetic drainage valve for treating glaucoma |
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