CN219284556U - Protection architecture and differential pressure transmitter - Google Patents
Protection architecture and differential pressure transmitter Download PDFInfo
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- CN219284556U CN219284556U CN202320039807.0U CN202320039807U CN219284556U CN 219284556 U CN219284556 U CN 219284556U CN 202320039807 U CN202320039807 U CN 202320039807U CN 219284556 U CN219284556 U CN 219284556U
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- differential pressure
- pressure transmitter
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- transmitter body
- alarm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a protection structure and a differential pressure transmitter, and belongs to the technical field of differential pressure transmitters. The protective structure includes a measurement assembly and a protective assembly. The measuring assembly comprises a differential pressure transmitter body and an alarm part, the alarm part is arranged on the differential pressure transmitter body, the protection assembly comprises a heating part and a pressure relief part, the heating part is arranged on the differential pressure transmitter body, the pressure relief part is arranged on the heating part, the alarm part comprises an alarm and a blocking piece, the alarm is arranged on the differential pressure transmitter body, a pressure relief hole is formed in the bottom end of the differential pressure transmitter body, the blocking piece is connected in the pressure relief hole in a threaded manner, a sealing cushion block, a piston block and a spring are arranged in the differential pressure transmitter, high-pressure fluid can be divided, the high-pressure fluid is prevented from directly flowing into the differential pressure transmitter, the internal structure of the differential pressure transmitter is protected, and the service life of the differential pressure transmitter body is prolonged.
Description
Technical Field
The utility model relates to the field of differential pressure transmitters, in particular to a protection structure and a differential pressure transmitter.
Background
The differential pressure transmitter is a typical self-balancing detection instrument, which utilizes the working principle of negative feedback to overcome the influence of adverse factors such as element materials, processing technology and the like, and is used for preventing media in a pipeline from directly entering the transmitter, and a pressure sensing diaphragm is connected with the transmitter by a capillary tube filled with fluid. It is used to measure the liquid level, flow rate and pressure of liquid, gas or steam, and then it is converted into 4-20 mA DC signal output.
Through retrieval, chinese patent number is CN202222032385.2, a differential pressure transmitter with a protection mechanism is disclosed, the differential pressure transmitter comprises a differential pressure transmitter body, a connecting pipe is arranged at the top end of the differential pressure transmitter body, an instrument panel is fixedly arranged on the differential pressure transmitter body through the connecting pipe, two conveying pipes which respectively correspond to input and output are arranged at one end of the differential pressure transmitter body, and the conveying pipes are connected with the differential pressure transmitter body through a protection component; the protection assembly comprises a protection tube movably connected with the conveying tube, the other end of the protection tube is communicated with the differential pressure transmitter body, a spiral electric heating wire is arranged on the outer side of the protection tube, and a shell is arranged on the outer side of the electric heating wire. The defect of the prior art is overcome, the protection component is utilized to heat the fluid entering the differential pressure transmitter, the frozen fluid is prevented from entering the differential pressure transmitter, the differential pressure transmitter is protected, and meanwhile, the accuracy can be improved by compensating the temperature lost when the fluid flows by the heated fluid.
However, the above scheme still has defects, when the detected fluid pressure is too large, high-pressure fluid directly enters the differential pressure transmitter due to the fact that a protective mechanism is not arranged in the conveying pipe, the internal structure of the differential pressure transmitter is easy to damage, and the service life of the differential pressure transmitter is further reduced.
Disclosure of Invention
In order to make up for the defects, the utility model provides a protection structure and a differential pressure transmitter, which aim to solve the problem that when the detected fluid pressure is too large, high-pressure fluid directly enters the differential pressure transmitter because of no protection mechanism in a conveying pipe, and the internal structure of the differential pressure transmitter is easy to damage.
The utility model is realized in the following way:
in a first aspect, the present utility model provides a protective structure comprising a measurement assembly and a protective assembly.
The measuring assembly comprises a differential pressure transmitter body and an alarm part, and the alarm part is arranged on the differential pressure transmitter body;
the protection assembly comprises a heating part and a pressure relief part, wherein the heating part is arranged on the differential pressure transmitter body, and the pressure relief part is arranged on the heating part.
In one embodiment of the utility model, the alarm part comprises an alarm and a blocking piece, the alarm is arranged on the differential pressure transmitter body, a pressure relief hole is formed in the bottom end of the differential pressure transmitter body, and the blocking piece is connected in the pressure relief hole in a threaded manner.
In one embodiment of the utility model, the heating part comprises a shell, a protection tube, a heating wire and a protection layer, wherein the protection tube is arranged on the outer wall of the differential pressure transmitter body, a temperature sensor is arranged in the protection tube, the shell and the heating wire are both sleeved on the protection tube, the heating wire is arranged in the shell, and the protection layer is filled between the shell and the protection tube.
In one embodiment of the utility model, the heating part further comprises a fixing plate fixed on an outer wall of the housing.
In one embodiment of the utility model, the pressure relief part comprises a sealing sleeve, a conveying pipe and a baffle plate, wherein external threads are arranged on the outer wall of the protecting pipe, the sealing sleeve is in threaded connection with the external threads, the conveying pipe penetrates through the sealing sleeve, the conveying pipe is arranged in the protecting pipe in a sliding mode, the baffle plate is fixed on the outer wall of the sealing sleeve, and the baffle plate is arranged in the sealing sleeve in a sliding mode.
In one embodiment of the present utility model, the conveying pipe is provided with a circular through hole.
In one embodiment of the utility model, the heating part further comprises a sealing plug, which is arranged between the protection tube and the delivery tube.
In one embodiment of the utility model, the pressure release part further comprises an L-shaped sleeve, a sealing cushion block, a piston block, a spring and a retainer ring, wherein the L-shaped sleeve is fixed on the circular through hole, the sealing cushion block is arranged in the circular through hole in a sliding manner, the piston block is fixed on the upper surface of the sealing cushion block, the retainer ring is fixed on the inner wall of the L-shaped sleeve, the spring is fixed between the piston block and the retainer ring, a pressure sensor is arranged between the retainer ring and the spring, and the pressure sensor is electrically connected with the alarm.
In one embodiment of the utility model, the apertures inside the L-shaped sleeve are different in size, and the aperture of the end of the L-shaped sleeve far from the conveying pipe is smaller than the aperture of the end near the conveying pipe.
In a second aspect, an embodiment of the present utility model further provides a protection structure and a differential pressure transmitter, including the protection structure, where the differential pressure transmitter body is configured as a differential pressure transmitter.
The beneficial effects of the utility model are as follows: according to the protection structure obtained through the design, when the protection structure is used, the conveying pipe is inserted into the protection pipe, soft sealing is achieved through the sealing plug, then the sealing sleeve is screwed, the sealing sleeve is connected with the external threads, the two ends of the sealing sleeve are respectively abutted to the fixing plate and the baffle plate, the position of the conveying pipe is limited, when the differential pressure transmitter body is detected, the heating wire is started to preheat the fluid and enters the protection pipe, the temperature sensor monitors the temperature of the fluid, when the temperature of the fluid is lower than a preset value, the heating wire is started again to heat the fluid flowing in the fluid, no freezing exists in the fluid, meanwhile, the temperature of fluid flowing loss can be compensated through the change of the preset temperature value, the measurement accuracy of the differential pressure transmitter body is improved, when the pressure of the fluid is overlarge, the sealing cushion block is enabled to be moved upwards by the pressure in the conveying pipe, the piston block is driven to move in the L-shaped sleeve, the pressure is enabled to shrink by the spring, the pressure sensor senses the pressure, the alarm is enabled to send a signal to the alarm, the alarm is enabled to give out the temperature, the working staff is enabled to send out a buzzing when the pressure of the fluid exceeds the preset pressure, the differential pressure sensor is enabled to be in the differential pressure transmitter body, and the differential pressure transmitter is enabled to directly flow into the differential pressure transmitter body, and the differential pressure transmitter is prevented from being directly and the differential pressure transmitter is enabled to flow to be high, and the inside.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a protection structure according to an embodiment of the present utility model;
fig. 2 is a schematic cross-sectional view of a heating portion according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a protective tube according to an embodiment of the present utility model;
fig. 4 is a schematic cross-sectional perspective view of a pressure relief portion according to an embodiment of the present utility model.
In the figure: 100-measuring assembly; 110-a differential pressure transmitter body; 120-an alarm part; 122-alarm; 123-blocking member; 200-protecting components; 210-a heating section; 211-a housing; 212-protecting a tube; 213-heating wire; 214-a protective layer; 215-a fixed plate; 216-external threads; 217-sealing plug; 220-a pressure relief portion; 221-sealing sleeve; 222-a delivery tube; 223-baffle; 224-circular through holes; 225-L-shaped sleeve; 226-sealing cushion blocks; 227-piston blocks; 228-a spring; 229-retainer ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: the protective structure includes a measurement assembly 100 and a protective assembly 200.
The protection component 200 is arranged on the measurement component 100 and is used for protecting a differential pressure transmitter, the setting of the blocking piece 123 is convenient for discharging fluid, the setting of the heating wire 213 is convenient for heating frozen fluid, the setting of the fixing plate 215 is convenient for limiting the sealing sleeve 221, the setting of the sealing sleeve 221 is convenient for fixing the sealing sleeve 221 and the protection pipe 212 together, the setting of the circular through hole 224 is convenient for releasing the pressure in the conveying pipe 222, the setting of the sealing plug 217 seals the protection pipe 212 and the conveying pipe 222, the setting of the sealing cushion block 226, the piston block 227 and the spring 228 is convenient for releasing pressure in the conveying pipe 222 when the pressure in the conveying pipe 222 exceeds the threshold value of the differential pressure transmitter, the internal structure of the differential pressure transmitter body 110 is further protected, the change of the aperture of the L-shaped sleeve 225 is convenient for fixing the retainer ring 229, and the retainer ring 229 is prevented from being pushed out of the L-shaped sleeve 225 when the sealing cushion block 226 moves upwards under pressure.
Referring to fig. 1-2, a measurement assembly 100 includes a differential pressure transmitter body 110 and an alarm portion 120, the alarm portion 120 is disposed on the differential pressure transmitter body 110, the alarm portion 120 includes an alarm 122 and a blocking member 123, the alarm 122 is disposed on the differential pressure transmitter body 110, a pressure release hole is provided at the bottom end of the differential pressure transmitter body 110, and the blocking member 123 is screwed in the pressure release hole.
Referring to fig. 1-4, the protection assembly 200 includes a heating part 210 and a pressure relief part 220, the heating part 210 is disposed on the differential pressure transmitter body 110, the heating part 210 includes a housing 211, a protection tube 212, a heating wire 213 and a protection layer 214, the protection tube 212 is disposed on an outer wall of the differential pressure transmitter body 110, a temperature sensor is installed in the protection tube 212, the housing 211 and the heating wire 213 are both sleeved on the protection tube 212, the heating wire 213 is disposed in the housing 211, the protection layer 214 is filled between the housing 211 and the protection tube 212, the heating part 210 further includes a fixing plate 215, the fixing plate 215 is fixed on the outer wall of the housing 211, the heating part 210 further includes a sealing plug 217, the sealing plug 217 is disposed between the protection tube 212 and the delivery tube 222, the pressure relief part 220 is disposed on the heating part 210, the pressure relief part 220 includes a sealing sleeve 221, a delivery tube 222 and a baffle 223, the outer wall of the protection tube 212 is provided with an external thread 216, the sealing sleeve 221 is connected with the external thread 216 in a threaded manner, the conveying tube 222 penetrates through the sealing sleeve 221, the conveying tube 222 is arranged in the protection tube 212 in a sliding manner, the baffle 223 is fixed on the outer wall of the sealing sleeve 221, the baffle 223 is arranged in the sealing sleeve 221 in a sliding manner, the conveying tube 222 is provided with a circular through hole 224, the pressure relief part 220 further comprises an L-shaped sleeve 225, a sealing cushion block 226, a piston block 227, a spring 228 and a retainer ring 229, the L-shaped sleeve 225 is fixed on the circular through hole 224, the sealing cushion block 226 is arranged in the circular through hole 224 in a sliding manner, the piston block 227 is fixed on the upper surface of the sealing cushion block 226, the retainer ring 229 is fixed on the inner wall of the L-shaped sleeve 225, the spring 228 is fixed between the piston block 227 and the retainer ring 229, a pressure sensor is arranged between the retainer ring 229 and the spring 228, the pore sizes inside the L-shaped sleeve 225 are different, the end of the L-shaped sleeve 225 distal from the delivery tube 222 has a smaller aperture than the end proximal to the delivery tube 222.
The embodiment of the utility model further provides a protection structure, which comprises the measurement assembly and the protection assembly, and the differential pressure transmitter body 110 is configured as a differential pressure transmitter.
Specifically, this protection architecture and differential pressure transmitter's theory of operation: during the use, firstly, connect conveyer pipe 222 to protection pipe 212, utilize sealing plug 217 to realize soft seal, then twist seal tube 221 again, with seal tube 221 and external screw thread 216 connection, after the connection is accomplished, the both ends of seal tube 221 butt fixed plate 215 and baffle 223 respectively, the position of conveyer pipe 222 has been restricted, when differential pressure transmitter body 110 detects, at first, start the heating wire 213 and preheat, fluid gets into protection pipe 212, temperature sensor monitors the fluid temperature, when its temperature is less than the default value, start the heating wire 213 again and heat the fluid that flows in it, ensure that there is not icing in the fluid, simultaneously can also compensate the temperature of fluid flow loss through the change of default temperature value, the measurement accuracy of differential pressure transmitter body 110 is improved, seal cushion 226 receives the pressure in the conveyer pipe 222 and moves up, seal cushion 226 drives piston 227 and moves in L type sleeve 225, spring 228 shrink, the pressure in the conveyer pipe 222 obtains dispersing this moment, pressure sensor senses the pressure, and give the buzzer 122 with the signal transmission, differential pressure transmitter 122, the differential pressure transmitter 122 is exceeded the pressure sensor is provided with the pressure that the pressure of pressure sensor is used for the differential pressure transmitter body, the differential pressure transmitter body is high-pressure, and the differential pressure transmitter is avoided in the differential pressure transmitter body is provided with the pressure transmitter, and the differential pressure transmitter is used to be more than the inside the pressure transmitter is high, and the pressure can be used for protecting the pressure transmitter is guaranteed, and the pressure is used, and is used for the pressure, and is used for the pressure, and has high quality.
It should be noted that, specific model specifications of the differential pressure transmitter body 110, the alarm 122, the temperature sensor, the pressure sensor and the heating wire 213 need to be determined by selecting according to actual specifications of the device, etc., and a specific model selection calculation method adopts the prior art in the art, so that detailed descriptions thereof are omitted.
The power supply and its principles for differential pressure transmitter body 110, alarm 122, temperature sensor, pressure sensor and heater wire 213 will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The protection structure is characterized by comprising
The measuring assembly comprises a differential pressure transmitter body and an alarm part, and the alarm part is arranged on the differential pressure transmitter body;
the protection assembly comprises a heating part and a pressure relief part, wherein the heating part is arranged on the differential pressure transmitter body, and the pressure relief part is arranged on the heating part.
2. The protective structure of claim 1, wherein the alarm portion comprises an alarm and a blocking member, the alarm is disposed on the differential pressure transmitter body, a pressure relief hole is formed in the bottom end of the differential pressure transmitter body, and the blocking member is connected to the pressure relief hole in a threaded manner.
3. The protective structure according to claim 2, wherein the heating portion includes a housing, a protective tube, a heating wire and a protective layer, the protective tube is disposed on an outer wall of the differential pressure transmitter body, a temperature sensor is installed in the protective tube, the housing and the heating wire are both sleeved on the protective tube, the heating wire is disposed in the housing, and the protective layer is filled between the housing and the protective tube.
4. A protective structure according to claim 3, wherein the heating portion further comprises a fixing plate fixed to an outer wall of the housing.
5. The protective structure according to claim 4, wherein the pressure relief portion comprises a sealing sleeve, a delivery pipe and a baffle plate, external threads are arranged on the outer wall of the protective pipe, the sealing sleeve is in threaded connection with the external threads, the delivery pipe penetrates through the sealing sleeve, the delivery pipe is slidably arranged in the protective pipe, the baffle plate is fixed on the outer wall of the sealing sleeve, and the baffle plate is slidably arranged in the sealing sleeve.
6. The protective structure of claim 5, wherein said delivery tube is provided with a circular through hole.
7. The protective structure of claim 5 wherein said heating portion further comprises a sealing plug disposed between said protective tube and said delivery tube.
8. The protective structure according to claim 6, wherein the pressure release portion further comprises an L-shaped sleeve, a seal cushion block, a piston block, a spring and a retainer ring, the L-shaped sleeve is fixed on the circular through hole, the seal cushion block is slidably disposed in the circular through hole, the piston block is fixed on the upper surface of the seal cushion block, the retainer ring is fixed on the inner wall of the L-shaped sleeve, the spring is fixed between the piston block and the retainer ring, and a pressure sensor is disposed between the retainer ring and the spring.
9. The protective structure of claim 8 wherein the apertures within said L-shaped sleeve are of different sizes, the aperture at the end of said L-shaped sleeve distal from said delivery tube being smaller than the aperture at the end proximal to said delivery tube.
10. Differential pressure transmitter, characterized by comprising
The protective structure of any one of claims 1-9; the differential pressure transmitter body is configured as a differential pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320039807.0U CN219284556U (en) | 2023-01-08 | 2023-01-08 | Protection architecture and differential pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320039807.0U CN219284556U (en) | 2023-01-08 | 2023-01-08 | Protection architecture and differential pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284556U true CN219284556U (en) | 2023-06-30 |
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ID=86922177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320039807.0U Active CN219284556U (en) | 2023-01-08 | 2023-01-08 | Protection architecture and differential pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284556U (en) |
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2023
- 2023-01-08 CN CN202320039807.0U patent/CN219284556U/en active Active
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