CN204718729U - A kind of sewage pressure transmitter - Google Patents
A kind of sewage pressure transmitter Download PDFInfo
- Publication number
- CN204718729U CN204718729U CN201520388613.7U CN201520388613U CN204718729U CN 204718729 U CN204718729 U CN 204718729U CN 201520388613 U CN201520388613 U CN 201520388613U CN 204718729 U CN204718729 U CN 204718729U
- Authority
- CN
- China
- Prior art keywords
- pressure
- seat
- pulse buffer
- core body
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of sewage pressure transmitter, comprise water joint, jiont treatment seat, housing, circuit board, pressure unit core body, first pressure seat, first pulse buffer, second pressure seat and the second pulse buffer, described housing upper end connects water joint by jiont treatment seat, housing lower end connects the first pressure seat, first pressure seat is provided with pressure unit core body, pressure unit core body upper end is connected with circuit board by signal connecting line, circuit board outside is provided with protective cover, protective cover is provided with cable-through hole, waterproof and sealing material is filled with in the chamber of protective cover, pressure unit core body lower end connects the first pulse buffer, first pulse buffer connects the second pulse buffer, second pulse buffer is arranged on the second pressure seat, red copper pad is provided with between first pressure seat and the second pressure seat.Sewage pressure transmitter of the present utility model, can prevent from being flowed into pressure unit internal damage circuit board by side sewage, adopt level 2 buffering structure, steady pressure and flow effectively, avoids inner diaphragm impaired because of compression shock.
Description
Technical field
The utility model relates to flowrate measuring tool technical field, particularly relates to a kind of sewage pressure transmitter.
Background technology
Pressure unit refers to export the pressure transducer into standard signal, is a kind ofly to accept the instrument that pressure variations is converted to standard output signals in proportion.The physical pressure parameter such as gas, liquid that side pressing member sensor can be experienced by it changes the electric signal of standard into, carries out measuring, indicating and procedure regulation to supply the secondary instruments such as indicator alarm, registering instrument, regulator.Pressure unit is a kind of sensor the most conventional in industrial practice, it is widely used in various industrial automatic control environment, relates to numerous industries such as water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry, oil well, electric power, boats and ships, lathe, pipeline.Sewage pressure transmitter, directly pressure unit is connected with sewer, allow sewage directly by sewage pressure transmitter, because corrosion in water is strong, if it is inner to be flowed into pressure unit by side sewage, easily cause circuit board to be damaged, affect the precision of pressure unit, thus have impact on the pressure test to sewage.And existing sewage pressure transmitter is when pressure is excessive, easily occurs that internal sensor diaphragm is impaired because of compression shock, affect measuring accuracy.
Utility model content
The purpose of this utility model there is provided a kind of sewage pressure transmitter; energy protection circuit plate; prevent circuit board damage; adopt level 2 buffering structure; under pressure unit is impacted at instantaneous pressure, measuring the working environment of fluid flow instability, can steady pressure and flow effectively, ensure that the temperature of pressure suffered by transmitter core body and flow is within tolerance range; avoid inner diaphragm impaired because of compression shock, improve the stability of pressure unit and extend its serviceable life.
The technical solution adopted in the utility model is as follows:
A kind of sewage pressure transmitter, comprise water joint, jiont treatment seat, housing, circuit board, pressure unit core body, first pressure seat, first pulse buffer, second pressure seat and the second pulse buffer, described housing upper end connects water joint by jiont treatment seat, housing lower end connects the first pressure seat, first pressure seat is provided with pressure unit core body, described pressure unit core body upper end is connected with circuit board by signal connecting line, described circuit board outside is provided with protective cover, protective cover is provided with cable-through hole, waterproof and sealing material is filled with in the chamber of described protective cover, circuit board surrounds by waterproof and sealing material, pressure unit core body lower end connects the first pulse buffer, first pulse buffer connects the second pulse buffer, second pulse buffer is arranged on the second pressure seat, red copper pad is provided with between described first pressure seat and the second pressure seat.
Described housing upper end and jiont treatment seat are welded to connect, and jiont treatment seat and water joint are threaded connection.
Pressure ring is provided with above described pressure unit core body.
Described waterproof and sealing material is polyurethane material.
Compared with the prior art, the beneficial effects of the utility model are as follows:
Sewage pressure transmitter of the present utility model, by at circuit board outer setting protective cover, in the chamber of protective cover, fill waterproof and sealing material, prevent from being flowed into pressure unit internal damage circuit board by side sewage, can protection circuit plate, ensure the normal work that signal transmits; Described waterproof and sealing material is polyurethane material, and polyurethane material has the advantage such as seamless, high efficiency insulation, waterproof, protection against the tide; Simultaneously, described pressure unit core body lower end connects the first pulse buffer, first pulse buffer connects the second pulse buffer, second pulse buffer is arranged on the second pressure seat, adopt level 2 buffering structure, make pressure unit under the working environment of instantaneous pressure impact, measurement fluid flow instability, can steady pressure and flow effectively, pressure suffered by guarantee pressure unit core body and the temperature of flow are within tolerance range, avoid inner diaphragm impaired because of compression shock, improve the stability of pressure unit and extend its serviceable life; Be provided with pressure ring above described pressure unit core body, pressure ring can make pressure unit core body position fix, and strengthens its vibration resistance; Be provided with red copper pad between described first pressure seat and the second pressure seat, improve inside transformer sealing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
See accompanying drawing, a kind of sewage pressure transmitter, comprise water joint 1, jiont treatment seat 2, housing 3, circuit board 4, pressure unit core body 5, first pressure seat 6, first pulse buffer 7, second pressure seat 8 and the second pulse buffer 9, described housing 3 upper end connects water joint 1 by jiont treatment seat 2, housing 3 lower end connects the first pressure seat 6, first pressure seat 6 is provided with pressure unit core body 5, described pressure unit core body 5 upper end is connected with circuit board 4 by signal connecting line 10, described circuit board 4 outside is provided with protective cover 11, protective cover 11 is provided with cable-through hole 12, waterproof and sealing material 13 is filled with in the chamber of described protective cover 11, circuit board 4 surrounds by waterproof and sealing material 13, described waterproof and sealing material 13 is polyurethane material, pressure unit core body 5 lower end connects the first pulse buffer 7, first pulse buffer 7 connects the second pulse buffer 9, second pulse buffer 9 is arranged on the second pressure seat 8, red copper pad 14 is provided with between described first pressure seat 6 and the second pressure seat 8, described housing 3 upper end and jiont treatment seat 2 are welded to connect, jiont treatment seat 2 and water joint 1 are threaded connection, pressure ring 15 is also provided with above described pressure unit core body 5.Sewage pressure transmitter of the present utility model, by at circuit board 4 outer setting protective cover 11, in the chamber of protective cover 11, fill waterproof and sealing material 13, prevent from being flowed into pressure unit internal damage circuit board by side sewage, can protection circuit plate 4, ensure the normal work that signal transmits, described waterproof and sealing material 13 is polyurethane material, and polyurethane material has the advantage such as seamless, high efficiency insulation, waterproof, protection against the tide, simultaneously, described pressure unit core body 5 lower end connects the first pulse buffer 7, first pulse buffer 7 connects the second pulse buffer 9, second pulse buffer is arranged on the second pressure seat, adopt level 2 buffering structure, pressure unit is impacted at instantaneous pressure, under measuring the working environment of fluid flow instability, can steady pressure and flow effectively, pressure suffered by guarantee pressure unit core body and the temperature of flow are within tolerance range, avoid inner diaphragm impaired because of compression shock, improve the stability of pressure unit and extend its serviceable life, be provided with pressure ring 15 above described pressure unit core body 5, pressure ring 15 can make pressure unit core body position fix, and strengthens its vibration resistance, be provided with red copper pad 14 between described first pressure seat and the second pressure seat, improve inside transformer sealing.
Claims (4)
1. a sewage pressure transmitter, it is characterized in that: comprise water joint, jiont treatment seat, housing, circuit board, pressure unit core body, first pressure seat, first pulse buffer, second pressure seat and the second pulse buffer, described housing upper end connects water joint by jiont treatment seat, housing lower end connects the first pressure seat, first pressure seat is provided with pressure unit core body, described pressure unit core body upper end is connected with circuit board by signal connecting line, described circuit board outside is provided with protective cover, protective cover is provided with cable-through hole, waterproof and sealing material is filled with in the chamber of described protective cover, circuit board surrounds by waterproof and sealing material, pressure unit core body lower end connects the first pulse buffer, first pulse buffer connects the second pulse buffer, second pulse buffer is arranged on the second pressure seat, red copper pad is provided with between described first pressure seat and the second pressure seat.
2. sewage pressure transmitter according to claim 1, is characterized in that: described housing upper end and jiont treatment seat are welded to connect, and jiont treatment seat and water joint are threaded connection.
3. sewage pressure transmitter according to claim 1, is characterized in that: be provided with pressure ring above described pressure unit core body.
4. sewage pressure transmitter according to claim 1, is characterized in that: described waterproof and sealing material is polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388613.7U CN204718729U (en) | 2015-06-05 | 2015-06-05 | A kind of sewage pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388613.7U CN204718729U (en) | 2015-06-05 | 2015-06-05 | A kind of sewage pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204718729U true CN204718729U (en) | 2015-10-21 |
Family
ID=54317720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520388613.7U Expired - Fee Related CN204718729U (en) | 2015-06-05 | 2015-06-05 | A kind of sewage pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204718729U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052953A (en) * | 2016-08-15 | 2016-10-26 | 西安森瑟斯传感器有限公司 | Shock-resistant ice-blockage resistant pressure transmitter |
| CN106153245A (en) * | 2016-08-15 | 2016-11-23 | 西安森瑟斯传感器有限公司 | Water pump special pressure transmitter |
| CN108627296A (en) * | 2017-03-20 | 2018-10-09 | 上海克凯电子科技发展有限公司 | A kind of novel no cavity pressure transmitter |
-
2015
- 2015-06-05 CN CN201520388613.7U patent/CN204718729U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052953A (en) * | 2016-08-15 | 2016-10-26 | 西安森瑟斯传感器有限公司 | Shock-resistant ice-blockage resistant pressure transmitter |
| CN106153245A (en) * | 2016-08-15 | 2016-11-23 | 西安森瑟斯传感器有限公司 | Water pump special pressure transmitter |
| CN108627296A (en) * | 2017-03-20 | 2018-10-09 | 上海克凯电子科技发展有限公司 | A kind of novel no cavity pressure transmitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151021 Termination date: 20180605 |